Time of discovery of asteroids which passed within 1 lunar distance from Earth in 2022
After closest approach: 71 (56.3%)< 24 hours before: 18 (14.3%)up to 7 days before: 36 (28.6%)> one week before: 1 (0.8%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 71 (56.3%)
  •   < 24 hours before: 18 (14.3%)
  •   up to 7 days before: 36 (28.6%)
  •   > one week before: 1 (0.8%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)
Counts of confirmed asteroids which were discovered on their 2022 close approach, by discoverer
G96 Mt. Lemmon Survey: 48 (38.4%)703 Catalina Sky Survey: 21 (16.8%)F52 Pan-STARRS 2, Haleakala: 16 (12.8%)T08 ATLAS-MLO, Mauna Loa: 9 (7.2%)F51 Pan-STARRS 1, Haleakala: 6 (4.8%)K88 GINOP-KHK, Piszkesteto: 7 (5.6%)T05 ATLAS-HKO, Haleakala: 6 (4.8%)381 Tokyo-Kiso: 3 (2.4%)V00 Kitt Peak-Bok: 2 (1.6%)W94 MAP, San Pedro de Atacama: 2 (1.6%)I41 ZTF, Palomar Mountain: 1 (0.8%)M22 ATLAS South Africa, Sutherland: 1 (0.8%)K19 PASTIS Observatory, Banon: 1 (0.8%)W68 ATLAS Chile, Rio Hurtado: 1 (0.8%)Y00 SONEAR Observatory, Oliveira: 1 (0.8%)
  •   G96 Mt. Lemmon Survey: 48 (38.4%)
  •   703 Catalina Sky Survey: 21 (16.8%)
  •   F52 Pan-STARRS 2, Haleakala: 16 (12.8%)
  •   T08 ATLAS-MLO, Mauna Loa: 9 (7.2%)
  •   F51 Pan-STARRS 1, Haleakala: 6 (4.8%)
  •   K88 GINOP-KHK, Piszkesteto: 7 (5.6%)
  •   T05 ATLAS-HKO, Haleakala: 6 (4.8%)
  •   381 Tokyo-Kiso: 3 (2.4%)
  •   V00 Kitt Peak-Bok: 2 (1.6%)
  •   W94 MAP, San Pedro de Atacama: 2 (1.6%)
  •   I41 ZTF, Palomar Mountain: 1 (0.8%)
  •   M22 ATLAS South Africa, Sutherland: 1 (0.8%)
  •   K19 PASTIS Observatory, Banon: 1 (0.8%)
  •   W68 ATLAS Chile, Rio Hurtado: 1 (0.8%)
  •   Y00 SONEAR Observatory, Oliveira: 1 (0.8%)

Below is the list of asteroids that have come close to Earth in 2022.

Timeline of known close approaches less than one lunar distance from Earth

A list of known near-Earth asteroid close approaches less than 1 lunar distance (0.0025696 AU (384,410 km; 238,860 mi)) from Earth in 2022.[1] During 2022 about 124 asteroids passed within 1 LD of Earth. As most asteroids passing within a lunar distance are less than 40 meters in diameter, they generally are not detected until they are within several million km of Earth.

For reference, the radius of Earth is about 0.0000426 AU (6,370 km; 3,960 mi) or 0.0166 lunar distances. Geosynchronous satellites have an orbit with semi-major axis length of 0.000282 AU (42,200 km; 26,200 mi) or 0.110 lunar distances.

The first asteroid flyby within 1 LD of Earth in 2022 was asteroid 2021 YK (10–20 meters in diameter), which was observed on 27 December 2021 04:40 UT (when it was about 3.8 million km from Earth) and passed 0.49 LD (190 thousand km) from Earth on 2 January 2022. The largest asteroid to pass within 1 LD of Earth in 2022 was 2022 TM2 with an estimated diameter of around 39 meters for an absolute magnitude of 25.2. The fastest asteroid to pass within 1 LD of Earth in 2022 was 2022 YW6 that passed Earth with a velocity with respect to Earth of 29.8 km/s (67,000 mph).[2][note 1]

Two asteroids, 2022 EB5 and 2022 WJ1, are noteworthy in that both were detected before impacting Earth. 2022 EB5 and 2022 WJ1 are the 5th and 6th successfully predicted impacts in history, respectively. The latter also holds the record for the smallest asteroid discovered while in space, with an estimated diameter less than 1 metre (3.3 ft) across.[3] Every year, dozens of asteroids impact Earth with enough force to be detected by infrasound sensors designed to detect detonation of nuclear devices, but the vast majority of impacts are unpredicted and occur without warning. Fortunately, most occur over uninhabited areas.[4]

  Rows highlighted red indicate objects which were not discovered until after closest approach

  Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach

  Rows highlighted green indicate objects discovered more than one week before closest approach

  Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach

  Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)

