STARLINK-1554, 46055
Orbit data source: Space-Track
STARLINK-1554, 46055 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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46055 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: 17 hours ago
TLE from 17 hours ago
0 STARLINK-1554
1 46055U 20055AE 25344.77706343 .00003981 00000-0 28599-3 0 9994
2 46055 53.0535 155.7612 0001904 100.0844 260.0360 15.06403101295634Epoch: 2025-12-10T18:38Z
TLE epoch observation values (Epoch: 2025-12-10T18:38:58.280Z)
Latitude
-0°
Longitude
156.27584°
Altitude
548.31 km
Speed
7.589 km/s
True Right ascension
10h 23m 02s
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
10:10:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.792 km
Perigee altitude
546.154 km
Semi-major axis
6,925.61 km
Eccentricity
0.00019
Inclination
53.0535°
RAAN
155.7612°
Arg. of periapsis
100.0844°
True anomaly
260.01451°
Mean anomaly
260.036°
Eccentric anomaly
260.02526°
Mean motion
3.76579 °/min
Orbital period
95.6 mins
BSTAR
0.00028599
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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-1554 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 | 2025-12-11 13:55:17.355Z | 211.944° SW | 2025-12-11 13:58:17.355Z | 160.905° S | 38.83° | 2025-12-11 14:02:17.355Z | 58.804° ENE |
| 5 mins | 2025-12-11 15:36:17.355Z | 288.819° WNW | 2025-12-11 15:38:17.355Z | 330.503° NNW | 24.345° | 2025-12-11 15:41:17.355Z | 27.373° NE |
| 4 mins | 2025-12-11 18:58:17.355Z | 348.022° N | 2025-12-11 19:00:17.355Z | 23.007° NE | 16.331° | 2025-12-11 19:02:17.355Z | 54.385° ENE |
| 6 mins | 2025-12-11 20:37:17.355Z | 320.802° NNW | 2025-12-11 20:40:17.355Z | 45.025° ENE | 39.949° | 2025-12-11 20:43:17.355Z | 112.558° SE |
| 4 mins | 2025-12-11 22:18:17.355Z | 253.228° W | 2025-12-11 22:19:17.355Z | 233.593° WSW | 18.71° | 2025-12-11 22:22:17.355Z | 185.44° SSW |
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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