STARLINK-3145, 49455
Orbit data source: Space-Track
STARLINK-3145, 49455 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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49455 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: 3 days ago
TLE from 3 days ago
0 STARLINK-3145
1 49455U 21104AZ 26170.86976078 .00000769 00000-0 66381-4 0 9992
2 49455 53.1601 120.3050 0001369 97.7347 262.3800 15.08847186254204Epoch: 2026-06-19T20:52Z
TLE epoch observation values (Epoch: 2026-06-19T20:52:27.331Z)
Latitude
-0.00001°
Longitude
-100.90143°
Altitude
540.738 km
Speed
7.593 km/s
True Right ascension
08h 01m 13s
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
21:26:06
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.923 km
Perigee altitude
539.028 km
Semi-major axis
6,918.113 km
Eccentricity
0.00014
Inclination
53.1601°
RAAN
120.305°
Arg. of periapsis
97.7347°
True anomaly
262.36445°
Mean anomaly
262.38°
Eccentric anomaly
262.37223°
Mean motion
3.77191 °/min
Orbital period
95.44 mins
BSTAR
0.000066381
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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-3145 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 22:10:06.305Z | 211.097° SW | 2026-06-22 22:13:06.305Z | 151.001° SSE | 39.29° | 2026-06-22 22:17:06.305Z | 58.161° ENE |
| 5 mins | 2026-06-22 23:51:06.305Z | 293.651° NW | 2026-06-22 23:53:06.305Z | 339.147° N | 23.97° | 2026-06-22 23:56:06.305Z | 30.232° NE |
| 5 mins | 2026-06-23 04:52:06.305Z | 328.198° NNW | 2026-06-23 04:54:06.305Z | 33.061° NE | 39.188° | 2026-06-23 04:57:06.305Z | 110.393° ESE |
| 4 mins | 2026-06-23 06:32:06.305Z | 253.909° W | 2026-06-23 06:33:06.305Z | 233.735° WSW | 19.165° | 2026-06-23 06:36:06.305Z | 184.498° 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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