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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-2543
1 48278U 21036C 26187.26861578 -.00003781 00000-0 -11021-3 0 9997
2 48278 53.1588 192.6885 0001769 49.8111 310.3045 15.31677272287281Epoch: 2026-07-06T06:26Z
TLE epoch observation values (Epoch: 2026-07-06T06:26:48.403Z)
Latitude
-0.00002°
Longitude
171.73078°
Altitude
470.924 km
Speed
7.632 km/s
True Right ascension
12h 50m 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
03:54:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
472.276 km
Perigee altitude
469.853 km
Semi-major axis
6,849.202 km
Eccentricity
0.00018
Inclination
53.1588°
RAAN
192.6885°
Arg. of periapsis
49.8111°
True anomaly
310.28904°
Mean anomaly
310.3045°
Eccentric anomaly
310.29677°
Mean motion
3.82898 °/min
Orbital period
94.02 mins
BSTAR
-0.00011021
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-07-07 02:59:12.421Z | 222.37° SW | 2026-07-07 03:02:12.421Z | 86.786° E | 42.993° | 2026-07-07 03:05:12.421Z | 53.092° ENE |
| 4 mins | 2026-07-07 07:56:12.421Z | 344.667° N | 2026-07-07 07:58:12.421Z | 20.094° NNE | 14.904° | 2026-07-07 08:00:12.421Z | 54.655° ENE |
| 5 mins | 2026-07-07 09:34:12.421Z | 320.262° NNW | 2026-07-07 09:36:12.421Z | 6.03° NNE | 40.524° | 2026-07-07 09:39:12.421Z | 116.556° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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