Date of
closest
approach 		Discovery[note 2] Object Nominal geocentric distance[note 3] Approx.
size (m) 		(H)
(abs. mag) 		Closer
approach
to Moon
[note 4]
(AU) (Lunar
distance)
2022-01-02[5] 2021-12-27
G96 Mt. Lemmon Survey[6]		 2021 YK 0.00127 AU (190,000 km; 118,000 mi) 0.49 8.7–20 27.4 ✓
2022-01-02[7] 2022-01-05
G96 Mt. Lemmon Survey[8]		 2022 AP1 0.00121 AU (181,000 km; 112,000 mi) 0.47 6.0–13 28.2 —
2022-01-03[9] 2022-01-05
G96 Mt. Lemmon Survey[10]		 2022 AU 0.00213 AU (319,000 km; 198,000 mi) 0.83 4.1–9.1 29.1 —
2022-01-03[11] 2022-01-05
G96 Mt. Lemmon Survey[12]		 2022 AO1 0.00232 AU (347,000 km; 216,000 mi) 0.90 3.6–8.0 29.4 —
2022-01-05[13] 2022-01-06
G96 Mt. Lemmon Survey[14]		 2022 AV13 0.00073 AU (109,000 km; 68,000 mi) 0.28 1.2–2.6 31.8 ✓
2022-01-06[15] 2022-01-07
F52 Pan-STARRS 2, Haleakala[16]		 2022 AY4 0.00202 AU (302,000 km; 188,000 mi) 0.79 3.1–6.9 29.7 ✓
2022-01-10[17] 2022-01-11
703 Catalina Sky Survey[18]		 2022 AY5 0.00068 AU (102,000 km; 63,000 mi) 0.27 3.9–8.6 29.2 —
2022-01-10[19] 2022-01-10
T08 ATLAS-MLO, Mauna Loa[20]		 2022 AC7 0.00103 AU (154,000 km; 96,000 mi) 0.40 2.5–5.5 30.2 —
2022-01-11[21] 2022-01-09
G96 Mt. Lemmon Survey[22]		 2022 AC4 0.00062 AU (93,000 km; 58,000 mi) 0.24 4.2–9.5 29.0 —
2022-01-23[23] 2022-01-23
K88 GINOP-KHK, Piszkesteto[24]		 2022 BN 0.00062 AU (93,000 km; 58,000 mi) 0.24 5.6–12 28.4 —
2022-01-24[25] 2022-01-25
703 Catalina Sky Survey[26]		 2022 BT 0.00068 AU (102,000 km; 63,000 mi) 0.26 3.1–6.9 29.7 —
2022-01-25[27] 2022-01-26
G96 Mt. Lemmon Survey[28]		 2022 BA7 0.00066 AU (99,000 km; 61,000 mi) 0.26 1.8–4.0 30.8 —
2022-01-27[29] 2022-01-26
G96 Mt. Lemmon Survey[30]		 2022 BD1 0.00124 AU (186,000 km; 115,000 mi) 0.48 3.8–8.4 29.2 —
2022-01-27[31] 2022-01-28
703 Catalina Sky Survey[32]		 2022 BH3 0.00211 AU (316,000 km; 196,000 mi) 0.82 15–34 26.2 ✓
2022-01-28[33] 2022-01-27
G96 Mt. Lemmon Survey[34]		 2022 BN2 0.00188 AU (281,000 km; 175,000 mi) 0.73 3.0–6.8 29.7 —
2022-02-01[35] 2022-02-02
T05 ATLAS-HKO, Haleakala[36]		 2022 CE 0.00140 AU (209,000 km; 130,000 mi) 0.55 6.8–15 28.0 —
2022-02-02[37] 2022-02-02
T05 ATLAS-HKO, Haleakala[38]		 2022 CG 0.00231 AU (346,000 km; 215,000 mi) 0.90 15–34 26.2 —
2022-02-02[39] 2022-02-05
G96 Mt. Lemmon Survey[40]		 2022 CY1 0.00183 AU (274,000 km; 170,000 mi) 0.71 6.4–14 28.1 ✓
2022-02-05[41] 2022-02-08
703 Catalina Sky Survey[42]		 2022 CU4 0.00220 AU (329,000 km; 205,000 mi) 0.86 3.7–8.3 29.3 —
2022-02-05[43] 2022-02-06
G96 Mt. Lemmon Survey[44]		 2022 CB3 0.00056 AU (84,000 km; 52,000 mi) 0.22 2.1–4.7 30.5 —
2022-02-08[45] 2022-02-06
V00 Kitt Peak-Bok[46]		 2022 CD3 0.00192 AU (287,000 km; 178,000 mi) 0.75 5.1–11 28.6 —
2022-02-10[47] 2022-02-09
G96 Mt. Lemmon Survey[48]		 2022 CJ5 0.00021 AU (31,000 km; 20,000 mi) 0.08 2.3–5.2 30.3 —
2022-02-12[49] 2022-02-13
703 Catalina Sky Survey[50]		 2022 CG7 0.00034 AU (51,000 km; 32,000 mi) 0.13 5.1–11 28.6 —
2022-02-13[51] 2022-02-14
703 Catalina Sky Survey[52]		 2022 CL7 0.00056 AU (84,000 km; 52,000 mi) 0.22 3.2–7.1 29.6 —
2022-02-14[53] 2022-02-13
