STARLINK-31556, 59544
Orbit data source: Space-Track
STARLINK-31556, 59544 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 18 Apr 2024 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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59544 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-31556
1 59544U 24074L 26171.22353674 .00000669 00000-0 33818-4 0 9991
2 59544 43.0012 124.6327 0001145 270.9499 89.1221 15.27577700121698Epoch: 2026-06-20T05:21Z
TLE epoch observation values (Epoch: 2026-06-20T05:21:53.574Z)
Latitude
-0.00004°
Longitude
135.71819°
Altitude
482.82 km
Speed
7.626 km/s
True Right ascension
08h 18m 31s
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
21:25:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.787 km
Perigee altitude
484.215 km
Semi-major axis
6,863.138 km
Eccentricity
0.00011
Inclination
43.0012°
RAAN
124.6327°
Arg. of periapsis
270.9499°
True anomaly
89.13522°
Mean anomaly
89.1221°
Eccentric anomaly
89.12866°
Mean motion
3.81732 °/min
Orbital period
94.31 mins
BSTAR
0.000033818
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Other satellites on launch #74 in the year 2024 (2024-04-18 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-31556 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 | 2026-06-22 23:29:09.047Z | 223.635° SW | 2026-06-22 23:32:09.047Z | 158.223° S | 35.347° | 2026-06-22 23:35:09.047Z | 82.874° E |
| 5 mins | 2026-06-23 01:09:09.047Z | 275.435° WNW | 2026-06-23 01:11:09.047Z | 347.727° N | 41.317° | 2026-06-23 01:14:09.047Z | 68.828° E |
| 5 mins | 2026-06-23 02:48:09.047Z | 295.069° NW | 2026-06-23 02:50:09.047Z | 349.421° N | 39.277° | 2026-06-23 02:53:09.047Z | 83.358° E |
| 5 mins | 2026-06-23 04:27:09.047Z | 277.485° WNW | 2026-06-23 04:29:09.047Z | 223.691° SW | 39.808° | 2026-06-23 04:32:09.047Z | 128.82° SE |
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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