STARLINK-1477, 45754
Orbit data source: Space-Track
STARLINK-1477, 45754 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 13 Jun 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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45754 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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-1477
1 45754U 20038AA 25288.34718093 .00002275 00000-0 17159-3 0 9990
2 45754 53.0521 149.0850 0001491 87.0592 273.0568 15.06391668294579Epoch: 2025-10-15T08:19Z
TLE epoch observation values (Epoch: 2025-10-15T08:19:56.432Z)
Latitude
0.00002°
Longitude
-0.02268°
Altitude
548.061 km
Speed
7.589 km/s
True Right ascension
09h 56m 20s
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
18:44:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.541 km
Perigee altitude
546.476 km
Semi-major axis
6,925.645 km
Eccentricity
0.00015
Inclination
53.0521°
RAAN
149.085°
Arg. of periapsis
87.0592°
True anomaly
273.03974°
Mean anomaly
273.0568°
Eccentric anomaly
273.04827°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
0.00017159
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Other satellites on launch #38 in the year 2020 (2020-06-13 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-1477 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-10-16 00:46:06.507Z | 302.435° NW | 2025-10-16 00:50:06.507Z | 190.808° SSW | 39.851° | 2025-10-16 00:53:06.507Z | 145.128° SSE |
| 4 mins | 2025-10-16 16:21:06.507Z | 161.924° S | 2025-10-16 16:22:06.507Z | 140.987° SSE | 22.365° | 2025-10-16 16:25:06.507Z | 82.059° E |
| 6 mins | 2025-10-16 17:59:06.507Z | 257.464° W | 2025-10-16 18:02:06.507Z | 336.81° NNW | 35.887° | 2025-10-16 18:05:06.507Z | 37.403° NE |
| 6 mins | 2025-10-16 23:01:06.507Z | 334.157° NNW | 2025-10-16 23:04:06.507Z | 40.758° NE | 26.786° | 2025-10-16 23:07:06.507Z | 90.493° ESE |
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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