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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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-3681
1 51968U 22025N 26171.26358771 .00000329 00000-0 22380-4 0 9999
2 51968 53.1599 267.0912 0001345 81.4362 278.6792 15.31685023236733Epoch: 2026-06-20T06:19Z
TLE epoch observation values (Epoch: 2026-06-20T06:19:33.978Z)
Latitude
0.00001°
Longitude
-96.28108°
Altitude
471.546 km
Speed
7.632 km/s
True Right ascension
17h 48m 21s
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
23:18:22
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.962 km
Perigee altitude
470.12 km
Semi-major axis
6,849.178 km
Eccentricity
0.00013
Inclination
53.1599°
RAAN
267.0912°
Arg. of periapsis
81.4362°
True anomaly
278.66396°
Mean anomaly
278.6792°
Eccentric anomaly
278.67158°
Mean motion
3.829 °/min
Orbital period
94.02 mins
BSTAR
0.00002238
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 15:13:04.246Z | 320.668° NNW | 2026-06-22 15:15:04.246Z | 76.896° E | 42.333° | 2026-06-22 15:18:04.246Z | 122.649° SE |
| 5 mins | 2026-06-23 08:07:04.246Z | 217.583° SW | 2026-06-23 08:09:04.246Z | 156.951° SSE | 43.188° | 2026-06-23 08:12:04.246Z | 55.332° ENE |
| 4 mins | 2026-06-23 09:46:04.246Z | 307.522° NW | 2026-06-23 09:47:04.246Z | 329.384° NNW | 19.154° | 2026-06-23 09:50:04.246Z | 25.34° 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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