STARLINK-3109, 49143
Orbit data source: Space-Track
STARLINK-3109, 49143 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Tue, 14 Sep 2021 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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49143 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
297 kg wet, ~275 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: 9 hours ago
TLE from 9 hours ago
0 STARLINK-3109
1 49143U 21082P 26011.83317164 -.00001405 00000-0 -11234-3 0 9993
2 49143 70.0011 58.4216 0002342 273.7388 86.3503 14.97521207239059Epoch: 2026-01-11T19:59Z
TLE epoch observation values (Epoch: 2026-01-11T19:59:46.029Z)
Latitude
-0.00002°
Longitude
7.14126°
Altitude
576.878 km
Speed
7.573 km/s
True Right ascension
03h 53m 41s
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
05:45:31
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.135 km
Perigee altitude
570.879 km
Semi-major axis
6,950.644 km
Eccentricity
0.00023
Inclination
70.0011°
RAAN
58.4216°
Arg. of periapsis
273.7388°
True anomaly
86.37708°
Mean anomaly
86.3503°
Eccentric anomaly
86.36369°
Mean motion
3.74546 °/min
Orbital period
96.12 mins
BSTAR
-0.00011234
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Other satellites on launch #82 in the year 2021 (2021-09-14 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-3109 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-01-12 05:48:06.879Z | 272.96° WNW | 2026-01-12 05:50:06.879Z | 302.954° NW | 15.062° | 2026-01-12 05:52:06.879Z | 335.063° NNW |
| 6 mins | 2026-01-12 14:12:06.879Z | 329.166° NNW | 2026-01-12 14:14:06.879Z | 298.564° NW | 42.718° | 2026-01-12 14:18:06.879Z | 163.186° S |
| 6 mins | 2026-01-13 04:12:06.879Z | 196.677° SSW | 2026-01-13 04:15:06.879Z | 69.022° E | 43.795° | 2026-01-13 04:18:06.879Z | 28.123° NE |
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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