STARLINK-3877, 52355
Orbit data source: Space-Track
STARLINK-3877, 52355 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 29 Apr 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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52355 intel report (Beta)
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Edit Public Description
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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 STARLINK-3877
1 52355U 22045AA 25346.98068383 -.00000825 00000-0 -33770-4 0 9999
2 52355 53.2182 228.3742 0001535 103.6301 256.4862 15.08826150202697Epoch: 2025-12-12T23:32Z
TLE epoch observation values (Epoch: 2025-12-12T23:32:11.082Z)
Latitude
-0.00006°
Longitude
153.41346°
Altitude
540.932 km
Speed
7.593 km/s
True Right ascension
15h 13m 29s
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
05:23:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.092 km
Perigee altitude
538.969 km
Semi-major axis
6,918.168 km
Eccentricity
0.00015
Inclination
53.2182°
RAAN
228.3742°
Arg. of periapsis
103.6301°
True anomaly
256.4691°
Mean anomaly
256.4862°
Eccentric anomaly
256.47765°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
-0.00003377
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Other satellites on launch #45 in the year 2022 (2022-04-29 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-3877 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 | 2025-12-13 18:46:28.054Z | 220.559° SW | 2025-12-13 18:50:28.054Z | 128.573° SE | 43.295° | 2025-12-13 18:53:28.054Z | 55.639° ENE |
| 4 mins | 2025-12-13 20:28:28.054Z | 301.667° NW | 2025-12-13 20:30:28.054Z | 344.837° N | 21.388° | 2025-12-13 20:32:28.054Z | 20.731° NNE |
| 6 mins | 2025-12-14 01:28:28.054Z | 318.158° NNW | 2025-12-14 01:31:28.054Z | 57.558° ENE | 42.109° | 2025-12-14 01:34:28.054Z | 118.784° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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