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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-5656
1 55451U 23015C 26083.50002314 .00066904 00000-0 31468-2 0 9994
2 55451 43.0002 244.9703 0000827 268.4892 262.3970 15.18707115 5815Epoch: 2026-03-24T12:00Z
TLE epoch observation values (Epoch: 2026-03-24T12:00:01.999Z)
Latitude
6.18759°
Longitude
56.34577°
Altitude
509.008 km
Speed
7.612 km/s
True Right ascension
03h 53m 19s
True Declination
6° 08' 58"
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
09:16:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
512.254 km
Perigee altitude
511.115 km
Semi-major axis
6,889.822 km
Eccentricity
0.00008
Inclination
43.0002°
RAAN
244.9703°
Arg. of periapsis
268.4892°
True anomaly
262.38761°
Mean anomaly
262.397°
Eccentric anomaly
262.3923°
Mean motion
3.79517 °/min
Orbital period
94.86 mins
BSTAR
0.0031468
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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 | 2026-03-25 14:19:46.582Z | 226.598° WSW | 2026-03-25 14:21:46.582Z | 153.323° SSE | 40.873° | 2026-03-25 14:24:46.582Z | 78.216° E |
| 6 mins | 2026-03-25 15:58:46.582Z | 278.261° WNW | 2026-03-25 16:01:46.582Z | 22.562° NE | 38.722° | 2026-03-25 16:04:46.582Z | 71.287° E |
| 6 mins | 2026-03-25 17:38:46.582Z | 293.979° NW | 2026-03-25 17:40:46.582Z | 336.568° NNW | 40.546° | 2026-03-25 17:44:46.582Z | 92.587° ESE |
| 5 mins | 2026-03-25 19:18:46.582Z | 266.911° W | 2026-03-25 19:20:46.582Z | 202.264° SSW | 35.202° | 2026-03-25 19:23:46.582Z | 137.883° SSE |
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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