STARLINK-31055, 58539
Orbit data source: Space-Track
STARLINK-31055, 58539 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 08 Dec 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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58539 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: 3 days ago
TLE from 3 days ago
0 STARLINK-31055
1 58539U 23192J 26170.82082700 .00001537 00000-0 56601-4 0 9998
2 58539 53.1605 306.8258 0001184 79.6560 280.4576 15.34406540141641Epoch: 2026-06-19T19:41Z
TLE epoch observation values (Epoch: 2026-06-19T19:41:59.452Z)
Latitude
-0.00004°
Longitude
103.28374°
Altitude
463.438 km
Speed
7.636 km/s
True Right ascension
20h 27m 18s
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
21:30:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.751 km
Perigee altitude
462.131 km
Semi-major axis
6,841.078 km
Eccentricity
0.00012
Inclination
53.1605°
RAAN
306.8258°
Arg. of periapsis
79.656°
True anomaly
280.44426°
Mean anomaly
280.4576°
Eccentric anomaly
280.45093°
Mean motion
3.8358 °/min
Orbital period
93.85 mins
BSTAR
0.000056601
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Other satellites on launch #192 in the year 2023 (2023-12-08 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-31055 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 12:01:52.623Z | 281.146° WNW | 2026-06-22 12:03:52.623Z | 339.224° N | 27.356° | 2026-06-22 12:05:52.623Z | 24.921° NE |
| 5 mins | 2026-06-22 16:57:52.623Z | 342.454° N | 2026-06-22 16:59:52.623Z | 38.025° NE | 26.933° | 2026-06-22 17:02:52.623Z | 94.739° ESE |
| 4 mins | 2026-06-22 18:35:52.623Z | 270.582° WNW | 2026-06-22 18:36:52.623Z | 242.795° WSW | 27.749° | 2026-06-22 18:39:52.623Z | 167.748° S |
| 4 mins | 2026-06-23 09:50:52.623Z | 170.042° S | 2026-06-23 09:52:52.623Z | 120.515° SE | 22.305° | 2026-06-23 09:54:52.623Z | 80.887° 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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