Key statistics
Satellite GB 1 at a glance.
Uptime
15367
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: 104.654 minutes
Inclination: 63.3064 deg
SMA: 7356.374 km
Apoapsis: 1537.149 km
Periapsis: 419.33 km
RAAN: 131.7569 deg
Eccentricy: 0.0759762
Argument of periapsis: 125.6807 deg
Mean anomaly: 241.741 deg
Mean motion: 13.75963841 rev/day
Mean motion (dot): 0.00002501 rev/day2
B* drag term: 0.00028289 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 6:39 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 4, 2025, 9:21 a.m. UTC
TLE line 0: 0 GB 1
TLE line 1: 1 14143U 83056C 25185.38994274 .00002501 00000-0 28289-3 0 9992
TLE line 2: 2 14143 63.3064 131.7569 0759762 125.6807 241.7410 13.75963841298728
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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