Key statistics
Satellite ATLAS 41E R/B at a glance.
Uptime
14828
Days in orbit
Revolutions
≈ 14.4
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
108.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS 41E R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS 41E R/B
International designator: 1985-021B
Object number (NORAD): 15596
Object ID (CCSDS): 15596
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 99.713 minutes
Inclination: 108.0354 deg
SMA: 7122.97 km
Apoapsis: 768.765 km
Periapsis: 720.905 km
RAAN: 73.4823 deg
Eccentricy: 0.00335954
Argument of periapsis: 299.4935 deg
Mean anomaly: 71.5665 deg
Mean motion: 14.44145847 rev/day
Mean motion (dot): 0.00000628 rev/day2
B* drag term: 0.00022151286 1/REarth
Two-line elements (TLE)
Creation date: Oct. 17, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 16, 2025, 4:20 p.m. UTC
TLE line 0: 0 ATLAS 41E R/B
TLE line 1: 1 15596U 85021B 25289.68098770 .00000628 00000-0 22151-3 0 9993
TLE line 2: 2 15596 108.0354 73.4823 0033595 299.4935 71.5665 14.44145847131920
Live tracking on map
Real-time ground track for satellite ATLAS 41E R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object ATLAS 41E R/B.
Associated space launch
Oceanographic radar altimetry satellite designed to obtain mapping of the Earth's geoid
ATLAS 41E R/B was lifted into orbit during the mission ‘Atlas E/OIS | Geosat 1’, on board a Atlas E/OIS space rocket.
The launch took place on March 13, 1985, 2 a.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Atlas E/OIS | Geosat 1
Agency: N/A
Status: Launch Successful
Launch date: March 13, 1985, 2 a.m. UTC
Rocket: Atlas E/OIS
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
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