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OPS 3151, 9803

Orbit data source: Space-Track

OPS 3151, 9803 is a payload satellite owned by SAMSO (US) in GEO that was launched on Sun, 06 Feb 1977 UTC via a TITAN IIIC launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets 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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OPS 3151 details

Identifier	9803, 1977-007A
Orbit	GEO
Last TLE update	11 hours ago
Origin	SAMSO (US)
Manufacturer	TRW
Mission	Defense Early Warn
Bus & Motor	DSP P2, MRE-4
Mass	1,040 kg wet, ~980 kg dry
Launch date (UTC)	1977-02-06 (48 years ago)
Launch vehicle	TITAN IIIC
Launch site	Air Force Eastern Test Range (AFETR)
Object type	Payload Rocket body Debris
Shape & HBR	Cyl + 4 Pan, Unknown HBR
Radar Cross Section	27.525 m²

Expand to show TLE details & history

TLE from 11 hours ago

0 OPS 3151
1 09803U 77007A   24361.22345692 -.00000093  00000-0  00000-0 0  9993
2 09803   6.1045 289.1418 0081300  24.1289 182.5782  0.97530345 19402

Epoch: 2024-12-26T05:21Z

Definitive object data (Epoch: 2024-12-26T05:21:46.677Z)

Latitude	-2.72687°
Longitude	-39.99766°
Altitude	36,921.69 km
Speed	3.022 km/s
True Right ascension	09h 02m 36s
True Declination	-2° 43' 27"
Sunlit	Object was in daylight at TLE epoch

Visualization TLE readout

Latitude	1.21823°
Longitude	125.08517°
Altitude	36,231.095 km
Speed	3.071 km/s
Apparent Right ascension	20h 27m 08s
Apparent Declination	-4° 28' 49"
Sunlit	Object is in daylight

Visualization observer readout

Local Sidereal Time	16:01:23
Azimuth	109.054° ESE
Elevation	14.804°
Doppler factor	1

Orbital elements

Apogee altitude	36,923.302 km
Perigee altitude	36,224.899 km
Semi-major axis	42,952.238 km
Eccentricity	0.00813
Inclination	6.1045°
RAAN	289.1418°
Arg. of periapsis	24.1289°
True anomaly	182.53671°
Mean anomaly	182.5782°
Eccentric anomaly	182.55742°
Mean motion	0.24382 °/min
BSTAR	Unknown
Orbital period	1476.52 mins