STARLINK-3978, 52635
Orbit data source: Space-Track
STARLINK-3978, 52635 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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52635 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-3978
1 52635U 22052AP 26171.35185377 .00001337 00000-0 10211-3 0 9990
2 52635 53.1601 158.1384 0001007 79.8549 280.2556 15.08828109226638Epoch: 2026-06-20T08:26Z
TLE epoch observation values (Epoch: 2026-06-20T08:26:40.165Z)
Latitude
-0.00003°
Longitude
122.90331°
Altitude
540.547 km
Speed
7.593 km/s
True Right ascension
10h 32m 33s
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
21:27:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.73 km
Perigee altitude
539.337 km
Semi-major axis
6,918.171 km
Eccentricity
0.0001
Inclination
53.1601°
RAAN
158.1384°
Arg. of periapsis
79.8549°
True anomaly
280.24424°
Mean anomaly
280.2556°
Eccentric anomaly
280.24992°
Mean motion
3.77187 °/min
Orbital period
95.44 mins
BSTAR
0.00010211
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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-3978 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 | 2026-06-23 00:11:24.588Z | 179.197° S | 2026-06-23 00:14:24.588Z | 119.096° SE | 23.148° | 2026-06-23 00:16:24.588Z | 82.295° E |
| 6 mins | 2026-06-23 01:50:24.588Z | 259.365° W | 2026-06-23 01:53:24.588Z | 338.142° N | 34.696° | 2026-06-23 01:56:24.588Z | 36.723° NE |
| 5 mins | 2026-06-23 06:52:24.588Z | 340.989° N | 2026-06-23 06:54:24.588Z | 27.158° NE | 27.068° | 2026-06-23 06:57:24.588Z | 87.073° E |
| 6 mins | 2026-06-23 08:31:24.588Z | 289.473° WNW | 2026-06-23 08:33:24.588Z | 247.671° W | 33.288° | 2026-06-23 08:37:24.588Z | 156.126° 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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