STARLINK-5656, 55451
Orbit data source: Space-Track
STARLINK-5656, 55451 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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55451 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: 10 hours ago
TLE from 10 hours ago
0 STARLINK-5656
1 55451U 23015C 25340.64862058 .00000915 00000-0 82801-4 0 9992
2 55451 43.0023 111.9420 0001281 263.2110 96.8587 15.02537687156750Epoch: 2025-12-06T15:34Z
TLE epoch observation values (Epoch: 2025-12-06T15:34:00.818Z)
Latitude
0.00003°
Longitude
162.76528°
Altitude
558.959 km
Speed
7.584 km/s
True Right ascension
07h 27m 46s
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
23:26:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.887 km
Perigee altitude
560.109 km
Semi-major axis
6,939.135 km
Eccentricity
0.00013
Inclination
43.0023°
RAAN
111.942°
Arg. of periapsis
263.211°
True anomaly
96.87327°
Mean anomaly
96.8587°
Eccentric anomaly
96.86599°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
0.000082801
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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-5656 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 | 2025-12-07 12:32:26.387Z | 227.291° WSW | 2025-12-07 12:35:26.387Z | 130.736° SE | 39.364° | 2025-12-07 12:38:26.387Z | 78.303° E |
| 6 mins | 2025-12-07 14:13:26.387Z | 278.27° WNW | 2025-12-07 14:15:26.387Z | 325.34° NNW | 40.23° | 2025-12-07 14:19:26.387Z | 71.526° E |
| 6 mins | 2025-12-07 15:54:26.387Z | 294.728° NW | 2025-12-07 15:56:26.387Z | 342.833° N | 41.249° | 2025-12-07 16:00:26.387Z | 91.452° ESE |
| 7 mins | 2025-12-07 17:34:26.387Z | 277.312° WNW | 2025-12-07 17:37:26.387Z | 205.944° SW | 37.188° | 2025-12-07 17:41:26.387Z | 132.572° 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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