STARLINK-2540, 48290
Orbit data source: Space-Track
STARLINK-2540, 48290 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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48290 intel report (Beta)
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Edit Public Description
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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-2540
1 48290U 21036Q 25294.57594116 .00010173 00000-0 70112-3 0 9991
2 48290 53.0554 346.1242 0001483 94.1475 265.9683 15.06386077247347Epoch: 2025-10-21T13:49Z
TLE epoch observation values (Epoch: 2025-10-21T13:49:21.316Z)
Latitude
-0.00005°
Longitude
108.52342°
Altitude
548.206 km
Speed
7.589 km/s
True Right ascension
23h 04m 29s
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
01:15:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.552 km
Perigee altitude
546.498 km
Semi-major axis
6,925.662 km
Eccentricity
0.00015
Inclination
53.0554°
RAAN
346.1242°
Arg. of periapsis
94.1475°
True anomaly
265.95135°
Mean anomaly
265.9683°
Eccentric anomaly
265.95982°
Mean motion
3.76575 °/min
Orbital period
95.6 mins
BSTAR
0.00070112
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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-2540 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 | 2025-10-22 07:34:36.366Z | 277.44° WNW | 2025-10-22 07:37:36.366Z | 333.764° NNW | 25.087° | 2025-10-22 07:40:36.366Z | 29.052° NE |
| 4 mins | 2025-10-22 10:57:36.366Z | 350.048° N | 2025-10-22 10:58:36.366Z | 6.805° NNE | 15.875° | 2025-10-22 11:01:36.366Z | 55.193° ENE |
| 6 mins | 2025-10-22 12:36:36.366Z | 322.716° NNW | 2025-10-22 12:39:36.366Z | 51.414° ENE | 38.643° | 2025-10-22 12:42:36.366Z | 111.065° ESE |
| 5 mins | 2025-10-22 14:16:36.366Z | 268.381° W | 2025-10-22 14:18:36.366Z | 231.177° WSW | 19.759° | 2025-10-22 14:21:36.366Z | 182.817° SSW |
| 6 mins | 2025-10-23 05:48:36.366Z | 219.929° SW | 2025-10-23 05:51:36.366Z | 125.561° SE | 43.647° | 2025-10-23 05:54:36.366Z | 55.236° ENE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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