STARLINK-3908, 52491
Orbit data source: Space-Track
STARLINK-3908, 52491 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 06 May 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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52491 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, ~220 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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-3908
1 52491U 22049AS 26236.00002315 .00047666 00000-0 23301-2 0 9998
2 52491 53.1606 17.3843 0000373 147.2307 154.8411 15.17789208 5813Epoch: 2026-08-24T00:00Z
TLE epoch observation values (Epoch: 2026-08-24T00:00:02.000Z)
Latitude
-42.89701°
Longitude
1.27755°
Altitude
527.124 km
Speed
7.599 km/s
True Right ascension
22h 14m 17s
True Declination
-42° 43' 11"
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
04:05:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
513.036 km
Perigee altitude
512.522 km
Semi-major axis
6,890.916 km
Eccentricity
0.00004
Inclination
53.1606°
RAAN
17.3843°
Arg. of periapsis
147.2307°
True anomaly
154.84292°
Mean anomaly
154.8411°
Eccentric anomaly
154.84201°
Mean motion
3.79427 °/min
Orbital period
94.88 mins
BSTAR
0.0023301
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Other satellites on launch #49 in the year 2022 (2022-05-06 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-3908 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 | 2026-08-24 13:06:09.622Z | 257.715° W | 2026-08-24 13:10:09.622Z | 343.581° N | 31.233° | 2026-08-24 13:13:09.622Z | 36.181° NE |
| 5 mins | 2026-08-24 18:07:09.622Z | 339.84° N | 2026-08-24 18:09:09.622Z | 28.052° NE | 27.57° | 2026-08-24 18:12:09.622Z | 89.95° E |
| 5 mins | 2026-08-24 19:46:09.622Z | 279.287° WNW | 2026-08-24 19:48:09.622Z | 219.86° SW | 31.509° | 2026-08-24 19:51:09.622Z | 160.971° S |
| 5 mins | 2026-08-25 11:11:09.622Z | 184.957° SSW | 2026-08-25 11:13:09.622Z | 143.28° SSE | 26.995° | 2026-08-25 11:16:09.622Z | 75.296° E |
| 5 mins | 2026-08-25 12:50:09.622Z | 274.433° WNW | 2026-08-25 12:52:09.622Z | 327.162° NNW | 30.475° | 2026-08-25 12:55:09.622Z | 32.2° 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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