Key statistics
Satellite HST at a glance.
Uptime
13068
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: 94.186 minutes
Inclination: 28.4676 deg
SMA: 6857.281 km
Apoapsis: 480.51 km
Periapsis: 477.782 km
RAAN: 290.1523 deg
Eccentricy: 0.00019891
Argument of periapsis: 68.7566 deg
Mean anomaly: 291.3241 deg
Mean motion: 15.28884969 rev/day
Mean motion (dot): 0.00007357 rev/day2
B* drag term: 0.00024683581 1/REarth
Two-line elements (TLE)
Creation date: Feb. 1, 2026, 10:28 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Feb. 1, 2026, 12:05 a.m. UTC
TLE line 0: 0 HST
TLE line 1: 1 20580U 90037B 26032.00397088 .00007357 00000-0 24684-3 0 9991
TLE line 2: 2 20580 28.4676 290.1523 0001989 68.7566 291.3241 15.28884969767694
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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