STARLINK-1540, 46051
Orbit data source: Space-Track
STARLINK-1540, 46051 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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46051 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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-1540
1 46051U 20055AA 26071.29652963 -.00000135 00000-0 75695-5 0 9993
2 46051 53.1613 101.7375 0001159 113.5703 246.5419 15.30191676309481Epoch: 2026-03-12T07:07Z
TLE epoch observation values (Epoch: 2026-03-12T07:07:00.160Z)
Latitude
-0.00005°
Longitude
-174.96165°
Altitude
476.456 km
Speed
7.629 km/s
True Right ascension
06h 46m 56s
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
19:55:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
476.29 km
Perigee altitude
474.702 km
Semi-major axis
6,853.633 km
Eccentricity
0.00012
Inclination
53.1613°
RAAN
101.7375°
Arg. of periapsis
113.5703°
True anomaly
246.52972°
Mean anomaly
246.5419°
Eccentric anomaly
246.53581°
Mean motion
3.82527 °/min
Orbital period
94.11 mins
BSTAR
0.0000075695
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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-1540 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 | 2026-03-13 03:38:42.489Z | 180.669° SSW | 2026-03-13 03:41:42.489Z | 122.04° SE | 20.894° | 2026-03-13 03:43:42.489Z | 83.511° E |
| 5 mins | 2026-03-13 05:16:42.489Z | 260.613° W | 2026-03-13 05:18:42.489Z | 305.675° NW | 32.934° | 2026-03-13 05:21:42.489Z | 32.756° NE |
| 4 mins | 2026-03-13 10:14:42.489Z | 354.108° N | 2026-03-13 10:15:42.489Z | 18.56° NNE | 22.93° | 2026-03-13 10:18:42.489Z | 81.619° E |
| 5 mins | 2026-03-13 11:51:42.489Z | 292.891° NW | 2026-03-13 11:53:42.489Z | 246.618° WSW | 35.332° | 2026-03-13 11:56:42.489Z | 155.475° 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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