STARLINK-5171, 54077
Orbit data source: Space-Track
STARLINK-5171, 54077 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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54077 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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-5171
1 54077U 22136AC 26270.03401656 -.00000728 00000-0 -27632-4 0 9992
2 54077 53.1598 135.1843 0001396 88.6704 271.4447 15.08835522217584Epoch: 2026-09-27T00:48Z
TLE epoch observation values (Epoch: 2026-09-27T00:48:59.030Z)
Latitude
-0.00006°
Longitude
117.10476°
Altitude
540.624 km
Speed
7.593 km/s
True Right ascension
09h 00m 44s
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
17:10:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.977 km
Perigee altitude
539.045 km
Semi-major axis
6,918.148 km
Eccentricity
0.00014
Inclination
53.1598°
RAAN
135.1843°
Arg. of periapsis
88.6704°
True anomaly
271.42871°
Mean anomaly
271.4447°
Eccentric anomaly
271.4367°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
-0.000027632
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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-5171 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 | 2026-09-28 01:10:42.468Z | 299.069° NW | 2026-09-28 01:14:42.468Z | 220.117° SW | 45.606° | 2026-09-28 01:17:42.468Z | 156.598° SSE |
| 5 mins | 2026-09-28 16:43:42.468Z | 181.916° SSW | 2026-09-28 16:45:42.468Z | 136.43° SSE | 32.456° | 2026-09-28 16:48:42.468Z | 73.51° E |
| 6 mins | 2026-09-28 18:22:42.468Z | 269.844° W | 2026-09-28 18:24:42.468Z | 312.222° NW | 36.145° | 2026-09-28 18:28:42.468Z | 35.954° NE |
| 5 mins | 2026-09-28 23:24:42.468Z | 342.848° N | 2026-09-28 23:26:42.468Z | 38.299° NE | 35.313° | 2026-09-28 23:29:42.468Z | 95.014° ESE |
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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