STARLINK-3870, 52451
Orbit data source: Space-Track
STARLINK-3870, 52451 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 06 May 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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52451 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, ~220 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-3870
1 52451U 22049A 25346.73872003 -.00001777 00000-0 -93562-4 0 9997
2 52451 53.2163 99.4597 0001011 88.4163 271.6945 15.08842523198982Epoch: 2025-12-12T17:43Z
TLE epoch observation values (Epoch: 2025-12-12T17:43:45.410Z)
Latitude
-0.00002°
Longitude
111.84445°
Altitude
540.612 km
Speed
7.593 km/s
True Right ascension
06h 37m 50s
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
09:16:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.68 km
Perigee altitude
539.281 km
Semi-major axis
6,918.118 km
Eccentricity
0.0001
Inclination
53.2163°
RAAN
99.4597°
Arg. of periapsis
88.4163°
True anomaly
271.68292°
Mean anomaly
271.6945°
Eccentric anomaly
271.68871°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
-0.000093562
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Other satellites on launch #49 in the year 2022 (2022-05-06 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-3870 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 | 2025-12-13 11:26:21.877Z | 268.023° W | 2025-12-13 11:29:21.877Z | 324.228° NNW | 28.42° | 2025-12-13 11:32:21.877Z | 28.788° NE |
| 6 mins | 2025-12-13 16:28:21.877Z | 331.015° NNW | 2025-12-13 16:31:21.877Z | 52.623° ENE | 31.865° | 2025-12-13 16:34:21.877Z | 102.057° ESE |
| 5 mins | 2025-12-13 18:08:21.877Z | 270.346° WNW | 2025-12-13 18:10:21.877Z | 221.482° SW | 25.707° | 2025-12-13 18:13:21.877Z | 170.563° S |
| 5 mins | 2025-12-14 09:39:21.877Z | 199.153° SSW | 2025-12-14 09:41:21.877Z | 137.45° SSE | 37.786° | 2025-12-14 09:44:21.877Z | 63.291° 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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