STARLINK-5578, 55374
Orbit data source: Space-Track
STARLINK-5578, 55374 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 26 Jan 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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55374 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: 2 days ago
TLE from 2 days ago
0 STARLINK-5578
1 55374U 23013AV 26170.98009486 -.00000581 00000-0 -11613-4 0 9995
2 55374 43.0018 104.1495 0000749 258.8525 101.2242 15.27572866187109Epoch: 2026-06-19T23:31Z
TLE epoch observation values (Epoch: 2026-06-19T23:31:20.195Z)
Latitude
-0.00007°
Longitude
-156.88601°
Altitude
482.946 km
Speed
7.626 km/s
True Right ascension
06h 56m 35s
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
21:37:53
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.529 km
Perigee altitude
484.501 km
Semi-major axis
6,863.152 km
Eccentricity
0.00007
Inclination
43.0018°
RAAN
104.1495°
Arg. of periapsis
258.8525°
True anomaly
101.23262°
Mean anomaly
101.2242°
Eccentric anomaly
101.22841°
Mean motion
3.81731 °/min
Orbital period
94.31 mins
BSTAR
-0.000011613
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Other satellites on launch #13 in the year 2023 (2023-01-26 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-5578 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 22:22:51.279Z | 229.112° WSW | 2026-06-22 22:24:51.279Z | 172.252° S | 40.443° | 2026-06-22 22:27:51.279Z | 78.785° E |
| 5 mins | 2026-06-23 00:01:51.279Z | 280.994° WNW | 2026-06-23 00:03:51.279Z | 337.847° N | 39.258° | 2026-06-23 00:06:51.279Z | 68.635° E |
| 6 mins | 2026-06-23 01:40:51.279Z | 293.779° NW | 2026-06-23 01:42:51.279Z | 334.88° NNW | 39.958° | 2026-06-23 01:46:51.279Z | 92.53° ESE |
| 5 mins | 2026-06-23 03:19:51.279Z | 272.136° WNW | 2026-06-23 03:21:51.279Z | 223.958° SW | 34.174° | 2026-06-23 03:24:51.279Z | 140.216° 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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