G96 Mt. Lemmon Survey[54]		 2022 CF7 0.00213 AU (319,000 km; 198,000 mi) 0.83 6.5–15 28.0 —
2022-02-15[55] 2022-02-10
W94 MAP, San Pedro de Atacama[56]		 2022 CO6 0.00150 AU (224,000 km; 139,000 mi) 0.58 20–46 25.6 ✓
2022-02-24[57] 2022-02-26
G96 Mt. Lemmon Survey[58]		 2022 DY1 0.00149 AU (223,000 km; 139,000 mi) 0.58 6.8–15 28.0 —
2022-02-27[59] 2022-02-27
T08 ATLAS-MLO, Mauna Loa[60]		 2022 DO3 0.00088 AU (132,000 km; 82,000 mi) 0.34 11–24 26.9 —
2022-03-02[61] 2022-02-28
F52 Pan-STARRS 2, Haleakala[62]		 2022 DM4 0.00174 AU (260,000 km; 162,000 mi) 0.68 3.8–8.4 29.2 ✓
2022-03-02[63] 2022-03-02
381 Tokyo-Kiso[64]		 2022 ET 0.00182 AU (272,000 km; 169,000 mi) 0.71 2.4–5.5 30.2 —
2022-03-03[65] 2022-03-02
703 Catalina Sky Survey[66]		 2022 EQ 0.00097 AU (145,000 km; 90,000 mi) 0.38 3.1–6.8 29.7 —
2022-03-04[67] 2022-03-02
G96 Mt. Lemmon Survey[68]		 2022 EF1 0.00188 AU (281,000 km; 175,000 mi) 0.73 4.3–9.7 28.9 ✓
2022-03-08[69] 2022-03-10
G96 Mt. Lemmon Survey[70]		 2022 EE5 0.00068 AU (102,000 km; 63,000 mi) 0.27 2.6–5.7 30.1 —
2022-03-09[71] 2022-03-08
F52 Pan-STARRS 2, Haleakala[72]		 2022 EV3 0.00053 AU (79,000 km; 49,000 mi) 0.21 2.9–6.4 29.8 —
2022-03-11[73][74] 2022-03-11
K88 GINOP-KHK, Piszkesteto[75]		 2022 EB5 impact impact 1.3–3.0 31.4 —
2022-03-13[76] 2022-03-07
V00 Kitt Peak-Bok[77]		 2022 ES3 0.00222 AU (332,000 km; 206,000 mi) 0.87 9.7–22 27.2 ✓
2022-03-15[78] 2022-03-16
703 Catalina Sky Survey[79]		 2022 FA 0.00126 AU (188,000 km; 117,000 mi) 0.49 10–23 27.1 —
2022-03-24[80] 2022-03-27
G96 Mt. Lemmon Survey[81]		 2022 FZ3 0.00204 AU (305,000 km; 190,000 mi) 0.80 4.5–10 28.9 —
2022-03-25[82] 2022-03-24
K88 GINOP-KHK, Piszkesteto[83]		 2022 FD1 0.000099 AU (14,800 km; 9,200 mi) 0.04 1.6–3.7 31.1 —
2022-03-26[84] 2022-03-24
G96 Mt. Lemmon Survey[85]		 2022 FA1 0.00176 AU (263,000 km; 164,000 mi) 0.68 3.7–8.4 29.3 —
2022-03-28[86] 2022-03-26
703 Catalina Sky Survey[87]		 2022 FB2 0.00100 AU (150,000 km; 93,000 mi) 0.39 12–26 26.8 —
2022-03-30[88] 2022-04-02
G96 Mt. Lemmon Survey[89]		 2022 GX2 0.00098 AU (147,000 km; 91,000 mi) 0.38 3.6–8.1 29.3 —
2022-03-30[90] 2022-04-01
G96 Mt. Lemmon Survey[91]		 2022 GB 0.00189 AU (283,000 km; 176,000 mi) 0.74 3.5–7.8 29.4 —
2022-03-30[92] 2022-04-03
F52 Pan-STARRS 2, Haleakala[93]		 2022 GB2 0.00148 AU (221,000 km; 138,000 mi) 0.58 4.4–9.8 28.9 —
2022-04-01[94] 2022-04-01
T08 ATLAS-MLO, Mauna Loa[95]		 2022 GC 0.00035 AU (52,000 km; 33,000 mi) 0.14 4.4–9.4 29.0 —
2022-04-01[96] 2022-04-02
703 Catalina Sky Survey[97]		 2022 GQ 0.00036 AU (54,000 km; 33,000 mi) 0.14 2.2–4.9 30.4 —
2022-04-06[98] 2022-04-04
G96 Mt. Lemmon Survey[99]		 2022 GN1 0.00084 AU (126,000 km; 78,000 mi) 0.33 7.3–16 27.8 —
2022-04-06[100] 2022-04-05
G96 Mt. Lemmon Survey[101]		 2022 GZ1 0.00160 AU (239,000 km; 149,000 mi) 0.62 4.4–9.9 28.9 —
2022-04-07[102] 2022-04-04
G96 Mt. Lemmon Survey[103]		 2022 GQ1 0.00149 AU (223,000 km; 139,000 mi) 0.58 6.5–14 28.1 —
2022-04-08[104] 2022-04-08
703 Catalina Sky Survey[105]		 2022 GQ5 0.00013 AU (19,000 km; 12,000 mi) 0.05 1.2–2.7 31.7 —
2022-04-09[106] 2022-04-08
