STARLINK-2523, 48306
Orbit data source: Space-Track
STARLINK-2523, 48306 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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48306 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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-2523
1 48306U 21036AG 26091.99594043 .00034675 00000-0 23322-2 0 9993
2 48306 53.0551 346.9922 0001443 100.5946 259.5205 15.06450541271687Epoch: 2026-04-01T23:54Z
TLE epoch observation values (Epoch: 2026-04-01T23:54:09.253Z)
Latitude
-0.00005°
Longitude
158.10284°
Altitude
548.118 km
Speed
7.589 km/s
True Right ascension
23h 07m 58s
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
21:09:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.327 km
Perigee altitude
546.328 km
Semi-major axis
6,925.464 km
Eccentricity
0.00014
Inclination
53.0551°
RAAN
346.9922°
Arg. of periapsis
100.5946°
True anomaly
259.50424°
Mean anomaly
259.5205°
Eccentric anomaly
259.51237°
Mean motion
3.76591 °/min
Orbital period
95.59 mins
BSTAR
0.0023322
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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-2523 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 | 2026-04-02 19:10:15.806Z | 205.902° SW | 2026-04-02 19:13:15.806Z | 148.004° SSE | 36.242° | 2026-04-02 19:17:15.806Z | 61.063° ENE |
| 5 mins | 2026-04-02 20:51:15.806Z | 287.916° WNW | 2026-04-02 20:53:15.806Z | 334.745° NNW | 26.175° | 2026-04-02 20:56:15.806Z | 30.131° NE |
| 6 mins | 2026-04-03 01:52:15.806Z | 324.881° NNW | 2026-04-03 01:55:15.806Z | 52.12° ENE | 36.896° | 2026-04-03 01:58:15.806Z | 108.432° ESE |
| 5 mins | 2026-04-03 03:32:15.806Z | 269.246° W | 2026-04-03 03:34:15.806Z | 229.797° WSW | 21.347° | 2026-04-03 03:37:15.806Z | 179.901° S |
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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