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OPS 5712 (P/L 152), 2873

Orbit data source: Space-Track

OPS 5712 (P/L 152), 2873 is an American payload satellite in LEO that was launched on Wed, 31 May 1967 UTC via a THOR SLV-2 AGENA D launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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Identifier
2873, 1967-053G
Orbit
LEO
Last TLE update
10 hours ago
Origin
Manufacturer
NRL
Mission
Defense Sigint
Bus & Motor
NRL 24", Unknown motor
Mass
52 kg wet, 52 kg dry
Launch date (UTC)
1967-05-31 (58 years ago)
Launch vehicle
THOR SLV-2 AGENA D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Ell + 1 Ant, 9.0 m
Radar Cross Section
1.267 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 10 hours ago
0 OPS 5712 (P/L 152)
1 02873U 67053G   25199.56861137  .00000047  00000-0  70351-4 0  9995
2 02873  69.9742  47.0784 0009687 238.8230 156.1335 13.98423979961875
Epoch: 2025-07-18T13:38Z
TLE epoch observation values (Epoch: 2025-07-18T13:38:48.022Z)
Latitude
32.68165°
Longitude
-80.78956°
Altitude
909.326 km
Speed
7.397 km/s
True Right ascension
04h 02m 06s
True Declination
32° 31' 44"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-69.69473°
Longitude
163.38172°
Altitude
918.479 km
Speed
7.395 km/s
Apparent Right ascension
22h 52m 22s
Apparent Declination
-58° 40' 44"
Sunlit
Object is in full shadow
Visualization observer readout
Local Sidereal Time
12:07:28
Azimuth
153.758° SSE
Elevation
-67.766°
Doppler factor
1
Orbital elements
Apogee altitude
904.349 km
Perigee altitude
890.254 km
Semi-major axis
7,275.438 km
Eccentricity
0.00097
Inclination
69.9742°
RAAN
47.0784°
Arg. of periapsis
238.823°
True anomaly
156.17836°
Mean anomaly
156.1335°
Eccentric anomaly
156.15594°
Mean motion
3.49747 °/min
Orbital period
102.93 mins
BSTAR
0.000070351
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