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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Edit Public Description
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: 8 hours ago
TLE from 8 hours ago
0 STARLINK-2538
1 48300U 21036AA 25342.17155653 -.00000503 00000-0 -14908-4 0 9992
2 48300 53.0536 142.4619 0001312 86.0757 274.0382 15.06393372254383Epoch: 2025-12-08T04:07Z
TLE epoch observation values (Epoch: 2025-12-08T04:07:02.484Z)
Latitude
-0°
Longitude
3.52713°
Altitude
548.047 km
Speed
7.589 km/s
True Right ascension
09h 29m 50s
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
10:15:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.411 km
Perigee altitude
546.594 km
Semi-major axis
6,925.64 km
Eccentricity
0.00013
Inclination
53.0536°
RAAN
142.4619°
Arg. of periapsis
86.0757°
True anomaly
274.0232°
Mean anomaly
274.0382°
Eccentric anomaly
274.0307°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
-0.000014908
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Other satellites on launch #36 in the year 2021 (2021-04-29 UTC)
Did you know?
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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-08 13:51:42.118Z | 234.262° WSW | 2025-12-08 13:54:42.118Z | 332.114° NNW | 44.581° | 2025-12-08 13:58:42.118Z | 48.501° ENE |
| 5 mins | 2025-12-08 15:32:42.118Z | 303.454° NW | 2025-12-08 15:34:42.118Z | 339.59° N | 18.837° | 2025-12-08 15:37:42.118Z | 27.568° NE |
| 4 mins | 2025-12-08 18:54:42.118Z | 350.664° N | 2025-12-08 18:56:42.118Z | 31.885° NE | 20.407° | 2025-12-08 18:58:42.118Z | 66.549° ENE |
| 6 mins | 2025-12-08 20:33:42.118Z | 306.939° NW | 2025-12-08 20:36:42.118Z | 150.829° SSE | 42.727° | 2025-12-08 20:39:42.118Z | 134.542° SE |
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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