STARLINK-5121, 53993
Orbit data source: Space-Track
STARLINK-5121, 53993 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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53993 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-5121
1 53993U 22125AF 26170.55050180 .00001266 00000-0 97627-4 0 9991
2 53993 53.1612 111.4946 0001264 89.7139 270.3997 15.08827452204909Epoch: 2026-06-19T13:12Z
TLE epoch observation values (Epoch: 2026-06-19T13:12:43.355Z)
Latitude
-0.00005°
Longitude
5.53606°
Altitude
540.667 km
Speed
7.593 km/s
True Right ascension
07h 25m 58s
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
21:24:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
540.91 km
Perigee altitude
539.161 km
Semi-major axis
6,918.173 km
Eccentricity
0.00013
Inclination
53.1612°
RAAN
111.4946°
Arg. of periapsis
89.7139°
True anomaly
270.38522°
Mean anomaly
270.3997°
Eccentric anomaly
270.39246°
Mean motion
3.77186 °/min
Orbital period
95.44 mins
BSTAR
0.000097627
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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-5121 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 20:51:18.465Z | 177.108° S | 2026-06-22 20:54:18.465Z | 117.705° SE | 22.218° | 2026-06-22 20:56:18.465Z | 82.34° E |
| 6 mins | 2026-06-22 22:30:18.465Z | 258.509° W | 2026-06-22 22:33:18.465Z | 342.312° N | 35.196° | 2026-06-22 22:36:18.465Z | 37.772° NE |
| 5 mins | 2026-06-23 03:32:18.465Z | 342.708° N | 2026-06-23 03:34:18.465Z | 29.477° NE | 26.474° | 2026-06-23 03:37:18.465Z | 86.726° E |
| 6 mins | 2026-06-23 05:11:18.465Z | 290.025° WNW | 2026-06-23 05:13:18.465Z | 245.783° WSW | 34.515° | 2026-06-23 05:17:18.465Z | 154.28° 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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