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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
5 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 5 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
-54.9269°
Longitude
99.36707°
Altitude
919.042 km
Speed
7.395 km/s
Apparent Right ascension
08h 04m 01s
Apparent Declination
-50° 22' 54"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time
21:33:32
Azimuth
131.19° SE
Elevation
-71.179°
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.
8 mins2025-07-11 19:58:51.798Z153.181° SSE2025-07-11 20:02:51.798Z105.89° ESE23.763°2025-07-11 20:06:51.798Z55.431° ENE
10 mins2025-07-11 21:43:51.798Z232.175° WSW2025-07-11 21:47:51.798Z287.323° WNW35.614°2025-07-11 21:53:51.798Z12.993° NNE
6 mins2025-07-12 05:00:51.798Z15.503° NNE2025-07-12 05:03:51.798Z49.71° ENE17.127°2025-07-12 05:06:51.798Z83.076° E
10 mins2025-07-12 06:45:51.798Z332.148° NNW2025-07-12 06:49:51.798Z272.872° WNW44.531°2025-07-12 06:55:51.798Z161.59° S
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