STARLINK-5735, 55603

Orbit data source: Space-Track

STARLINK-5735, 55603 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 Feb 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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Identifier
55603, 2023-020AL
Orbit
LEO
Country
Flag of USUS
Related business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
2023-02-12 (3 years ago)
Launch vehicle
FALCON 9
Launch site
Air Force Eastern Test Range (AFETR)
Object type
Payload
Rocket body
Debris
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago
0 STARLINK-5735
1 55603U 23020AL  26171.29644382  .00000474  00000-0  26743-4 0  9992
2 55603  43.0031 134.5986 0001718 272.2259  87.8396 15.27580040184730
Epoch: 2026-06-20T07:06Z
TLE epoch observation values (Epoch: 2026-06-20T07:06:52.746Z)
Latitude
Longitude
119.36573°
Altitude
482.781 km
Speed
7.626 km/s
True Right ascension
08h 58m 23s
True Declination
0° 00' 00"
Sunlit
Object was in daylight at epoch
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
N/A
Visualization observer readout
Local Sidereal Time
23:21:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.173 km
Perigee altitude
483.815 km
Semi-major axis
6,863.131 km
Eccentricity
0.00017
Inclination
43.0031°
RAAN
134.5986°
Arg. of periapsis
272.2259°
True anomaly
87.85927°
Mean anomaly
87.8396°
Eccentric anomaly
87.84944°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.000026743
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