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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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: 2 days ago
TLE from 2 days ago
0 STARLINK-3651
1 51985U 22025AF 26171.34359733 .00000518 00000-0 50628-4 0 9992
2 51985 53.1601 298.1821 0001093 87.9135 272.1981 15.08834114236559Epoch: 2026-06-20T08:14Z
TLE epoch observation values (Epoch: 2026-06-20T08:14:46.809Z)
Latitude
-0.00006°
Longitude
-94.07256°
Altitude
540.624 km
Speed
7.593 km/s
True Right ascension
19h 52m 43s
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
21:34:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.772 km
Perigee altitude
539.259 km
Semi-major axis
6,918.152 km
Eccentricity
0.00011
Inclination
53.1601°
RAAN
298.1821°
Arg. of periapsis
87.9135°
True anomaly
272.18558°
Mean anomaly
272.1981°
Eccentric anomaly
272.19184°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000050628
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 11:18:53.012Z | 251.06° W | 2026-06-22 11:22:53.012Z | 338.672° N | 35.979° | 2026-06-22 11:25:53.012Z | 37.725° NE |
| 5 mins | 2026-06-22 16:21:53.012Z | 341.827° N | 2026-06-22 16:23:53.012Z | 26.91° NE | 26.077° | 2026-06-22 16:26:53.012Z | 85.221° E |
| 6 mins | 2026-06-22 18:00:53.012Z | 291.668° WNW | 2026-06-22 18:03:53.012Z | 202.277° SSW | 34.878° | 2026-06-22 18:06:53.012Z | 153.67° SSE |
| 5 mins | 2026-06-23 09:32:53.012Z | 175.627° S | 2026-06-23 09:34:53.012Z | 125.825° SE | 27.168° | 2026-06-23 09:37:53.012Z | 71.615° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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