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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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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-5656
1 55451U 23015C 26258.60983159 .00000283 00000-0 19840-4 0 9994
2 55451 43.0055 336.5180 0001966 294.8934 65.1713 15.27575522199762Epoch: 2026-09-15T14:38Z
TLE epoch observation values (Epoch: 2026-09-15T14:38:09.449Z)
Latitude
-0.00003°
Longitude
122.40528°
Altitude
482.272 km
Speed
7.626 km/s
True Right ascension
22h 26m 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
13:56:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.356 km
Perigee altitude
483.657 km
Semi-major axis
6,863.144 km
Eccentricity
0.0002
Inclination
43.0055°
RAAN
336.518°
Arg. of periapsis
294.8934°
True anomaly
65.19175°
Mean anomaly
65.1713°
Eccentric anomaly
65.18152°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.00001984
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-16 08:05:36.822Z | 193.943° SSW | 2026-09-16 08:07:36.822Z | 153.879° SSE | 24.792° | 2026-09-16 08:10:36.822Z | 93.783° ESE |
| 5 mins | 2026-09-16 09:44:36.822Z | 255.163° W | 2026-09-16 09:46:36.822Z | 2.805° NNE | 83.991° | 2026-09-16 09:49:36.822Z | 70.738° E |
| 5 mins | 2026-09-16 11:23:36.822Z | 292.44° WNW | 2026-09-16 11:25:36.822Z | 352.395° N | 50.566° | 2026-09-16 11:28:36.822Z | 73.531° E |
| 6 mins | 2026-09-16 13:02:36.822Z | 289.887° WNW | 2026-09-16 13:04:36.822Z | 306.691° NW | 75.166° | 2026-09-16 13:08:36.822Z | 107.028° ESE |
| 5 mins | 2026-09-16 14:41:36.822Z | 256.618° W | 2026-09-16 14:43:36.822Z | 212.644° SW | 24.715° | 2026-09-16 14:46:36.822Z | 158.421° S |
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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