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OPS 5712 (P/L 153), 2874

Orbit data source: Space-Track

OPS 5712 (P/L 153), 2874 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
2874, 1967-053H
Orbit
LEO
Last TLE update
7 hours ago
Origin
Manufacturer
NRL
Mission
Operational Defense Sigint
Bus & Motor
NRL MULTI, Unknown motor
Mass
77 kg wet, 77 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
1.399 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 7 hours ago
0 OPS 5712 (P/L 153)
1  2874U 67053H   25192.18318786  .00000006  00000-0  42586-4 0  9998
2  2874  69.9739 126.1799 0010003 276.9488  83.0480 13.96754976959642
Epoch: 2025-07-11T04:23Z
TLE epoch observation values (Epoch: 2025-07-11T04:23:47.431Z)
Latitude
0.00001°
Longitude
130.8935°
Altitude
906.49 km
Speed
7.4 km/s
True Right ascension
08h 24m 43s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
-35.84705°
Longitude
115.11028°
Altitude
912.855 km
Speed
7.397 km/s
Apparent Right ascension
09h 09m 53s
Apparent Declination
-41° 38' 02"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
23:23:16
Azimuth
104.85° ESE
Elevation
-64.847°
Doppler factor
1
Orbital elements
Apogee altitude
910.382 km
Perigee altitude
895.815 km
Semi-major axis
7,281.236 km
Eccentricity
0.001
Inclination
69.9739°
RAAN
126.1799°
Arg. of periapsis
276.9488°
True anomaly
Unknown
Mean anomaly
83.048°
Eccentric anomaly
Unknown
Mean motion
3.4933 °/min
Orbital period
103.05 mins
BSTAR
0.000042586
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OPS 5712 (P/L 153) 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 mins2025-07-11 19:58:17.389Z156.837° SSE2025-07-11 20:03:17.389Z98.946° ESE23.74°2025-07-11 20:07:17.389Z52.398° ENE
9 mins2025-07-11 21:44:17.389Z234.474° WSW2025-07-11 21:48:17.389Z300.039° NW35.973°2025-07-11 21:53:17.389Z10.807° NNE
6 mins2025-07-12 05:01:17.389Z19.635° NNE2025-07-12 05:03:17.389Z42.519° NE17.02°2025-07-12 05:07:17.389Z86.737° E
10 mins2025-07-12 06:45:17.389Z332.623° NNW2025-07-12 06:50:17.389Z210.311° SW44.398°2025-07-12 06:55:17.389Z161.903° S
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