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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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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-2736
1 48640U 21044C 25349.37714411 .00000581 00000-0 57897-4 0 9998
2 48640 53.0554 135.3949 0001319 88.3295 271.7845 15.06395465251061Epoch: 2025-12-15T09:03Z
TLE epoch observation values (Epoch: 2025-12-15T09:03:05.251Z)
Latitude
-0.00001°
Longitude
-84.65357°
Altitude
548.076 km
Speed
7.589 km/s
True Right ascension
09h 01m 34s
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
02:28:35
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
548.41 km
Perigee altitude
546.583 km
Semi-major axis
6,925.633 km
Eccentricity
0.00013
Inclination
53.0554°
RAAN
135.3949°
Arg. of periapsis
88.3295°
True anomaly
271.76939°
Mean anomaly
271.7845°
Eccentric anomaly
271.77695°
Mean motion
3.76577 °/min
Orbital period
95.6 mins
BSTAR
0.000057897
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-16 12:16:52.727Z | 219.589° SW | 2025-12-16 12:20:52.727Z | 131.117° SE | 42.838° | 2025-12-16 12:23:52.727Z | 56.842° ENE |
| 5 mins | 2025-12-16 13:58:52.727Z | 298.151° NW | 2025-12-16 14:00:52.727Z | 340.801° N | 22.361° | 2025-12-16 14:03:52.727Z | 29.943° NE |
| 4 mins | 2025-12-16 17:20:52.727Z | 353.64° N | 2025-12-16 17:21:52.727Z | 11.688° NNE | 17.384° | 2025-12-16 17:24:52.727Z | 61.133° ENE |
| 6 mins | 2025-12-16 18:59:52.727Z | 318.849° NNW | 2025-12-16 19:01:52.727Z | 354.401° N | 40.956° | 2025-12-16 19:05:52.727Z | 120.031° SE |
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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