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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK V2M, Unknown motor
Mass
730 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
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 25259.18566660 -.00000057 00000-0 74331-5 0 9995
2 59521 42.9971 223.8509 0001207 269.8931 90.1783 15.27570240 79482Epoch: 2025-09-16T04:27Z
TLE epoch observation values (Epoch: 2025-09-16T04:27:21.594Z)
Latitude
0.00004°
Longitude
161.63138°
Altitude
482.856 km
Speed
7.626 km/s
True Right ascension
14h 55m 24s
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
14:35:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.852 km
Perigee altitude
484.196 km
Semi-major axis
6,863.161 km
Eccentricity
0.00012
Inclination
42.9971°
RAAN
223.8509°
Arg. of periapsis
269.8931°
True anomaly
90.19213°
Mean anomaly
90.1783°
Eccentric anomaly
90.18522°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
0.0000074331
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-09-18 00:35:53.147Z | 221.823° SW | 2025-09-18 00:38:53.147Z | 169.19° S | 32.59° | 2025-09-18 00:41:53.147Z | 86.554° E |
| 5 mins | 2025-09-18 02:15:53.147Z | 271.049° WNW | 2025-09-18 02:17:53.147Z | 321.845° NNW | 41.337° | 2025-09-18 02:20:53.147Z | 67.919° E |
| 6 mins | 2025-09-18 03:54:53.147Z | 292.996° NW | 2025-09-18 03:56:53.147Z | 334.229° NNW | 37.501° | 2025-09-18 04:00:53.147Z | 84.885° E |
| 6 mins | 2025-09-18 05:33:53.147Z | 280.958° WNW | 2025-09-18 05:36:53.147Z | 161.926° S | 39.587° | 2025-09-18 05:39:53.147Z | 123.011° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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