STARLINK-3239, 49743
Orbit data source: Space-Track
STARLINK-3239, 49743 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 Dec 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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49743 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
290 kg wet, ~270 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-3239
1 49743U 21115V 26171.41668980 .00035154 00000-0 19327-2 0 9998
2 49743 53.1602 47.7326 0000145 91.2721 285.1815 15.13785409 5814Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
13.10205°
Longitude
-0.92123°
Altitude
524.779 km
Speed
7.603 km/s
True Right ascension
03h 50m 52s
True Declination
13° 01' 26"
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
21:31:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
525.023 km
Perigee altitude
524.823 km
Semi-major axis
6,903.06 km
Eccentricity
0.00001
Inclination
53.1602°
RAAN
47.7326°
Arg. of periapsis
91.2721°
True anomaly
285.1799°
Mean anomaly
285.1815°
Eccentric anomaly
285.1807°
Mean motion
3.78426 °/min
Orbital period
95.13 mins
BSTAR
0.0019327
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Other satellites on launch #115 in the year 2021 (2021-12-02 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-3239 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 17:32:37.651Z | 212.164° SW | 2026-06-22 17:36:37.651Z | 109.763° ESE | 38.069° | 2026-06-22 17:39:37.651Z | 59.586° ENE |
| 5 mins | 2026-06-22 19:13:37.651Z | 292.858° NW | 2026-06-22 19:15:37.651Z | 338.618° N | 23.684° | 2026-06-22 19:18:37.651Z | 30.261° NE |
| 5 mins | 2026-06-23 00:13:37.651Z | 329.528° NNW | 2026-06-23 00:15:37.651Z | 35.165° NE | 38.266° | 2026-06-23 00:18:37.651Z | 109.291° ESE |
| 4 mins | 2026-06-23 01:52:37.651Z | 265.255° W | 2026-06-23 01:54:37.651Z | 225.501° WSW | 19.324° | 2026-06-23 01:56:37.651Z | 190.223° SSW |
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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