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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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 26141.17330080 .00001039 00000-0 47207-4 0 9997
2 46075 53.1611 124.3838 0001223 85.9900 274.1241 15.30189121320332Epoch: 2026-05-21T04:09Z
TLE epoch observation values (Epoch: 2026-05-21T04:09:33.189Z)
Latitude
0.00003°
Longitude
-176.82677°
Altitude
476.087 km
Speed
7.629 km/s
True Right ascension
08h 17m 32s
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
00:47:59
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.342 km
Perigee altitude
474.666 km
Semi-major axis
6,853.641 km
Eccentricity
0.00012
Inclination
53.1611°
RAAN
124.3838°
Arg. of periapsis
85.99°
True anomaly
274.11012°
Mean anomaly
274.1241°
Eccentric anomaly
274.11711°
Mean motion
3.82526 °/min
Orbital period
94.11 mins
BSTAR
0.000047207
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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 | 2026-05-22 00:41:15.234Z | 188.139° SSW | 2026-05-22 00:44:15.234Z | 129.632° SE | 24.177° | 2026-05-22 00:47:15.234Z | 73.024° E |
| 5 mins | 2026-05-22 02:20:15.234Z | 274.664° WNW | 2026-05-22 02:22:15.234Z | 337.741° N | 30.754° | 2026-05-22 02:25:15.234Z | 35.597° NE |
| 4 mins | 2026-05-22 07:17:15.234Z | 346.257° N | 2026-05-22 07:19:15.234Z | 39.373° NE | 24.943° | 2026-05-22 07:21:15.234Z | 81.756° E |
| 5 mins | 2026-05-22 08:55:15.234Z | 279.371° WNW | 2026-05-22 08:57:15.234Z | 210.765° SW | 31.862° | 2026-05-22 09:00:15.234Z | 156.812° SSE |
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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