STARLINK-2145, 48555
Orbit data source: Space-Track
STARLINK-2145, 48555 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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48555 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-2145
1 48555U 21041C 26170.94019442 .00000043 00000-0 13140-4 0 9994
2 48555 53.1614 33.2601 0001173 77.3544 282.7588 15.31707399280618Epoch: 2026-06-19T22:33Z
TLE epoch observation values (Epoch: 2026-06-19T22:33:52.797Z)
Latitude
-0.00009°
Longitude
146.62808°
Altitude
471.441 km
Speed
7.632 km/s
True Right ascension
02h 13m 02s
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
21:40:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.778 km
Perigee altitude
470.171 km
Semi-major axis
6,849.111 km
Eccentricity
0.00012
Inclination
53.1614°
RAAN
33.2601°
Arg. of periapsis
77.3544°
True anomaly
282.74569°
Mean anomaly
282.7588°
Eccentric anomaly
282.75224°
Mean motion
3.82906 °/min
Orbital period
94.02 mins
BSTAR
0.00001314
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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-2145 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 | 2026-06-22 16:30:26.910Z | 212.506° SW | 2026-06-22 16:33:26.910Z | 125.129° SE | 39.818° | 2026-06-22 16:36:26.910Z | 58.78° ENE |
| 4 mins | 2026-06-22 18:09:26.910Z | 292.286° WNW | 2026-06-22 18:11:26.910Z | 336.35° NNW | 21.151° | 2026-06-22 18:13:26.910Z | 18.099° NNE |
| 5 mins | 2026-06-22 23:05:26.910Z | 325.31° NNW | 2026-06-22 23:07:26.910Z | 8.532° NNE | 35.292° | 2026-06-22 23:10:26.910Z | 105.995° ESE |
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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