STARLINK-3730, 52139
Orbit data source: Space-Track
STARLINK-3730, 52139 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 19 Mar 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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52139 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-3730
1 52139U 22029BD 26171.18071878 .00000604 00000-0 56047-4 0 9998
2 52139 53.1598 338.9049 0001044 96.4564 263.6547 15.08835483236269Epoch: 2026-06-20T04:20Z
TLE epoch observation values (Epoch: 2026-06-20T04:20:14.102Z)
Latitude
0.00003°
Longitude
5.44713°
Altitude
540.728 km
Speed
7.593 km/s
True Right ascension
22h 35m 37s
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
21:32:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.734 km
Perigee altitude
539.289 km
Semi-major axis
6,918.148 km
Eccentricity
0.0001
Inclination
53.1598°
RAAN
338.9049°
Arg. of periapsis
96.4564°
True anomaly
263.64281°
Mean anomaly
263.6547°
Eccentric anomaly
263.64876°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000056047
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Other satellites on launch #29 in the year 2022 (2022-03-19 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-3730 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 12:07:57.825Z | 165.556° S | 2026-06-22 12:09:57.825Z | 131.261° SE | 18.198° | 2026-06-22 12:12:57.825Z | 82.351° E |
| 6 mins | 2026-06-22 13:46:57.825Z | 252.512° W | 2026-06-22 13:48:57.825Z | 309.629° NW | 39.91° | 2026-06-22 13:52:57.825Z | 43.057° NE |
| 4 mins | 2026-06-22 18:48:57.825Z | 353.031° N | 2026-06-22 18:49:57.825Z | 14.865° NNE | 23.03° | 2026-06-22 18:52:57.825Z | 75.556° E |
| 5 mins | 2026-06-22 20:27:57.825Z | 294.332° NW | 2026-06-22 20:29:57.825Z | 226.152° WSW | 40.729° | 2026-06-22 20:32:57.825Z | 147.779° SSE |
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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