STARLINK-2731, 48651
Orbit data source: Space-Track
STARLINK-2731, 48651 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 26 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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48651 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-2731
1 48651U 21044P 26170.91750129 .00008118 00000-0 27296-3 0 9992
2 48651 53.1604 358.3622 0000866 75.3185 284.7912 15.31711786279486Epoch: 2026-06-19T22:01Z
TLE epoch observation values (Epoch: 2026-06-19T22:01:12.111Z)
Latitude
-0.00005°
Longitude
119.9221°
Altitude
471.454 km
Speed
7.632 km/s
True Right ascension
23h 53m 26s
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
21:40:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.555 km
Perigee altitude
470.368 km
Semi-major axis
6,849.098 km
Eccentricity
0.00009
Inclination
53.1604°
RAAN
358.3622°
Arg. of periapsis
75.3185°
True anomaly
284.7816°
Mean anomaly
284.7912°
Eccentric anomaly
284.7864°
Mean motion
3.82907 °/min
Orbital period
94.02 mins
BSTAR
0.00027296
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Other satellites on launch #44 in the year 2021 (2021-05-26 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-2731 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 14:23:33.627Z | 222.992° SW | 2026-06-22 14:26:33.627Z | 197.745° SSW | 41.47° | 2026-06-22 14:30:33.627Z | 53.154° ENE |
| 4 mins | 2026-06-22 16:03:33.627Z | 301.912° NW | 2026-06-22 16:05:33.627Z | 344.733° N | 18.555° | 2026-06-22 16:07:33.627Z | 20.88° NNE |
| 5 mins | 2026-06-22 20:59:33.627Z | 322.109° NNW | 2026-06-22 21:01:33.627Z | 26.085° NE | 41.215° | 2026-06-22 21:04:33.627Z | 116.865° 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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