STARLINK-2531, 48483
Orbit data source: Space-Track
STARLINK-2531, 48483 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 09 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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48483 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-2531
1 48483U 21040BH 26171.45499604 -.00001510 00000-0 -36913-4 0 9997
2 48483 53.1596 75.9982 0001350 92.3685 267.7471 15.31681301282207Epoch: 2026-06-20T10:55Z
TLE epoch observation values (Epoch: 2026-06-20T10:55:11.657Z)
Latitude
-0.00004°
Longitude
3.53022°
Altitude
471.732 km
Speed
7.631 km/s
True Right ascension
05h 03m 59s
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
21:33:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.977 km
Perigee altitude
470.128 km
Semi-major axis
6,849.189 km
Eccentricity
0.00014
Inclination
53.1596°
RAAN
75.9982°
Arg. of periapsis
92.3685°
True anomaly
267.73164°
Mean anomaly
267.7471°
Eccentric anomaly
267.73937°
Mean motion
3.82899 °/min
Orbital period
94.02 mins
BSTAR
-0.000036913
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Other satellites on launch #40 in the year 2021 (2021-05-09 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-2531 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 19:28:18.433Z | 211.207° SW | 2026-06-22 19:31:18.433Z | 107.461° ESE | 38.664° | 2026-06-22 19:34:18.433Z | 58.013° ENE |
| 4 mins | 2026-06-22 21:07:18.433Z | 296.117° NW | 2026-06-22 21:09:18.433Z | 342.657° N | 20.953° | 2026-06-22 21:11:18.433Z | 21.337° NNE |
| 5 mins | 2026-06-23 02:03:18.433Z | 327.382° NNW | 2026-06-23 02:05:18.433Z | 21.38° NNE | 36.385° | 2026-06-23 02:08:18.433Z | 107.542° ESE |
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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