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: 1 day ago
TLE from 1 day ago
0 STARLINK-2538
1 48300U 21036AA 25293.47293993 .00020478 00000-0 13911-2 0 9992
2 48300 53.0562 1.0802 0001255 83.3354 276.7778 15.06360294247045Epoch: 2025-10-20T11:21Z
TLE epoch observation values (Epoch: 2025-10-20T11:21:02.009Z)
Latitude
-0.00003°
Longitude
161.64705°
Altitude
548.11 km
Speed
7.589 km/s
True Right ascension
00h 04m 19s
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
06:40:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.473 km
Perigee altitude
546.735 km
Semi-major axis
6,925.741 km
Eccentricity
0.00013
Inclination
53.0562°
RAAN
1.0802°
Arg. of periapsis
83.3354°
True anomaly
276.76352°
Mean anomaly
276.7778°
Eccentric anomaly
276.77066°
Mean motion
3.76568 °/min
Orbital period
95.6 mins
BSTAR
0.0013911
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-21 13:18:30.484Z | 328.444° NNW | 2025-10-21 13:21:30.484Z | 40.195° NE | 32.385° | 2025-10-21 13:24:30.484Z | 98.822° ESE |
| 5 mins | 2025-10-21 14:58:30.484Z | 278.144° WNW | 2025-10-21 15:00:30.484Z | 235.459° WSW | 26.869° | 2025-10-21 15:03:30.484Z | 173.312° S |
| 6 mins | 2025-10-22 06:31:30.484Z | 197.524° SSW | 2025-10-22 06:33:30.484Z | 138.788° SSE | 36.932° | 2025-10-22 06:37:30.484Z | 60.093° ENE |
| 5 mins | 2025-10-22 08:11:30.484Z | 291.083° WNW | 2025-10-22 08:13:30.484Z | 339.723° N | 25.823° | 2025-10-22 08:16:30.484Z | 31.489° NE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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