703 Catalina Sky Survey[107]		 2022 GF3 0.00151 AU (226,000 km; 140,000 mi) 0.59 7.0–16 27.9 —
2022-04-21[108] 2022-04-22
K88 GINOP-KHK, Piszkesteto[109]		 2022 HM 0.00164 AU (245,000 km; 152,000 mi) 0.64 8.3–19 27.5 —
2022-04-26[110] 2022-04-24
G96 Mt. Lemmon Survey[111]		 2022 HB1 0.00134 AU (200,000 km; 125,000 mi) 0.52 9.3–21 27.3 —
2022-05-05[112] 2022-05-06
G96 Mt. Lemmon Survey[113]		 2022 JV 0.00213 AU (319,000 km; 198,000 mi) 0.83 3.2–7.2 29.6 ✓
2022-05-06[114] 2022-05-06
G96 Mt. Lemmon Survey[115]		 2022 JM2 0.00103 AU (154,000 km; 96,000 mi) 0.40 7.2–16 27.8 —
2022-05-09[116] 2022-05-03
G96 Mt. Lemmon Survey[117]		 2022 JM 0.00253 AU (378,000 km; 235,000 mi) 0.99 4.7–11 28.8 —
2022-05-10[118] 2022-05-09
T08 ATLAS-MLO, Mauna Loa[119]		 2022 JO1 0.00046 AU (69,000 km; 43,000 mi) 0.18 9.5–21 27.2 —
2022-05-22[120] 2022-05-23
T05 ATLAS-HKO, Haleakala[121]		 2022 KG1 0.00040 AU (60,000 km; 37,000 mi) 0.16 4.6–10 28.8 —
2022-05-25[122] 2022-05-25
703 Catalina Sky Survey[123]		 2022 KP6 0.00012 AU (18,000 km; 11,000 mi) 0.05 3.6–8.0 29.4 —
2022-05-30[124] 2022-05-26
F52 Pan-STARRS 2, Haleakala[125]		 2022 KO3 0.00195 AU (292,000 km; 181,000 mi) 0.76 6.6–15 28.0 —
2022-05-30[126] 2022-05-30
703 Catalina Sky Survey[127]		 2022 KQ5 0.00027 AU (40,000 km; 25,000 mi) 0.11 3.9–8.8 29.2 —
2022-06-08[128] 2022-06-08
T08 ATLAS-MLO, Mauna Loa[129]		 2022 LU2 0.00111 AU (166,000 km; 103,000 mi) 0.43 7.2–16 27.8 —
2022-06-28[130] 2022-06-21
F52 Pan-STARRS 2, Haleakala[131]		 2022 MN1 0.00239 AU (358,000 km; 222,000 mi) 0.93 9.3–21 27.3 ✓
2022-07-01[132] 2022-06-30
F52 Pan-STARRS 2, Haleakala[133]		 2022 MJ3 0.00101 AU (151,000 km; 94,000 mi) 0.39 3.3–7.3 29.6 —
2022-07-02[134] 2022-07-02
I41 Palomar Mountain--ZTF[135]		 2022 NK 0.00212 AU (317,000 km; 197,000 mi) 0.83 9.3–21 27.3 —
2022-07-06[136] 2022-07-04
F52 Pan-STARRS 2, Haleakala[137]		 2022 NE 0.00091 AU (136,000 km; 85,000 mi) 0.35 4.9–11 28.6 —
2022-07-07[138] 2022-07-04
F52 Pan-STARRS 2, Haleakala[139]		 2022 NF 0.00059 AU (88,000 km; 55,000 mi) 0.23 5.4–12 28.5 —
2022-07-10[140] 2022-07-06
703 Catalina Sky Survey[141]		 2022 NR 0.00257 AU (384,000 km; 239,000 mi) 1.00 18–40 25.9 ✓
2022-07-15[142] 2022-07-26
F52 Pan-STARRS 2, Haleakala[143]		 2022 OR1 0.00232 AU (347,000 km; 216,000 mi) 0.90 6.9–15 27.9 ✓
2022-08-08[144] 2022-08-10
F52 Pan-STARRS 2, Haleakala[145]		 2022 PW1 0.00163 AU (244,000 km; 152,000 mi) 0.64 7.6–17 27.7 —
2022-08-11[146] 2022-08-18
F51 Pan-STARRS 1, Haleakala[147]		 2022 QN4 0.00109 AU (163,000 km; 101,000 mi) 0.43 12–27 26.7 —
2022-08-16[148] 2022-08-16
T08 ATLAS-MLO, Mauna Loa[149]		 2022 QA 0.00200 AU (299,000 km; 186,000 mi) 0.78 11–24 26.9 —
2022-08-20[150] 2022-08-21
M22 ATLAS South Africa, Sutherland[151]		 2022 QO2 0.00137 AU (205,000 km; 127,000 mi) 0.53 7.8–17 27.7 —
2022-08-20[152] 2022-08-21
T08 ATLAS-MLO, Mauna Loa[153]		 2022 QW1 0.00137 AU (205,000 km; 127,000 mi) 0.53 10–23 27.1 —
2022-08-20[154] 2022-08-21
T05 ATLAS-HKO, Haleakala[155]		 2022 QE1 0.00124 AU (186,000 km; 115,000 mi) 0.48 5.7–13 28.3 —
2022-08-31[156] 2022-09-01
