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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-2427
1 47837U 21018BC 26120.25002315 -.00025520 00000-0 -87487-3 0 9993
2 47837 53.1519 359.0782 0001491 86.8937 182.5123 15.29362130 5790Epoch: 2026-04-30T06:00Z
TLE epoch observation values (Epoch: 2026-04-30T06:00:02.000Z)
Latitude
-53.29968°
Longitude
-40.11885°
Altitude
497.278 km
Speed
7.615 km/s
True Right ascension
17h 52m 21s
True Declination
-53° 07' 43"
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
22:56:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.998 km
Perigee altitude
476.953 km
Semi-major axis
6,856.113 km
Eccentricity
0.00015
Inclination
53.1519°
RAAN
359.0782°
Arg. of periapsis
86.8937°
True anomaly
182.51155°
Mean anomaly
182.5123°
Eccentric anomaly
182.51193°
Mean motion
3.82319 °/min
Orbital period
94.16 mins
BSTAR
-0.00087487
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-04-30 17:31:28.932Z | 168.919° S | 2026-04-30 17:33:28.932Z | 134.841° SE | 16.597° | 2026-04-30 17:35:28.932Z | 95.975° ESE |
| 5 mins | 2026-04-30 19:09:28.932Z | 254.81° W | 2026-04-30 19:11:28.932Z | 325.498° NNW | 38.912° | 2026-04-30 19:14:28.932Z | 40.024° NE |
| 4 mins | 2026-05-01 00:06:28.932Z | 343.736° N | 2026-05-01 00:08:28.932Z | 25.468° NE | 20.521° | 2026-05-01 00:10:28.932Z | 67.137° ENE |
| 5 mins | 2026-05-01 01:44:28.932Z | 299.319° NW | 2026-05-01 01:46:28.932Z | 246.576° WSW | 41.231° | 2026-05-01 01:49:28.932Z | 144.499° SSE |
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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