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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-5738
1 55573U 23020E 26062.02578803 -.00000052 00000-0 11222-4 0 9991
2 55573 43.0052 41.1280 0001247 266.6294 93.4406 15.02534280167916Epoch: 2026-03-03T00:37Z
TLE epoch observation values (Epoch: 2026-03-03T00:37:08.085Z)
Latitude
-0.00001°
Longitude
-128.96647°
Altitude
558.915 km
Speed
7.584 km/s
True Right ascension
02h 44m 30s
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
13:10:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.873 km
Perigee altitude
560.143 km
Semi-major axis
6,939.145 km
Eccentricity
0.00012
Inclination
43.0052°
RAAN
41.128°
Arg. of periapsis
266.6294°
True anomaly
93.45486°
Mean anomaly
93.4406°
Eccentric anomaly
93.44773°
Mean motion
3.75478 °/min
Orbital period
95.88 mins
BSTAR
0.000011222
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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 | 2026-03-04 00:43:14.375Z | 186.334° SSW | 2026-03-04 00:46:14.375Z | 139.916° SSE | 17.653° | 2026-03-04 00:48:14.375Z | 106.865° ESE |
| 7 mins | 2026-03-04 02:23:14.375Z | 240.193° WSW | 2026-03-04 02:26:14.375Z | 171.498° S | 43.676° | 2026-03-04 02:30:14.375Z | 73.923° E |
| 7 mins | 2026-03-04 04:04:14.375Z | 280.843° WNW | 2026-03-04 04:07:14.375Z | 2.463° NNE | 39.839° | 2026-03-04 04:11:14.375Z | 74.958° E |
| 7 mins | 2026-03-04 05:45:14.375Z | 291.358° WNW | 2026-03-04 05:48:14.375Z | 34.822° NE | 43.443° | 2026-03-04 05:52:14.375Z | 99.025° ESE |
| 6 mins | 2026-03-04 07:26:14.375Z | 267.016° W | 2026-03-04 07:28:14.375Z | 224.162° SW | 30.873° | 2026-03-04 07:32:14.375Z | 144.026° SSE |
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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