STARLINK-2504, 48328
Orbit data source: Space-Track
STARLINK-2504, 48328 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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48328 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: 21 hours ago
TLE from 21 hours ago
0 STARLINK-2504
1 48328U 21036BE 25290.97663723 .00013005 00000-0 88998-3 0 9992
2 48328 53.0568 22.2825 0001766 98.9146 261.2043 15.06415107246529Epoch: 2025-10-17T23:26Z
TLE epoch observation values (Epoch: 2025-10-17T23:26:21.456Z)
Latitude
-0.00003°
Longitude
3.9788°
Altitude
548.232 km
Speed
7.589 km/s
True Right ascension
01h 29m 07s
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
15:37:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.659 km
Perigee altitude
546.213 km
Semi-major axis
6,925.573 km
Eccentricity
0.00018
Inclination
53.0568°
RAAN
22.2825°
Arg. of periapsis
98.9146°
True anomaly
261.1843°
Mean anomaly
261.2043°
Eccentric anomaly
261.1943°
Mean motion
3.76582 °/min
Orbital period
95.6 mins
BSTAR
0.00088998
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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-2504 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 | 2025-10-19 07:26:37.602Z | 158.268° S | 2025-10-19 07:28:37.602Z | 123.165° SE | 17.064° | 2025-10-19 07:30:37.602Z | 90.54° ESE |
| 6 mins | 2025-10-19 09:04:37.602Z | 244.69° WSW | 2025-10-19 09:07:37.602Z | 328.878° NNW | 41.587° | 2025-10-19 09:10:37.602Z | 41.947° NE |
| 5 mins | 2025-10-19 14:07:37.602Z | 349.161° N | 2025-10-19 14:09:37.602Z | 34.025° NE | 23.011° | 2025-10-19 14:12:37.602Z | 82.039° E |
| 6 mins | 2025-10-19 15:46:37.602Z | 298.575° NW | 2025-10-19 15:48:37.602Z | 258.058° W | 40.24° | 2025-10-19 15:52:37.602Z | 143.894° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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