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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-1554
1 46055U 20055AE 26039.88736735 .00001692 00000-0 13252-3 0 9993
2 46055 53.0545 245.9173 0001496 82.7609 277.3550 15.06391793304692Epoch: 2026-02-08T21:17Z
TLE epoch observation values (Epoch: 2026-02-08T21:17:48.539Z)
Latitude
0°
Longitude
147.47496°
Altitude
547.983 km
Speed
7.589 km/s
True Right ascension
16h 23m 40s
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
18:12:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.544 km
Perigee altitude
546.471 km
Semi-major axis
6,925.644 km
Eccentricity
0.00015
Inclination
53.0545°
RAAN
245.9173°
Arg. of periapsis
82.7609°
True anomaly
277.338°
Mean anomaly
277.355°
Eccentric anomaly
277.3465°
Mean motion
3.76576 °/min
Orbital period
95.6 mins
BSTAR
0.00013252
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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 | 2026-02-09 16:35:44.824Z | 238.652° WSW | 2026-02-09 16:38:44.824Z | 299.202° NW | 43.234° | 2026-02-09 16:42:44.824Z | 46.399° ENE |
| 4 mins | 2026-02-09 18:17:44.824Z | 316.853° NNW | 2026-02-09 18:18:44.824Z | 335.377° NNW | 17.839° | 2026-02-09 18:21:44.824Z | 24.866° NE |
| 5 mins | 2026-02-09 21:38:44.824Z | 346.316° N | 2026-02-09 21:40:44.824Z | 27.394° NE | 21.807° | 2026-02-09 21:43:44.824Z | 77.119° E |
| 6 mins | 2026-02-09 23:17:44.824Z | 303.772° NW | 2026-02-09 23:20:44.824Z | 186.332° SSW | 42.994° | 2026-02-09 23:23:44.824Z | 139.438° SSE |
| 4 mins | 2026-02-10 14:51:44.824Z | 160.615° S | 2026-02-10 14:53:44.824Z | 121.202° SE | 19.655° | 2026-02-10 14:55:44.824Z | 86.927° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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