Key statistics
Satellite OPS 6431 at a glance.
Uptime
18125
Days in orbit
Revolutions
≈ 13.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
63.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for OPS 6431.
Object identification
Identified? True
Debris? False
Object name: OPS 6431
International designator: 1976-038A
Object number (NORAD): 8818
Object ID (CCSDS): 8818
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 103.481 minutes
Inclination: 63.3552 deg
SMA: 7301.287 km
Apoapsis: 1199.302 km
Periapsis: 647.003 km
RAAN: 238.9846 deg
Eccentricy: 0.037822
Argument of periapsis: 180.1008 deg
Mean anomaly: 180.0031 deg
Mean motion: 13.91565335 rev/day
Mean motion (dot): 0.00000153 rev/day2
B* drag term: 0.00011716105 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 1:37 a.m. UTC
TLE line 0: 0 OPS 6431
TLE line 1: 1 08818U 76038A 25346.06778467 .00000153 00000-0 11716-3 0 9992
TLE line 2: 2 08818 63.3552 238.9846 0378220 180.1008 180.0031 13.91565335 81183
Live tracking on map
Real-time ground track for satellite OPS 6431.
In-orbit conjunctions
There are no conjunctions computed for OPS 6431, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Parcae 1A, B and C were passive ELINT satellites. MSD 1 was a dispenser of triplets of ocean surveillance satellites.
OPS 6431 was lifted into orbit during the mission ‘Atlas F/MSD | Parcae 1A,B,C & MSD 1’, on board a Atlas F/MSD space rocket.
The launch took place on April 30, 1976, 7:12 p.m. from Space Launch Complex 3W.
For more information about the launch, click the button.
Atlas F/MSD | Parcae 1A,B,C & MSD 1
Agency: N/A
Status: Launch Successful
Launch date: April 30, 1976, 7:12 p.m. UTC
Rocket: Atlas F/MSD
Launch pad: Space Launch Complex 3W
Location: Vandenberg SFB, CA, USA
...
Latest news about this satellite
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