W68 ATLAS Chile, Rio Hurtado[157]		 2022 RL 0.00094 AU (141,000 km; 87,000 mi) 0.37 4.8–11 28.7 —
2022-09-01[158] 2022-09-01
F52 Pan-STARRS 2, Haleakala[159]		 2022 RT1 0.00022 AU (33,000 km; 20,000 mi) 0.09 1.4–3.0 31.5 —
2022-09-03[160] 2022-09-04
T08 ATLAS-MLO, Mauna Loa[161]		 2022 RB2 0.00177 AU (265,000 km; 165,000 mi) 0.69 8.5–19 27.5 —
2022-09-17[162] 2022-09-18
F52 Pan-STARRS 2, Haleakala[163]		 2022 SJ3 0.00093 AU (139,000 km; 86,000 mi) 0.36 2.1–4.6 30.5 —
2022-09-17[164] 2022-09-18
F51 Pan-STARRS 1, Haleakala[165]		 2022 SX55 0.00037 AU (55,000 km; 34,000 mi) 0.14 2.4–5.4 30.2 —
2022-09-19[166] 2022-09-20
Y00 SONEAR Observatory, Oliveira[167]		 2022 SK4 0.00010 AU (15,000 km; 9,300 mi) 0.04 2.1–4.6 30.4 —
2022-09-23[168] 2022-09-24
T05 ATLAS-HKO, Haleakala[169]		 2022 SD9 0.00165 AU (247,000 km; 153,000 mi) 0.64 5.6–12 28.4 —
2022-09-24[170] 2022-09-26
G96 Mt. Lemmon Survey[171]		 2022 SF19 0.00113 AU (169,000 km; 105,000 mi) 0.44 3.7–8.2 29.3 —
2022-10-01[172] 2022-10-03
703 Catalina Sky Survey[173]		 2022 TL 0.00253 AU (378,000 km; 235,000 mi) 0.98 6.9–15 27.9 —
2022-10-06[174] 2022-10-01
F51 Pan-STARRS 1, Haleakala[175]		 2022 TD 0.00249 AU (372,000 km; 231,000 mi) 0.97 7.4–17 27.8 —
2022-10-12[176] 2022-10-14
F52 Pan-STARRS 2, Haleakala[177]		 2022 TY3 0.00112 AU (168,000 km; 104,000 mi) 0.43 12–27 26.7 —
2022-10-13[178] 2022-10-15
K19 PASTIS Observatory, Banon[179]		 2022 TW2 0.00180 AU (269,000 km; 167,000 mi) 0.70 5.2–12 28.6 —
2022-10-13[180] 2022-10-14
F52 Pan-STARRS 2, Haleakala[181]		 2022 TQ2 0.00113 AU (169,000 km; 105,000 mi) 0.44 11–24 27.0 —
2022-10-15[182] 2022-10-13
G96 Mt. Lemmon Survey[183]		 2022 TM2 0.00141 AU (211,000 km; 131,000 mi) 0.55 24–53 25.2 —
2022-10-16[184] 2022-10-16
T05 ATLAS-HKO, Haleakala[185]		 2022 UG3 0.00043 AU (64,000 km; 40,000 mi) 0.17 3.6–8.1 29.3 —
2022-10-17[186] 2022-10-20
G96 Mt. Lemmon Survey[187]		 2022 UA5 0.00112 AU (168,000 km; 104,000 mi) 0.44 2.7–6.1 29.9 —
2022-10-20[188] 2022-10-20
T08 ATLAS-MLO, Mauna Loa[189]		 2022 UR4 0.00011 AU (16,000 km; 10,000 mi) 0.04 4.4–9.9 28.9 —
2022-10-22[190] 2022-10-17
F52 Pan-STARRS 2, Haleakala[191]		 2022 UY5 0.00153 AU (229,000 km; 142,000 mi) 0.60 9.3–21 27.3 —
2022-10-24[192] 2022-10-26
K88 GINOP-KHK, Piszkesteto[193]		 2022 UV10 0.00232 AU (347,000 km; 216,000 mi) 0.90 6.3–14 28.1 ✓
2022-10-24[194] 2022-10-22
G96 Mt. Lemmon Survey[195]		 2022 UC7 0.00232 AU (347,000 km; 216,000 mi) 0.90 7.7–17 27.7 —
2022-10-24[196] 2022-10-25
G96 Mt. Lemmon Survey[197]		 2022 UQ40 0.00063 AU (94,000 km; 59,000 mi) 0.25 5.9–13 28.1 —
2022-10-24[198] 2022-10-23
F51 Pan-STARRS 1, Haleakala[199]		 2022 UV7 0.00163 AU (244,000 km; 152,000 mi) 0.64 3.3–7.5 29.5 —
2022-10-26[200] 2022-10-28
G96 Mt. Lemmon Survey[201]		 2022 UC14 0.00150 AU (224,000 km; 139,000 mi) 0.58 3.1–6.9 29.7 —
2022-10-27[202] 2022-10-28
G96 Mt. Lemmon Survey[203]		 2022 UW14 0.00183 AU (274,000 km; 170,000 mi) 0.71 5.3–12 28.5 —
2022-10-27[204] 2022-10-27
381 Tokyo-Kiso[205]		 2022 UB13 0.00209 AU (313,000 km; 194,000 mi) 0.81 2.9–6.5 29.8 —
2022-10-27[206] 2022-10-28
