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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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-3642
1 51989U 22025AK 26171.41668980 .00033252 00000-0 15243-2 0 9994
2 51989 53.1612 297.5549 0001026 131.0773 201.1732 15.20185094 5785Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-22.06951°
Longitude
-138.66661°
Altitude
512.184 km
Speed
7.607 km/s
True Right ascension
18h 39m 53s
True Declination
-21° 56' 45"
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
21:52:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
506.243 km
Perigee altitude
504.831 km
Semi-major axis
6,883.674 km
Eccentricity
0.0001
Inclination
53.1612°
RAAN
297.5549°
Arg. of periapsis
131.0773°
True anomaly
201.16895°
Mean anomaly
201.1732°
Eccentric anomaly
201.17108°
Mean motion
3.80025 °/min
Orbital period
94.73 mins
BSTAR
0.0015243
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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 | 2026-06-22 11:14:34.244Z | 254.05° W | 2026-06-22 11:17:34.244Z | 338.325° N | 36.467° | 2026-06-22 11:20:34.244Z | 38.732° NE |
| 4 mins | 2026-06-22 16:14:34.244Z | 348.326° N | 2026-06-22 16:16:34.244Z | 36.138° NE | 23.184° | 2026-06-22 16:18:34.244Z | 75.676° E |
| 6 mins | 2026-06-22 17:52:34.244Z | 294.692° NW | 2026-06-22 17:54:34.244Z | 250.331° W | 37.106° | 2026-06-22 17:58:34.244Z | 148.592° SSE |
| 4 mins | 2026-06-23 09:17:34.244Z | 160.462° S | 2026-06-23 09:18:34.244Z | 139.741° SSE | 20.253° | 2026-06-23 09:21:34.244Z | 82.031° E |
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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