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((Short description|ESA spacecraft which will study the effects of the DART Impactor on the asteroid moon Dimorphos))
((Use dmy dates|date=May 2022))
((more citations needed|date=April 2022))
((Italic title))
((Infobox spaceflight |auto=all
| name                  = ''Hera''
| image                 = Hera in orbit.jpg
| image_caption         = 
| image_size            =

| mission_type          = Asteroid orbiter
| operator              = European Space Agency
| COSPAR_ID             = 
| SATCAT                = 
| website               = ((url|https://heramission.space))
| mission_duration      = Planned: 6 months on orbit <!-- <br/> Elapsed: ((time interval||show=dhm|sep=,)) -->

| manufacturer          = [[OHB SE]]
| launch_mass           = ((cvt|870|kg))
| dry_mass              = ((cvt|350|kg))
| dimensions            = 
| power                 = <!--end-of-life power, in watts-->

| launch_date           = October 2024 (planned)<ref>((cite web |url=https://www.esa.int/Space_Safety/Hera |title=Hera |work=[[ESA]] |date=September 2022 |access-date=20 October 2022))</ref>
| launch_rocket         = [[Falcon 9 Block 5]]<ref name="sn-20221020" />
| launch_site           = 
| launch_contractor     = [[SpaceX]]
| entered_service       =

|interplanetary         = 
 ((Infobox spaceflight/IP
 |type                = orbiter
 |object              = [[65803 Didymos]]
 |orbits              = 
 |arrival_date        = 2026
 ))

| instruments_list      = ((Infobox spaceflight/Instruments
 | acronym1 = AFC | name1 = Asteroid Framing Camera
 | acronym2 = TIRI | name2 = Thermal Infra Red Imager
 | acronym3 = PALT | name3 = Planetary Altimeter
 | acronym4 = RSE | name4 = Radio Science Experiment
 | acronym5 = HS | name5 = HyperScout-H
 ))
))

'''''Hera''''' is a space mission in development at the [[European Space Agency]] in its Space Safety program. Its primary objective is to study the [[65803 Didymos|Didymos binary asteroid system]] that was impacted by [[Double Asteroid Redirection Test|DART]] and contribute to validation of the [[Kinetic energy|kinetic]] impact method to deviate a [[Near-Earth object|near-Earth asteroid]] in a colliding trajectory with Earth. It will measure the size and the morphology of the crater created by and momentum transferred by an artificial projectile impacting an asteroid, which will allow measuring the efficiency of the deflection produced by the impact. It will also analyze the expanding debris cloud caused by the impact.<ref>((Cite web|url=https://www.spacedaily.com/reports/Asteroid-smashing_NASA_probe_sent_boulders_into_space_999.html|title=Asteroid-smashing NASA probe sent boulders into space|website=Space Daily))</ref>

The spacecraft will be launched in October 2024 and will also study the results of [[Double Asteroid Redirection Test|DART]] impactor, four years after NASA's mission. DART impacted the asteroid [[Dimorphos]], the smaller of two objects forming the binary asteroid [[65803 Didymos]], on 27 September 2022.

''Hera'' has a mass of 1128 kilograms and carries a payload of cameras, an [[altimeter]], and a [[spectrometer]]. It will also carry two [[Small satellite|nano-satellite]] CubeSats, called ''Milani'' and ''Juventas''.

''Hera'' will fully characterise the composition and physical properties of the binary asteroid system including, for the first time, the sub-surface and internal structures. It will also perform technological demonstrations linked to operations in the vicinity of a small body and the deployment and the communication with [[CubeSat]]s in [[Interplanetary medium|interplanetary space]].

