STARLINK-5474, 55665
Orbit data source: Space-Track
STARLINK-5474, 55665 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Feb 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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55665 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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-5474
1 55665U 23021AP 26091.37538060 -.00000557 00000-0 -38869-4 0 9992
2 55665 69.9991 107.2185 0003293 264.4177 95.6606 14.98320669172677Epoch: 2026-04-01T09:00Z
TLE epoch observation values (Epoch: 2026-04-01T09:00:32.883Z)
Latitude
-0.0001°
Longitude
142.34234°
Altitude
574.735 km
Speed
7.574 km/s
True Right ascension
07h 08m 52s
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
23:17:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.321 km
Perigee altitude
567.745 km
Semi-major axis
6,948.17 km
Eccentricity
0.00033
Inclination
69.9991°
RAAN
107.2185°
Arg. of periapsis
264.4177°
True anomaly
95.69815°
Mean anomaly
95.6606°
Eccentric anomaly
95.67937°
Mean motion
3.74746 °/min
Orbital period
96.06 mins
BSTAR
-0.000038869
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Other satellites on launch #21 in the year 2023 (2023-02-17 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-5474 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 | 2026-04-02 02:47:34.594Z | 227.202° WSW | 2026-04-02 02:49:34.594Z | 275.541° WNW | 38.595° | 2026-04-02 02:53:34.594Z | 14.134° NNE |
| 6 mins | 2026-04-02 11:11:34.594Z | 9.571° NNE | 2026-04-02 11:13:34.594Z | 45.831° ENE | 23.629° | 2026-04-02 11:17:34.594Z | 115.866° SE |
| 5 mins | 2026-04-02 12:50:34.594Z | 289.433° WNW | 2026-04-02 12:52:34.594Z | 246.131° WSW | 22.923° | 2026-04-02 12:55:34.594Z | 199.189° SSW |
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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