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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-3109
1 49143U 21082P 25311.17272630 .00001174 00000-0 10829-3 0 9990
2 49143 70.0006 223.7617 0002470 268.2197 91.8679 14.97527055229224Epoch: 2025-11-07T04:08Z
TLE epoch observation values (Epoch: 2025-11-07T04:08:43.552Z)
Latitude
0.00001°
Longitude
114.95974°
Altitude
577.019 km
Speed
7.572 km/s
True Right ascension
14h 55m 02s
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
06:43:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.206 km
Perigee altitude
570.772 km
Semi-major axis
6,950.626 km
Eccentricity
0.00025
Inclination
70.0006°
RAAN
223.7617°
Arg. of periapsis
268.2197°
True anomaly
91.89619°
Mean anomaly
91.8679°
Eccentric anomaly
91.88204°
Mean motion
3.74548 °/min
Orbital period
96.12 mins
BSTAR
0.00010829
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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
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-11-07 18:42:49.351Z | 134.809° SE | 2025-11-07 18:44:49.351Z | 102.753° ESE | 15.963° | 2025-11-07 18:46:49.351Z | 71.012° E |
| 5 mins | 2025-11-07 20:20:49.351Z | 245.75° WSW | 2025-11-07 20:22:49.351Z | 299.935° NW | 32.469° | 2025-11-07 20:25:49.351Z | 3.718° NNE |
| 6 mins | 2025-11-08 04:44:49.351Z | 4.28° NNE | 2025-11-08 04:46:49.351Z | 46.24° ENE | 29.813° | 2025-11-08 04:50:49.351Z | 125.942° SE |
| 4 mins | 2025-11-08 06:23:49.351Z | 282.206° WNW | 2025-11-08 06:24:49.351Z | 265.093° W | 17.214° | 2025-11-08 06:27:49.351Z | 216.086° SW |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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