STARLINK-2457, 48321
Orbit data source: Space-Track
STARLINK-2457, 48321 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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48321 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: 1 day ago
TLE from 1 day ago
0 STARLINK-2457
1 48321U 21036AX 26186.46731061 .00004062 00000-0 14254-3 0 9992
2 48321 53.1586 273.0974 0001270 94.2676 265.8470 15.31709807286081Epoch: 2026-07-05T11:12Z
TLE epoch observation values (Epoch: 2026-07-05T11:12:55.636Z)
Latitude
-0.00008°
Longitude
-178.6007°
Altitude
471.674 km
Speed
7.631 km/s
True Right ascension
18h 12m 23s
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
05:04:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.837 km
Perigee altitude
470.098 km
Semi-major axis
6,849.105 km
Eccentricity
0.00013
Inclination
53.1586°
RAAN
273.0974°
Arg. of periapsis
94.2676°
True anomaly
265.83249°
Mean anomaly
265.847°
Eccentric anomaly
265.83974°
Mean motion
3.82906 °/min
Orbital period
94.02 mins
BSTAR
0.00014254
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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-2457 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-07-07 07:13:35.736Z | 176.261° S | 2026-07-07 07:15:35.736Z | 132.221° SE | 22.867° | 2026-07-07 07:18:35.736Z | 74.864° E |
| 5 mins | 2026-07-07 08:51:35.736Z | 272.915° WNW | 2026-07-07 08:53:35.736Z | 339.01° N | 31.554° | 2026-07-07 08:56:35.736Z | 36.441° NE |
| 4 mins | 2026-07-07 13:48:35.736Z | 353.291° N | 2026-07-07 13:49:35.736Z | 18.672° NNE | 23.913° | 2026-07-07 13:52:35.736Z | 83.981° E |
| 5 mins | 2026-07-07 15:25:35.736Z | 289.037° WNW | 2026-07-07 15:27:35.736Z | 237.847° WSW | 33.61° | 2026-07-07 15:30:35.736Z | 158.105° 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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