STARLINK-31404, 59521
Orbit data source: Space-Track
STARLINK-31404, 59521 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 17 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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59521 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-31404
1 59521U 24073L 26171.16260330 -.00001059 00000-0 -28925-4 0 9993
2 59521 43.0003 99.6361 0000964 259.2370 100.8373 15.27616190121841Epoch: 2026-06-20T03:54Z
TLE epoch observation values (Epoch: 2026-06-20T03:54:08.925Z)
Latitude
-0.00001°
Longitude
132.71772°
Altitude
482.841 km
Speed
7.626 km/s
True Right ascension
06h 38m 32s
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
15:34:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.547 km
Perigee altitude
484.224 km
Semi-major axis
6,863.023 km
Eccentricity
0.0001
Inclination
43.0003°
RAAN
99.6361°
Arg. of periapsis
259.237°
True anomaly
100.84815°
Mean anomaly
100.8373°
Eccentric anomaly
100.84272°
Mean motion
3.81742 °/min
Orbital period
94.3 mins
BSTAR
-0.000028925
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Other satellites on launch #73 in the year 2024 (2024-04-17 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-31404 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 22:03:18.210Z | 219.59° SW | 2026-06-22 22:05:18.210Z | 132.242° SE | 38.282° | 2026-06-22 22:08:18.210Z | 78.109° E |
| 6 mins | 2026-06-22 23:41:18.210Z | 275.806° WNW | 2026-06-22 23:44:18.210Z | 18.124° NNE | 39.126° | 2026-06-22 23:47:18.210Z | 70.653° E |
| 5 mins | 2026-06-23 01:21:18.210Z | 298.048° NW | 2026-06-23 01:23:18.210Z | 21.065° NNE | 40.725° | 2026-06-23 01:26:18.210Z | 88.963° E |
| 5 mins | 2026-06-23 03:00:18.210Z | 268.725° W | 2026-06-23 03:02:18.210Z | 195.333° SSW | 36.542° | 2026-06-23 03:05:18.210Z | 133.538° 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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