STARLINK-5218, 55636
Orbit data source: Space-Track
STARLINK-5218, 55636 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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55636 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-5218
1 55636U 23021J 26091.41338762 -.00000229 00000-0 -11410-4 0 9991
2 55636 69.9995 147.0976 0003302 271.2364 88.8417 14.98328492171703Epoch: 2026-04-01T09:55Z
TLE epoch observation values (Epoch: 2026-04-01T09:55:16.690Z)
Latitude
0.00001°
Longitude
168.50148°
Altitude
574.439 km
Speed
7.574 km/s
True Right ascension
09h 48m 23s
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
21:30:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.303 km
Perigee altitude
567.715 km
Semi-major axis
6,948.146 km
Eccentricity
0.00033
Inclination
69.9995°
RAAN
147.0976°
Arg. of periapsis
271.2364°
True anomaly
88.87953°
Mean anomaly
88.8417°
Eccentric anomaly
88.86062°
Mean motion
3.74748 °/min
Orbital period
96.06 mins
BSTAR
-0.00001141
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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-5218 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-04-02 05:17:25.558Z | 214.56° SW | 2026-04-02 05:20:25.558Z | 276.98° WNW | 42.479° | 2026-04-02 05:24:25.558Z | 18.524° NNE |
| 5 mins | 2026-04-02 13:42:25.558Z | 14.767° NNE | 2026-04-02 13:44:25.558Z | 50.585° ENE | 20.925° | 2026-04-02 13:47:25.558Z | 103.451° ESE |
| 6 mins | 2026-04-02 15:20:25.558Z | 305.17° NW | 2026-04-02 15:23:25.558Z | 240.46° WSW | 26.427° | 2026-04-02 15:26:25.558Z | 192.711° 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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