STARLINK-3642, 51989
Orbit data source: Space-Track
STARLINK-3642, 51989 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 09 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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51989 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-3642
1 51989U 22025AK 25346.60531827 -.00000119 00000-0 10619-4 0 9998
2 51989 53.2190 70.0604 0001427 100.2462 259.8691 15.08833057207919Epoch: 2025-12-12T14:31Z
TLE epoch observation values (Epoch: 2025-12-12T14:31:39.498Z)
Latitude
-0.00004°
Longitude
130.60126°
Altitude
540.836 km
Speed
7.593 km/s
True Right ascension
04h 40m 14s
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
09:16:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.997 km
Perigee altitude
539.022 km
Semi-major axis
6,918.146 km
Eccentricity
0.00014
Inclination
53.219°
RAAN
70.0604°
Arg. of periapsis
100.2462°
True anomaly
259.853°
Mean anomaly
259.8691°
Eccentric anomaly
259.86105°
Mean motion
3.77189 °/min
Orbital period
95.44 mins
BSTAR
0.000010619
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Other satellites on launch #25 in the year 2022 (2022-03-09 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-3642 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 | 2025-12-13 14:52:56.467Z | 324.698° NNW | 2025-12-13 14:54:56.467Z | 23.168° NE | 40.447° | 2025-12-13 14:58:56.467Z | 116.895° SE |
| 6 mins | 2025-12-14 08:02:56.467Z | 224.047° SW | 2025-12-14 08:05:56.467Z | 73.264° E | 43.285° | 2025-12-14 08:08:56.467Z | 52.046° ENE |
| 4 mins | 2025-12-14 09:43:56.467Z | 309.047° NW | 2025-12-14 09:44:56.467Z | 329.214° NNW | 20.148° | 2025-12-14 09:47:56.467Z | 23.475° NE |
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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