STARLINK-3387, 51125
Orbit data source: Space-Track
STARLINK-3387, 51125 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 19 Jan 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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51125 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-3387
1 51125U 22005X 26171.35647465 -.00000497 00000-0 -13174-4 0 9992
2 51125 53.1591 198.1259 0000853 82.0381 278.0708 15.08833424244227Epoch: 2026-06-20T08:33Z
TLE epoch observation values (Epoch: 2026-06-20T08:33:19.409Z)
Latitude
0.00003°
Longitude
161.22278°
Altitude
540.572 km
Speed
7.593 km/s
True Right ascension
13h 12m 30s
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
00:56:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.608 km
Perigee altitude
539.428 km
Semi-major axis
6,918.155 km
Eccentricity
0.00009
Inclination
53.1591°
RAAN
198.1259°
Arg. of periapsis
82.0381°
True anomaly
278.06112°
Mean anomaly
278.0708°
Eccentric anomaly
278.06596°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
-0.000013174
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Other satellites on launch #5 in the year 2022 (2022-01-19 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-3387 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-23 03:28:55.618Z | 216.347° SW | 2026-06-23 03:32:55.618Z | 131.024° SE | 41.253° | 2026-06-23 03:35:55.618Z | 58.824° ENE |
| 4 mins | 2026-06-23 05:10:55.618Z | 299.757° NW | 2026-06-23 05:12:55.618Z | 345.69° N | 22.691° | 2026-06-23 05:14:55.618Z | 22.085° NNE |
| 6 mins | 2026-06-23 10:10:55.618Z | 320.622° NNW | 2026-06-23 10:13:55.618Z | 53.244° ENE | 40.325° | 2026-06-23 10:16:55.618Z | 114.647° SE |
| 4 mins | 2026-06-23 11:50:55.618Z | 264.536° W | 2026-06-23 11:52:55.618Z | 228.26° WSW | 17.689° | 2026-06-23 11:54:55.618Z | 194.753° SSW |
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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