STARLINK-2543, 48278
Orbit data source: Space-Track
STARLINK-2543, 48278 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 29 Apr 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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48278 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: 20 hours ago
TLE from 20 hours ago
0 STARLINK-2543
1 48278U 21036C 26306.91668980 .00041323 00000-0 11262-2 0 9992
2 48278 53.1603 355.1414 0002398 55.4327 84.3042 15.37093566 5911Epoch: 2026-11-02T22:00Z
TLE epoch observation values (Epoch: 2026-11-02T22:00:01.998Z)
Latitude
31.2265°
Longitude
136.09516°
Altitude
456.447 km
Speed
7.643 km/s
True Right ascension
09h 53m 09s
True Declination
31° 04' 03"
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
13:28:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
456.605 km
Perigee altitude
453.328 km
Semi-major axis
6,833.103 km
Eccentricity
0.00024
Inclination
53.1603°
RAAN
355.1414°
Arg. of periapsis
55.4327°
True anomaly
84.33154°
Mean anomaly
84.3042°
Eccentric anomaly
84.31787°
Mean motion
3.84252 °/min
Orbital period
93.69 mins
BSTAR
0.0011262
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Other satellites on launch #36 in the year 2021 (2021-04-29 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-2543 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 | 2026-11-04 04:45:36.619Z | 167.569° S | 2026-11-04 04:47:36.619Z | 129.137° SE | 18.29° | 2026-11-04 04:49:36.619Z | 90.26° ESE |
| 5 mins | 2026-11-04 06:22:36.619Z | 255.971° W | 2026-11-04 06:24:36.619Z | 311.709° NW | 47.818° | 2026-11-04 06:27:36.619Z | 37.295° NE |
| 5 mins | 2026-11-04 11:17:36.619Z | 335.262° NNW | 2026-11-04 11:20:36.619Z | 34.245° NE | 21.067° | 2026-11-04 11:22:36.619Z | 72.341° E |
| 5 mins | 2026-11-04 12:55:36.619Z | 299.743° NW | 2026-11-04 12:57:36.619Z | 256.416° W | 56.724° | 2026-11-04 13:00:36.619Z | 145.679° 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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