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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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-4187
1 52850U 22062W 26171.35697735 -.00000344 00000-0 -35416-5 0 9991
2 52850 53.1610 293.4682 0001228 91.3788 268.7344 15.08832361221287Epoch: 2026-06-20T08:34Z
TLE epoch observation values (Epoch: 2026-06-20T08:34:02.843Z)
Latitude
-0.00001°
Longitude
-103.61642°
Altitude
540.677 km
Speed
7.593 km/s
True Right ascension
19h 33m 52s
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
21:35:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.87 km
Perigee altitude
539.171 km
Semi-major axis
6,918.158 km
Eccentricity
0.00012
Inclination
53.161°
RAAN
293.4682°
Arg. of periapsis
91.3788°
True anomaly
268.72033°
Mean anomaly
268.7344°
Eccentric anomaly
268.72737°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
-0.0000035416
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 11:40:49.173Z | 279.118° WNW | 2026-06-22 11:43:49.173Z | 337.141° NNW | 24.422° | 2026-06-22 11:46:49.173Z | 29.801° NE |
| 6 mins | 2026-06-22 16:42:49.173Z | 328.282° NNW | 2026-06-22 16:44:49.173Z | 27.919° NE | 38.518° | 2026-06-22 16:48:49.173Z | 113.286° SE |
| 4 mins | 2026-06-22 18:22:49.173Z | 255.995° W | 2026-06-22 18:23:49.173Z | 235.689° WSW | 19.714° | 2026-06-22 18:26:49.173Z | 184.522° SSW |
| 6 mins | 2026-06-23 09:52:49.173Z | 217.821° SW | 2026-06-23 09:55:49.173Z | 91.977° ESE | 41.907° | 2026-06-23 09:58:49.173Z | 54.839° 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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