STARLINK-3723, 52138
Orbit data source: Space-Track
STARLINK-3723, 52138 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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52138 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-3723
1 52138U 22029BC 26171.46500066 -.00000210 00000-0 48909-5 0 9997
2 52138 53.1608 327.6269 0001164 89.6730 270.4395 15.08827661236458Epoch: 2026-06-20T11:09Z
TLE epoch observation values (Epoch: 2026-06-20T11:09:36.057Z)
Latitude
0.00002°
Longitude
-108.45256°
Altitude
540.666 km
Speed
7.593 km/s
True Right ascension
21h 50m 30s
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
21:26:34
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.84 km
Perigee altitude
539.23 km
Semi-major axis
6,918.172 km
Eccentricity
0.00012
Inclination
53.1608°
RAAN
327.6269°
Arg. of periapsis
89.673°
True anomaly
270.42616°
Mean anomaly
270.4395°
Eccentric anomaly
270.43283°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
0.0000048909
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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-3723 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 12:36:33.725Z | 225.355° WSW | 2026-06-22 12:40:33.725Z | 103.511° ESE | 44.549° | 2026-06-22 12:43:33.725Z | 52.325° ENE |
| 4 mins | 2026-06-22 14:18:33.725Z | 304.415° NW | 2026-06-22 14:20:33.725Z | 345.459° N | 20.155° | 2026-06-22 14:22:33.725Z | 20.403° NNE |
| 4 mins | 2026-06-22 17:39:33.725Z | 346.285° N | 2026-06-22 17:41:33.725Z | 22.749° NE | 18.139° | 2026-06-22 17:43:33.725Z | 57.549° ENE |
| 6 mins | 2026-06-22 19:18:33.725Z | 314.467° NW | 2026-06-22 19:21:33.725Z | 79.04° E | 43.73° | 2026-06-22 19:24:33.725Z | 124.614° 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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