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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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 26091.50001156 -.00010884 00000-0 -39649-3 0 9995
2 55461 43.0010 199.7348 0001878 272.4730 47.8064 15.26751785 5631Epoch: 2026-04-01T12:00Z
TLE epoch observation values (Epoch: 2026-04-01T12:00:00.998Z)
Latitude
-25.9992°
Longitude
158.52933°
Altitude
491.176 km
Speed
7.62 km/s
True Right ascension
11h 13m 34s
True Declination
-25° 51' 31"
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
05:17:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
488.764 km
Perigee altitude
486.185 km
Semi-major axis
6,865.611 km
Eccentricity
0.00019
Inclination
43.001°
RAAN
199.7348°
Arg. of periapsis
272.473°
True anomaly
47.82235°
Mean anomaly
47.8064°
Eccentric anomaly
47.81437°
Mean motion
3.81526 °/min
Orbital period
94.36 mins
BSTAR
-0.00039649
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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 | 2026-04-02 10:22:00.055Z | 214.761° SW | 2026-04-02 10:25:00.055Z | 137.169° SSE | 31.588° | 2026-04-02 10:28:00.055Z | 82.685° E |
| 6 mins | 2026-04-02 12:01:00.055Z | 267.682° W | 2026-04-02 12:04:00.055Z | 27.474° NE | 40.913° | 2026-04-02 12:07:00.055Z | 70.142° E |
| 5 mins | 2026-04-02 13:41:00.055Z | 298.193° NW | 2026-04-02 13:43:00.055Z | 15.379° NNE | 38.894° | 2026-04-02 13:46:00.055Z | 82.184° E |
| 5 mins | 2026-04-02 15:20:00.055Z | 279.352° WNW | 2026-04-02 15:22:00.055Z | 198.955° SSW | 42.627° | 2026-04-02 15:25:00.055Z | 122.119° SE |
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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