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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-2538
1 48300U 21036AA 25355.50728394 .00000654 00000-0 62770-4 0 9996
2 48300 53.0550 82.5947 0001118 92.3715 267.7402 15.06398953256390Epoch: 2025-12-21T12:10Z
TLE epoch observation values (Epoch: 2025-12-21T12:10:29.332Z)
Latitude
-0.00002°
Longitude
169.65373°
Altitude
548.125 km
Speed
7.589 km/s
True Right ascension
05h 30m 22s
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
16:00:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.26 km
Perigee altitude
546.711 km
Semi-major axis
6,925.622 km
Eccentricity
0.00011
Inclination
53.055°
RAAN
82.5947°
Arg. of periapsis
92.3715°
True anomaly
267.7274°
Mean anomaly
267.7402°
Eccentric anomaly
267.7338°
Mean motion
3.76578 °/min
Orbital period
95.6 mins
BSTAR
0.00006277
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-22 07:26:48.033Z | 154.956° SSE | 2025-12-22 07:28:48.033Z | 118.084° SE | 17.283° | 2025-12-22 07:30:48.033Z | 86.983° E |
| 6 mins | 2025-12-22 09:04:48.033Z | 246.992° WSW | 2025-12-22 09:07:48.033Z | 348.181° N | 40.478° | 2025-12-22 09:10:48.033Z | 42.402° NE |
| 5 mins | 2025-12-22 14:06:48.033Z | 337.978° N | 2025-12-22 14:08:48.033Z | 14.916° NNE | 23.209° | 2025-12-22 14:11:48.033Z | 75.176° E |
| 6 mins | 2025-12-22 15:46:48.033Z | 296.091° NW | 2025-12-22 15:48:48.033Z | 239.836° WSW | 40.84° | 2025-12-22 15:52:48.033Z | 144.275° 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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