== Project history ==

=== AIDA the joint project with NASA ===
((main article|AIDA (international space cooperation)|Double Asteroid Redirection Test))

[[AIDA (international space cooperation)|AIDA]] is the first operational program whose objective is to test a method of deflecting near-Earth asteroids. It was set up in 2013 jointly by scientists supported by NASA and ESA. Its objective is to test the use of an impactor-type device to deflect an [[asteroid]] that might strike the Earth. This program provides for the launch to the [[binary asteroid]] [[65803 Didymos|(65803) Didymos]] of two spacecraft: the [[Double Asteroid Redirection Test|DART]] impactor developed by NASA responsible for crashing at high speed on the smaller of the two asteroids and the ''AIM orbiter'' developed by ESA, which must measure the effects of the impact. After an evaluation phase in the two space agencies, the European Space Agency decided at the end of 2016 to abandon the development of AIM due to lack of sufficient financial support from member states. NASA, for its part, decided to continue the development of DART. In this new context, terrestrial observatories are responsible for taking over partially the role of AIM. The DART project will evolve thereafter by incorporating the [[LICIACube]] [[Small satellite|nano-satellite]], released before the impact and responsible for taking and retransmitting the first 100 seconds of it.

=== Renaissance of the European project ===
In 2017, at the request of several member states of the European Space Agency, the latter resumed the studies of a replacement for AIM that was named ''Hera'' (named after the Greek goddess of marriage [[Hera]]). ''Hera'' must fulfill all the objectives assigned to AIM, but in the meantime optimizing all the components of the mission as much as possible. ''Hera'' shall be launched in October 2024 and study the effects of the DART impact on [[Dimorphos]], the satellite of Didymos, 4 years after it occurred. The ''Hera'' mission was eventually approved by the ESA Ministerial Council in November 2019. In September 2020 the European Space Agency entrusted the construction of the spacecraft to a consortium of companies led by [[OHB SE|OHB]], under a contract of 129.4&nbsp;million euros. It also formalized the scientific team of the mission, made up of a principal investigator, a scientific council, four working groups covering all aspects of the mission and the scientific managers of the instruments.

== Goals ==
[[File:Hera glides past Didymos.jpg|alt=Hera performing close proximity operations at Didymos|thumb|''Hera'' performing close proximity operations at Didymos]]
The main objective of the ''Hera'' mission is to evaluate the kinetic impactor method for deflecting a [[near-Earth object]] that threatens to crash into Earth. This deflection method consists of modifying the trajectory of the asteroid by launching a spacecraft at a speed of a few kilometers per second. Of all the methods, this is the most mature because it relies on the use of available and inexpensive spacecraft technologies. To fulfill this objective, ''Hera'' must determine:

* how much momentum transfer depends on the density, porosity and characteristics of the asteroid's surface and internal structure and
* what proportion of the kinetic energy is transferred in the fragmentation and restructuring of the asteroid or in the kinetic energy of the ejected materials.

