STARLINK-3968, 52639
Orbit data source: Space-Track
STARLINK-3968, 52639 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 14 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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52639 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-3968
1 52639U 22052AT 26171.27087889 .00000080 00000-0 23107-4 0 9997
2 52639 53.1587 158.5012 0001193 73.6805 286.4317 15.08829733227425Epoch: 2026-06-20T06:30Z
TLE epoch observation values (Epoch: 2026-06-20T06:30:03.936Z)
Latitude
-0.00005°
Longitude
152.49686°
Altitude
540.433 km
Speed
7.593 km/s
True Right ascension
10h 34m 00s
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
21:29:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.854 km
Perigee altitude
539.204 km
Semi-major axis
6,918.166 km
Eccentricity
0.00012
Inclination
53.1587°
RAAN
158.5012°
Arg. of periapsis
73.6805°
True anomaly
286.41859°
Mean anomaly
286.4317°
Eccentric anomaly
286.42514°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
0.000023107
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Other satellites on launch #52 in the year 2022 (2022-05-14 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-3968 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 23:49:34.714Z | 165.513° S | 2026-06-22 23:51:34.714Z | 135.622° SSE | 15.625° | 2026-06-22 23:54:34.714Z | 87.526° E |
| 6 mins | 2026-06-23 01:28:34.714Z | 244.381° WSW | 2026-06-23 01:30:34.714Z | 283.644° WNW | 40.979° | 2026-06-23 01:34:34.714Z | 44.443° NE |
| 4 mins | 2026-06-23 03:09:34.714Z | 316.009° NNW | 2026-06-23 03:10:34.714Z | 333.786° NNW | 16.891° | 2026-06-23 03:13:34.714Z | 23.408° NE |
| 4 mins | 2026-06-23 06:30:34.714Z | 350.015° N | 2026-06-23 06:32:34.714Z | 33.282° NE | 21.654° | 2026-06-23 06:34:34.714Z | 69.763° E |
| 6 mins | 2026-06-23 08:09:34.714Z | 301.26° NW | 2026-06-23 08:11:34.714Z | 256.012° W | 42.389° | 2026-06-23 08:15:34.714Z | 140.226° 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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