STARLINK-5921, 55926
Orbit data source: Space-Track
STARLINK-5921, 55926 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Mar 2023 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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55926 intel report (Beta)
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Edit Public Description
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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 STARLINK-5921
1 55926U 23037N 25348.81395914 .00000430 00000-0 43850-4 0 9995
2 55926 69.9995 138.5787 0003138 269.2010 90.8789 14.98330646151260Epoch: 2025-12-14T19:32Z
TLE epoch observation values (Epoch: 2025-12-14T19:32:06.069Z)
Latitude
-0.00008°
Longitude
121.8319°
Altitude
574.512 km
Speed
7.574 km/s
True Right ascension
09h 14m 18s
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
13:19:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.183 km
Perigee altitude
567.822 km
Semi-major axis
6,948.139 km
Eccentricity
0.00031
Inclination
69.9995°
RAAN
138.5787°
Arg. of periapsis
269.201°
True anomaly
90.91485°
Mean anomaly
90.8789°
Eccentric anomaly
90.89688°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.00004385
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Other satellites on launch #37 in the year 2023 (2023-03-17 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-5921 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 | 2025-12-15 20:06:29.070Z | 13.421° NNE | 2025-12-15 20:09:29.070Z | 64.214° ENE | 18.038° | 2025-12-15 20:11:29.070Z | 95.722° ESE |
| 5 mins | 2025-12-15 21:45:29.070Z | 301.914° NW | 2025-12-15 21:47:29.070Z | 249.477° W | 30.978° | 2025-12-15 21:50:29.070Z | 189.381° SSW |
| 6 mins | 2025-12-16 11:44:29.070Z | 224.472° SW | 2025-12-16 11:47:29.070Z | 303.895° NW | 38.717° | 2025-12-16 11:50:29.070Z | 11.096° NNE |
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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