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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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: 2 days ago
TLE from 2 days ago
0 STARLINK-3109
1 49143U 21082P 26171.27516818 .00001342 00000-0 12277-3 0 9991
2 49143 69.9997 16.9185 0002939 271.7505 88.3317 14.97517376262923Epoch: 2026-06-20T06:36Z
TLE epoch observation values (Epoch: 2026-06-20T06:36:14.530Z)
Latitude
-0.00004°
Longitude
9.36581°
Altitude
576.934 km
Speed
7.573 km/s
True Right ascension
01h 07m 40s
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
21:50:05
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.562 km
Perigee altitude
570.476 km
Semi-major axis
6,950.656 km
Eccentricity
0.00029
Inclination
69.9997°
RAAN
16.9185°
Arg. of periapsis
271.7505°
True anomaly
88.36536°
Mean anomaly
88.3317°
Eccentric anomaly
88.34853°
Mean motion
3.74545 °/min
Orbital period
96.12 mins
BSTAR
0.00012277
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 14:51:01.277Z | 205.438° SW | 2026-06-22 14:54:01.277Z | 225.845° WSW | 44.334° | 2026-06-22 14:58:01.277Z | 23.202° NE |
| 4 mins | 2026-06-22 23:17:01.277Z | 26.988° NE | 2026-06-22 23:19:01.277Z | 63.457° ENE | 17.709° | 2026-06-22 23:21:01.277Z | 94.724° ESE |
| 5 mins | 2026-06-23 00:55:01.277Z | 304.048° NW | 2026-06-23 00:57:01.277Z | 252.551° W | 31.756° | 2026-06-23 01:00:01.277Z | 189.004° 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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