STARLINK-4187, 52850
Orbit data source: Space-Track
STARLINK-4187, 52850 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Jun 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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52850 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
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 STARLINK-4187
1 52850U 22062W 25348.89758152 .00001657 00000-0 12217-3 0 9994
2 52850 53.2198 55.1247 0001455 98.3532 261.7625 15.08836103192982Epoch: 2025-12-14T21:32Z
TLE epoch observation values (Epoch: 2025-12-14T21:32:31.043Z)
Latitude
-0.00003°
Longitude
8.19143°
Altitude
540.797 km
Speed
7.593 km/s
True Right ascension
03h 40m 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
13:19:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.006 km
Perigee altitude
538.993 km
Semi-major axis
6,918.137 km
Eccentricity
0.00015
Inclination
53.2198°
RAAN
55.1247°
Arg. of periapsis
98.3532°
True anomaly
261.746°
Mean anomaly
261.7625°
Eccentric anomaly
261.75425°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.00012217
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Other satellites on launch #62 in the year 2022 (2022-06-17 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-4187 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-15 15:36:17.835Z | 265.201° W | 2025-12-15 15:38:17.835Z | 231.83° WSW | 15.905° | 2025-12-15 15:40:17.835Z | 199.406° SSW |
| 6 mins | 2025-12-16 07:07:17.835Z | 229.152° WSW | 2025-12-16 07:09:17.835Z | 230.294° WSW | 43.638° | 2025-12-16 07:13:17.835Z | 49.893° ENE |
| 4 mins | 2025-12-16 08:48:17.835Z | 314.005° NW | 2025-12-16 08:49:17.835Z | 334.069° NNW | 19.335° | 2025-12-16 08:52:17.835Z | 25.15° NE |
| 4 mins | 2025-12-16 12:09:17.835Z | 353.347° N | 2025-12-16 12:10:17.835Z | 12.078° NNE | 18.509° | 2025-12-16 12:13:17.835Z | 64.775° ENE |
| 6 mins | 2025-12-16 13:48:17.835Z | 312.89° NW | 2025-12-16 13:50:17.835Z | 335.464° NNW | 44.14° | 2025-12-16 13:54:17.835Z | 128.59° SE |
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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