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: 15 hours ago
TLE from 15 hours ago
0 STARLINK-1551
1 46075U 20055BA 25294.88972544 .00007080 00000-0 49363-3 0 9996
2 46075 53.0555 359.7125 0001709 86.9929 273.1255 15.06409126288387Epoch: 2025-10-21T21:21Z
TLE epoch observation values (Epoch: 2025-10-21T21:21:12.278Z)
Latitude
-0.00004°
Longitude
8.84011°
Altitude
547.999 km
Speed
7.589 km/s
True Right ascension
23h 58m 50s
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
07:07:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.638 km
Perigee altitude
546.271 km
Semi-major axis
6,925.591 km
Eccentricity
0.00017
Inclination
53.0555°
RAAN
359.7125°
Arg. of periapsis
86.9929°
True anomaly
273.10595°
Mean anomaly
273.1255°
Eccentric anomaly
273.11572°
Mean motion
3.76581 °/min
Orbital period
95.6 mins
BSTAR
0.00049363
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-10-22 12:06:55.095Z | 338.256° N | 2025-10-22 12:08:55.095Z | 9.902° NNE | 17.176° | 2025-10-22 12:11:55.095Z | 59.838° ENE |
| 6 mins | 2025-10-22 13:46:55.095Z | 318.879° NNW | 2025-10-22 13:49:55.095Z | 75.546° E | 41.109° | 2025-10-22 13:52:55.095Z | 119.157° SE |
| 6 mins | 2025-10-23 06:58:55.095Z | 229.032° WSW | 2025-10-23 07:01:55.095Z | 50.844° ENE | 44.208° | 2025-10-23 07:04:55.095Z | 50.263° ENE |
| 4 mins | 2025-10-23 08:39:55.095Z | 305.702° NW | 2025-10-23 08:41:55.095Z | 345.209° N | 19.678° | 2025-10-23 08:43:55.095Z | 19.917° NNE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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