STARLINK-5900, 55948
Orbit data source: Space-Track
STARLINK-5900, 55948 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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55948 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-5900
1 55948U 23037AL 26170.98780860 .00000527 00000-0 51973-4 0 9991
2 55948 70.0002 6.6404 0002819 268.6513 91.4323 14.98341583179794Epoch: 2026-06-19T23:42Z
TLE epoch observation values (Epoch: 2026-06-19T23:42:26.663Z)
Latitude
-0.00001°
Longitude
102.8204°
Altitude
574.493 km
Speed
7.574 km/s
True Right ascension
00h 26m 33s
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
21:39:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
571.927 km
Perigee altitude
568.01 km
Semi-major axis
6,948.105 km
Eccentricity
0.00028
Inclination
70.0002°
RAAN
6.6404°
Arg. of periapsis
268.6513°
True anomaly
91.46459°
Mean anomaly
91.4323°
Eccentric anomaly
91.44845°
Mean motion
3.74752 °/min
Orbital period
96.06 mins
BSTAR
0.000051973
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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-5900 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-22 14:21:01.873Z | 221.991° SW | 2026-06-22 14:23:01.873Z | 265.517° W | 40.07° | 2026-06-22 14:27:01.873Z | 15.972° NNE |
| 4 mins | 2026-06-22 22:46:01.873Z | 24.93° NE | 2026-06-22 22:48:01.873Z | 68.321° E | 21.979° | 2026-06-22 22:50:01.873Z | 103.038° ESE |
| 5 mins | 2026-06-23 00:24:01.873Z | 292.716° NW | 2026-06-23 00:26:01.873Z | 247.205° WSW | 24.945° | 2026-06-23 00:29:01.873Z | 196.996° SSW |
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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