Key statistics
Satellite ATLAS 28E R/B at a glance.
Uptime
12812
Days in orbit
Revolutions
≈ 14.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
89.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS 28E R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS 28E R/B
International designator: 1990-031D
Object number (NORAD): 20563
Object ID (CCSDS): 20563
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 97.351 minutes
Inclination: 89.8585 deg
SMA: 7010.037 km
Apoapsis: 673.516 km
Periapsis: 590.289 km
RAAN: 263.3735 deg
Eccentricy: 0.0059363
Argument of periapsis: 183.1282 deg
Mean anomaly: 176.9579 deg
Mean motion: 14.79184181 rev/day
Mean motion (dot): 0.00002149 rev/day2
B* drag term: 0.00027916 1/REarth
Two-line elements (TLE)
Creation date: May 9, 2025, 2:46 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 8, 2025, 6:17 p.m. UTC
TLE line 0: 0 ATLAS 28E R/B
TLE line 1: 1 20563U 90031D 25128.76241834 .00002149 00000-0 27916-3 0 9996
TLE line 2: 2 20563 89.8585 263.3735 0059363 183.1282 176.9579 14.79184181310744
Live tracking on map
Real-time ground track for satellite ATLAS 28E R/B.
Associated space launch
POGS & SSR was a satellite designed to measure the Earth's magnetic field. TEX and SCE studied ionospheric effects on RF transmissions.
ATLAS 28E R/B was lifted into orbit during the mission ‘Atlas E Altair | POGS & SSR, TEX, SCE’, on board a Atlas E Altair space rocket.
The launch took place on April 11, 1990, 3 p.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Atlas E Altair | POGS & SSR, TEX, SCE
Agency: N/A
Status: Launch Successful
Launch date: April 11, 1990, 3 p.m. UTC
Rocket: Atlas E Altair
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
...
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