Chinese H-alpha Solar Explorer

Chinese H-alpha Solar Explorer (CHASE)
Spacecraft properties

Mission type	Solar astronomy
Operator	CNSA
COSPAR ID	2021-091A
SATCAT no.	49315
Mission duration	Elasped: 2 years


Manufacturer	Chinese Academy of Sciences
Launch mass	508 kg


Start of mission
Launch date	14 October 2021, 10:51:00 GMT
Rocket	Long March 2D
Launch site	Taiyuan Satellite Launch Center
Contractor	China Aerospace Science and Technology Corporation


Orbital parameters
Reference system	Sun-synchronous orbit
Inclination	98°
Period	94 minutes

China's first solar observatory

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]

Notes

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

Solar space missions

List of heliophysics missions - List of solar telescopes

Current

ACE (since 1997)
Aditya-L1 (since 2023)
ASO-S [fr] (since 2022)
CHASE (Xihe) (since 2021)
DSCOVR (since 2015)
Hinode (Solar-B) (since 2006)
IRIS (since 2013)
Parker Solar Probe (since 2018)
Solar and Heliospheric Observatory (since 1995)
Solar Dynamics Observatory (since 2010)
Solar Orbiter (since 2020)
STEREO (since 2006)
Wind (since 1994)

Past

Apollo Telescope Mount
Coronas F (Koronas F)
EURECA
ESRO 2B
Genesis
GOES 13
Helios
Hinotori (Astro-A)
IMP-8
Intercosmos 26 (Koronas I)
ISEE-1
ISEE-2
ICE / ISEE-3
Koronas-Foton
MinXSS1
MinXSS2
Orbiting Solar Observatory
- OSO 1
- OSO 2/OSO B
- OSO 3
- OSO 4
- OSO 5
- OSO 6
- OSO 7
- OSO 8
- Solwind
PICARD
Pioneer 5
Pioneer 6, 7, 8 and 9
PROBA-2
Prognoz 6
RHESSI
SOLAR
SolarMax
Spartan 201
Taiyo (SRATS)
TRACE
Ulysses
Yohkoh (Solar-A)

Planned

Electrojet Zeeman Imaging Explorer (2024)
PROBA-3 (2024)
PUNCH (2025)
SWFO-L1 (2025)
TRACERS (2025)
Solar-C EUVST (2028)
Vigil (2020s)

Proposed

ADAHELI
SETH
Sundiver

Cancelled

Lost

Sun-Earth

Category

Space telescopes

Operating

Radio and Microwave	NCLE (since 2018) Solar Orbiter (since 2020) STEREO (since 2006) Queqiao (since 2018) Wind (since 1994) Queqiao 2 (since 2024)
Infrared	James Webb (since 2022) Odin (since 2001) SOLAR (since 2008) WISE (since 2009)
Optical	Aoi (since 2018) Astrosat (since 2015) BRITE constellation (since 2013) CHASE (since 2021) CHEOPS (since 2019) DSCOVR (since 2015) Euclid (since 2023) Hayabusa2 (since 2021) Gaia (since 2013) HiRISE (since 2005) Hubble (since 1990) Hinode (Solar-B) (since 2006) NEOSSat (since 2013) Odin (since 2001) SDO (since 2010) SOHO (since 1995) SOLAR (since 2008) Swift (since 2004) TESS (since 2018)
Ultraviolet	Aditya-L1 (since 2023) ASO-S (since 2022) Astrosat (since 2015) Hibari (since 2021) Hinode (Solar-B) (since 2006) IRIS (since 2013) SDO (since 2010) SOHO (since 1995) SOLAR (since 2008) Solar Orbiter (since 2020) STEREO (since 2006) Swift (since 2004)
X-ray and Gamma-ray	AGILE (since 2007) CALET (since 2015) Chandra (AXAF) (since 1999) DAMPE (since 2015) Einstein Probe (since 2024) HXMT (Insight) (since 2017) INTEGRAL (since 2002) Fermi (since 2008) GECAM (since 2020) IXPE (since 2021) Spektr-RG (since 2019) Swift (since 2004) Max Valier Sat (since 2017) MAXI (since 2009) MinXSS-2 (since 2018) NICER (since 2017) NuSTAR (since 2012) LEIA (since 2022) XRISM (since 2023) XPoSat (since 2024) XMM-Newton (since 1999)
Other (particle or unclassified)	ACE (since 1997) AMS-02 (since 2011) CALET (since 2015) DAMPE (since 2015) IBEX (since 2008) ISS-CREAM (since 2017) Mini-EUSO (since 2019) SOHO (since 1995) Solar Orbiter (since 2020) STEREO (since 2006)

