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, 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-1504
1 45746U 20038S 25260.36077585 .00047288 00000-0 13833-2 0 9994
2 45746 53.0318 247.8245 0006303 28.2057 331.9284 15.34803625290723Epoch: 2025-09-17T08:39Z
TLE epoch observation values (Epoch: 2025-09-17T08:39:31.033Z)
Latitude
-0.00005°
Longitude
121.40733°
Altitude
458.588 km
Speed
7.641 km/s
True Right ascension
16h 31m 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
03:22:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
466.093 km
Perigee altitude
457.47 km
Semi-major axis
6,839.919 km
Eccentricity
0.00063
Inclination
53.0318°
RAAN
247.8245°
Arg. of periapsis
28.2057°
True anomaly
331.89439°
Mean anomaly
331.9284°
Eccentric anomaly
331.9114°
Mean motion
3.83678 °/min
Orbital period
93.83 mins
BSTAR
0.0013833
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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 | 2025-09-19 01:27:22.476Z | 220.909° SW | 2025-09-19 01:30:22.476Z | 186.355° SSW | 40.925° | 2025-09-19 01:33:22.476Z | 56.729° ENE |
| 4 mins | 2025-09-19 03:07:22.476Z | 305.412° NW | 2025-09-19 03:08:22.476Z | 327.092° NNW | 18.876° | 2025-09-19 03:11:22.476Z | 24.861° NE |
| 4 mins | 2025-09-19 06:24:22.476Z | 343.457° N | 2025-09-19 06:26:22.476Z | 18.46° NNE | 14.336° | 2025-09-19 06:28:22.476Z | 53.09° ENE |
| 5 mins | 2025-09-19 08:02:22.476Z | 322.608° NNW | 2025-09-19 08:04:22.476Z | 20.295° NNE | 40.03° | 2025-09-19 08:07:22.476Z | 114.599° 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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