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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
12 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, 18 m
Radar Cross Section
1.267 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 12 hours ago
0 OPS 5712 (P/L 152)
1  2873U 67053G   25181.90969311  .00000032  00000-0  60104-4 0  9996
2  2873  69.9748  85.0298 0010156 256.2390 181.0672 13.98420204960055
Epoch: 2025-06-30T21:49Z
TLE epoch observation values (Epoch: 2025-06-30T21:49:57.484Z)
Latitude
66.53183°
Longitude
-105.04608°
Altitude
917.554 km
Speed
7.396 km/s
True Right ascension
09h 26m 37s
True Declination
66° 24' 31"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-26.8234°
Longitude
-173.26646°
Altitude
906.859 km
Speed
7.399 km/s
Apparent Right ascension
06h 37m 15s
Apparent Declination
-36° 42' 37"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
20:58:56
Azimuth
94.832° ESE
Elevation
-62.207°
Doppler factor
1
Orbital elements
Apogee altitude
904.703 km
Perigee altitude
889.925 km
Semi-major axis
7,275.451 km
Eccentricity
0.00102
Inclination
69.9748°
RAAN
85.0298°
Arg. of periapsis
256.239°
True anomaly
Unknown
Mean anomaly
181.0672°
Eccentric anomaly
Unknown
Mean motion
3.49746 °/min
Orbital period
102.93 mins
BSTAR
0.000060104
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OPS 5712 (P/L 152) Visibility forecast

Observer location: undefined°, undefined°

Span
Click to sort rows by Start time (UTC) header in descending order
Start Az.
Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
End Az.
9 mins2025-07-01 18:10:39.928Z167.164° S2025-07-01 18:15:39.928Z96.287° ESE30.785°2025-07-01 18:19:39.928Z45.51° ENE
9 mins2025-07-01 19:56:39.928Z247.197° WSW2025-07-01 20:00:39.928Z303.514° NW29.227°2025-07-01 20:05:39.928Z6.1° NNE
7 mins2025-07-02 03:12:39.928Z12.532° NNE2025-07-02 03:15:39.928Z50.991° ENE21.71°2025-07-02 03:19:39.928Z98.793° ESE
9 mins2025-07-02 04:57:39.928Z321.947° NNW2025-07-02 05:01:39.928Z245.357° WSW40.233°2025-07-02 05:06:39.928Z174.678° S
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