STARLINK-2736, 48640
Orbit data source: Space-Track
STARLINK-2736, 48640 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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48640 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-2736
1 48640U 21044C 26299.25002315 .00007889 00000-0 20686-3 0 9996
2 48640 53.1593 120.6034 0001052 117.0772 136.5722 15.39640681 5867Epoch: 2026-10-26T06:00Z
TLE epoch observation values (Epoch: 2026-10-26T06:00:02.000Z)
Latitude
-50.34163°
Longitude
-120.0405°
Altitude
465.075 km
Speed
7.633 km/s
True Right ascension
00h 18m 23s
True Declination
-50° 09' 55"
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
07:21:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
448.147 km
Perigee altitude
446.711 km
Semi-major axis
6,825.566 km
Eccentricity
0.00011
Inclination
53.1593°
RAAN
120.6034°
Arg. of periapsis
117.0772°
True anomaly
136.58049°
Mean anomaly
136.5722°
Eccentric anomaly
136.57634°
Mean motion
3.84889 °/min
Orbital period
93.53 mins
BSTAR
0.00020686
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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-2736 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 | 2026-10-26 14:24:09.783Z | 196.578° SSW | 2026-10-26 14:27:09.783Z | 136.332° SSE | 32.11° | 2026-10-26 14:30:09.783Z | 69.975° E |
| 4 mins | 2026-10-26 16:03:09.783Z | 288.448° WNW | 2026-10-26 16:04:09.783Z | 315.962° NNW | 29.46° | 2026-10-26 16:07:09.783Z | 28.164° NE |
| 4 mins | 2026-10-26 20:58:09.783Z | 349.327° N | 2026-10-26 20:59:09.783Z | 16.008° NNE | 28.914° | 2026-10-26 21:02:09.783Z | 88.887° E |
| 4 mins | 2026-10-26 22:35:09.783Z | 276.612° WNW | 2026-10-26 22:37:09.783Z | 216.307° SW | 32.157° | 2026-10-26 22:39:09.783Z | 170.219° S |
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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