G96 Mt. Lemmon Survey[207]		 2022 UU63 0.00051 AU (76,000 km; 47,000 mi) 0.20 1.7–3.7 31.0 ✓
2022-10-27[208] 2022-10-28
381 Tokyo-Kiso[209]		 2022 UA14 0.00218 AU (326,000 km; 203,000 mi) 0.85 5.7–13 28.3 —
2022-10-28[210] 2022-11-01
G96 Mt. Lemmon Survey[211]		 2022 VH 0.00218 AU (326,000 km; 203,000 mi) 0.85 14–31 26.4 —
2022-10-29[212] 2022-10-30
703 Catalina Sky Survey[213]		 2022 UW16 0.00026 AU (39,000 km; 24,000 mi) 0.10 4.4–9.9 28.9 —
2022-10-30[214] 2022-10-29
W94 MAP, San Pedro de Atacama[215]		 2022 UW15 0.00081 AU (121,000 km; 75,000 mi) 0.31 2.5–5.5 30.2 —
2022-10-31[216] 2022-10-31
K88 GINOP-KHK, Piszkesteto[217]		 2022 UK24 0.00252 AU (377,000 km; 234,000 mi) 0.98 6.3–14 28.1 —
2022-10-31[218] 2022-11-02
G96 Mt. Lemmon Survey[219]		 2022 VG1 0.00120 AU (180,000 km; 112,000 mi) 0.47 4.4–9.9 28.9 —
2022-11-19[220][221] 2022-11-19
G96 Mt. Lemmon Survey[222]		 2022 WJ1 impact impact 0.51–1.1[3] 33.6 —
2022-11-20[223] 2022-11-21
703 Catalina Sky Survey[224]		 2022 WM3 0.00132 AU (197,000 km; 123,000 mi) 0.51 5.7–13 28.4 —
2022-11-22[225] 2022-11-23
G96 Mt. Lemmon Survey[226]		 2022 WR4 0.00178 AU (266,000 km; 165,000 mi) 0.69 2.8–6.3 29.9 —
2022-11-23[227] 2022-11-26
F51 Pan-STARRS 1, Haleakala[228]		 2022 WO6 0.00213 AU (319,000 km; 198,000 mi) 0.83 4.3–9.6 29.0 —
2022-11-27[229] 2022-11-29
703 Catalina Sky Survey[230]		 2022 WS10 0.00183 AU (274,000 km; 170,000 mi) 0.71 13–30 26.5 —
2022-11-27[231] 2022-11-28
G96 Mt. Lemmon Survey[232]		 2022 WN9 0.00032 AU (48,000 km; 30,000 mi) 0.13 3.3–7.4 29.5 —
2022-11-28[233] 2022-11-26
F51 Pan-STARRS 1, Haleakala[234]		 2022 WM7 0.00053 AU (79,000 km; 49,000 mi) 0.20 2.8–6.4 29.9 —
2022-11-29[235] 2022-11-28
G96 Mt. Lemmon Survey[236]		 2022 WE11 0.00198 AU (296,000 km; 184,000 mi) 0.77 2.8–6.3 29.9 —
2022-12-01[237] 2022-12-01
K88 GINOP-KHK, Piszkesteto[238]		 2022 XL 0.00101 AU (151,000 km; 94,000 mi) 0.39 3.7–8.2 29.3 —
2022-12-02[239] 2022-12-01
G96 Mt. Lemmon Survey[240]		 2022 XB 0.00252 AU (377,000 km; 234,000 mi) 0.98 4.9–11 28.7 —
2022-12-14[241] 2022-12-11
G96 Mt. Lemmon Survey[242]		 2022 XX 0.00139 AU (208,000 km; 129,000 mi) 0.54 4.9–11 28.7 —
2022-12-17[243] 2022-12-17
703 Catalina Sky Survey[244]		 2022 YO1 0.00018 AU (27,000 km; 17,000 mi) 0.07 2.7–5.9 30.0 —
2022-12-18[245] 2022-12-17
G96 Mt. Lemmon Survey[246]		 2022 YJ 0.00188 AU (281,000 km; 175,000 mi) 0.73 4.4–9.9 28.9 —
2022-12-18[247] 2022-12-19
G96 Mt. Lemmon Survey[248]		 2022 YX1 0.00176 AU (263,000 km; 164,000 mi) 0.69 5.4–12 28.4 —
2022-12-22[249] 2022-12-20
G96 Mt. Lemmon Survey[250]		 2022 YG2 0.00244 AU (365,000 km; 227,000 mi) 0.95 4.5–10 28.8 —
2022-12-23[2] 2022-12-24
G96 Mt. Lemmon Survey[251]		 2022 YW6 0.00141 AU (211,000 km; 131,000 mi) 0.55 4.8–11 28.7 —
2022-12-24[252] 2022-12-23
G96 Mt. Lemmon Survey[253]		 2022 YX2 0.00154 AU (230,000 km; 143,000 mi) 0.60 5.3–12 28.5 —
2022-12-26[254] 2022-12-27
703 Catalina Sky Survey[255]		 2022 YA6 0.00095 AU (142,000 km; 88,000 mi) 0.37 7.2–16 27.8 ✓
2022-12-27[256] 2022-12-24
K88 GINOP-KHK, Piszkesteto[257]		 2022 YR4 0.00201 AU (301,000 km; 187,000 mi) 0.78 4.8–11 28.7 —

