STARLINK-1551, 46075
Orbit data source: Space-Track
STARLINK-1551, 46075 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 07 Aug 2020 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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46075 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
260 kg wet, ~248 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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-1551
1 46075U 20055BA 25340.86812087 -.00000461 00000-0 -12064-4 0 9998
2 46075 53.0546 153.3068 0001517 94.8721 265.2441 15.06395975295312Epoch: 2025-12-06T20:50Z
TLE epoch observation values (Epoch: 2025-12-06T20:50:05.643Z)
Latitude
-0.00002°
Longitude
124.89358°
Altitude
548.19 km
Speed
7.589 km/s
True Right ascension
10h 13m 13s
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
06:38:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.545 km
Perigee altitude
546.444 km
Semi-major axis
6,925.632 km
Eccentricity
0.00015
Inclination
53.0546°
RAAN
153.3068°
Arg. of periapsis
94.8721°
True anomaly
265.22678°
Mean anomaly
265.2441°
Eccentric anomaly
265.23544°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
-0.000012064
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Other satellites on launch #55 in the year 2020 (2020-08-07 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-1551 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 | 2025-12-07 14:33:11.764Z | 235.286° WSW | 2025-12-07 14:35:11.764Z | 275.831° WNW | 44.328° | 2025-12-07 14:39:11.764Z | 48.426° ENE |
| 4 mins | 2025-12-07 16:14:11.764Z | 315.379° NNW | 2025-12-07 16:15:11.764Z | 334.732° NNW | 18.833° | 2025-12-07 16:18:11.764Z | 25.184° NE |
| 5 mins | 2025-12-07 19:35:11.764Z | 347.048° N | 2025-12-07 19:37:11.764Z | 26.691° NE | 20.531° | 2025-12-07 19:40:11.764Z | 74.538° E |
| 6 mins | 2025-12-07 21:14:11.764Z | 307.512° NW | 2025-12-07 21:17:11.764Z | 162.761° S | 44.221° | 2025-12-07 21:20:11.764Z | 134.32° SE |
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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