STARLINK-30259, 57521
Orbit data source: Space-Track
STARLINK-30259, 57521 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 08 Aug 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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57521 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2M, Unknown motor
Mass
730 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
33.884 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-30259
1 57521U 23115A 26171.29943747 -.00000208 00000-0 19737-5 0 9997
2 57521 43.0050 142.1545 0001446 271.6236 88.4450 15.27575555159267Epoch: 2026-06-20T07:11Z
TLE epoch observation values (Epoch: 2026-06-20T07:11:11.397Z)
Latitude
-0.00002°
Longitude
125.84094°
Altitude
482.812 km
Speed
7.626 km/s
True Right ascension
09h 28m 37s
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
21:32:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.999 km
Perigee altitude
484.014 km
Semi-major axis
6,863.144 km
Eccentricity
0.00014
Inclination
43.005°
RAAN
142.1545°
Arg. of periapsis
271.6236°
True anomaly
88.46156°
Mean anomaly
88.445°
Eccentric anomaly
88.45328°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.0000019737
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Other satellites on launch #115 in the year 2023 (2023-08-08 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-30259 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 23:42:40.086Z | 184.396° SSW | 2026-06-22 23:44:40.086Z | 148.784° SSE | 17.749° | 2026-06-22 23:46:40.086Z | 109.615° ESE |
| 5 mins | 2026-06-23 01:21:40.086Z | 242.422° WSW | 2026-06-23 01:23:40.086Z | 114.352° SE | 44.019° | 2026-06-23 01:26:40.086Z | 73.479° E |
| 5 mins | 2026-06-23 03:00:40.086Z | 290.516° WNW | 2026-06-23 03:02:40.086Z | 4.285° NNE | 38.199° | 2026-06-23 03:05:40.086Z | 72.402° E |
| 5 mins | 2026-06-23 04:39:40.086Z | 293.287° NW | 2026-06-23 04:41:40.086Z | 0.528° NNE | 43.737° | 2026-06-23 04:44:40.086Z | 99.029° ESE |
| 5 mins | 2026-06-23 06:18:40.086Z | 259.482° W | 2026-06-23 06:20:40.086Z | 206.391° SW | 27.6° | 2026-06-23 06:23:40.086Z | 148.935° 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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