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: 23 hours ago
TLE from 23 hours ago
0 STARLINK-2406
1 47821U 21018AL 25291.92484177 .00003157 00000-0 23073-3 0 9999
2 47821 53.0535 168.0373 0001450 96.4839 263.6315 15.06399598255229Epoch: 2025-10-18T22:11Z
TLE epoch observation values (Epoch: 2025-10-18T22:11:46.328Z)
Latitude
-0.00005°
Longitude
167.44535°
Altitude
548.203 km
Speed
7.589 km/s
True Right ascension
11h 12m 08s
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
16:03:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.488 km
Perigee altitude
546.479 km
Semi-major axis
6,925.621 km
Eccentricity
0.00015
Inclination
53.0535°
RAAN
168.0373°
Arg. of periapsis
96.4839°
True anomaly
263.61499°
Mean anomaly
263.6315°
Eccentric anomaly
263.62324°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.00023073
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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 | 2025-10-20 00:08:50.058Z | 341.208° N | 2025-10-20 00:10:50.058Z | 24.666° NE | 25.667° | 2025-10-20 00:13:50.058Z | 83.123° E |
| 6 mins | 2025-10-20 01:47:50.058Z | 294.846° NW | 2025-10-20 01:50:50.058Z | 212.714° SW | 37.207° | 2025-10-20 01:53:50.058Z | 152.799° SSE |
| 5 mins | 2025-10-20 17:21:50.058Z | 170.983° S | 2025-10-20 17:23:50.058Z | 120.622° SE | 26.146° | 2025-10-20 17:26:50.058Z | 71.246° E |
| 5 mins | 2025-10-20 19:00:50.058Z | 271.424° WNW | 2025-10-20 19:02:50.058Z | 325.465° NNW | 32.955° | 2025-10-20 19:05:50.058Z | 33.11° NE |
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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