STARLINK-3651, 51985
Orbit data source: Space-Track
STARLINK-3651, 51985 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 09 Mar 2022 UTC via an FALCON 9 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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51985 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
297 kg wet, ~275 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 STARLINK-3651
1 51985U 22025AF 25346.76451699 .00011091 00000-0 71390-3 0 9991
2 51985 53.2153 69.3520 0001420 94.1933 265.9222 15.08836161207938Epoch: 2025-12-12T18:20Z
TLE epoch observation values (Epoch: 2025-12-12T18:20:54.267Z)
Latitude
-0°
Longitude
72.42443°
Altitude
540.722 km
Speed
7.593 km/s
True Right ascension
04h 37m 24s
True Declination
0° 00' 00"
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
09:18:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.983 km
Perigee altitude
539.018 km
Semi-major axis
6,918.137 km
Eccentricity
0.00014
Inclination
53.2153°
RAAN
69.352°
Arg. of periapsis
94.1933°
True anomaly
265.90597°
Mean anomaly
265.9222°
Eccentric anomaly
265.91408°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.0007139
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Other satellites on launch #25 in the year 2022 (2022-03-09 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.STARLINK-3651 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-13 13:53:46.343Z | 347.749° N | 2025-12-13 13:55:46.343Z | 31.263° NE | 22.624° | 2025-12-13 13:58:46.343Z | 80.905° E |
| 6 mins | 2025-12-13 15:32:46.343Z | 298.947° NW | 2025-12-13 15:34:46.343Z | 255.616° W | 40.683° | 2025-12-13 15:38:46.343Z | 143.521° SSE |
| 4 mins | 2025-12-14 07:04:46.343Z | 165.049° S | 2025-12-14 07:06:46.343Z | 122.561° SE | 21.771° | 2025-12-14 07:08:46.343Z | 85.43° E |
| 6 mins | 2025-12-14 08:42:46.343Z | 255.746° W | 2025-12-14 08:45:46.343Z | 333.691° NNW | 36.303° | 2025-12-14 08:48:46.343Z | 37.15° NE |
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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