STARLINK-3681, 51968
Orbit data source: Space-Track
STARLINK-3681, 51968 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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51968 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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-3681
1 51968U 22025N 25346.48092595 -.00001506 00000-0 -82228-4 0 9992
2 51968 53.0557 58.4239 0001454 93.4100 266.7055 15.06390122207838Epoch: 2025-12-12T11:32Z
TLE epoch observation values (Epoch: 2025-12-12T11:32:32.002Z)
Latitude
-0.00003°
Longitude
163.8686°
Altitude
548.179 km
Speed
7.589 km/s
True Right ascension
03h 53m 41s
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
07:27:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.519 km
Perigee altitude
546.505 km
Semi-major axis
6,925.649 km
Eccentricity
0.00015
Inclination
53.0557°
RAAN
58.4239°
Arg. of periapsis
93.41°
True anomaly
266.68887°
Mean anomaly
266.7055°
Eccentric anomaly
266.69718°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
-0.000082228
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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-3681 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-13 10:08:48.781Z | 314.515° NW | 2025-12-13 10:10:48.781Z | 345.145° N | 14.598° | 2025-12-13 10:12:48.781Z | 17.09° NNE |
| 6 mins | 2025-12-13 13:29:48.781Z | 332.729° NNW | 2025-12-13 13:32:48.781Z | 44.62° NE | 29.103° | 2025-12-13 13:35:48.781Z | 95.202° ESE |
| 5 mins | 2025-12-13 15:09:48.781Z | 280.735° WNW | 2025-12-13 15:11:48.781Z | 231.024° WSW | 30.91° | 2025-12-13 15:14:48.781Z | 165.751° S |
| 5 mins | 2025-12-14 06:42:48.781Z | 187.756° SSW | 2025-12-14 06:44:48.781Z | 131.73° SE | 32.894° | 2025-12-14 06:47:48.781Z | 68.079° E |
| 6 mins | 2025-12-14 08:21:48.781Z | 275.073° WNW | 2025-12-14 08:24:48.781Z | 345.232° N | 27.778° | 2025-12-14 08:27:48.781Z | 34.195° 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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