STARLINK-5691, 55478
Orbit data source: Space-Track
STARLINK-5691, 55478 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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55478 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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-5691
1 55478U 23015AF 25303.03129341 -.00000404 00000-0 -14878-4 0 9998
2 55478 43.0037 303.4498 0000863 260.9781 99.0963 15.02537429151246Epoch: 2025-10-30T00:45Z
TLE epoch observation values (Epoch: 2025-10-30T00:45:03.750Z)
Latitude
-0.00007°
Longitude
-106.41182°
Altitude
558.948 km
Speed
7.584 km/s
True Right ascension
20h 13m 47s
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
12:07:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.597 km
Perigee altitude
560.4 km
Semi-major axis
6,939.135 km
Eccentricity
0.00009
Inclination
43.0037°
RAAN
303.4498°
Arg. of periapsis
260.9781°
True anomaly
99.10606°
Mean anomaly
99.0963°
Eccentric anomaly
99.10118°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
-0.000014878
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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-5691 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 | 2025-10-31 02:27:37.682Z | 185.012° SSW | 2025-10-31 02:29:37.682Z | 152.572° SSE | 19.225° | 2025-10-31 02:32:37.682Z | 100.547° ESE |
| 6 mins | 2025-10-31 04:07:37.682Z | 243.432° WSW | 2025-10-31 04:10:37.682Z | 110.023° ESE | 43.833° | 2025-10-31 04:13:37.682Z | 73.729° E |
| 6 mins | 2025-10-31 05:48:37.682Z | 284.859° WNW | 2025-10-31 05:51:37.682Z | 24.577° NE | 38.423° | 2025-10-31 05:54:37.682Z | 73.676° E |
| 6 mins | 2025-10-31 07:29:37.682Z | 291.733° WNW | 2025-10-31 07:31:37.682Z | 317.692° NNW | 42.386° | 2025-10-31 07:35:37.682Z | 100.748° ESE |
| 5 mins | 2025-10-31 09:10:37.682Z | 259.725° W | 2025-10-31 09:12:37.682Z | 210.804° SW | 29.144° | 2025-10-31 09:15:37.682Z | 151.955° SSE |
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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