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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 STARLINK-1551
1 46075U 20055BA 25260.12393866 -.00001925 00000-0 -11044-3 0 9999
2 46075 53.0540 155.7851 0001377 105.4165 254.6976 15.06387894283141Epoch: 2025-09-17T02:58Z
TLE epoch observation values (Epoch: 2025-09-17T02:58:28.3Z)
Latitude
-0.00002°
Longitude
114.86277°
Altitude
548.38 km
Speed
7.589 km/s
True Right ascension
10h 23m 08s
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
14:08:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.473 km
Perigee altitude
546.566 km
Semi-major axis
6,925.656 km
Eccentricity
0.00014
Inclination
53.054°
RAAN
155.7851°
Arg. of periapsis
105.4165°
True anomaly
254.68238°
Mean anomaly
254.6976°
Eccentric anomaly
254.68999°
Mean motion
3.76575 °/min
Orbital period
95.6 mins
BSTAR
-0.00011044
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-17 22:23:41.911Z | 314.075° NW | 2025-09-17 22:25:41.911Z | 344.134° N | 14.418° | 2025-09-17 22:27:41.911Z | 16.212° NNE |
| 6 mins | 2025-09-18 01:44:41.911Z | 331.53° NNW | 2025-09-18 01:47:41.911Z | 43.1° NE | 29.9° | 2025-09-18 01:50:41.911Z | 95.855° ESE |
| 5 mins | 2025-09-18 03:24:41.911Z | 280.331° WNW | 2025-09-18 03:26:41.911Z | 232.879° WSW | 29.939° | 2025-09-18 03:29:41.911Z | 167.684° S |
| 5 mins | 2025-09-18 18:57:41.911Z | 190.296° SSW | 2025-09-18 18:59:41.911Z | 134.217° SE | 33.844° | 2025-09-18 19:02:41.911Z | 67.559° E |
| 6 mins | 2025-09-18 20:36:41.911Z | 275.455° WNW | 2025-09-18 20:39:41.911Z | 343.028° N | 27.411° | 2025-09-18 20:42:41.911Z | 33.375° NE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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