STARLINK-5646, 55461
Orbit data source: Space-Track
STARLINK-5646, 55461 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Feb 2023 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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55461 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
305 kg wet, ~290 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-5646
1 55461U 23015N 26035.32908514 .00000457 00000-0 48928-4 0 9991
2 55461 43.0041 147.4397 0001460 272.6578 87.4097 15.02535824165730Epoch: 2026-02-04T07:53Z
TLE epoch observation values (Epoch: 2026-02-04T07:53:52.956Z)
Latitude
-0.00002°
Longitude
-105.5282°
Altitude
558.813 km
Speed
7.584 km/s
True Right ascension
09h 49m 45s
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
03:02:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
562.016 km
Perigee altitude
559.99 km
Semi-major axis
6,939.14 km
Eccentricity
0.00015
Inclination
43.0041°
RAAN
147.4397°
Arg. of periapsis
272.6578°
True anomaly
87.42641°
Mean anomaly
87.4097°
Eccentric anomaly
87.41806°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000048928
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Other satellites on launch #15 in the year 2023 (2023-02-02 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-5646 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-02-05 09:36:30.654Z | 180.797° SSW | 2026-02-05 09:38:30.654Z | 147.503° SSE | 18.532° | 2026-02-05 09:41:30.654Z | 98.85° ESE |
| 6 mins | 2026-02-05 11:16:30.654Z | 240.805° WSW | 2026-02-05 11:18:30.654Z | 215.089° SW | 42.373° | 2026-02-05 11:22:30.654Z | 73.957° E |
| 6 mins | 2026-02-05 12:57:30.654Z | 285.879° WNW | 2026-02-05 12:59:30.654Z | 336.718° NNW | 39.212° | 2026-02-05 13:03:30.654Z | 74.149° E |
| 6 mins | 2026-02-05 14:38:30.654Z | 293.114° NW | 2026-02-05 14:40:30.654Z | 340.799° N | 43.482° | 2026-02-05 14:44:30.654Z | 99.757° ESE |
| 6 mins | 2026-02-05 16:18:30.654Z | 269.736° W | 2026-02-05 16:21:30.654Z | 202.68° SW | 30.051° | 2026-02-05 16:24:30.654Z | 148.347° SSE |
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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