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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Edit Public Description
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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-2406
1 47821U 21018AL 26035.22732510 .00008761 00000-0 31535-3 0 9994
2 47821 53.1604 38.1784 0001241 101.2571 258.8569 15.29380749271606Epoch: 2026-02-04T05:27Z
TLE epoch observation values (Epoch: 2026-02-04T05:27:20.888Z)
Latitude
-0.00002°
Longitude
-178.05558°
Altitude
478.726 km
Speed
7.627 km/s
True Right ascension
02h 32m 42s
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
20:09:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.769 km
Perigee altitude
477.068 km
Semi-major axis
6,856.056 km
Eccentricity
0.00012
Inclination
53.1604°
RAAN
38.1784°
Arg. of periapsis
101.2571°
True anomaly
258.84295°
Mean anomaly
258.8569°
Eccentric anomaly
258.84992°
Mean motion
3.82324 °/min
Orbital period
94.16 mins
BSTAR
0.00031535
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-02-05 01:59:58.683Z | 191.229° SSW | 2026-02-05 02:02:58.683Z | 127.3° SE | 26.718° | 2026-02-05 02:05:58.683Z | 70.241° E |
| 5 mins | 2026-02-05 03:38:58.683Z | 278.454° WNW | 2026-02-05 03:40:58.683Z | 336.976° NNW | 28.905° | 2026-02-05 03:43:58.683Z | 34.23° NE |
| 5 mins | 2026-02-05 08:35:58.683Z | 341.822° N | 2026-02-05 08:37:58.683Z | 34.987° NE | 27.045° | 2026-02-05 08:40:58.683Z | 93.154° ESE |
| 5 mins | 2026-02-05 10:13:58.683Z | 278.667° WNW | 2026-02-05 10:15:58.683Z | 220.839° SW | 29.532° | 2026-02-05 10:18:58.683Z | 162.117° 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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