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: 19 hours ago
TLE from 19 hours ago
0 STARLINK-3109
1 49143U 21082P 26071.94955578 -.00000473 00000-0 -32559-4 0 9996
2 49143 69.9972 267.0336 0002916 273.9985 86.0840 14.97514062248057Epoch: 2026-03-12T22:47Z
TLE epoch observation values (Epoch: 2026-03-12T22:47:21.619Z)
Latitude
-0.00004°
Longitude
114.6014°
Altitude
576.865 km
Speed
7.573 km/s
True Right ascension
17h 48m 08s
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
21:53:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
574.556 km
Perigee altitude
570.503 km
Semi-major axis
6,950.667 km
Eccentricity
0.00029
Inclination
69.9972°
RAAN
267.0336°
Arg. of periapsis
273.9985°
True anomaly
86.11734°
Mean anomaly
86.084°
Eccentric anomaly
86.10067°
Mean motion
3.74545 °/min
Orbital period
96.12 mins
BSTAR
-0.000032559
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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 | 2026-03-13 23:22:05.409Z | 352.027° N | 2026-03-13 23:26:05.409Z | 66.292° ENE | 31.02° | 2026-03-13 23:29:05.409Z | 124.163° SE |
| 5 mins | 2026-03-14 13:24:05.409Z | 152.172° SSE | 2026-03-14 13:26:05.409Z | 115.716° SE | 23.344° | 2026-03-14 13:29:05.409Z | 57.625° ENE |
| 5 mins | 2026-03-14 15:03:05.409Z | 266.56° W | 2026-03-14 15:05:05.409Z | 310.949° NW | 23.515° | 2026-03-14 15:08:05.409Z | 358.797° N |
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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