STARLINK-5747, 55574
Orbit data source: Space-Track
STARLINK-5747, 55574 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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55574 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-5747
1 55574U 23020F 26264.29344542 .00000827 00000-0 39577-4 0 9998
2 55574 43.0043 344.3040 0001642 268.5744 91.4919 15.27579474198786Epoch: 2026-09-21T07:02Z
TLE epoch observation values (Epoch: 2026-09-21T07:02:33.684Z)
Latitude
-0.00005°
Longitude
-121.51176°
Altitude
482.856 km
Speed
7.626 km/s
True Right ascension
22h 57m 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
06:01:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.122 km
Perigee altitude
483.868 km
Semi-major axis
6,863.132 km
Eccentricity
0.00016
Inclination
43.0043°
RAAN
344.304°
Arg. of periapsis
268.5744°
True anomaly
91.51071°
Mean anomaly
91.4919°
Eccentric anomaly
91.5013°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.000039577
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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-5747 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-09-21 13:44:56.329Z | 287.165° WNW | 2026-09-21 13:48:56.329Z | 139.001° SSE | 69.276° | 2026-09-21 13:51:56.329Z | 114.657° SE |
| 5 mins | 2026-09-22 08:21:56.329Z | 196.102° SSW | 2026-09-22 08:23:56.329Z | 141.968° SSE | 31.508° | 2026-09-22 08:26:56.329Z | 86.24° E |
| 6 mins | 2026-09-22 09:59:56.329Z | 261.897° W | 2026-09-22 10:02:56.329Z | 36.256° NE | 64.284° | 2026-09-22 10:05:56.329Z | 70.062° E |
| 5 mins | 2026-09-22 11:39:56.329Z | 298.62° NW | 2026-09-22 11:41:56.329Z | 17.067° NNE | 50.649° | 2026-09-22 11:44:56.329Z | 78.554° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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