''Hera'' also has high scientific objectives. It must collect the characteristics of the two asteroids: surface characteristics, internal porosity and internal structure. In particular, ''Hera'' will be the first mission to measure the subsurface and internal structures of an asteroid. For this, it will use the JuRA low-frequency radar on board the [[CubeSat]] Juventas (see below). The entire moon, Dimorphos, will be mapped with a spatial resolution of a few meters and the vicinity of the impact with a resolution of 10 centimeters. The mass of the moon of Didymos will be estimated with high accuracy, allowing a direct estimate of the momentum transfer efficiency from DART impact.<ref>((cite journal |last1=Michel |first1=Patrick |last2=Küppers |first2=Michael |last3=Bagatin |first3=Adriano Campo |last4=Carry |first4=Benoit |last5=Charnoz |first5=Sébastien |last6=Leon |first6=Julia de |last7=Fitzsimmons |first7=Alan |last8=Gordo |first8=Paulo |last9=Green |first9=Simon F. |last10=Hérique |first10=Alain |last11=Juzi |first11=Martin |last12=Karatekin |first12=Özgür |last13=Kohout |first13=Tomas |last14=Lazzarin |first14=Monica |last15=Murdoch |first15=Naomi |last16=Okada |first16=Tatsuaki |last17=Palomba |first17=Ernesto |last18=Pravec |first18=Petr |last19=Snodgrass |first19=Colin |last20=Tortora |first20=Paolo |last21=Tsiganis |first21=Kleomenis |last22=Ulamec |first22=Stephan |last23=Vincent |first23=Jean-Baptiste |last24=Wünnemann |first24=Kai |last25=Zhang |first25=Yun |last26=Raducan |first26=Sabina D. |last27=Dotto |first27=Elisabetta |last28=Chabot |first28=Nancy |last29=Cheng |first29=Andy F. |last30=Rivkin |first30=Andy |last31=Barnouin |first31=Olivier |last32=Ernst |first32=Carolyn |last33=Stickle |first33=Angela |last34=Richardson |first34=Derek C. |last35=Thomas |first35=Cristina |last36=Arakawa |first36=Masahiko |last37=Miyamoto |first37=Hirdy |last38=Nakamura |first38=Akiko |last39=Sugita |first39=Seiji |last40=Yoshikawa |first40=Makoto |last41=Abell |first41=Paul |last42=Asphaug |first42=Erik |last43=Ballouz |first43=Ronald-Louis |last44=Bottke |first44=William F. |last45=Lauretta |first45=Dante S. |last46=Walsh |first46=Kevin J. |last47=Martino |first47=Paolo |last48=Carnelli |first48=Ian |title=The ESA Hera Mission: Detailed Characterization of the DART Impact Outcome and of the Binary Asteroid (65803) Didymos |journal=The Planetary Science Journal |date=1 July 2022 |volume=3 |issue=7 |pages=160 |doi=10.3847/psj/ac6f52 |bibcode=2022PSJ.....3..160M |s2cid=250599919 |language=en |issn=2632-3338|doi-access=free |hdl=10045/125568 |hdl-access=free ))</ref>

The mission also includes several technological objectives. The most important thing is the production of a guidance software which, by using data from several sensors, will make it possible to reconstruct the surrounding space and thus to independently define a safe trajectory around the asteroid. 

''Hera'' must also embark two CubeSats which will be dropped once the asteroid is reached. These CubeSats are:

* Milani, with the mission of collecting spectral data from the surface of the two asteroids (surface composition) and identifying the presence of dust in the surrounding space and
* Juventas, which must carry out subsurface and internal structure measurements, contribute to the determination of the gravity field and provide information on the mechanical response of the surface when landing on Dimorphos.

== Conduct of the mission ==
The American DART mission, launched on 24 November 2021 at 06:21 UTC by a [[Falcon 9]] from [[Vandenberg Space Force Base|Vandenberg Launch Station]] reached the binary asteroid [[65803 Didymos|(65803) Didymos]] on 26 September 2022, with impact at 23:16 UTC colliding with its [[Dimorphos]] satellite at a relative speed of about 6.6&nbsp;km/s.<ref>((cite web |title=DART Impactor Spacecraft |url=https://dart.jhuapl.edu/Mission/Impactor-Spacecraft.php |publisher=Johns Hopkins University Applied Physics Laboratory |access-date=23 March 2022))</ref> The impact must change the rotation (? orbital) period (11.9 hours) of Dimorphos around Didymos by 73 seconds minimum, which should be observed by terrestrial telescopes.

''Hera'' is to be launched in October 2024 by an [[Falcon 9]] rocket<ref name="sn-20221020">((cite web |last=Foust |first=Jeff |url=https://spacenews.com/esa-moves-two-missions-to-falcon-9/ |title=ESA moves two missions to Falcon 9 |work=[[SpaceNews]] |date=20 October 2022 |access-date=20 October 2022))</ref> which will take off from [[CCSFS|Cape Canaveral]] and reach (? go into orbit around) the [[binary asteroid]] (65803) Didymos four years after DART, precisely on 28 December 2026, to begin six months of investigation. ''Hera'' will be the first to make a rendezvous with a binary asteroid. Once close to((clarify|date=October 2023)) the double asteroid, five stages will follow:((cn|date=October 2023))

# the early characterization phase,
# the deployment phase of the two nano-satellites,
# the detailed characterization phase,
# the close observation phase,
# the landing of both Milani and Juventas on Dimorphos, and finally, an experiment that could end with a landing on Didymos of the main spacecraft.

