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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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Partially 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 26129.48497455 .00019253 00000-0 96164-3 0 9993
2 45754 53.0503 295.9598 0001762 159.8887 200.2177 15.17508737325757Epoch: 2026-05-09T11:38Z
TLE epoch observation values (Epoch: 2026-05-09T11:38:21.801Z)
Latitude
0.00004°
Longitude
-105.93275°
Altitude
515.395 km
Speed
7.607 km/s
True Right ascension
19h 43m 50s
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
03:44:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
514.86 km
Perigee altitude
512.431 km
Semi-major axis
6,891.782 km
Eccentricity
0.00018
Inclination
53.0503°
RAAN
295.9598°
Arg. of periapsis
159.8887°
True anomaly
200.21072°
Mean anomaly
200.2177°
Eccentric anomaly
200.21421°
Mean motion
3.79355 °/min
Orbital period
94.9 mins
BSTAR
0.00096164
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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 | 2026-05-09 20:00:58.138Z | 326.823° NNW | 2026-05-09 20:03:58.138Z | 32.951° NE | 31.486° | 2026-05-09 20:06:58.138Z | 97.513° ESE |
| 5 mins | 2026-05-09 21:40:58.138Z | 270.311° WNW | 2026-05-09 21:42:58.138Z | 218.028° SW | 25.933° | 2026-05-09 21:45:58.138Z | 167.63° S |
| 6 mins | 2026-05-10 13:05:58.138Z | 194.26° SSW | 2026-05-10 13:07:58.138Z | 150.626° SSE | 31.699° | 2026-05-10 13:11:58.138Z | 64.194° ENE |
| 5 mins | 2026-05-10 14:44:58.138Z | 278.665° WNW | 2026-05-10 14:46:58.138Z | 323.145° NNW | 27.095° | 2026-05-10 14:49:58.138Z | 28.517° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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