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, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 STARLINK-1542
1 46073U 20055AY 25351.60524431 .00002866 00000-0 21117-3 0 9990
2 46073 53.0553 105.1091 0000895 84.6089 275.5002 15.06405862296934Epoch: 2025-12-17T14:31Z
TLE epoch observation values (Epoch: 2025-12-17T14:31:33.108Z)
Latitude
-0.00002°
Longitude
160.74843°
Altitude
548.013 km
Speed
7.589 km/s
True Right ascension
07h 00m 26s
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
23:18:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.084 km
Perigee altitude
546.844 km
Semi-major axis
6,925.601 km
Eccentricity
0.00009
Inclination
53.0553°
RAAN
105.1091°
Arg. of periapsis
84.6089°
True anomaly
275.48999°
Mean anomaly
275.5002°
Eccentric anomaly
275.4951°
Mean motion
3.7658 °/min
Orbital period
95.6 mins
BSTAR
0.00021117
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-18 09:47:14.474Z | 198.793° SSW | 2025-12-18 09:50:14.474Z | 146.069° SSE | 31.3° | 2025-12-18 09:54:14.474Z | 65.222° ENE |
| 5 mins | 2025-12-18 11:28:14.474Z | 281.928° WNW | 2025-12-18 11:30:14.474Z | 333.648° NNW | 29.122° | 2025-12-18 11:33:14.474Z | 31.851° NE |
| 6 mins | 2025-12-18 16:29:14.474Z | 328.123° NNW | 2025-12-18 16:32:14.474Z | 44.794° NE | 33.423° | 2025-12-18 16:35:14.474Z | 101.535° ESE |
| 5 mins | 2025-12-18 18:09:14.474Z | 275.117° WNW | 2025-12-18 18:11:14.474Z | 232.298° WSW | 25.477° | 2025-12-18 18:14:14.474Z | 174.655° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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