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: 12 hours ago
TLE from 12 hours ago
0 STARLINK-5646
1 55461U 23015N 25352.39855594 -.00000055 00000-0 11000-4 0 9994
2 55461 43.0054 47.8811 0001369 267.3367 92.7318 15.02535009158522Epoch: 2025-12-18T09:33Z
TLE epoch observation values (Epoch: 2025-12-18T09:33:55.233Z)
Latitude
-0.00005°
Longitude
177.14627°
Altitude
558.906 km
Speed
7.584 km/s
True Right ascension
03h 11m 31s
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
20:05:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.956 km
Perigee altitude
560.056 km
Semi-major axis
6,939.143 km
Eccentricity
0.00014
Inclination
43.0054°
RAAN
47.8811°
Arg. of periapsis
267.3367°
True anomaly
92.74747°
Mean anomaly
92.7318°
Eccentric anomaly
92.73963°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000011
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-19 06:29:23.486Z | 196.924° SSW | 2025-12-19 06:32:23.486Z | 144.071° SSE | 23.223° | 2025-12-19 06:35:23.486Z | 92.85° ESE |
| 6 mins | 2025-12-19 08:10:23.486Z | 250.962° W | 2025-12-19 08:12:23.486Z | 251.319° W | 44.189° | 2025-12-19 08:16:23.486Z | 71.952° E |
| 6 mins | 2025-12-19 09:51:23.486Z | 290.839° WNW | 2025-12-19 09:53:23.486Z | 347.149° N | 39.155° | 2025-12-19 09:57:23.486Z | 77.247° E |
| 7 mins | 2025-12-19 11:31:23.486Z | 288.96° WNW | 2025-12-19 11:34:23.486Z | 336.931° NNW | 44.832° | 2025-12-19 11:38:23.486Z | 106.637° ESE |
| 6 mins | 2025-12-19 13:12:23.486Z | 262.886° W | 2025-12-19 13:14:23.486Z | 226.66° WSW | 24.526° | 2025-12-19 13:18:23.486Z | 155.217° 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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