STARLINK-5689, 55474
Orbit data source: Space-Track
STARLINK-5689, 55474 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 02 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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55474 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational spacecraft
Bus & Motor
STARLINK, Unknown motor
Mass
305 kg wet, ~290 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown shape, 10.1 m
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 STARLINK-5689
1 55474U 23015AB 26078.25002315 .00010790 00000-0 48082-3 0 9999
2 55474 42.9994 285.8011 0001241 288.1279 181.0404 15.21474381 5777Epoch: 2026-03-19T06:00Z
TLE epoch observation values (Epoch: 2026-03-19T06:00:02.000Z)
Latitude
40.25444°
Longitude
134.43735°
Altitude
504.771 km
Speed
7.617 km/s
True Right ascension
02h 44m 59s
True Declination
40° 04' 43"
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
20:26:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
504.187 km
Perigee altitude
502.479 km
Semi-major axis
6,881.47 km
Eccentricity
0.00012
Inclination
42.9994°
RAAN
285.8011°
Arg. of periapsis
288.1279°
True anomaly
181.04014°
Mean anomaly
181.0404°
Eccentric anomaly
181.04027°
Mean motion
3.80208 °/min
Orbital period
94.68 mins
BSTAR
0.00048082
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Other satellites on launch #15 in the year 2023 (2023-02-02 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-5689 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 | 2026-03-19 16:44:28.166Z | 202.186° SSW | 2026-03-19 16:47:28.166Z | 143.884° SSE | 24.301° | 2026-03-19 16:50:28.166Z | 89.863° E |
| 5 mins | 2026-03-19 18:24:28.166Z | 256.859° W | 2026-03-19 18:26:28.166Z | 339.231° N | 44.762° | 2026-03-19 18:29:28.166Z | 70.686° E |
| 6 mins | 2026-03-19 20:03:28.166Z | 288.829° WNW | 2026-03-19 20:06:28.166Z | 26.113° NE | 37.258° | 2026-03-19 20:09:28.166Z | 77.416° E |
| 5 mins | 2026-03-19 21:43:28.166Z | 288.16° WNW | 2026-03-19 21:45:28.166Z | 285.715° WNW | 44.765° | 2026-03-19 21:48:28.166Z | 109.334° ESE |
| 4 mins | 2026-03-19 23:23:28.166Z | 242.201° WSW | 2026-03-19 23:24:28.166Z | 219.558° SW | 21.414° | 2026-03-19 23:27:28.166Z | 163.739° 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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