OPS 6431

Satellite information

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Satellite Type and Status

PAYLOADIN ORBIT

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 conjunctions

Associated 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.

Launch to space Atlas F/MSD | Parcae 1A,B,C & MSD 1
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

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Latest news about this satellite

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