STARLINK-3973, 52645
Orbit data source: Space-Track
STARLINK-3973, 52645 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 14 May 2022 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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52645 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-3973
1 52645U 22052AZ 26171.41668980 .00083269 00000-0 48071-2 0 9992
2 52645 53.1593 157.9405 0001219 65.1503 54.4573 15.11616431 5725Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
44.22409°
Longitude
-127.18324°
Altitude
535.296 km
Speed
7.601 km/s
True Right ascension
19h 25m 49s
True Declination
44° 02' 48"
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
23:07:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
532.367 km
Perigee altitude
530.682 km
Semi-major axis
6,909.661 km
Eccentricity
0.00012
Inclination
53.1593°
RAAN
157.9405°
Arg. of periapsis
65.1503°
True anomaly
54.46867°
Mean anomaly
54.4573°
Eccentric anomaly
54.46298°
Mean motion
3.77884 °/min
Orbital period
95.27 mins
BSTAR
0.0048071
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Other satellites on launch #52 in the year 2022 (2022-05-14 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-3973 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-23 01:07:10.710Z | 225.458° WSW | 2026-06-23 01:10:10.710Z | 130.354° SE | 44.784° | 2026-06-23 01:13:10.710Z | 51.977° ENE |
| 4 mins | 2026-06-23 02:48:10.710Z | 306.47° NW | 2026-06-23 02:50:10.710Z | 347.971° N | 19.541° | 2026-06-23 02:52:10.710Z | 21.791° NNE |
| 4 mins | 2026-06-23 06:09:10.710Z | 355.09° N | 2026-06-23 06:10:10.710Z | 13.928° NNE | 17.754° | 2026-06-23 06:13:10.710Z | 64.572° ENE |
| 6 mins | 2026-06-23 07:47:10.710Z | 313.948° NW | 2026-06-23 07:50:10.710Z | 45.32° ENE | 44.224° | 2026-06-23 07:53:10.710Z | 124.313° 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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