STARLINK-5752, 55577
Orbit data source: Space-Track
STARLINK-5752, 55577 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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55577 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: 4 hours ago
TLE from 4 hours ago
0 STARLINK-5752
1 55577U 23020J 26264.28364757 .00001077 00000-0 48675-4 0 9997
2 55577 43.0047 340.7462 0001754 270.8308 89.2343 15.27575770198823Epoch: 2026-09-21T06:48Z
TLE epoch observation values (Epoch: 2026-09-21T06:48:27.150Z)
Latitude
0.00002°
Longitude
-121.5326°
Altitude
482.822 km
Speed
7.626 km/s
True Right ascension
22h 42m 59s
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
04:02:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.21 km
Perigee altitude
483.802 km
Semi-major axis
6,863.143 km
Eccentricity
0.00018
Inclination
43.0047°
RAAN
340.7462°
Arg. of periapsis
270.8308°
True anomaly
89.2544°
Mean anomaly
89.2343°
Eccentric anomaly
89.24435°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000048675
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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-5752 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-09-21 11:52:14.754Z | 288.088° WNW | 2026-09-21 11:55:14.754Z | 355.607° N | 51.446° | 2026-09-21 11:58:14.754Z | 77.218° E |
| 5 mins | 2026-09-21 13:32:14.754Z | 285.382° WNW | 2026-09-21 13:34:14.754Z | 248.497° W | 75.1° | 2026-09-21 13:37:14.754Z | 115.334° SE |
| 4 mins | 2026-09-22 08:08:14.754Z | 188.823° SSW | 2026-09-22 08:09:14.754Z | 162.134° S | 30.928° | 2026-09-22 08:12:14.754Z | 91.258° ESE |
| 5 mins | 2026-09-22 09:46:14.754Z | 263.388° W | 2026-09-22 09:48:14.754Z | 317.394° NNW | 71.188° | 2026-09-22 09:51:14.754Z | 68.77° 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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