STARLINK-5550, 56361
Orbit data source: Space-Track
STARLINK-5550, 56361 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Thu, 27 Apr 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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56361 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
300 kg wet, ~260 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-5550
1 56361U 23058AW 26171.42102392 .00000616 00000-0 46603-4 0 9995
2 56361 97.3350 170.3058 0002211 104.6977 255.4496 15.05654450173588Epoch: 2026-06-20T10:06Z
TLE epoch observation values (Epoch: 2026-06-20T10:06:16.466Z)
Latitude
-0.00001°
Longitude
110.1013°
Altitude
552.956 km
Speed
7.585 km/s
True Right ascension
11h 21m 13s
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
21:31:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.011 km
Perigee altitude
544.948 km
Semi-major axis
6,924.616 km
Eccentricity
0.00022
Inclination
97.335°
RAAN
170.3058°
Arg. of periapsis
104.6977°
True anomaly
255.42508°
Mean anomaly
255.4496°
Eccentric anomaly
255.43734°
Mean motion
3.7666 °/min
Orbital period
95.58 mins
BSTAR
0.000046603
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Other satellites on launch #58 in the year 2023 (2023-04-27 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-5550 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 | 2026-06-22 12:07:07.295Z | 37.303° NE | 2026-06-22 12:10:07.295Z | 88.342° E | 24.325° | 2026-06-22 12:13:07.295Z | 149.452° SSE |
| 4 mins | 2026-06-22 13:43:07.295Z | 326.593° NNW | 2026-06-22 13:45:07.295Z | 287.912° WNW | 19.184° | 2026-06-22 13:47:07.295Z | 251.597° W |
| 5 mins | 2026-06-23 00:27:07.295Z | 207.002° SW | 2026-06-23 00:29:07.295Z | 266.764° W | 32.775° | 2026-06-23 00:32:07.295Z | 329.209° NNW |
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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