Key statistics
Satellite OPS 6431 at a glance.
Uptime
18075
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: 103.483 minutes
Inclination: 63.3573 deg
SMA: 7301.392 km
Apoapsis: 1203.341 km
Periapsis: 643.174 km
RAAN: 14.5748 deg
Eccentricy: 0.03836026
Argument of periapsis: 179.4115 deg
Mean anomaly: 180.7468 deg
Mean motion: 13.91535275 rev/day
Mean motion (dot): 0.00000501 rev/day2
B* drag term: 0.00026551389 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 11:44 a.m. UTC
TLE line 0: 0 OPS 6431
TLE line 1: 1 08818U 76038A 25297.48908247 .00000501 00000-0 26551-3 0 9994
TLE line 2: 2 08818 63.3573 14.5748 0383603 179.4115 180.7468 13.91535275 74426
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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