Warning times by size

This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. It shows the effectiveness of asteroid warning systems at detecting close approaches. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the absolute magnitude of each asteroid, an approximate measure of size based on brightness.[1]

Absolute magnitude 30 and greater

Silhouette of man standing and facing forward
Silhouette of man standing and facing forward

(size of a person for comparison)

After closest approach: 11 (61.1%)< 24 hours before: 5 (27.8%)up to 7 days before: 2 (11.1%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 29-30

After closest approach: 18 (54.5%)< 24 hours before: 8 (24.2%)up to 7 days before: 7 (21.2%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 28-29

After closest approach: 23 (59.0%)< 24 hours before: 2 (5.1%)up to 7 days before: 14 (35.9%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 27-28

After closest approach: 11 (50.0%)< 24 hours before: 1 (4.5%)up to 7 days before: 9 (40.9%)> one week before: 1 (4.5%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 26-27 (probable size of the Chelyabinsk meteor)

After closest approach: 7 (70.0%)< 24 hours before: 2 (20.0%)up to 7 days before: 1 (10.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)

Absolute magnitude 25-26

After closest approach: 0 (0.0%)< 24 hours before: 0 (0.0%)up to 7 days before: 3 (100.0%)> one week before: 0 (0.0%)> 7 weeks before: 0 (0.0%)> one year before: 0 (0.0%)
  •   After closest approach: 0 (0.0%)
  •   < 24 hours before: 0 (0.0%)
  •   up to 7 days before: 3 (100.0%)
  •   > one week before: 0 (0.0%)
  •   > 7 weeks before: 0 (0.0%)
  •   > one year before: 0 (0.0%)


Predicted close approaches

Prediction accuracy for asteroids of magnitude 27 or larger nominally predicted to pass within 1 lunar distance of Earth in 2022[note 5]
Unpredicted: 13 (86.7%)Predicted but not observed: 1 (6.7%)Observed but details incorrect: 0 (0.0%)Distance correct but not date: 0 (0.0%)Date correct but not distance: 0 (0.0%)Successfully predicted: 1 (6.7%)Not due till later in the year: 0 (0.0%)
  •   Unpredicted: 13 (86.7%)
  •   Predicted but not observed: 1 (6.7%)
  •   Observed but details incorrect: 0 (0.0%)
  •   Distance correct but not date: 0 (0.0%)
  •   Date correct but not distance: 0 (0.0%)
  •   Successfully predicted: 1 (6.7%)
  •   Not due till later in the year: 0 (0.0%)

Below is the list of predicted close approaches of near-Earth asteroids larger than magnitude 27, that were predicted at the start of the year to occur in 2022.[note 5] This relates to the effectiveness of asteroid cataloging systems at predicting close approaches. A predicted close approach distance of within ±50% is considered to be a successful prediction.[note 6]

For asteroids which were observed but not predicted, see the main list above.

