STARLINK-1504, 45746
Orbit data source: Space-Track
STARLINK-1504, 45746 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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45746 intel report (Beta)
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Edit Public Description
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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-1504
1 45746U 20038S 25349.27726462 .00064918 00000-0 13463-2 0 9995
2 45746 53.0257 187.4061 0003626 104.6907 255.4501 15.45133882304426Epoch: 2025-12-15T06:39Z
TLE epoch observation values (Epoch: 2025-12-15T06:39:15.663Z)
Latitude
0.00003°
Longitude
3.41272°
Altitude
432.497 km
Speed
7.653 km/s
True Right ascension
12h 29m 37s
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
00:27:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
433.734 km
Perigee altitude
428.796 km
Semi-major axis
6,809.402 km
Eccentricity
0.00036
Inclination
53.0257°
RAAN
187.4061°
Arg. of periapsis
104.6907°
True anomaly
255.40989°
Mean anomaly
255.4501°
Eccentric anomaly
255.42999°
Mean motion
3.8626 °/min
Orbital period
93.2 mins
BSTAR
0.0013463
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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-1504 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 | 2025-12-16 15:24:40.946Z | 207.047° SW | 2025-12-16 15:27:40.946Z | 143.304° SSE | 34.151° | 2025-12-16 15:30:40.946Z | 64.485° ENE |
| 4 mins | 2025-12-16 17:03:40.946Z | 299.793° NW | 2025-12-16 17:04:40.946Z | 326.123° NNW | 22.044° | 2025-12-16 17:07:40.946Z | 28.409° NE |
| 5 mins | 2025-12-16 21:56:40.946Z | 333.388° NNW | 2025-12-16 21:58:40.946Z | 30.577° NE | 31.023° | 2025-12-16 22:01:40.946Z | 101.319° 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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