Planned

ILO-X (2024)
K-EUSO (2024)
PETREL (2024)
SVOM (2024)
Xuntian (2024)
SPHEREx (2025)
Nancy Grace Roman Space Telescope (2026)
PLATO (2026)
COSI (2027)
LORD (2027)
JASMINE (2028)
NEO Surveyor (2028)
Solar-C EUVST (2028)
ARIEL (2029)
Spektr-UV (2030)
UVEX (2030)
Spektr-M (2030+)
LiteBIRD (2032)
Athena (2035)
LISA (2035)

Proposed

Retired

Akari (Astro-F) (2006–2011)
ALEXIS (1993–2005)
Alouette 1 (1962–1972)
Ariel 1 (1962, 1964)
Ariel 2 (1964)
Ariel 3 (1967–1969)
Ariel 4 (1971–1972)
Ariel 5 (1974–1980)
Ariel 6 (1979–1982)
ASTERIA (2017–2019)
ATM (1973–1974)
ASCA (Astro-D) (1993–2000)
Astro-1 (1990)
- BBXRT
- HUT
Astro-2 (HUT) (1995)
Astron (1983–1991)
ANS (1974–1976)
BeppoSAX (1996–2003)
CHIPSat (2003–2008)
Compton (CGRO) (1991–2000)
CoRoT (2006–2013)
Cos-B (1975–1982)
COBE (1989–1993)
CXBN-2 (2017–2019)
DXS (1993)
EPOCh (2008)
EPOXI (2010)
Explorer 11 (1961)
EXOSAT (1983–1986)
EUVE (1992–2001)
FUSE (1999–2007)
Kvant-1 (1987–2001)
GALEX (2003–2013)
Gamma (1990–1992)
Ginga (Astro-C) (1987–1991)
Granat (1989–1998)
Hakucho (CORSA-b) (1979–1985)
HALCA (MUSES-B) (1997–2005)
HEAO-1 (1977–1979)
Herschel (2009–2013)
Hinotori (Astro-A) (1981–1991)
Hisaki (SPRINT-A) (2013–2023)
HEAO-2 (Einstein Obs.) (1978–1982)
HEAO-3 (1979–1981)
HETE-2 (2000–2008)
Hipparcos (1989–1993)
IUE (1978–1996)
IRAS (1983)
IRTS (1995–1996)
ISO (1996–1998)
IXAE (1996–2004)
Kepler (2009–2018)
Kristall (1990–2001)
LEGRI (1997–2002)
LISA Pathfinder (2015–2017)
MinXSS (2015–2017)
MOST (2003–2019)
MSX (1996–1997)
Mikhailo Lomonosov (failed on-orbit)
OAO-2 (1968–1973)
OAO-3 (Copernicus) (1972–1981)
Orbiting Solar Observatory
- OSO 1
- OSO B
- OSO 3
- OSO 4
- OSO 5
- OSO 6
- OSO 7
- OSO 8
Orion 1 (1971)
Orion 2 (1973)
PAMELA (2006–2016)
PicSat (2018)
Planck (2009–2013)
RELIKT-1 (1983–1984)
R/HESSI (2002–2018)
ROSAT (1990–1999)
RXTE (1995–2012)
SAMPEX (1992–2004)
SAS-B (1972–1973)
SAS-C (1975–1979)
Solwind (1979–1985)
Spektr-R (2011–2019)
Spitzer (2003–2020)
Suzaku (Astro-EII) (2005–2015)
Taiyo (SRATS) (1975–1980)
Tenma (Astro-B) (1983–1985)
Uhuru (1970–1973)
Vanguard 3 (1959)
WMAP (2001–2010)
Yokoh (Solar-A) (1991–2001)

