Key statistics
Satellite GB 1 at a glance.
Uptime
15423
Days in orbit
Revolutions
≈ 13.8
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for GB 1.
Object identification
Identified? True
Debris? False
Object name: GB 1
International designator: 1983-056C
Object number (NORAD): 14143
Object ID (CCSDS): 14143
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 104.611 minutes
Inclination: 63.3108 deg
SMA: 7354.344 km
Apoapsis: 1530.835 km
Periapsis: 421.583 km
RAAN: 337.2193 deg
Eccentricy: 0.07541472
Argument of periapsis: 126.6451 deg
Mean anomaly: 240.6381 deg
Mean motion: 13.76533632 rev/day
Mean motion (dot): 0.00006594 rev/day2
B* drag term: 0.00072666828 1/REarth
Two-line elements (TLE)
Creation date: Aug. 30, 2025, 3:38 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 29, 2025, 3:08 p.m. UTC
TLE line 0: 0 GB 1
TLE line 1: 1 14143U 83056C 25241.63100276 .00006594 00000-0 72667-3 0 9999
TLE line 2: 2 14143 63.3108 337.2193 0754147 126.6451 240.6381 13.76533632306469
Live tracking on map
Real-time ground track for satellite GB 1.
Associated space launch
The Parcae satellites were passive ELINT satellites. MSD satellites were dispensers of triplets of ocean surveillance satellites.
GB 1 was lifted into orbit during the mission ‘Atlas H | Parcae 6A,B,C & MSD 6’, on board a Atlas H space rocket.
The launch took place on June 9, 1983, 11:23 p.m. from Space Launch Complex 3E.
For more information about the launch, click the button.
Atlas H | Parcae 6A,B,C & MSD 6
Agency: N/A
Status: Launch Successful
Launch date: June 9, 1983, 11:23 p.m. UTC
Rocket: Atlas H
Launch pad: Space Launch Complex 3E
Location: Vandenberg SFB, CA, USA
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