STARLINK-5275, 55398
Orbit data source: Space-Track
STARLINK-5275, 55398 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 31 Jan 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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55398 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-5275
1 55398U 23014H 26171.41526125 .00000551 00000-0 53962-4 0 9993
2 55398 69.9992 165.4088 0003619 268.7308 91.3437 14.98324825187448Epoch: 2026-06-20T09:57Z
TLE epoch observation values (Epoch: 2026-06-20T09:57:58.572Z)
Latitude
-0°
Longitude
107.28454°
Altitude
574.556 km
Speed
7.574 km/s
True Right ascension
11h 01m 38s
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
21:30:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.535 km
Perigee altitude
567.506 km
Semi-major axis
6,948.157 km
Eccentricity
0.00036
Inclination
69.9992°
RAAN
165.4088°
Arg. of periapsis
268.7308°
True anomaly
91.38516°
Mean anomaly
91.3437°
Eccentric anomaly
91.36443°
Mean motion
3.74747 °/min
Orbital period
96.06 mins
BSTAR
0.000053962
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Other satellites on launch #14 in the year 2023 (2023-01-31 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-5275 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 | 2026-06-22 10:35:18.796Z | 329.422° NNW | 2026-06-22 10:38:18.796Z | 291.527° WNW | 41.456° | 2026-06-22 10:42:18.796Z | 166.21° S |
| 6 mins | 2026-06-23 00:36:18.796Z | 199.358° SSW | 2026-06-23 00:38:18.796Z | 178.814° S | 43.981° | 2026-06-23 00:42:18.796Z | 26.102° NE |
| 4 mins | 2026-06-23 09:00:18.796Z | 17.813° NNE | 2026-06-23 09:02:18.796Z | 48.832° ENE | 16.102° | 2026-06-23 09:04:18.796Z | 82.306° E |
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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