== Spacecraft ==
[[File:Hera spacecraft design.jpg|thumb|upright=1.5|Hera spacecraft design. The locations of the different payload elements are indicated (AFC = Asteroid Framing Cameras; TIRI = Thermal InfraRed Imager; PALT = Planetary ALTimeter; SMC = Small Monitoring Cameras).]]

The ''Hera'' mission includes the eponymous main satellite and two [[CubeSat]]s named ''Juventas'' and ''Milani''.

The ''Hera'' satellite is cubic in shape, 1.6 × 1.6 × 1.7 meters and has a mass of approximately 1128&nbsp;kg. Its energy is provided by [[solar panel]]s with an area of 13 m². It includes an inter-satellite link to communicate with the two nano-satellites.

The satellite is stabilized on 3 axes. The attitude is maintained by 4 [[reaction wheel]]s, [[gyroscope]]s, [[star tracker]]s, solar sensors and two ''Asteroid Framing Cameras'' (AFC). Attitude guidance is through the ''Planetary Altimeter'' (PALT).

=== Propulsion ===
((empty section|date=October 2023))

==Scientific instruments==

=== Asteroid framing cameras (AFC) ===
The main instruments of ''Hera'' are the two AFC cameras (Asteroid Framing Cameras), developed by the company JenaOptronik. Identical and redundant, they each have a FaintStar panchromatic sensor of 1020 x 1020 pixels with a telephoto lens. The field of view is 5.5 x 5.5 degrees and the spatial resolution reaches one meter at a distance of 10 kilometers. These cameras are to provide physical characteristics of the surface of the asteroid Didymos and Dimorphos as well as the crater created by DART and the Juventas landing zone.

=== Hyperspectral imager – HyperScout-H ===
HyperScout-H is a hyperspectral imager that must provide images in a spectral range between 665 and 975&nbsp;nm (visible and near infrared). The instrument makes its observations in 25 distinct spectral bands. It is developed by  ''cosine Remote Sensing''. This is a specific version developed for ''Hera'', different from the standard HyperScout.

=== Planetary altimeter (PALT) ===
PALT is a micro-[[Lidar]] planetary altimeter using a laser emitting an infrared light beam at 1.5 microns. Its track on the ground is 1 meter at an altitude of 1 kilometer (1 [[milliradian]]). The altitude measurement accuracy is 0.5 meters. Its frequency is 10 [[Hertz]].

=== Thermal Infrared Imager (TIRI) ===
TIRI is a thermal infrared imager provided by the [[JAXA|Japanese Space Agency]]. The spectral range observed is between 7 and 14 microns and it has 6 filters. Its visual range is 13.3 x 10.6°. The spatial resolution is 2.3 meters at a distance of 10 kilometers.

=== X-Band Radio Science (X-DST) ===
The mass of the two asteroids making up the binary system, the characteristics of their gravity field, their rotational speed and their orbits will be measured using radio wave disturbances caused by the [[Doppler effect]]. The measurements relate to the radio exchanges between ''Hera'' and Earth stations but also between ''Hera'' and the CubeSats. Due to the low orbit in which the CubeSats will circulate, these last measurements are crucial to determine the gravity of Didymos.
{| class="wikitable"
|+Main characteristics of the instruments
!Caractéristique
!AFC
!HyperScout-H
!PALT
!TIRI
|-
|Type
|Visible Imager
|Spectral imager
|Altimeter
|Thermal infrared imager
|-
|Mass (kg)
|<1,5
|5,5
|4,5
|<4,4
|-
|Visual range (degrees)
|5,5
|15,5 x 8,3
|non-applicable
|13,3 x 10
|-
|Spatial resolution (microradians)
|94,1
|133
|1000
|226
|-
|Spectral band (nanometers)
|350-1000
|665-975
|
|700-1400
|-
|Others
|
|25 spectral bands
|vertical precision : 0,5 <abbr>m</abbr>.
|6 filtrers
|-
|Power (Watts)
|<1,3
|2.5 (average) - 4.5 (peak)
|<14.5
|20 (average) - <30
|}

