STARLINK-3112, 49421
Orbit data source: Space-Track
STARLINK-3112, 49421 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 13 Nov 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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49421 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: 1 week ago
TLE from 1 week ago
0 STARLINK-3112
1 49421U 21104P 26154.77986583 -.00000943 00000-0 -41191-4 0 9997
2 49421 53.1806 202.4330 0001680 139.7171 220.3946 15.08822104251626Epoch: 2026-06-03T18:43Z
TLE epoch observation values (Epoch: 2026-06-03T18:43:00.407Z)
Latitude
0.00002°
Longitude
29.44774°
Altitude
541.577 km
Speed
7.592 km/s
True Right ascension
13h 29m 43s
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
14:54:45
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.211 km
Perigee altitude
538.887 km
Semi-major axis
6,918.186 km
Eccentricity
0.00017
Inclination
53.1806°
RAAN
202.433°
Arg. of periapsis
139.7171°
True anomaly
220.38213°
Mean anomaly
220.3946°
Eccentric anomaly
220.38836°
Mean motion
3.77185 °/min
Orbital period
95.44 mins
BSTAR
-0.000041191
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Other satellites on launch #104 in the year 2021 (2021-11-13 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-3112 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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2026-06-11 05:02:04.472Z | 293.202° NW | 2026-06-11 05:04:04.472Z | 330.136° NNW | 21.108° | 2026-06-11 05:07:04.472Z | 24.694° NE |
| 4 mins | 2026-06-11 08:24:04.472Z | 351.63° N | 2026-06-11 08:26:04.472Z | 28.897° NE | 17.173° | 2026-06-11 08:28:04.472Z | 60.356° ENE |
| 6 mins | 2026-06-11 10:03:04.472Z | 318.009° NNW | 2026-06-11 10:05:04.472Z | 353.201° N | 41.691° | 2026-06-11 10:09:04.472Z | 121.938° SE |
| 6 mins | 2026-06-12 03:13:04.472Z | 231.534° WSW | 2026-06-12 03:16:04.472Z | 12.995° NNE | 44.721° | 2026-06-12 03:19:04.472Z | 48.605° ENE |
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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