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: 5 hours ago
TLE from 5 hours ago
0 STARLINK-2457
1 48321U 21036AX 26242.51740735 .00003160 00000-0 11354-3 0 9995
2 48321 53.1600 12.1422 0001090 86.5041 273.6085 15.31705997294677Epoch: 2026-08-30T12:25Z
TLE epoch observation values (Epoch: 2026-08-30T12:25:03.995Z)
Latitude
-0.00001°
Longitude
-152.83631°
Altitude
471.576 km
Speed
7.631 km/s
True Right ascension
00h 48m 34s
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
08:47:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.725 km
Perigee altitude
470.232 km
Semi-major axis
6,849.116 km
Eccentricity
0.00011
Inclination
53.16°
RAAN
12.1422°
Arg. of periapsis
86.5041°
True anomaly
273.59603°
Mean anomaly
273.6085°
Eccentric anomaly
273.60227°
Mean motion
3.82905 °/min
Orbital period
94.02 mins
BSTAR
0.00011354
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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 | 2026-08-30 17:35:08.471Z | 332.896° NNW | 2026-08-30 17:38:08.471Z | 46.102° ENE | 26.319° | 2026-08-30 17:40:08.471Z | 87.231° E |
| 4 mins | 2026-08-30 19:14:08.471Z | 269.732° W | 2026-08-30 19:15:08.471Z | 240.699° WSW | 28.647° | 2026-08-30 19:18:08.471Z | 166.549° S |
| 4 mins | 2026-08-31 10:31:08.471Z | 163.201° S | 2026-08-31 10:32:08.471Z | 138.132° SSE | 23.078° | 2026-08-31 10:35:08.471Z | 76.417° E |
| 5 mins | 2026-08-31 12:08:08.471Z | 270.479° WNW | 2026-08-31 12:10:08.471Z | 329.863° NNW | 31.574° | 2026-08-31 12:13:08.471Z | 34.825° NE |
| 4 mins | 2026-08-31 17:05:08.471Z | 348.953° N | 2026-08-31 17:07:08.471Z | 42.5° NE | 23.894° | 2026-08-31 17:09:08.471Z | 82.11° E |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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