=== Instrumentation on board the two nano-satellites ===
Two [[CubeSat]] type nano-satellites, named Milani and Juventas, are transported by ''Hera'' and released before arrival in the asteroidal system [[65803 Didymos|(65803) Didymos]]. They are responsible for carrying out investigations that complement those of their carrier ship.

Both CubeSats are built around a similar platform. These are 6U-XL CubeSats with a mass (including propellant) of approximately 12 kilograms. They are 3-axis stabilized and have a cold gas propulsion system. They communicate with the mothership in S-band. The [[Doppler effect]] affecting radio links is used to measure the characteristics of the gravitational field of the binary system. They have a visible light camera and [[star tracker]]s which are used to determine the dynamic variations of Didymos. Finally, the two CubeSats are equipped with [[accelerometer]]s which will be used to determine the properties of the surface of Dimorphos if the CubeSats land on its surface as planned at the end of their mission. Juventas is developed by [[GomSpace]] while Milani is made by [[Tyvak|Tyvak International]].

==== CubeSat Milani ====
The CubeSat Milani aims to take images and measure the characteristics of the possibly present dust. It must map the two asteroids forming the [[binary asteroid]] (65803) Didymos, characterize their surface, evaluate the effects of the DART impact, contribute to the measurements of the gravitational field of the asteroids and determine the characteristics of the dust clouds possibly located around the asteroids.

To fulfill these objectives, it carries two instruments:

* The ASPECT [[Hyperspectral imaging|hyperspectral imaging spectrometer]] is the main instrument. It works in visible and near infrared light (0.5 to 2.5 microns). Its spatial resolution is 2 meters at 10 kilometers and its spectral resolution is less than 40 nanometers (20 nanometers in the visible). It has a total of 72 channels.
* The VISTA [[Thermogravimetric analysis|thermogravimeter]] is responsible for detecting dust (5 to 10 microns), volatiles (such as water) and light organic materials.

==== CubeSat Juventas ====
Juventas aims to determine the geophysical characteristics of Dimorphos. The probe must map its [[Gravitational field|gravity field]] and determine its internal structure as well as the characteristics of its surface.

To fulfill these objectives, it carries the following instruments:

* The JuRa [[radar]] operating in the 50–70&nbsp;MHz frequency with a spatial resolution of 10 to 15 meters. It is the first instrument to probe the inner layers of an asteroid. It uses two dipole antennas with each branch measuring 1.5 meters. Each measurement session can last up to 45 minutes. It occupies a volume of less than 1U and its mass is less than 1300 grams.
* The GRASS [[Gravimetry|gravimeter]] whose dynamic range is 5 x 10<sup>−4</sup> and sensitivity is 5 x 10<sup>−7</sup>. Its mass is less than 380 grams.
* A camera.
* The radio link with the mother ship (measurement of the [[Doppler effect]]).

== See also ==
* [[Near-Earth Object Coordination Centre]] (ESA's NEOCC)
* [[Planetary Defense Coordination Office]] (NASA's PDCO)

== References ==
((reflist))

