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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-1477
1 45754U 20038AA 25344.17337613 .00022316 00000-0 14135-2 0 9997
2 45754 53.0525 258.0709 0006235 90.2535 269.9169 15.08884267302992Epoch: 2025-12-10T04:09Z
TLE epoch observation values (Epoch: 2025-12-10T04:09:39.697Z)
Latitude
-0.00007°
Longitude
116.50794°
Altitude
540.497 km
Speed
7.593 km/s
True Right ascension
17h 12m 17s
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
15:23:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
544.193 km
Perigee altitude
535.566 km
Semi-major axis
6,918.016 km
Eccentricity
0.00062
Inclination
53.0525°
RAAN
258.0709°
Arg. of periapsis
90.2535°
True anomaly
269.84545°
Mean anomaly
269.9169°
Eccentric anomaly
269.88118°
Mean motion
3.77199 °/min
Orbital period
95.44 mins
BSTAR
0.0014135
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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 | 2025-12-10 20:12:09.639Z | 185.383° SSW | 2025-12-10 20:15:09.639Z | 135.381° SSE | 23.305° | 2025-12-10 20:18:09.639Z | 78.445° E |
| 6 mins | 2025-12-10 21:52:09.639Z | 262.53° W | 2025-12-10 21:54:09.639Z | 308.851° NW | 34.393° | 2025-12-10 21:58:09.639Z | 39.108° NE |
| 5 mins | 2025-12-11 02:54:09.639Z | 346.874° N | 2025-12-11 02:56:09.639Z | 39.719° NE | 27.009° | 2025-12-11 02:59:09.639Z | 91.019° ESE |
| 5 mins | 2025-12-11 04:33:09.639Z | 284.317° WNW | 2025-12-11 04:35:09.639Z | 229.446° WSW | 33.865° | 2025-12-11 04:38:09.639Z | 160.174° S |
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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