STARLINK-2427, 47837
Orbit data source: Space-Track
STARLINK-2427, 47837 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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47837 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: 2 days ago
TLE from 2 days ago
0 STARLINK-2427
1 47837U 21018BC 26171.18639649 -.00000571 00000-0 -66446-5 0 9990
2 47837 53.1597 122.1893 0001396 77.5767 282.5390 15.31698505292471Epoch: 2026-06-20T04:28Z
TLE epoch observation values (Epoch: 2026-06-20T04:28:24.656Z)
Latitude
-0.00008°
Longitude
146.68187°
Altitude
471.437 km
Speed
7.632 km/s
True Right ascension
08h 08m 45s
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
21:42:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.957 km
Perigee altitude
470.045 km
Semi-major axis
6,849.138 km
Eccentricity
0.00014
Inclination
53.1597°
RAAN
122.1893°
Arg. of periapsis
77.5767°
True anomaly
282.52338°
Mean anomaly
282.539°
Eccentric anomaly
282.53119°
Mean motion
3.82903 °/min
Orbital period
94.02 mins
BSTAR
-0.0000066446
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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-2427 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 22:24:37.474Z | 213.826° SW | 2026-06-22 22:27:37.474Z | 155.434° SSE | 39.361° | 2026-06-22 22:30:37.474Z | 60.448° ENE |
| 4 mins | 2026-06-23 00:04:37.474Z | 303.159° NW | 2026-06-23 00:05:37.474Z | 326.496° NNW | 21.047° | 2026-06-23 00:08:37.474Z | 25.792° NE |
| 5 mins | 2026-06-23 05:00:37.474Z | 331.66° NNW | 2026-06-23 05:02:37.474Z | 45.087° ENE | 36.564° | 2026-06-23 05:05:37.474Z | 109.74° ESE |
| 4 mins | 2026-06-23 06:38:37.474Z | 260.543° W | 2026-06-23 06:39:37.474Z | 240.182° WSW | 17.99° | 2026-06-23 06:42:37.474Z | 184.695° SSW |
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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