STARLINK-31015, 58521
Orbit data source: Space-Track
STARLINK-31015, 58521 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 07 Dec 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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58521 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-31015
1 58521U 23191P 26171.46489775 .00016143 00000-0 59481-3 0 9999
2 58521 43.0046 242.6669 0002138 273.1431 86.9176 15.27583648141169Epoch: 2026-06-20T11:09Z
TLE epoch observation values (Epoch: 2026-06-20T11:09:27.165Z)
Latitude
-0.00003°
Longitude
166.62455°
Altitude
482.736 km
Speed
7.626 km/s
True Right ascension
16h 10m 40s
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
21:56:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
486.45 km
Perigee altitude
483.515 km
Semi-major axis
6,863.12 km
Eccentricity
0.00021
Inclination
43.0046°
RAAN
242.6669°
Arg. of periapsis
273.1431°
True anomaly
86.94206°
Mean anomaly
86.9176°
Eccentric anomaly
86.92983°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
0.00059481
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Other satellites on launch #191 in the year 2023 (2023-12-07 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-31015 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 | 2026-06-22 12:13:47.894Z | 287.195° WNW | 2026-06-22 12:17:47.894Z | 132.598° SE | 43.16° | 2026-06-22 12:20:47.894Z | 113.328° SE |
| 5 mins | 2026-06-23 06:50:47.894Z | 193.028° SSW | 2026-06-23 06:52:47.894Z | 140.789° SSE | 26° | 2026-06-23 06:55:47.894Z | 87.062° E |
| 6 mins | 2026-06-23 08:28:47.894Z | 259.813° W | 2026-06-23 08:31:47.894Z | 46.113° ENE | 41.79° | 2026-06-23 08:34:47.894Z | 70.725° E |
| 5 mins | 2026-06-23 10:08:47.894Z | 298.731° NW | 2026-06-23 10:10:47.894Z | 22.138° NNE | 37.445° | 2026-06-23 10:13:47.894Z | 78.541° 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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