  Rows highlighted orange indicate objects which were predicted theoretically but were not observed in practice

  Rows highlighted yellow indicate objects which were predicted and observed but the predicted close approach date and distance were incorrect

  Rows highlighted green indicate objects which were observed with the predicted close approach distance (within ±50%) but wrong date

  Rows highlighted turquoise indicate objects which were observed with the predicted close approach date but wrong distance (out by over 50%)

  Rows highlighted blue indicate objects which were observed as predicted with the correct close approach date and distance

  Rows in grey indicate predicted objects that are not yet due

Object Recovery Date[note 7] Predicted Date of closest approach Actual Date of closest approach Predicted closest approach distance (Lunar
distance) 		Actual closest approach distance (Lunar
distance)[note 6] 		(H)
(abs. mag) 		Approx. Size (m)
2020 TO2 Not observed[258] 2022-10-15 ±4 days [259] Not observed 1.34–20.6 (1.39 nominal) Not observed 26.4 14–31
2015 RN35 2022-08-29[260] 2022-12-15 [261] 2022-12-15 1.78–1.79 (1.78 nominal) 1.785 LD 23.1 64–140

Notes

  1. ^ 2022 YW6 passed Earth with a velocity with respect to Earth of 29.8 km/s and was moving away from the Sun at 38.1 km/s.
  2. ^ Discovery date, and if the object was confirmed and previously undiscovered, the discoverer
  3. ^ Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km (0.0166 LD).
  4. ^ Objects that approached closer to the Moon than Earth are marked with a check.
  5. ^ a b Absolute magnitude 27 is the estimated magnitude of the Chelyabinsk meteor, which caused widespread damage and injury, but no deaths. Objects smaller than this are excluded.
  6. ^ a b Asteroids with a predicted close approach distance of up to 2 LD are included in the table, since a 2 LD prediction that is out by -50% will result in a 1 LD close approach.
  7. ^ The date that the object was reacquired i.e. the earliest date this close approach was observed

Additional examples

Below is an example list of near-Earth asteroids that passed or nominally will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2022. During 2021 over 1000 asteroids passed within 10 LD (3.8 million km) of Earth.

  Rows highlighted yellow indicate short arc objects that have not been observed for years and therefore the uncertainty in the approach distance and date are large

  Rows highlighted red indicate objects which are risk–listed with a virtual impactor near this date

Object Size
(meters) 		Nearest approach
(lunar
distances) 		Date Ref
2020 AP1 3–7 0.003–11 (5 LD nominal) 2022-01-07? JPL · CAD
Planet Venus[note2 1] — 103.4 2022-01-08 JPL
(7482) 1994 PC1 750–1300 5.15 2022-01-18 JPL · CAD
2015 DR215 220–490 17.43 2022-03-11 JPL · CAD
2022 BX1 130-280 19.98 2022-03-13 JPL · CAD
2012 TV 24–54 0.7–50 (20 LD nominal) 2022-04-05? JPL · CAD
(418135) 2008 AG33 350-780 8.43 2022-04-28 JPL · CAD
2009 JF1[note2 2] 8-17 8.2–115 (61 LD nominal) 2022-05-15? Nominal
Planet Mercury[note2 3] — 214.1 2022-05-22 JPL
(7335) 1989 JA 840–1900 10.47 2022-05-27 JPL · CAD
2022 NX1 7–14 2.11 2022-06-26 JPL · CAD
2022 PX1 100–220 2.83 2022-08-12 JPL · CAD
2022 QX4 30–70 4.77 2022-08-29 JPL · CAD
161989 Cacus 990–2200 22.39 2022-09-01 JPL · CAD
65803 Didymos 700–900 27.72 2022-10-04 JPL · CAD
2022 RM4 300–670 5.98[note2 4] 2022-11-01 JPL · CAD
27 Euterpe (MBA) 96000 400 2022-11-16 JPL
(85713) 1998 SS49 2000–3500 55.02[note2 5] 2022-11-21 JPL · CAD
2005 LW3 400 2.97 2022-11-23 JPL · CAD
Planet Mars[note2 6] — 211.9 2022-12-01 JPL
2013 YA14 50-110 2.69[note2 7] 2022-12-25 JPL · CAD
2010 XC15 140-300 2.01 2022-12-27 JPL · CAD

Notes

  1. ^ For comparison as closest Venus approach was 2022-Jan-08 at 0.2658 AU (103.4 LD). (Earth came to perihelion on 2022-Jan-04.)
  2. ^ 2009 JF1 was unique because it was rare to have an asteroid predicted to pass within 1 AU of the Earth (in the next year) and have better than a 1:50,000 chance of impact. Before re-measurements of the existing astrometry in February 2022, 2009 JF1 was nominally predicted to pass about 0.1 AU (15 million km; 39 LD) from Earth with a 1:3800 chance of impact.
  3. ^ Mercury also passed 257 LD from Earth on January 24 and 251 LD from Earth on September 20. Mercury makes a closest approach to Earth about every 116 days.
  4. ^ As of 1 November 2022 the uncertainty in the close approach distance of 2022 RM4 on 1 November 2022 was ±77 km.
  5. ^ The uncertainty region for (85713) 1998 SS49 on 2022-Nov-21 was ±28 km.
  6. ^ Mars closest approach is 2022-Dec-01 even though opposition in the sky is 2022-Dec-08. Mars close approaches occur about every 26 months (779.94 days).
  7. ^ The uncertainty region for 2013 YA14 on 2022-Dec-25 was ±9 km.

See also

References

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