STARLINK-6173, 56385
Orbit data source: Space-Track
STARLINK-6173, 56385 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 04 May 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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56385 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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-6173
1 56385U 23061M 26171.44290911 .00000213 00000-0 17267-4 0 9999
2 56385 43.0032 337.6710 0001265 264.0833 95.9875 15.27576072172463Epoch: 2026-06-20T10:37Z
TLE epoch observation values (Epoch: 2026-06-20T10:37:47.347Z)
Latitude
0.00003°
Longitude
-90.43371°
Altitude
482.927 km
Speed
7.626 km/s
True Right ascension
22h 30m 41s
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
21:27:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.874 km
Perigee altitude
484.137 km
Semi-major axis
6,863.142 km
Eccentricity
0.00013
Inclination
43.0032°
RAAN
337.671°
Arg. of periapsis
264.0833°
True anomaly
96.00192°
Mean anomaly
95.9875°
Eccentric anomaly
95.99471°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000017267
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Other satellites on launch #61 in the year 2023 (2023-05-04 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-6173 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 13:02:23.074Z | 179.249° S | 2026-06-22 13:04:23.074Z | 139.349° SSE | 18.3° | 2026-06-22 13:06:23.074Z | 103.123° ESE |
| 6 mins | 2026-06-22 14:40:23.074Z | 245.199° WSW | 2026-06-22 14:42:23.074Z | 224.732° SW | 43.187° | 2026-06-22 14:46:23.074Z | 72.892° E |
| 6 mins | 2026-06-22 16:19:23.074Z | 285.657° WNW | 2026-06-22 16:21:23.074Z | 328.128° NNW | 36.617° | 2026-06-22 16:25:23.074Z | 74.552° E |
| 6 mins | 2026-06-22 17:58:23.074Z | 291.038° WNW | 2026-06-22 18:01:23.074Z | 64.221° ENE | 42.781° | 2026-06-22 18:04:23.074Z | 100.763° ESE |
| 4 mins | 2026-06-22 19:38:23.074Z | 251.26° W | 2026-06-22 19:39:23.074Z | 225.465° WSW | 26.364° | 2026-06-22 19:42:23.074Z | 155.065° 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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