STARLINK-2509, 48318
Orbit data source: Space-Track
STARLINK-2509, 48318 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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48318 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: 22 hours ago
TLE from 22 hours ago
0 STARLINK-2509
1 48318U 21036AU 26186.94747719 -.00002026 00000-0 -53548-4 0 9998
2 48318 53.1586 271.6539 0001138 89.5099 270.6033 15.31693067286143Epoch: 2026-07-05T22:44Z
TLE epoch observation values (Epoch: 2026-07-05T22:44:22.029Z)
Latitude
0.00001°
Longitude
6.62262°
Altitude
471.653 km
Speed
7.631 km/s
True Right ascension
18h 06m 36s
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
09:05:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.797 km
Perigee altitude
470.238 km
Semi-major axis
6,849.154 km
Eccentricity
0.00011
Inclination
53.1586°
RAAN
271.6539°
Arg. of periapsis
89.5099°
True anomaly
270.59026°
Mean anomaly
270.6033°
Eccentric anomaly
270.59678°
Mean motion
3.82902 °/min
Orbital period
94.02 mins
BSTAR
-0.000053548
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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-2509 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 | 2026-07-07 07:47:06.876Z | 211.519° SW | 2026-07-07 07:50:06.876Z | 161.219° S | 36.8° | 2026-07-07 07:53:06.876Z | 63.415° ENE |
| 4 mins | 2026-07-07 09:27:06.876Z | 298.961° NW | 2026-07-07 09:28:06.876Z | 322.214° NNW | 21.773° | 2026-07-07 09:31:06.876Z | 24.903° NE |
| 5 mins | 2026-07-07 14:23:06.876Z | 331.929° NNW | 2026-07-07 14:25:06.876Z | 35.697° NE | 35.156° | 2026-07-07 14:28:06.876Z | 106.328° ESE |
| 4 mins | 2026-07-07 16:01:06.876Z | 264.7° W | 2026-07-07 16:03:06.876Z | 220.17° SW | 19.303° | 2026-07-07 16:05:06.876Z | 184.347° SSW |
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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