STARLINK-4055, 53161
Orbit data source: Space-Track
STARLINK-4055, 53161 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 17 Jul 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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53161 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, ~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-4055
1 53161U 22083AF 26170.97233069 .00001421 00000-0 10737-3 0 9995
2 53161 53.1611 64.8468 0001340 87.0058 273.1086 15.08844843216806Epoch: 2026-06-19T23:20Z
TLE epoch observation values (Epoch: 2026-06-19T23:20:09.371Z)
Latitude
-0.00009°
Longitude
166.61405°
Altitude
540.57 km
Speed
7.593 km/s
True Right ascension
04h 19m 23s
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
21:24:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.91 km
Perigee altitude
539.056 km
Semi-major axis
6,918.12 km
Eccentricity
0.00013
Inclination
53.1611°
RAAN
64.8468°
Arg. of periapsis
87.0058°
True anomaly
273.09327°
Mean anomaly
273.1086°
Eccentric anomaly
273.10093°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.00010737
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Other satellites on launch #83 in the year 2022 (2022-07-17 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-4055 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 18:15:46.511Z | 197.085° SSW | 2026-06-22 18:18:46.511Z | 135.885° SSE | 31.685° | 2026-06-22 18:21:46.511Z | 69.673° E |
| 6 mins | 2026-06-22 19:55:46.511Z | 274.616° WNW | 2026-06-22 19:57:46.511Z | 315.365° NNW | 28.117° | 2026-06-22 20:01:46.511Z | 34.843° NE |
| 6 mins | 2026-06-23 00:56:46.511Z | 328.375° NNW | 2026-06-23 00:59:46.511Z | 42.222° NE | 32.727° | 2026-06-23 01:02:46.511Z | 100.375° ESE |
| 5 mins | 2026-06-23 02:36:46.511Z | 274.426° WNW | 2026-06-23 02:38:46.511Z | 229.141° WSW | 25.905° | 2026-06-23 02:41:46.511Z | 172.706° S |
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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