STARLINK-5281, 54190
Orbit data source: Space-Track
STARLINK-5281, 54190 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 28 Oct 2022 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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54190 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
305 kg wet, ~290 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-5281
1 54190U 22141AK 26171.41119347 .00000218 00000-0 31773-4 0 9992
2 54190 53.1601 252.9885 0001228 88.6290 271.4842 15.08834005201502Epoch: 2026-06-20T09:52Z
TLE epoch observation values (Epoch: 2026-06-20T09:52:07.115Z)
Latitude
-0.00005°
Longitude
-163.66738°
Altitude
540.631 km
Speed
7.593 km/s
True Right ascension
16h 51m 57s
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
23:20:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.865 km
Perigee altitude
539.166 km
Semi-major axis
6,918.153 km
Eccentricity
0.00012
Inclination
53.1601°
RAAN
252.9885°
Arg. of periapsis
88.629°
True anomaly
271.47013°
Mean anomaly
271.4842°
Eccentric anomaly
271.47717°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000031773
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Other satellites on launch #141 in the year 2022 (2022-10-28 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-5281 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 13:12:02.648Z | 337.617° N | 2026-06-22 13:14:02.648Z | 13.714° NNE | 22.643° | 2026-06-22 13:17:02.648Z | 74.375° E |
| 6 mins | 2026-06-22 14:52:02.648Z | 295.85° NW | 2026-06-22 14:54:02.648Z | 230.981° WSW | 41.209° | 2026-06-22 14:58:02.648Z | 143.736° SSE |
| 4 mins | 2026-06-23 06:24:02.648Z | 160.805° S | 2026-06-23 06:25:02.648Z | 139.849° SSE | 21.898° | 2026-06-23 06:28:02.648Z | 81.755° E |
| 6 mins | 2026-06-23 08:02:02.648Z | 258.507° W | 2026-06-23 08:05:02.648Z | 346.927° N | 35.193° | 2026-06-23 08:08:02.648Z | 38.563° 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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