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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 STARLINK-1477
1 45754U 20038AA 25260.01703883 -.00000790 00000-0 -34171-4 0 9991
2 45754 53.0528 276.2661 0001210 86.2774 273.8353 15.06392177290304Epoch: 2025-09-17T00:24Z
TLE epoch observation values (Epoch: 2025-09-17T00:24:32.154Z)
Latitude
-0.00007°
Longitude
-86.06696°
Altitude
548.059 km
Speed
7.589 km/s
True Right ascension
18h 25m 03s
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
23:08:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.345 km
Perigee altitude
546.669 km
Semi-major axis
6,925.644 km
Eccentricity
0.00012
Inclination
53.0528°
RAAN
276.2661°
Arg. of periapsis
86.2774°
True anomaly
273.82147°
Mean anomaly
273.8353°
Eccentric anomaly
273.82838°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
-0.000034171
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-09-18 08:42:10.047Z | 346.88° N | 2025-09-18 08:44:10.047Z | 23.554° NE | 18.269° | 2025-09-18 08:46:10.047Z | 57.76° ENE |
| 6 mins | 2025-09-18 10:21:10.047Z | 314.588° NW | 2025-09-18 10:24:10.047Z | 57.754° ENE | 43.925° | 2025-09-18 10:27:10.047Z | 123.219° SE |
| 7 mins | 2025-09-19 03:33:10.047Z | 234.308° WSW | 2025-09-19 03:36:10.047Z | 312.91° NW | 44.564° | 2025-09-19 03:40:10.047Z | 48.377° ENE |
| 4 mins | 2025-09-19 05:15:10.047Z | 318.374° NNW | 2025-09-19 05:16:10.047Z | 338.088° N | 18.804° | 2025-09-19 05:19:10.047Z | 26.821° NE |
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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