STARLINK-5123, 53979
Orbit data source: Space-Track
STARLINK-5123, 53979 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 05 Oct 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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53979 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
305 kg wet, ~290 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: 3 days ago
TLE from 3 days ago
0 STARLINK-5123
1 53979U 22125R 26170.57535915 .00000325 00000-0 38526-4 0 9999
2 53979 53.1617 121.6242 0001454 79.4881 280.6274 15.08832508204776Epoch: 2026-06-19T13:48Z
TLE epoch observation values (Epoch: 2026-06-19T13:48:31.030Z)
Latitude
-0.00004°
Longitude
6.69251°
Altitude
540.472 km
Speed
7.593 km/s
True Right ascension
08h 06m 29s
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
23:08:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.026 km
Perigee altitude
539.014 km
Semi-major axis
6,918.157 km
Eccentricity
0.00015
Inclination
53.1617°
RAAN
121.6242°
Arg. of periapsis
79.4881°
True anomaly
280.61102°
Mean anomaly
280.6274°
Eccentric anomaly
280.61921°
Mean motion
3.77188 °/min
Orbital period
95.44 mins
BSTAR
0.000038526
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Other satellites on launch #125 in the year 2022 (2022-10-05 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-5123 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 | 2026-06-22 21:27:03.948Z | 172.724° S | 2026-06-22 21:29:03.948Z | 137.793° SSE | 20.644° | 2026-06-22 21:32:03.948Z | 82.453° E |
| 6 mins | 2026-06-22 23:06:03.948Z | 256.44° W | 2026-06-22 23:08:03.948Z | 299.002° NW | 36.109° | 2026-06-22 23:12:03.948Z | 39.883° NE |
| 5 mins | 2026-06-23 04:08:03.948Z | 346.42° N | 2026-06-23 04:10:03.948Z | 33.828° NE | 25.135° | 2026-06-23 04:13:03.948Z | 85.964° E |
| 6 mins | 2026-06-23 05:47:03.948Z | 291.455° WNW | 2026-06-23 05:49:03.948Z | 240.954° WSW | 37.075° | 2026-06-23 05:53:03.948Z | 150.464° 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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