== Bibliography ==
* ((cite journal |last1=Michel |first1=Patrick |last2=Cheng |first2=A. |last3=Küppers |first3=M. |last4=Pravec |first4=P. |last5=Blum |first5=J. |last6=Delbo |first6=M. |last7=Green |first7=S.F. |last8=Rosenblatt |first8=P. |last9=Tsiganis |first9=K. |last10=Vincent |first10=J.B. |last11=Biele |first11=J. |last12=Ciarletti |first12=V. |last13=Hérique |first13=A. |last14=Ulamec |first14=S. |last15=Carnelli |first15=I. |last16=Galvez |first16=A. |last17=Benner |first17=L. |last18=Naidu |first18=S.P. |last19=Barnouin |first19=O.S. |last20=Richardson |first20=D.C. |last21=Rivkin |first21=A. |last22=Scheirich |first22=P. |last23=Moskovitz |first23=N. |last24=Thirouin |first24=A. |last25=Schwartz |first25=S.R. |last26=Campo Bagatin |first26=A. |last27=Yu |first27=Y. |title=Science case for the Asteroid Impact Mission (AIM): A component of the Asteroid Impact & Deflection Assessment (AIDA) mission |journal=Advances in Space Research |date=June 2016 |volume=57 |issue=12 |pages=2529–2547 |doi=10.1016/j.asr.2016.03.031|bibcode=2016AdSpR..57.2529M |s2cid=42465954 |url=http://oro.open.ac.uk/46198/1/__science_science-users_users_sfg27_My%20Documents_CV_Pre-prints_of_papers_2016_Michel_et_al_ASR_AIM.pdf ))
* ((cite journal |last1=Michel |first1=Patrick |last2=Kueppers |first2=Michael |last3=Sierks |first3=Holger |last4=Carnelli |first4=Ian |last5=Cheng |first5=Andy F. |last6=Mellab |first6=Karim |last7=Granvik |first7=Mikael |last8=Kestilä |first8=Antti |last9=Kohout |first9=Tomas |last10=Muinonen |first10=Karri |last11=Näsilä |first11=Antti |last12=Penttila |first12=Antti |last13=Tikka |first13=Tuomas |last14=Tortora |first14=Paolo |last15=Ciarletti |first15=Valérie |last16=Hérique |first16=Alain |last17=Murdoch |first17=Naomi |last18=Asphaug |first18=Erik |last19=Rivkin |first19=Andy |last20=Barnouin |first20=Olivier |last21=Bagatin |first21=Adriano Campo |last22=Pravec |first22=Petr |last23=Richardson |first23=Derek C. |last24=Schwartz |first24=Stephen R. |last25=Tsiganis |first25=Kleomenis |last26=Ulamec |first26=Stephan |last27=Karatekin |first27=Ozgür |title=European component of the AIDA mission to a binary asteroid: Characterization and interpretation of the impact of the DART mission |journal=Advances in Space Research |date=October 2018 |volume=62 |issue=8 |pages=2261–2272 |doi=10.1016/j.asr.2017.12.020|bibcode=2018AdSpR..62.2261M |s2cid=55274187 |url=https://hal-insu.archives-ouvertes.fr/insu-01667223/file/Michel_20938.pdf ))

== External links ==
* [https://www.heramission.space/ Hera mission] by [[Côte d'Azur Observatory]]
* [https://www.esa.int/Safety_Security/Hera/ Hera mission] by [[European Space Agency]]
* [https://vimeo.com/531721229?embedded=true&source=vimeo_logo&owner=136988190 Hera and Planetary Defense], [[Committee on Space Research|COSPAR]] 2021, P. Michel, 4 February 2021.
* [https://vimeo.com/531720684?embedded=true&source=vimeo_logo&owner=136988190 Science return of Hera], [[Committee on Space Research|COSPAR]] 2021, P. Michel, 2 February 2021.
* [https://www.youtube.com/channel/UCIABui3tORios9aeE6k165A Youtube channel] of the [[NEO-MAPP]] project.
* [https://iopscience.iop.org/article/10.3847/PSJ/ac6f52#psjac6f52s7 The Planetary Science Journal, volume 3, number 7, 2022, July, 15th].

