STARLINK-2538, 48300
Orbit data source: Space-Track
STARLINK-2538, 48300 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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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: 7 hours ago
TLE from 7 hours ago
0 STARLINK-2538
1 48300U 21036AA 26138.23487269 -.00000155 00000-0 67779-5 0 9991
2 48300 53.1603 124.7413 0001010 86.0727 274.0390 15.31704197278885Epoch: 2026-05-18T05:38Z
TLE epoch observation values (Epoch: 2026-05-18T05:38:13.000Z)
Latitude
-0.00001°
Longitude
164.26108°
Altitude
471.579 km
Speed
7.631 km/s
True Right ascension
08h 18m 57s
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
21:24:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.676 km
Perigee altitude
470.292 km
Semi-major axis
6,849.121 km
Eccentricity
0.0001
Inclination
53.1603°
RAAN
124.7413°
Arg. of periapsis
86.0727°
True anomaly
274.02745°
Mean anomaly
274.039°
Eccentric anomaly
274.03323°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.0000067779
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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-2538 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 | 2026-05-19 02:12:29.358Z | 253.094° W | 2026-05-19 02:14:29.358Z | 324.111° NNW | 39.423° | 2026-05-19 02:17:29.358Z | 40.539° NE |
| 4 mins | 2026-05-19 07:09:29.358Z | 351.492° N | 2026-05-19 07:11:29.358Z | 36.669° NE | 19.355° | 2026-05-19 07:13:29.358Z | 72.42° E |
| 5 mins | 2026-05-19 08:47:29.358Z | 296.838° NW | 2026-05-19 08:49:29.358Z | 183.178° SSW | 41.061° | 2026-05-19 08:52:29.358Z | 140.878° SSE |
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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