Chinese H-alpha Solar Explorer (CHASE)
Mission typeSolar astronomy
COSPAR ID2021-091A Edit this at Wikidata
SATCAT no.49315Edit this on Wikidata
Mission durationElasped: 2 years
Spacecraft properties
ManufacturerChinese Academy of Sciences
Launch mass508 kg
Start of mission
Launch date14 October 2021, 10:51:00 GMT
RocketLong March 2D
Launch siteTaiyuan Satellite Launch Center
ContractorChina Aerospace Science and Technology Corporation
Orbital parameters
Reference systemSun-synchronous orbit
Period94 minutes

Chinese H-alpha Solar Explorer (CHASE), also named Xihe (Chinese: 羲和) after the solar deity,[1] is China's first solar observatory. It was launched aboard a Long March 2D rocket on 14 October 2021. CHASE is a 508 kg (1,120 lb) satellite operating at a 517-kilometer-altitude Sun-synchronous orbit, with an orbital period of around 94 minutes.[2][3]

See also


  1. ^ Clark, Stephen (18 October 2021). "China launches orbiting solar observatory". Spaceflight Now. Retrieved 22 June 2022.
  2. ^ Jones, Andrew (14 October 2021). "China launches first solar observatory, tests grid fins". SpaceNews. Retrieved 22 June 2022.
  3. ^ Davenport, Justin (14 October 2021). "China launches hydrogen-alpha solar telescope aboard Long March 2D". NASASpaceFlight. Retrieved 22 June 2022.