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). 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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9803 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
TRW
Mission
Spacecraft
Bus & Motor
DSP P2, MRE-4
Mass
1,040 kg wet, ~980 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 OPS 3151
1 09803U 77007A 26076.25365780 -.00000051 00000-0 00000-0 0 9995
2 09803 4.9624 285.1034 0080594 36.5791 180.3587 0.97528303 23753Epoch: 2026-03-17T06:05Z
TLE epoch observation values (Epoch: 2026-03-17T06:05:16.033Z)
Latitude
-2.98922°
Longitude
-124.18566°
Altitude
36,920.776 km
Speed
3.022 km/s
True Right ascension
09h 27m 51s
True Declination
-2° 59' 11"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:54:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,920.88 km
Perigee altitude
36,228.532 km
Semi-major axis
42,952.843 km
Eccentricity
0.00806
Inclination
4.9624°
RAAN
285.1034°
Arg. of periapsis
36.5791°
True anomaly
180.35298°
Mean anomaly
180.3587°
Eccentric anomaly
180.35583°
Mean motion
0.24381 °/min
Orbital period
1,476.55 mins
BSTAR
0
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Other satellites on launch #7 in the year 1977 (1977-02-06 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.OPS 3151 Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 1440 mins | 2026-03-17 17:13:28.542Z | 215.682° SW | 2026-03-17 21:39:28.542Z | 218.968° SW | 33.89° | 2026-03-18 17:13:28.542Z | 226.986° WSW |
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9803 neighbors
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Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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