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OPS 3151, 9803

Orbit data source: Space-Track

OPS 3151, 9803 is a payload satellite owned by SAMSO (US) 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
Active
Last TLE update21 hours ago
Origin
Flag of USSAMSO (US)
ManufacturerTRW
MissionDefense Early Warn
Bus & MotorDSP P2, MRE-4
Mass1,040 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 & HBRCyl + 4 Pan, Unknown HBR
Radar Cross Section27.525 m²

Expand to show TLE details & history

TLE from 21 hours ago
0 OPS 3151
1 09803U 77007A   24336.62847635 -.00000072  00000-0  00000-0 0  9990
2 09803   6.1696 289.3871 0080605  23.2370 187.6423  0.97529747 19162
Epoch: 2024-12-01T15:05Z
Definitive object data (Epoch: 2024-12-01T15:05:00.356Z)
Latitude-3.15684°
Longitude-157.26723°
Altitude36,914.999 km
Speed3.022 km/s
True Right ascension09h 19m 47s
True Declination-3° 09' 13"
Sunlit
Object was in daylight at TLE epoch
Visualization TLE readout
Latitude2.19401°
Longitude151.57273°
Altitude36,820.437 km
Speed3.029 km/s
Apparent Right ascension05h 31m 24s
Apparent Declination-3° 22' 57"
Sunlit
Object is in daylight
Visualization observer readout
Local Sidereal Time09:54:16
Azimuth251.263° W
Elevation16.08°
Doppler factor1
Orbital elements
Apogee altitude36,920.494 km
Perigee altitude36,228.058 km
Semi-major axis42,952.413 km
Eccentricity0.0080605
Inclination6.1696°
RAAN289.3871°
Arg. of periapsis23.237°
True anomaly187.52068°
Mean anomaly187.6423°
Eccentric anomaly187.58137°
Mean motion0.24382 °/min
BSTARUnknown
Orbital period1476.52 mins
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Other satellites on launch #7 in the year 1977 (1977-02-06 UTC)

OPS 3151 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.
224 mins2024-12-02 12:07:26.324Z251.249° W2024-12-02 12:07:26.324Z251.249° W15.475°2024-12-02 15:51:26.324Z248.873° W
506 mins2024-12-03 02:56:26.324Z255.928° W2024-12-03 07:28:26.324Z260.169° W12.287°2024-12-03 11:22:26.324Z259.396° W
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