Key statistics
Satellite HST at a glance.
Uptime
12977
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: 94.285 minutes
Inclination: 28.4668 deg
SMA: 6862.095 km
Apoapsis: 485.274 km
Periapsis: 482.646 km
RAAN: 187.2184 deg
Eccentricy: 0.0001915
Argument of periapsis: 134.927 deg
Mean anomaly: 225.1481 deg
Mean motion: 15.27276544 rev/day
Mean motion (dot): 0.00007204 rev/day2
B* drag term: 0.00025387 1/REarth
Two-line elements (TLE)
Creation date: Nov. 2, 2025, 3:56 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Nov. 2, 2025, 8:29 a.m. UTC
TLE line 0: 0 HST
TLE line 1: 1 20580U 90037B 25306.35384425 .00007204 00000-0 25387-3 0 9995
TLE line 2: 2 20580 28.4668 187.2184 0001915 134.9270 225.1481 15.27276544753814
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
...
Latest news about this satellite
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This NASA/ESA Hubble Space Telescope image released on Sept. 12, 2025, features a cloudy starscape from an impressive star cluster. This scene is in the Large Magellanic Cloud, a dwarf galaxy situated about 160,000 light-years away in the constellations D...
Hubble observes dead star devouring Pluto-like object
With help from NASA’s Hubble Space Telescope in low-Earth orbit, scientists recently observed a Pluto-like… The post Hubble observes dead star devouring Pluto-like object appeared first on NASASpaceFlight.com.
Hubble Captures Puzzling Galaxy
This NASA/ESA Hubble Space Telescope image features a galaxy that’s hard to categorize. The galaxy in question is NGC 2775, which lies 67 million light-years away in the constellation Cancer (the Crab). NGC 2775 sports a smooth, featureless center that is...
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