STARLINK-5597, 55403
Orbit data source: Space-Track
STARLINK-5597, 55403 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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55403 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-5597
1 55403U 23014N 26171.35266426 -.00000082 00000-0 88847-6 0 9990
2 55403 70.0002 165.5913 0003118 271.2315 88.8487 14.98326621187430Epoch: 2026-06-20T08:27Z
TLE epoch observation values (Epoch: 2026-06-20T08:27:50.192Z)
Latitude
0.00002°
Longitude
130.06366°
Altitude
574.447 km
Speed
7.574 km/s
True Right ascension
11h 02m 21s
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
21:24:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.181 km
Perigee altitude
567.848 km
Semi-major axis
6,948.152 km
Eccentricity
0.00031
Inclination
70.0002°
RAAN
165.5913°
Arg. of periapsis
271.2315°
True anomaly
88.88442°
Mean anomaly
88.8487°
Eccentric anomaly
88.86656°
Mean motion
3.74748 °/min
Orbital period
96.06 mins
BSTAR
8.8847e-7
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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-5597 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-06-22 10:40:51.276Z | 327.519° NNW | 2026-06-22 10:44:51.276Z | 251.214° W | 40.443° | 2026-06-22 10:48:51.276Z | 170.334° S |
| 7 mins | 2026-06-23 00:41:51.276Z | 206.56° SW | 2026-06-23 00:44:51.276Z | 330.484° NNW | 44.74° | 2026-06-23 00:48:51.276Z | 23.053° NE |
| 4 mins | 2026-06-23 09:06:51.276Z | 21.515° NNE | 2026-06-23 09:08:51.276Z | 56.58° ENE | 18.058° | 2026-06-23 09:10:51.276Z | 90.473° ESE |
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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