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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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: 1 day ago
TLE from 1 day ago
0 STARLINK-1504
1 45746U 20038S 26254.48520249 .00036960 00000-0 35754-3 0 9993
2 45746 53.0175 317.3668 0002827 47.4059 312.7194 15.66076968346500Epoch: 2026-09-11T11:38Z
TLE epoch observation values (Epoch: 2026-09-11T11:38:41.495Z)
Latitude
0.00003°
Longitude
152.18605°
Altitude
369.747 km
Speed
7.69 km/s
True Right ascension
21h 09m 28s
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
09:39:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
372.335 km
Perigee altitude
368.519 km
Semi-major axis
6,748.564 km
Eccentricity
0.00028
Inclination
53.0175°
RAAN
317.3668°
Arg. of periapsis
47.4059°
True anomaly
312.69559°
Mean anomaly
312.7194°
Eccentric anomaly
312.7075°
Mean motion
3.91495 °/min
Orbital period
91.96 mins
BSTAR
0.00035754
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-13 06:42:30.838Z | 232.949° WSW | 2026-09-13 06:45:30.838Z | 358.979° N | 77.1° | 2026-09-13 06:47:30.838Z | 46.792° ENE |
| 4 mins | 2026-09-13 13:09:30.838Z | 322.641° NNW | 2026-09-13 13:11:30.838Z | 88.29° E | 52.956° | 2026-09-13 13:13:30.838Z | 119.442° SE |
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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