STARLINK-2406, 47821
Orbit data source: Space-Track
STARLINK-2406, 47821 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 11 Mar 2021 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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47821 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK, Unknown motor
Mass
260 kg wet, ~248 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 10.1 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 STARLINK-2406
1 47821U 21018AL 26248.08951658 .00001169 00000-0 49407-4 0 9993
2 47821 53.1592 128.0483 0000893 97.0254 263.0849 15.31703849304215Epoch: 2026-09-05T02:08Z
TLE epoch observation values (Epoch: 2026-09-05T02:08:54.232Z)
Latitude
-0.00002°
Longitude
111.61833°
Altitude
471.702 km
Speed
7.631 km/s
True Right ascension
08h 32m 11s
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
05:59:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.597 km
Perigee altitude
470.374 km
Semi-major axis
6,849.122 km
Eccentricity
0.00009
Inclination
53.1592°
RAAN
128.0483°
Arg. of periapsis
97.0254°
True anomaly
263.07474°
Mean anomaly
263.0849°
Eccentric anomaly
263.07982°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.000049407
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Other satellites on launch #18 in the year 2021 (2021-03-11 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-2406 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 | 2026-09-05 17:58:15.450Z | 178.572° S | 2026-09-05 18:00:15.450Z | 135.361° SSE | 23.391° | 2026-09-05 18:03:15.450Z | 75.281° E |
| 5 mins | 2026-09-05 19:36:15.450Z | 272.205° WNW | 2026-09-05 19:38:15.450Z | 334.049° NNW | 31.302° | 2026-09-05 19:41:15.450Z | 35.368° NE |
| 4 mins | 2026-09-06 00:33:15.450Z | 350.611° N | 2026-09-06 00:34:15.450Z | 15.123° NNE | 24.018° | 2026-09-06 00:37:15.450Z | 83.414° E |
| 5 mins | 2026-09-06 02:10:15.450Z | 289.35° WNW | 2026-09-06 02:12:15.450Z | 242.628° WSW | 32.563° | 2026-09-06 02:15:15.450Z | 160.06° 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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