STARLINK-3725, 52123
Orbit data source: Space-Track
STARLINK-3725, 52123 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sat, 19 Mar 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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52123 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-3725
1 52123U 22029AM 26171.41441307 -.00000707 00000-0 -26339-4 0 9992
2 52123 53.1598 327.6766 0001204 93.8848 266.2281 15.08842412236441Epoch: 2026-06-20T09:56Z
TLE epoch observation values (Epoch: 2026-06-20T09:56:45.289Z)
Latitude
-0.00002°
Longitude
-90.14149°
Altitude
540.682 km
Speed
7.593 km/s
True Right ascension
21h 50m 42s
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
21:31:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.823 km
Perigee altitude
539.157 km
Semi-major axis
6,918.127 km
Eccentricity
0.00012
Inclination
53.1598°
RAAN
327.6766°
Arg. of periapsis
93.8848°
True anomaly
266.21433°
Mean anomaly
266.2281°
Eccentric anomaly
266.22122°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
-0.000026339
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Other satellites on launch #29 in the year 2022 (2022-03-19 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-3725 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 11:22:40.890Z | 164.007° S | 2026-06-22 11:24:40.890Z | 132.014° SE | 16.503° | 2026-06-22 11:26:40.890Z | 96.966° ESE |
| 6 mins | 2026-06-22 13:01:40.890Z | 247.568° W | 2026-06-22 13:03:40.890Z | 301.971° NW | 41.382° | 2026-06-22 13:07:40.890Z | 44.318° NE |
| 4 mins | 2026-06-22 18:03:40.890Z | 353.175° N | 2026-06-22 18:04:40.890Z | 14.212° NNE | 21.952° | 2026-06-22 18:07:40.890Z | 73.037° E |
| 6 mins | 2026-06-22 19:42:40.890Z | 298.561° NW | 2026-06-22 19:44:40.890Z | 232.467° WSW | 42.433° | 2026-06-22 19:48:40.890Z | 141.316° SSE |
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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