STARLINK-31421, 59218
Orbit data source: Space-Track
STARLINK-31421, 59218 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Mon, 11 Mar 2024 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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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-31421
1 59218U 24046T 26171.34212784 .00001054 00000-0 42340-4 0 9996
2 59218 53.1606 36.6035 0000894 75.1792 284.9309 15.34377214128781Epoch: 2026-06-20T08:12Z
TLE epoch observation values (Epoch: 2026-06-20T08:12:39.845Z)
Latitude
-0.00006°
Longitude
4.8793°
Altitude
463.515 km
Speed
7.636 km/s
True Right ascension
02h 26m 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
21:30:48
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
463.639 km
Perigee altitude
462.416 km
Semi-major axis
6,841.165 km
Eccentricity
0.00009
Inclination
53.1606°
RAAN
36.6035°
Arg. of periapsis
75.1792°
True anomaly
284.921°
Mean anomaly
284.9309°
Eccentric anomaly
284.92595°
Mean motion
3.83573 °/min
Orbital period
93.85 mins
BSTAR
0.00004234
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Other satellites on launch #46 in the year 2024 (2024-03-11 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-31421 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 16:38:47.608Z | 205.205° SW | 2026-06-22 16:41:47.608Z | 144.983° SSE | 33.775° | 2026-06-22 16:44:47.608Z | 65.953° ENE |
| 5 mins | 2026-06-22 18:17:47.608Z | 285.352° WNW | 2026-06-22 18:19:47.608Z | 333.107° NNW | 23.8° | 2026-06-22 18:22:47.608Z | 30.368° NE |
| 5 mins | 2026-06-22 23:13:47.608Z | 334.991° NNW | 2026-06-22 23:15:47.608Z | 32.499° NE | 31.652° | 2026-06-22 23:18:47.608Z | 100.755° ESE |
| 4 mins | 2026-06-23 00:51:47.608Z | 266.489° W | 2026-06-23 00:53:47.608Z | 215.556° SW | 22.043° | 2026-06-23 00:55:47.608Z | 178.077° S |
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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