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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-1477
1 45754U 20038AA 25340.53012514 .00007077 00000-0 46369-3 0 9995
2 45754 53.0539 274.4875 0006037 80.0972 280.0700 15.08721993302446Epoch: 2025-12-06T12:43Z
TLE epoch observation values (Epoch: 2025-12-06T12:43:22.812Z)
Latitude
0.00006°
Longitude
8.08595°
Altitude
540.256 km
Speed
7.594 km/s
True Right ascension
18h 17m 57s
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
18:29:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
544.552 km
Perigee altitude
536.198 km
Semi-major axis
6,918.512 km
Eccentricity
0.0006
Inclination
53.0539°
RAAN
274.4875°
Arg. of periapsis
80.0972°
True anomaly
280.00188°
Mean anomaly
280.07°
Eccentric anomaly
280.03594°
Mean motion
3.77159 °/min
Orbital period
95.45 mins
BSTAR
0.00046369
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-06 22:26:19.407Z | 218.471° SW | 2025-12-06 22:29:19.407Z | 136.724° SSE | 43.141° | 2025-12-06 22:32:19.407Z | 56.372° ENE |
| 4 mins | 2025-12-07 00:07:19.407Z | 300.26° NW | 2025-12-07 00:09:19.407Z | 343.486° N | 21.692° | 2025-12-07 00:11:19.407Z | 20.438° NNE |
| 6 mins | 2025-12-07 05:07:19.407Z | 316.922° NNW | 2025-12-07 05:10:19.407Z | 52.511° ENE | 42.68° | 2025-12-07 05:13:19.407Z | 119.409° SE |
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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