STARLINK-5738, 55573
Orbit data source: Space-Track
STARLINK-5738, 55573 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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55573 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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-5738
1 55573U 23020E 26264.25875171 .00000243 00000-0 18351-4 0 9999
2 55573 43.0046 344.0536 0001200 268.9818 91.0896 15.27576378198781Epoch: 2026-09-21T06:12Z
TLE epoch observation values (Epoch: 2026-09-21T06:12:36.147Z)
Latitude
-0.00004°
Longitude
-109.23821°
Altitude
482.852 km
Speed
7.626 km/s
True Right ascension
22h 56m 12s
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
06:00:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.828 km
Perigee altitude
484.181 km
Semi-major axis
6,863.141 km
Eccentricity
0.00012
Inclination
43.0046°
RAAN
344.0536°
Arg. of periapsis
268.9818°
True anomaly
91.10335°
Mean anomaly
91.0896°
Eccentric anomaly
91.09647°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000018351
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Other satellites on launch #20 in the year 2023 (2023-02-12 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-5738 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-09-21 14:33:12.543Z | 264.075° W | 2026-09-21 14:35:12.543Z | 199.014° SSW | 40.415° | 2026-09-21 14:38:12.543Z | 139.787° SSE |
| 5 mins | 2026-09-22 09:08:12.543Z | 230.886° WSW | 2026-09-22 09:10:12.543Z | 147.217° SSE | 64.382° | 2026-09-22 09:13:12.543Z | 76.365° E |
| 5 mins | 2026-09-22 10:47:12.543Z | 285.397° WNW | 2026-09-22 10:49:12.543Z | 357.285° N | 54.106° | 2026-09-22 10:52:12.543Z | 69.761° E |
| 5 mins | 2026-09-22 12:26:12.543Z | 295.577° NW | 2026-09-22 12:28:12.543Z | 354.321° N | 62.337° | 2026-09-22 12:31:12.543Z | 91.209° 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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