STARLINK-5510, 55647
Orbit data source: Space-Track
STARLINK-5510, 55647 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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55647 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: 2 days ago
TLE from 2 days ago
0 STARLINK-5510
1 55647U 23021V 26171.35821203 .00000731 00000-0 69048-4 0 9998
2 55647 69.9994 285.4482 0003201 269.8070 90.2722 14.98326785184172Epoch: 2026-06-20T08:35Z
TLE epoch observation values (Epoch: 2026-06-20T08:35:49.519Z)
Latitude
-0.00004°
Longitude
-112.08213°
Altitude
574.501 km
Speed
7.574 km/s
True Right ascension
19h 01m 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
21:42:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.238 km
Perigee altitude
567.79 km
Semi-major axis
6,948.151 km
Eccentricity
0.00032
Inclination
69.9994°
RAAN
285.4482°
Arg. of periapsis
269.807°
True anomaly
90.30888°
Mean anomaly
90.2722°
Eccentric anomaly
90.29054°
Mean motion
3.74748 °/min
Orbital period
96.06 mins
BSTAR
0.000069048
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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-5510 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 | 2026-06-22 17:12:27.038Z | 10.117° NNE | 2026-06-22 17:15:27.038Z | 56.578° ENE | 17.353° | 2026-06-22 17:17:27.038Z | 89.573° E |
| 6 mins | 2026-06-22 18:51:27.038Z | 309.049° NW | 2026-06-22 18:53:27.038Z | 264.263° W | 32.209° | 2026-06-22 18:57:27.038Z | 183.035° SSW |
| 6 mins | 2026-06-23 08:51:27.038Z | 225.576° WSW | 2026-06-23 08:53:27.038Z | 278.001° WNW | 39.794° | 2026-06-23 08:57:27.038Z | 15.388° NNE |
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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