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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 STARLINK-1554
1 46055U 20055AE 25260.91457257 .00000855 00000-0 76279-4 0 9990
2 46055 53.0533 172.2345 0001336 92.7596 267.3546 15.06397401282995Epoch: 2025-09-17T21:56Z
TLE epoch observation values (Epoch: 2025-09-17T21:56:59.07Z)
Latitude
0.00001°
Longitude
-154.0953°
Altitude
548.141 km
Speed
7.589 km/s
True Right ascension
11h 28m 56s
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
22:00:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.416 km
Perigee altitude
546.565 km
Semi-major axis
6,925.627 km
Eccentricity
0.00013
Inclination
53.0533°
RAAN
172.2345°
Arg. of periapsis
92.7596°
True anomaly
267.33931°
Mean anomaly
267.3546°
Eccentric anomaly
267.34695°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.000076279
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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 | 2025-09-18 20:24:20.509Z | 208.015° SW | 2025-09-18 20:27:20.509Z | 149.712° SSE | 37.485° | 2025-09-18 20:31:20.509Z | 60.043° ENE |
| 5 mins | 2025-09-18 22:05:20.509Z | 288.932° WNW | 2025-09-18 22:07:20.509Z | 334.237° NNW | 25.476° | 2025-09-18 22:10:20.509Z | 29.481° NE |
| 4 mins | 2025-09-19 01:27:20.509Z | 350.39° N | 2025-09-19 01:28:20.509Z | 7.149° NNE | 15.759° | 2025-09-19 01:31:20.509Z | 55.056° ENE |
| 6 mins | 2025-09-19 03:06:20.509Z | 323.439° NNW | 2025-09-19 03:09:20.509Z | 51.456° ENE | 38.059° | 2025-09-19 03:12:20.509Z | 110.106° ESE |
| 5 mins | 2025-09-19 04:46:20.509Z | 268.775° W | 2025-09-19 04:48:20.509Z | 230.882° WSW | 20.314° | 2025-09-19 04:51:20.509Z | 181.885° SSW |
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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