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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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
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 19 hours ago
TLE from 19 hours ago
0 STARLINK-5578
1 55374U 23013AV 25348.88101641 -.00000645 00000-0 -32706-4 0 9993
2 55374 43.0025 54.0060 0000961 262.9335 97.1398 15.02538175158807Epoch: 2025-12-14T21:08Z
TLE epoch observation values (Epoch: 2025-12-14T21:08:39.817Z)
Latitude
-0.00004°
Longitude
13.05248°
Altitude
558.934 km
Speed
7.584 km/s
True Right ascension
03h 36m 01s
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
15:08:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.663 km
Perigee altitude
560.33 km
Semi-major axis
6,939.133 km
Eccentricity
0.0001
Inclination
43.0025°
RAAN
54.006°
Arg. of periapsis
262.9335°
True anomaly
97.15073°
Mean anomaly
97.1398°
Eccentric anomaly
97.14526°
Mean motion
3.75479 °/min
Orbital period
95.88 mins
BSTAR
-0.000032706
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-12-16 06:50:04.303Z | 191.793° SSW | 2025-12-16 06:53:04.303Z | 136.646° SSE | 21.823° | 2025-12-16 06:56:04.303Z | 91.076° ESE |
| 7 mins | 2025-12-16 08:30:04.303Z | 248.737° W | 2025-12-16 08:33:04.303Z | 147.47° SSE | 44.952° | 2025-12-16 08:37:04.303Z | 72.298° E |
| 6 mins | 2025-12-16 10:11:04.303Z | 285.072° WNW | 2025-12-16 10:14:04.303Z | 8.36° NNE | 39.284° | 2025-12-16 10:17:04.303Z | 73.774° E |
| 6 mins | 2025-12-16 11:52:04.303Z | 289.842° WNW | 2025-12-16 11:55:04.303Z | 71.293° E | 44.267° | 2025-12-16 11:58:04.303Z | 104.336° ESE |
| 5 mins | 2025-12-16 13:33:04.303Z | 260.182° W | 2025-12-16 13:35:04.303Z | 218.462° SW | 26.208° | 2025-12-16 13:38:04.303Z | 158.963° S |
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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