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: 1 day ago
TLE from 1 day ago
0 STARLINK-5646
1 55461U 23015N 25303.00550637 .00000434 00000-0 47205-4 0 9994
2 55461 43.0044 316.2701 0001191 266.0031 94.0675 15.02537160151095Epoch: 2025-10-30T00:07Z
TLE epoch observation values (Epoch: 2025-10-30T00:07:55.750Z)
Latitude
-0.00003°
Longitude
-84.28273°
Altitude
558.913 km
Speed
7.584 km/s
True Right ascension
21h 05m 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
19:50:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.826 km
Perigee altitude
560.173 km
Semi-major axis
6,939.136 km
Eccentricity
0.00012
Inclination
43.0044°
RAAN
316.2701°
Arg. of periapsis
266.0031°
True anomaly
94.08111°
Mean anomaly
94.0675°
Eccentric anomaly
94.07431°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000047205
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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 | 2025-10-31 03:25:44.477Z | 197.965° SSW | 2025-10-31 03:28:44.477Z | 151.915° SSE | 21.762° | 2025-10-31 03:31:44.477Z | 97.406° ESE |
| 6 mins | 2025-10-31 05:06:44.477Z | 248.396° W | 2025-10-31 05:09:44.477Z | 83.313° E | 43.907° | 2025-10-31 05:12:44.477Z | 72.433° E |
| 6 mins | 2025-10-31 06:47:44.477Z | 287.216° WNW | 2025-10-31 06:50:44.477Z | 27.656° NE | 38.035° | 2025-10-31 06:53:44.477Z | 75.222° E |
| 6 mins | 2025-10-31 08:28:44.477Z | 290.48° WNW | 2025-10-31 08:30:44.477Z | 309.409° NW | 43.267° | 2025-10-31 08:34:44.477Z | 104.5° ESE |
| 5 mins | 2025-10-31 10:09:44.477Z | 255.573° W | 2025-10-31 10:11:44.477Z | 209.023° SW | 26.38° | 2025-10-31 10:14:44.477Z | 155.746° 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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