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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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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-3877
1 52355U 22045AA 26070.60987657 .00000462 00000-0 47089-4 0 9990
2 52355 53.2175 190.4968 0001077 76.9981 283.1131 15.08840661216071Epoch: 2026-03-11T14:38Z
TLE epoch observation values (Epoch: 2026-03-11T14:38:13.335Z)
Latitude
-0.00006°
Longitude
161.66954°
Altitude
540.47 km
Speed
7.593 km/s
True Right ascension
12h 41m 59s
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
07:45:39
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.731 km
Perigee altitude
539.241 km
Semi-major axis
6,918.123 km
Eccentricity
0.00011
Inclination
53.2175°
RAAN
190.4968°
Arg. of periapsis
76.9981°
True anomaly
283.10108°
Mean anomaly
283.1131°
Eccentric anomaly
283.10709°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
0.000047089
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-03-12 09:51:56.088Z | 194.761° SSW | 2026-03-12 09:54:56.088Z | 141.067° SSE | 29.141° | 2026-03-12 09:57:56.088Z | 73.418° E |
| 6 mins | 2026-03-12 11:31:56.088Z | 270.058° WNW | 2026-03-12 11:34:56.088Z | 343.556° N | 29.629° | 2026-03-12 11:37:56.088Z | 34.616° NE |
| 5 mins | 2026-03-12 16:33:56.088Z | 340.086° N | 2026-03-12 16:35:56.088Z | 34.951° NE | 30.974° | 2026-03-12 16:38:56.088Z | 95.918° ESE |
| 5 mins | 2026-03-12 18:12:56.088Z | 279.697° WNW | 2026-03-12 18:14:56.088Z | 234.797° WSW | 28.241° | 2026-03-12 18:17:56.088Z | 170.651° 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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