STARLINK-2478, 48135
Orbit data source: Space-Track
STARLINK-2478, 48135 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 07 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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48135 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: 2 days ago
TLE from 2 days ago
0 STARLINK-2478
1 48135U 21027AV 26170.94975778 .00000244 00000-0 19613-4 0 9999
2 48135 53.1604 52.2249 0001266 84.1604 275.9541 15.31702446288143Epoch: 2026-06-19T22:47Z
TLE epoch observation values (Epoch: 2026-06-19T22:47:39.072Z)
Latitude
-0.00006°
Longitude
162.14066°
Altitude
471.543 km
Speed
7.632 km/s
True Right ascension
03h 28m 53s
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
21:30:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.856 km
Perigee altitude
470.122 km
Semi-major axis
6,849.126 km
Eccentricity
0.00013
Inclination
53.1604°
RAAN
52.2249°
Arg. of periapsis
84.1604°
True anomaly
275.93967°
Mean anomaly
275.9541°
Eccentric anomaly
275.94689°
Mean motion
3.82904 °/min
Orbital period
94.02 mins
BSTAR
0.000019613
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Other satellites on launch #27 in the year 2021 (2021-04-07 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-2478 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 18:20:12.790Z | 243.472° WSW | 2026-06-22 18:22:12.790Z | 303.011° NW | 42.289° | 2026-06-22 18:25:12.790Z | 43.355° NE |
| 5 mins | 2026-06-22 23:16:12.790Z | 336.229° NNW | 2026-06-22 23:19:12.790Z | 31.82° NE | 17.901° | 2026-06-22 23:21:12.790Z | 67.275° ENE |
| 5 mins | 2026-06-23 00:55:12.790Z | 306.013° NW | 2026-06-23 00:57:12.790Z | 171.495° S | 44.24° | 2026-06-23 01:00:12.790Z | 134.66° SE |
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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