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: 1 day ago
TLE from 1 day ago
0 STARLINK-1554
1 46055U 20055AE 25300.39097170 .00002391 00000-0 17936-3 0 9992
2 46055 53.0564 355.0184 0001262 91.1647 268.9487 15.06402151288940Epoch: 2025-10-27T09:22Z
TLE epoch observation values (Epoch: 2025-10-27T09:22:59.954Z)
Latitude
-0.00001°
Longitude
178.27509°
Altitude
548.1 km
Speed
7.589 km/s
True Right ascension
23h 40m 04s
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
07:56:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.349 km
Perigee altitude
546.601 km
Semi-major axis
6,925.612 km
Eccentricity
0.00013
Inclination
53.0564°
RAAN
355.0184°
Arg. of periapsis
91.1647°
True anomaly
268.93424°
Mean anomaly
268.9487°
Eccentric anomaly
268.94147°
Mean motion
3.76579 °/min
Orbital period
95.6 mins
BSTAR
0.00017936
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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 | 2025-10-28 12:56:33.407Z | 315.02° NNW | 2025-10-28 13:00:33.407Z | 78.658° E | 41.335° | 2025-10-28 13:03:33.407Z | 120.036° SE |
| 6 mins | 2025-10-29 06:09:33.407Z | 230.127° WSW | 2025-10-29 06:12:33.407Z | 43.096° NE | 44.168° | 2025-10-29 06:15:33.407Z | 49.757° ENE |
| 4 mins | 2025-10-29 07:50:33.407Z | 306.059° NW | 2025-10-29 07:52:33.407Z | 345.221° N | 19.497° | 2025-10-29 07:54:33.407Z | 19.806° NNE |
| 4 mins | 2025-10-29 11:12:33.407Z | 355.923° N | 2025-10-29 11:13:33.407Z | 15.749° NNE | 19.662° | 2025-10-29 11:16:33.407Z | 67.958° E |
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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