STARLINK-3045, 49173
Orbit data source: Space-Track
STARLINK-3045, 49173 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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49173 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: 18 hours ago
TLE from 18 hours ago
0 STARLINK-3045
1 49173U 21082AV 25340.22439886 .00053499 00000-0 44111-2 0 9996
2 49173 69.9985 150.1034 0004598 290.5853 69.4812 14.98728985232473Epoch: 2025-12-06T05:23Z
TLE epoch observation values (Epoch: 2025-12-06T05:23:08.061Z)
Latitude
-0.0001°
Longitude
-5.93543°
Altitude
572.128 km
Speed
7.576 km/s
True Right ascension
10h 00m 24s
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
21:38:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.965 km
Perigee altitude
565.576 km
Semi-major axis
6,946.907 km
Eccentricity
0.00046
Inclination
69.9985°
RAAN
150.1034°
Arg. of periapsis
290.5853°
True anomaly
69.53056°
Mean anomaly
69.4812°
Eccentric anomaly
69.50588°
Mean motion
3.74849 °/min
Orbital period
96.04 mins
BSTAR
0.0044111
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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-3045 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 | 2025-12-06 23:35:01.162Z | 300.228° NW | 2025-12-06 23:38:01.162Z | 252.109° W | 18.544° | 2025-12-06 23:40:01.162Z | 218.385° SW |
| 4 mins | 2025-12-07 11:58:01.162Z | 138.275° SSE | 2025-12-07 12:00:01.162Z | 97.644° ESE | 20.996° | 2025-12-07 12:02:01.162Z | 62.788° ENE |
| 5 mins | 2025-12-07 13:36:01.162Z | 261.047° W | 2025-12-07 13:38:01.162Z | 308.168° NW | 25.721° | 2025-12-07 13:41:01.162Z | 359.745° N |
| 6 mins | 2025-12-07 21:59:01.162Z | 353.578° N | 2025-12-07 22:02:01.162Z | 77.213° E | 36.612° | 2025-12-07 22:05:01.162Z | 134.707° SE |
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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