STARLINK-2251, 48594
Orbit data source: Space-Track
STARLINK-2251, 48594 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 15 May 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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48594 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: 3 days ago
TLE from 3 days ago
0 STARLINK-2251
1 48594U 21041AT 26170.94396605 .00002011 00000-0 81984-4 0 9994
2 48594 53.1617 359.1844 0001016 82.9232 277.1884 15.29367879281109Epoch: 2026-06-19T22:39Z
TLE epoch observation values (Epoch: 2026-06-19T22:39:18.666Z)
Latitude
-0.00003°
Longitude
111.19092°
Altitude
478.513 km
Speed
7.628 km/s
True Right ascension
23h 56m 44s
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
21:47:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
478.653 km
Perigee altitude
477.26 km
Semi-major axis
6,856.094 km
Eccentricity
0.0001
Inclination
53.1617°
RAAN
359.1844°
Arg. of periapsis
82.9232°
True anomaly
277.17685°
Mean anomaly
277.1884°
Eccentric anomaly
277.18262°
Mean motion
3.82321 °/min
Orbital period
94.16 mins
BSTAR
0.000081984
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Other satellites on launch #41 in the year 2021 (2021-05-15 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-2251 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 | 2026-06-22 13:32:48.608Z | 173.172° S | 2026-06-22 13:34:48.608Z | 135.317° SSE | 19.714° | 2026-06-22 13:37:48.608Z | 79.583° E |
| 5 mins | 2026-06-22 15:10:48.608Z | 262.519° W | 2026-06-22 15:12:48.608Z | 326.098° NNW | 35.393° | 2026-06-22 15:15:48.608Z | 37.031° NE |
| 5 mins | 2026-06-22 20:07:48.608Z | 342.265° N | 2026-06-22 20:09:48.608Z | 25.972° NE | 22.471° | 2026-06-22 20:12:48.608Z | 82.746° E |
| 5 mins | 2026-06-22 21:45:48.608Z | 293.231° NW | 2026-06-22 21:47:48.608Z | 236.956° WSW | 37.719° | 2026-06-22 21:50:48.608Z | 151.548° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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