STARLINK-1542, 46073
Orbit data source: Space-Track
STARLINK-1542, 46073 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 07 Aug 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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46073 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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 STARLINK-1542
1 46073U 20055AY 25261.10808724 .00010504 00000-0 72315-3 0 9999
2 46073 53.0532 151.3706 0001277 81.8206 278.2928 15.06394235283295Epoch: 2025-09-18T02:35Z
TLE epoch observation values (Epoch: 2025-09-18T02:35:38.737Z)
Latitude
-0.00001°
Longitude
115.18477°
Altitude
547.981 km
Speed
7.589 km/s
True Right ascension
10h 05m 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
09:53:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.385 km
Perigee altitude
546.616 km
Semi-major axis
6,925.637 km
Eccentricity
0.00013
Inclination
53.0532°
RAAN
151.3706°
Arg. of periapsis
81.8206°
True anomaly
278.27832°
Mean anomaly
278.2928°
Eccentric anomaly
278.28556°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
0.00072315
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Other satellites on launch #55 in the year 2020 (2020-08-07 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-1542 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 | 2025-09-18 18:40:16.053Z | 187.392° SSW | 2025-09-18 18:43:16.053Z | 128.964° SE | 26.547° | 2025-09-18 18:46:16.053Z | 73.462° E |
| 6 mins | 2025-09-18 20:20:16.053Z | 268.034° W | 2025-09-18 20:22:16.053Z | 313.872° NW | 32.413° | 2025-09-18 20:26:16.053Z | 37.758° NE |
| 5 mins | 2025-09-19 01:22:16.053Z | 337.256° NNW | 2025-09-19 01:24:16.053Z | 24.494° NE | 29.831° | 2025-09-19 01:27:16.053Z | 90.872° ESE |
| 6 mins | 2025-09-19 03:01:16.053Z | 286.853° WNW | 2025-09-19 03:04:16.053Z | 216.375° SW | 30.252° | 2025-09-19 03:07:16.053Z | 163.222° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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