| Mission type | Radar Calibration Object |
|---|---|
| Operator | United States Navy |
| COSPAR ID | 1965-065E |
| SATCAT no. | 1512 |
| Start of mission | |
| Launch date | 13 August 1965 |
| Rocket | Thor Ablestar |
| Launch site | Vandenberg Air Force Base launch site SLC2E |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | LEO |
| Semi-major axis | 7,512 kilometers (4,668 mi) |
| Eccentricity | 0.02618 |
| Perigee altitude | 1,088.8 kilometers (676.5 mi) |
| Apogee altitude | 1,193.4 kilometers (741.5 mi)[1] |
| Inclination | 89.9° |
| Period | 108 minutes |
Tempsat-1 was a United States Navy Radar calibration object, launched from Vandenberg Air Force Base on a Thor Ablestar on August 13, 1965. It was a 14 inches (36 cm), unguided sphere. It was mainly used in investigation of spacecraft technology and orbits.[2][3][4][5]
