●
ORBIT
ING-NOW
☰
Home
Launches
Starlink
Reentry
Decay
About
Home
Launches
Starlink
Reentry
Decay
About
Home
/
Satellites
/ HST
HST
NORAD
20580
· COSPAR
1990-037B
·
ACTIVE
â ï¸ RIP
Orbit:
#80858 @ 468 x 471 km x 28.4738 deg
CURRENT ORBIT DATA
TLE epoch
2026-10-25 14:36 UTC
·
15.5 h old
🌍 Orbit view · current predicted position
🛰️ Ground track · next 110 min
Latitude
—
Longitude
—
Altitude
—
Velocity
—
Heading
—
Orbit #
—
Orbit history
// altitude & velocity from orbital-data archive
Trend:
—
Altitude
—
Velocity
—
Next visible passes
// click to check
🔭 Show visible passes
Current TLE
// onowactive
HST
1 20580U 90037B 26298.60858929 .00004965 00000-0 14837-3 0 09998
2 20580 28.4738 268.2964 0002032 158.4573 201.6109 15.32080280808583
Copy TLE
TLE data & history
🚀 Launch manifest
Spacecraft info
// UCS Satellite Database
Launch date
April 25th 1990
Spacecraft age
36 years, 6 months
Distance travelled
—
Expected lifetime
—
Operator
European Space Agency (ESA)/NASA
Purpose
Space Science
Orbit class
LEO · Non-Polar Inclined
Launch site
Cape Canaveral
Launch vehicle
Space Shuttle (STS 31)
Contractor
European Space Agency/NASA
Launch mass
11,110
kg
Power
2,400.00
W
Orbit elements
// from current orbital elements
Inclination
28.4738°
Period
93.99
min
Perigee
468
km
Apogee
471
km
Eccentricity
0.0002032
RAAN
268.2964°
Arg of Perigee
158.4573°
Mean Motion
15.3208028
rev/d