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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-5656
1 55451U 23015C 26035.74460329 .00000714 00000-0 67953-4 0 9998
2 55451 43.0027 145.3996 0001331 265.6191 94.4499 15.02533884165799Epoch: 2026-02-04T17:52Z
TLE epoch observation values (Epoch: 2026-02-04T17:52:13.724Z)
Latitude
-0.00003°
Longitude
102.4356°
Altitude
558.936 km
Speed
7.584 km/s
True Right ascension
09h 41m 35s
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
03:02:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.933 km
Perigee altitude
560.086 km
Semi-major axis
6,939.147 km
Eccentricity
0.00013
Inclination
43.0027°
RAAN
145.3996°
Arg. of periapsis
265.6191°
True anomaly
94.46511°
Mean anomaly
94.4499°
Eccentric anomaly
94.4575°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000067953
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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 | 2026-02-05 10:00:31.186Z | 202.765° SW | 2026-02-05 10:03:31.186Z | 152.527° SSE | 24.997° | 2026-02-05 10:06:31.186Z | 94.199° ESE |
| 6 mins | 2026-02-05 11:41:31.186Z | 254.395° W | 2026-02-05 11:44:31.186Z | 55.798° ENE | 43.823° | 2026-02-05 11:47:31.186Z | 71.244° E |
| 6 mins | 2026-02-05 13:22:31.186Z | 289.195° WNW | 2026-02-05 13:25:31.186Z | 28.24° NE | 38.147° | 2026-02-05 13:28:31.186Z | 77.15° E |
| 6 mins | 2026-02-05 15:03:31.186Z | 288.214° WNW | 2026-02-05 15:05:31.186Z | 288.171° WNW | 43.54° | 2026-02-05 15:09:31.186Z | 109.324° ESE |
| 5 mins | 2026-02-05 16:44:31.186Z | 251.844° W | 2026-02-05 16:46:31.186Z | 209.382° SW | 23.081° | 2026-02-05 16:49:31.186Z | 160.728° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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