Key statistics
Satellite ATLAS F R/B at a glance.
Uptime
17011
Days in orbit
Revolutions
≈ 5.3
Per day
Orbit
HEO
HEO
Inclination
64.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for ATLAS F R/B.
Object identification
Identified? True
Debris? False
Object name: ATLAS F R/B
International designator: 1978-112B
Object number (NORAD): 11142
Object ID (CCSDS): 11142
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 269.348 minutes
Inclination: 64.2997 deg
SMA: 13815.601 km
Apoapsis: 13840.245 km
Periapsis: 1034.686 km
RAAN: 302.2763 deg
Eccentricy: 0.4634456
Argument of periapsis: 259.7354 deg
Mean anomaly: 313.273 deg
Mean motion: 5.34623583 rev/day
Mean motion (dot): 0.00000044 rev/day2
B* drag term: 0.0017361 1/REarth
Two-line elements (TLE)
Creation date: July 7, 2025, 5:18 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 6, 2025, 6:57 p.m. UTC
TLE line 0: 0 ATLAS F R/B
TLE line 1: 1 11142U 78112B 25187.78960676 .00000044 00000-0 17361-2 0 9998
TLE line 2: 2 11142 64.2997 302.2763 4634456 259.7354 313.2730 5.34623583897202
Live tracking on map
Real-time ground track for satellite ATLAS F R/B.
Associated space launch
First generation GPS satellite
ATLAS F R/B was lifted into orbit during the mission ‘Atlas F/SVS | Navstar 4’, on board a Atlas F/SVS space rocket.
The launch took place on Dec. 11, 1978, 3:59 a.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas F/SVS | Navstar 4
Agency: N/A
Status: Launch Successful
Launch date: Dec. 11, 1978, 3:59 a.m. UTC
Rocket: Atlas F/SVS
Launch pad: Space Launch Complex 3E
Location: Vandenberg SFB, CA, USA
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