STARLINK-2491, 48148
Orbit data source: Space-Track
STARLINK-2491, 48148 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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48148 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-2491
1 48148U 21027BJ 26170.95376785 .00003970 00000-0 13954-3 0 9997
2 48148 53.1590 49.9640 0001194 109.6893 250.4237 15.31718001288168Epoch: 2026-06-19T22:53Z
TLE epoch observation values (Epoch: 2026-06-19T22:53:25.542Z)
Latitude
-0.00003°
Longitude
158.43221°
Altitude
471.861 km
Speed
7.631 km/s
True Right ascension
03h 19m 51s
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
21:28:11
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.761 km
Perigee altitude
470.125 km
Semi-major axis
6,849.08 km
Eccentricity
0.00012
Inclination
53.159°
RAAN
49.964°
Arg. of periapsis
109.6893°
True anomaly
250.41081°
Mean anomaly
250.4237°
Eccentric anomaly
250.41725°
Mean motion
3.82908 °/min
Orbital period
94.02 mins
BSTAR
0.00013954
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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-2491 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 16:49:11.090Z | 167.073° S | 2026-06-22 16:51:11.090Z | 127.97° SE | 18.171° | 2026-06-22 16:53:11.090Z | 89.44° E |
| 6 mins | 2026-06-22 18:26:11.090Z | 254.121° W | 2026-06-22 18:29:11.090Z | 352.702° N | 35.177° | 2026-06-22 18:32:11.090Z | 40.695° NE |
| 4 mins | 2026-06-22 23:23:11.090Z | 342.332° N | 2026-06-22 23:25:11.090Z | 24.443° NE | 21.144° | 2026-06-22 23:27:11.090Z | 68.149° E |
| 5 mins | 2026-06-23 01:01:11.090Z | 295.683° NW | 2026-06-23 01:03:11.090Z | 232.25° WSW | 39.913° | 2026-06-23 01:06:11.090Z | 147.293° 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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