STARLINK-3948, 52546
Orbit data source: Space-Track
STARLINK-3948, 52546 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 13 May 2022 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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52546 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-3948
1 52546U 22051P 26171.41668980 .00075891 00000-0 36876-2 0 9993
2 52546 53.1607 27.3134 0000782 117.8188 178.3482 15.17777750 5787Epoch: 2026-06-20T10:00Z
TLE epoch observation values (Epoch: 2026-06-20T10:00:01.998Z)
Latitude
-46.10068°
Longitude
-82.06291°
Altitude
528.781 km
Speed
7.598 km/s
True Right ascension
22h 26m 18s
True Declination
-45° 55' 23"
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
21:32:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
513.352 km
Perigee altitude
512.275 km
Semi-major axis
6,890.95 km
Eccentricity
0.00008
Inclination
53.1607°
RAAN
27.3134°
Arg. of periapsis
117.8188°
True anomaly
178.34846°
Mean anomaly
178.3482°
Eccentric anomaly
178.34833°
Mean motion
3.79424 °/min
Orbital period
94.88 mins
BSTAR
0.0036876
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Other satellites on launch #51 in the year 2022 (2022-05-13 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-3948 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 16:10:02.208Z | 210.332° SW | 2026-06-22 16:13:02.208Z | 162.765° S | 36.58° | 2026-06-22 16:17:02.208Z | 59.862° ENE |
| 4 mins | 2026-06-22 17:51:02.208Z | 299.289° NW | 2026-06-22 17:52:02.208Z | 322.776° NNW | 23.562° | 2026-06-22 17:55:02.208Z | 25.051° NE |
| 6 mins | 2026-06-22 22:49:02.208Z | 324.547° NNW | 2026-06-22 22:52:02.208Z | 50.672° ENE | 36.346° | 2026-06-22 22:55:02.208Z | 108.758° ESE |
| 4 mins | 2026-06-23 00:29:02.208Z | 256.952° W | 2026-06-23 00:30:02.208Z | 235.439° WSW | 20.148° | 2026-06-23 00:33:02.208Z | 182.02° 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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