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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-5656
1 55451U 23015C 26132.80631988 .00001578 00000-0 66875-4 0 9995
2 55451 43.0058 326.9884 0001787 262.6277 97.4371 15.27575273180528Epoch: 2026-05-12T19:21Z
TLE epoch observation values (Epoch: 2026-05-12T19:21:06.037Z)
Latitude
-0.00007°
Longitude
166.13776°
Altitude
482.998 km
Speed
7.626 km/s
True Right ascension
21h 47m 57s
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
11:17:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.234 km
Perigee altitude
483.781 km
Semi-major axis
6,863.144 km
Eccentricity
0.00018
Inclination
43.0058°
RAAN
326.9884°
Arg. of periapsis
262.6277°
True anomaly
97.4574°
Mean anomaly
97.4371°
Eccentric anomaly
97.44725°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000066875
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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 | 2026-05-13 15:56:47.460Z | 211.326° SW | 2026-05-13 15:59:47.460Z | 153.066° SSE | 27.877° | 2026-05-13 16:02:47.460Z | 88.599° E |
| 5 mins | 2026-05-13 17:36:47.460Z | 264.955° W | 2026-05-13 17:38:47.460Z | 1.737° NNE | 43.631° | 2026-05-13 17:41:47.460Z | 69.745° E |
| 5 mins | 2026-05-13 19:15:47.460Z | 294.709° NW | 2026-05-13 19:17:47.460Z | 356.811° N | 38.255° | 2026-05-13 19:20:47.460Z | 77.779° E |
| 5 mins | 2026-05-13 20:54:47.460Z | 284.733° WNW | 2026-05-13 20:56:47.460Z | 241.451° WSW | 44.027° | 2026-05-13 20:59:47.460Z | 115.758° 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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