{{infobox spaceflight
| apsis = selene
| COSPAR_ID = 2022-156E
| deactivated =
| dimensions =
| disposal_type =
| image = EQUULEUS Cubesat.jpg
| image_caption = 小馬座
| image_size = 300px
| insignia =
| insignia_caption =
| insignia_size = 200px
| instruments = Plasmaspheric Helium ion Observation by Enhanced New Imager in eXtreme ultraviolet (PHOENIX)
DEtection camera for Lunar impact PHenomena IN 6U Spacecraft (DELPHIUS))
Cis-Lunar Object Detector within Thermal Insulation (CLOTH)
| last_contact =
| launch_date = 16 November 2022, 06:47:44 UTC
| launch_mass =
| launch_rocket = 太空發射系統
| launch_site = 甘迺迪太空中心
| launch_contractor = NASA
| manufacturer = JAXA / 東京大學
| mission_duration = Cruise: 6個月(預計)
Science:6個月(預計)
Elapsed:
| mission_type = 天文學
| name = 小馬座
| next_mission =
| operator = JAXA
東京大學
| orbit_apoapsis =
| orbit_inclination =
| orbit_periapsis =
| orbit_period =
| orbit_reference = 繞月軌道
| orbit_regime =
| power = 15 watts
| previous_mission =
| programme =
| SATCAT = 55905
| spacecraft = EQUULEUS
| spacecraft_type = 立方衛星
| spacecraft_bus = 6U CubeSat
| trans_band = X-band and Ka-band)是一顆日本月球探測衛星,由東京大學中須賀船瀨實驗室 (ISSL) 和日本宇宙航空研究開發機構 (JAXA) 開發。小馬座將測量環繞 地球的等離子體分佈,以幫助科學家了解地區的輻射環境。小馬座還將展示低推力軌跡控制技術,例如在地月區域內使用水蒸氣作為推進劑進行多次月球飛越。小馬座於2023年2月拍攝了彗星C/2022 E3 (ZTF)。
但2023年5月18日失去通訊,未能部署到計畫的拉格朗日點。
參考資料
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