STARLINK-5503, 57257
Orbit data source: Space-Track
STARLINK-5503, 57257 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 07 Jul 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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57257 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: 1 day ago
TLE from 1 day ago
0 STARLINK-5503
1 57257U 23094AR 26142.20662557 .00000546 00000-0 29376-4 0 9998
2 57257 43.0038 324.6840 0001089 242.7996 117.2745 15.27579310159147Epoch: 2026-05-22T04:57Z
TLE epoch observation values (Epoch: 2026-05-22T04:57:32.449Z)
Latitude
0.00001°
Longitude
10.45801°
Altitude
483.169 km
Speed
7.625 km/s
True Right ascension
21h 38m 44s
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
01:16:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.743 km
Perigee altitude
484.248 km
Semi-major axis
6,863.133 km
Eccentricity
0.00011
Inclination
43.0038°
RAAN
324.684°
Arg. of periapsis
242.7996°
True anomaly
117.28559°
Mean anomaly
117.2745°
Eccentric anomaly
117.28005°
Mean motion
3.81733 °/min
Orbital period
94.31 mins
BSTAR
0.000029376
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Other satellites on launch #94 in the year 2023 (2023-07-07 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-5503 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 | 2026-05-23 17:21:55.201Z | 277.608° WNW | 2026-05-23 17:24:55.201Z | 354.351° N | 39.187° | 2026-05-23 17:27:55.201Z | 70.049° E |
| 5 mins | 2026-05-23 19:01:55.201Z | 294.715° NW | 2026-05-23 19:03:55.201Z | 350.189° N | 41.662° | 2026-05-23 19:06:55.201Z | 91.81° ESE |
| 5 mins | 2026-05-23 20:40:55.201Z | 267.879° W | 2026-05-23 20:42:55.201Z | 212.376° SW | 33.067° | 2026-05-23 20:45:55.201Z | 141.477° SSE |
| 5 mins | 2026-05-24 15:15:55.201Z | 231.697° WSW | 2026-05-24 15:17:55.201Z | 177.764° S | 41.146° | 2026-05-24 15:20:55.201Z | 78.053° 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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