Key statistics
Satellite HST at a glance.
Uptime
12930
Days in orbit
Revolutions
≈ 15.3
Per day
Orbit
LEO
Low Earth Orbit
Inclination
28.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for HST.
Object identification
Identified? True
Debris? False
Object name: HST
International designator: 1990-037B
Object number (NORAD): 20580
Object ID (CCSDS): 20580
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 94.344 minutes
Inclination: 28.4676 deg
SMA: 6864.938 km
Apoapsis: 488.46 km
Periapsis: 485.145 km
RAAN: 153.1653 deg
Eccentricy: 0.00024145
Argument of periapsis: 351.8347 deg
Mean anomaly: 8.2208 deg
Mean motion: 15.26327892 rev/day
Mean motion (dot): 0.00009313 rev/day2
B* drag term: 0.00034017711 1/REarth
Two-line elements (TLE)
Creation date: Sept. 15, 2025, 7:50 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 15, 2025, 9:01 a.m. UTC
TLE line 0: 0 HST
TLE line 1: 1 20580U 90037B 25258.37594822 .00009313 00000-0 34018-3 0 9991
TLE line 2: 2 20580 28.4676 153.1653 0002414 351.8347 8.2208 15.26327892746479
Live tracking on map
Real-time ground track for satellite HST.
In-orbit conjunctions
There are no conjunctions computed for HST, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
STS-31 was the thirty-fifth mission of the space shuttle program. Discovery's tenth mission deployed the Hubble Space Telescope.
HST was lifted into orbit during the mission ‘Space Shuttle Discovery / OV-103 | STS-31 (Hubble)’, on board a Space Shuttle space rocket.
The launch took place on April 24, 1990, 12:33 p.m. from Launch Complex 39B.
For more information about the launch, click the button.
Space Shuttle Discovery / OV-103 | STS-31 (Hubble)
Agency: N/A
Status: Launch Successful
Launch date: April 24, 1990, 12:33 p.m. UTC
Rocket: Space Shuttle
Launch pad: Launch Complex 39B
Location: Kennedy Space Center, FL, USA
...
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