Hibernating
(Mission completed)

SWAS (1998–2005)
TRACE (1998–2010)

Lost/Failed

OAO-1 (1966)
OAO-B (1970)
CORSA (1976)
CXBN (2012–2013)
OSO C (1965)
ABRIXAS (1999)
HETE-1 (1996)
WIRE (1999)
Astro-E (2000)
Tsubame (2014–2015)
Hitomi (Astro-H) (2016)

Cancelled

Aelita
AOSO
Astro-G
Constellation-X
Darwin
Destiny
EChO
Eddington
FAME
FINESSE
GEMS
HOP
IXO
JDEM
LOFT
OSO J
OSO K
Sentinel
SIM & SIMlite
SNAP
SPICA
SPOrt
TAUVEX
TPF
XEUS
XIPE

Category:Space telescopes

Chinese space program

Spaceports and landing sites	Jiuquan Taiyuan Wenchang Xichang Siziwang Banner (landing site)
Launch vehicles	Long March 1 Long March 2 Long March 3 Long March 3A Long March 3B Long March 3C Long March 4 Long March 4A Long March 4B Long March 4C Long March 5 Long March 6 Long March 7 Long March 8 Long March 9 (In development) Long March 10 (In development) Long March 11 Long March 12 Kuaizhou Kaituozhe
Exploration programs	Shuguang (cancelled) CMS (human spaceflight) Chang'e (lunar exploration) Tiangong (space station) Tianwen (interplanetary exploration)

Projects and missions

Science

Planetary science	Chang'e 1 (2007–09) Chang'e 2 (2010–present) Yinghuo 1† (2011) Chang'e 3 (2013–present) Chang'e 5-T1 (2014–present) Yutu rover (2013–2016) Chang'e 4 (2018–present) Yutu-2 rover (2018–present) Tianwen-1 (2020–present) Chang'e 5 (2020–present) Zhurong rover (2021–present) Interstellar Express (2024) Chang'e 6 (2025) Tianwen-2 (2025) Chang'e 7 (2026) Tianwen-3 (2028) Tianwen-4 (2029)
Astronomy and cosmology	DAMPE (2015–present) HXMT (2017–present) GECAM (2020–present) CHASE (2021–present) ASO-S (2022–present) Einstein Probe (2023) SVOM (2024) Xuntian (2024) Space Solar Telescope
Earth observation	CSES (2018–present) Double Star (2003–07) Gaofen Series (2013–present) Haiyang Series (2002–present) TanSat (2016–present) Yaogan Series (2006–present) Ziyuan Series (CBERS) (1999–present) SMILE (2025)

Human
spaceflight

Uncrewed expeditions	Shenzhou 1 Shenzhou 2 Shenzhou 3 Shenzhou 4 Shenzhou 8
Crewed expeditions	Shenzhou 5 Shenzhou 6 Shenzhou 7 Shenzhou 9 Shenzhou 10 Shenzhou 11 Shenzhou 12 Shenzhou 13 Shenzhou 14 Shenzhou 15 Shenzhou 16 (List of Chinese astronauts)
Space laboratories and cargos	Tiangong 1 (2011–2018) Tiangong 2 (2016–2019) Tianzhou 1 (2017) Tianzhou 2 (2021) Tianzhou 3 (2021) Tianzhou 4 (2022) Tianzhou 5 (2022) Tianzhou 6 (2023)
Tiangong space station modules	Tianhe (2021–present) Wentian (2022–present) Mengtian (2022–present)