STARLINK-5909, 55938
Orbit data source: Space-Track
STARLINK-5909, 55938 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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55938 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
11.087 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 STARLINK-5909
1 55938U 23037AA 26171.32600715 -.00000140 00000-0 -39719-5 0 9997
2 55938 69.9993 25.6953 0002831 266.4354 93.6482 14.98340150179353Epoch: 2026-06-20T07:49Z
TLE epoch observation values (Epoch: 2026-06-20T07:49:27.017Z)
Latitude
0.00002°
Longitude
-0.2095°
Altitude
574.574 km
Speed
7.574 km/s
True Right ascension
01h 42m 46s
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
21:41:24
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.94 km
Perigee altitude
568.006 km
Semi-major axis
6,948.11 km
Eccentricity
0.00028
Inclination
69.9993°
RAAN
25.6953°
Arg. of periapsis
266.4354°
True anomaly
93.68057°
Mean anomaly
93.6482°
Eccentric anomaly
93.66439°
Mean motion
3.74751 °/min
Orbital period
96.06 mins
BSTAR
-0.0000039719
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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-5909 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 14:26:22.126Z | 140.665° SSE | 2026-06-22 14:28:22.126Z | 106.447° ESE | 18.565° | 2026-06-22 14:31:22.126Z | 59.053° ENE |
| 5 mins | 2026-06-22 16:04:22.126Z | 249.865° W | 2026-06-22 16:06:22.126Z | 295.428° NW | 28.801° | 2026-06-22 16:09:22.126Z | 358.796° N |
| 6 mins | 2026-06-23 00:28:22.126Z | 1.44° NNE | 2026-06-23 00:30:22.126Z | 48.627° ENE | 33.385° | 2026-06-23 00:34:22.126Z | 131.76° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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