STARLINK-5177, 54090
Orbit data source: Space-Track
STARLINK-5177, 54090 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 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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54090 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-5177
1 54090U 22136AR 26270.33335648 .00025319 00000-0 88477-3 0 9991
2 54090 53.1602 146.0796 0001193 72.8243 9.1332 15.29428672 5818Epoch: 2026-09-27T08:00Z
TLE epoch observation values (Epoch: 2026-09-27T08:00:01.999Z)
Latitude
52.56649°
Longitude
96.6708°
Altitude
483.118 km
Speed
7.631 km/s
True Right ascension
14h 51m 13s
True Declination
52° 23' 37"
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
18:17:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.593 km
Perigee altitude
476.957 km
Semi-major axis
6,855.912 km
Eccentricity
0.00012
Inclination
53.1602°
RAAN
146.0796°
Arg. of periapsis
72.8243°
True anomaly
9.13537°
Mean anomaly
9.1332°
Eccentric anomaly
9.13429°
Mean motion
3.82336 °/min
Orbital period
94.16 mins
BSTAR
0.00088477
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Other satellites on launch #136 in the year 2022 (2022-10-20 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-5177 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 | 2026-09-28 01:23:48.508Z | 311.47° NW | 2026-09-28 01:26:48.508Z | 68.365° E | 84.345° | 2026-09-28 01:29:48.508Z | 128.849° SE |
| 5 mins | 2026-09-28 18:20:48.508Z | 229.535° WSW | 2026-09-28 18:22:48.508Z | 44.577° NE | 82.187° | 2026-09-28 18:25:48.508Z | 49.739° ENE |
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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