STARLINK-3541, 51854
Orbit data source: Space-Track
STARLINK-3541, 51854 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 03 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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51854 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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-3541
1 51854U 22022C 26171.43680558 .00021881 00000-0 10559-2 0 9999
2 51854 53.2146 270.6956 0000458 292.3451 67.7497 15.18635280238635Epoch: 2026-06-20T10:29Z
TLE epoch observation values (Epoch: 2026-06-20T10:29:00.002Z)
Latitude
0.00001°
Longitude
-155.20585°
Altitude
510.746 km
Speed
7.61 km/s
True Right ascension
18h 02m 46s
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
21:33:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
510.526 km
Perigee altitude
509.895 km
Semi-major axis
6,888.348 km
Eccentricity
0.00005
Inclination
53.2146°
RAAN
270.6956°
Arg. of periapsis
292.3451°
True anomaly
67.75456°
Mean anomaly
67.7497°
Eccentric anomaly
67.75213°
Mean motion
3.79639 °/min
Orbital period
94.83 mins
BSTAR
0.0010559
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Other satellites on launch #22 in the year 2022 (2022-03-03 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-3541 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 15:05:28.244Z | 326.61° NNW | 2026-06-22 15:08:28.244Z | 49.352° ENE | 34.426° | 2026-06-22 15:11:28.244Z | 105.864° ESE |
| 4 mins | 2026-06-22 16:45:28.244Z | 257.743° W | 2026-06-22 16:46:28.244Z | 234.613° WSW | 21.931° | 2026-06-22 16:49:28.244Z | 178.897° S |
| 5 mins | 2026-06-23 08:09:28.244Z | 201.941° SSW | 2026-06-23 08:11:28.244Z | 146.958° SSE | 37.454° | 2026-06-23 08:14:28.244Z | 63.521° ENE |
| 5 mins | 2026-06-23 09:48:28.244Z | 287.609° WNW | 2026-06-23 09:50:28.244Z | 331.563° NNW | 23.936° | 2026-06-23 09:53:28.244Z | 28.341° NE |
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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