STARLINK-5736, 55584
Orbit data source: Space-Track
STARLINK-5736, 55584 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Sun, 12 Feb 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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55584 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-5736
1 55584U 23020R 26023.31348833 -.00000286 00000-0 -61256-5 0 9993
2 55584 43.0017 251.1971 0001059 279.2076 80.8647 15.02530456162090Epoch: 2026-01-23T07:31Z
TLE epoch observation values (Epoch: 2026-01-23T07:31:25.391Z)
Latitude
0°
Longitude
15.68722°
Altitude
558.758 km
Speed
7.584 km/s
True Right ascension
16h 44m 47s
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
04:07:51
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.755 km
Perigee altitude
560.285 km
Semi-major axis
6,939.157 km
Eccentricity
0.00011
Inclination
43.0017°
RAAN
251.1971°
Arg. of periapsis
279.2076°
True anomaly
80.87668°
Mean anomaly
80.8647°
Eccentric anomaly
80.87069°
Mean motion
3.75477 °/min
Orbital period
95.88 mins
BSTAR
-0.0000061256
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Other satellites on launch #20 in the year 2023 (2023-02-12 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-5736 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 | 2026-01-24 17:12:31.576Z | 185.12° SSW | 2026-01-24 17:15:31.576Z | 133.18° SE | 18.85° | 2026-01-24 17:17:31.576Z | 101.427° ESE |
| 6 mins | 2026-01-24 18:52:31.576Z | 242.825° WSW | 2026-01-24 18:55:31.576Z | 118.074° SE | 43.943° | 2026-01-24 18:58:31.576Z | 73.992° E |
| 6 mins | 2026-01-24 20:33:31.576Z | 284.227° WNW | 2026-01-24 20:36:31.576Z | 21.981° NNE | 38.695° | 2026-01-24 20:39:31.576Z | 73.32° E |
| 6 mins | 2026-01-24 22:14:31.576Z | 291.726° WNW | 2026-01-24 22:17:31.576Z | 70.19° E | 42.408° | 2026-01-24 22:20:31.576Z | 100.186° ESE |
| 5 mins | 2026-01-24 23:55:31.576Z | 260.883° W | 2026-01-24 23:57:31.576Z | 212.499° SW | 29.518° | 2026-01-25 00:00:31.576Z | 151.782° SSE |
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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