((Asteroid spacecraft))
((European Space Agency))

[[Category:Proposed European Space Agency spacecraft]]
[[Category:Missions to minor planets]]
[[Category:Missions to asteroids]]
[[Category:2024 in spaceflight]]

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Template:Pagetype (view source) (protected)
Template:Reflist (view source) (protected)
Template:Reflist/styles.css (view source) (protected)
Template:Resize (view source) (template editor protected)
Template:SDcat (view source) (template editor protected)
Template:Short description (view source) (protected)
Template:Short description/lowercasecheck (view source) (protected)
Template:Succession links (view source) (template editor protected)
Template:Template other (view source) (protected)
Template:URL (view source) (template editor protected)
Template:Url (view source) (template editor protected)
Template:Use dmy dates (view source) (template editor protected)
Template:Wd (view source) (template editor protected)
Template:Wikidata (view source) (template editor protected)
Module:Arguments (view source) (protected)
Module:Category handler (view source) (protected)
Module:Category handler/blacklist (view source) (protected)
Module:Category handler/config (view source) (protected)
Module:Category handler/data (view source) (protected)
Module:Category handler/shared (view source) (protected)
Module:Check for unknown parameters (view source) (protected)
Module:Citation/CS1 (view source) (protected)
Module:Citation/CS1/COinS (view source) (protected)
Module:Citation/CS1/Configuration (view source) (protected)
Module:Citation/CS1/Date validation (view source) (protected)
Module:Citation/CS1/Identifiers (view source) (protected)
Module:Citation/CS1/Utilities (view source) (protected)
Module:Citation/CS1/Whitelist (view source) (protected)
Module:Citation/CS1/styles.css (view source) (protected)
Module:Convert (view source) (template editor protected)
Module:Convert/data (view source) (template editor protected)
Module:Convert/text (view source) (template editor protected)
Module:DecodeEncode (view source) (template editor protected)
Module:Delink (view source) (template editor protected)
Module:Disambiguation/templates (view source) (protected)
Module:Find sources (view source) (template editor protected)
Module:Find sources/config (view source) (template editor protected)
Module:Find sources/links (view source) (template editor protected)
Module:Find sources/templates/Find sources mainspace (view source) (template editor protected)
Module:Format link (view source) (template editor protected)
Module:Hatnote (view source) (template editor protected)
Module:Hatnote/styles.css (view source) (template editor protected)
Module:Hatnote list (view source) (template editor protected)
Module:Icon (view source) (template editor protected)
Module:Icon/data (view source) (template editor protected)
Module:Infobox (view source) (template editor protected)
Module:Infobox/styles.css (view source) (template editor protected)
Module:InfoboxImage (view source) (template editor protected)
Module:Italic title (view source) (template editor protected)
Module:Labelled list hatnote (view source) (template editor protected)
Module:Message box (view source) (protected)
Module:Message box/ambox.css (view source) (protected)
Module:Message box/configuration (view source) (protected)
Module:Namespace detect/config (view source) (protected)
Module:Namespace detect/data (view source) (protected)
Module:Navbar (view source) (protected)
Module:Navbar/configuration (view source) (protected)
Module:Navbar/styles.css (view source) (protected)
Module:Navbox (view source) (template editor protected)
Module:Navbox/configuration (view source) (template editor protected)
Module:Navbox/styles.css (view source) (template editor protected)
Module:Ns has subpages (view source) (template editor protected)
Module:Pagetype (view source) (protected)
Module:Pagetype/config (view source) (protected)
Module:Pagetype/disambiguation (view source) (template editor protected)
Module:Pagetype/setindex (view source) (template editor protected)
Module:Pagetype/softredirect (view source) (template editor protected)
Module:SDcat (view source) (template editor protected)
Module:String (view source) (protected)
Module:URL (view source) (template editor protected)
Module:Unsubst (view source) (protected)
Module:Wd (view source) (template editor protected)
Module:Wd/i18n (view source) (template editor protected)
Module:Wikitext Parsing (view source) (template editor protected)
Module:Yesno (view source) (protected)

Return to Hera (space mission).

Retrieved from "https://en.wikipedia.org/wiki/Hera_(space_mission)"