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: 3 days ago
TLE from 3 days ago
0 STARLINK-2736
1 48640U 21044C 26170.80595134 .00001852 00000-0 71419-4 0 9996
2 48640 53.1608 358.7545 0001104 101.6040 258.5085 15.31707901279467Epoch: 2026-06-19T19:20Z
TLE epoch observation values (Epoch: 2026-06-19T19:20:34.195Z)
Latitude
-0.00007°
Longitude
160.58232°
Altitude
471.768 km
Speed
7.631 km/s
True Right ascension
23h 55m 01s
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
21:35:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
471.729 km
Perigee altitude
470.217 km
Semi-major axis
6,849.11 km
Eccentricity
0.00011
Inclination
53.1608°
RAAN
358.7545°
Arg. of periapsis
101.604°
True anomaly
258.4961°
Mean anomaly
258.5085°
Eccentric anomaly
258.5023°
Mean motion
3.82906 °/min
Orbital period
94.02 mins
BSTAR
0.000071419
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-22 14:53:32.832Z | 250.985° W | 2026-06-22 14:55:32.832Z | 325.371° NNW | 40.332° | 2026-06-22 14:58:32.832Z | 41.488° NE |
| 4 mins | 2026-06-22 19:50:32.832Z | 352.228° N | 2026-06-22 19:51:32.832Z | 12.922° NNE | 18.885° | 2026-06-22 19:54:32.832Z | 71.766° E |
| 6 mins | 2026-06-22 21:27:32.832Z | 303.849° NW | 2026-06-22 21:30:32.832Z | 176.099° S | 41.635° | 2026-06-22 21:33:32.832Z | 139.117° SSE |
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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