STARLINK-5947, 55989
Orbit data source: Space-Track
STARLINK-5947, 55989 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 24 Mar 2023 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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55989 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-5947
1 55989U 23042D 26171.37035637 .00000803 00000-0 38689-4 0 9997
2 55989 43.0006 199.6807 0000980 279.6179 80.4562 15.27584480178576Epoch: 2026-06-20T08:53Z
TLE epoch observation values (Epoch: 2026-06-20T08:53:18.790Z)
Latitude
-0.00001°
Longitude
157.76645°
Altitude
482.7 km
Speed
7.626 km/s
True Right ascension
13h 18m 43s
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
00:27:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.653 km
Perigee altitude
484.308 km
Semi-major axis
6,863.118 km
Eccentricity
0.0001
Inclination
43.0006°
RAAN
199.6807°
Arg. of periapsis
279.6179°
True anomaly
80.46727°
Mean anomaly
80.4562°
Eccentric anomaly
80.46174°
Mean motion
3.81734 °/min
Orbital period
94.31 mins
BSTAR
0.000038689
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Other satellites on launch #42 in the year 2023 (2023-03-24 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-5947 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 | 2026-06-23 04:36:12.947Z | 219.631° SW | 2026-06-23 04:38:12.947Z | 150.974° SSE | 37.826° | 2026-06-23 04:41:12.947Z | 80.191° E |
| 5 mins | 2026-06-23 06:15:12.947Z | 279.628° WNW | 2026-06-23 06:17:12.947Z | 358.669° N | 40.456° | 2026-06-23 06:20:12.947Z | 69.451° E |
| 5 mins | 2026-06-23 07:54:12.947Z | 295.965° NW | 2026-06-23 07:56:12.947Z | 357.918° N | 40.296° | 2026-06-23 07:59:12.947Z | 86.436° E |
| 5 mins | 2026-06-23 09:33:12.947Z | 273.53° WNW | 2026-06-23 09:35:12.947Z | 211.924° SW | 38.046° | 2026-06-23 09:38:12.947Z | 132.578° SE |
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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