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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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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-2523
1 48306U 21036AG 26036.92800237 .00002514 00000-0 18760-3 0 9998
2 48306 53.0557 234.1980 0001573 107.0782 253.0380 15.06408217263383Epoch: 2026-02-05T22:16Z
TLE epoch observation values (Epoch: 2026-02-05T22:16:19.404Z)
Latitude
0.00001°
Longitude
124.04396°
Altitude
548.384 km
Speed
7.589 km/s
True Right ascension
15h 36m 47s
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
18:01:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.546 km
Perigee altitude
546.368 km
Semi-major axis
6,925.594 km
Eccentricity
0.00016
Inclination
53.0557°
RAAN
234.198°
Arg. of periapsis
107.0782°
True anomaly
253.02076°
Mean anomaly
253.038°
Eccentric anomaly
253.02938°
Mean motion
3.7658 °/min
Orbital period
95.6 mins
BSTAR
0.0001876
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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 | 2026-02-06 15:58:06.360Z | 235.381° WSW | 2026-02-06 16:02:06.360Z | 10.628° NNE | 43.067° | 2026-02-06 16:05:06.360Z | 46.648° ENE |
| 4 mins | 2026-02-06 17:40:06.360Z | 308.735° NW | 2026-02-06 17:42:06.360Z | 346.02° N | 18.29° | 2026-02-06 17:44:06.360Z | 19.629° NNE |
| 4 mins | 2026-02-06 21:02:06.360Z | 355.789° N | 2026-02-06 21:03:06.360Z | 16.584° NNE | 21.049° | 2026-02-06 21:06:06.360Z | 71.229° E |
| 6 mins | 2026-02-06 22:41:06.360Z | 304.323° NW | 2026-02-06 22:43:06.360Z | 256.539° W | 44.014° | 2026-02-06 22:47:06.360Z | 136.309° SSE |
| 4 mins | 2026-02-07 14:15:06.360Z | 150.325° SSE | 2026-02-07 14:16:06.360Z | 130.931° SE | 18.665° | 2026-02-07 14:19:06.360Z | 82.083° E |
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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