STARLINK-5498, 55633
Orbit data source: Space-Track
STARLINK-5498, 55633 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Fri, 17 Feb 2023 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). 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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55633 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-5498
1 55633U 23021F 26171.40017794 .00000032 00000-0 10439-4 0 9995
2 55633 69.9995 305.4671 0003364 268.8186 91.2588 14.98332777183682Epoch: 2026-06-20T09:36Z
TLE epoch observation values (Epoch: 2026-06-20T09:36:15.374Z)
Latitude
-0.00002°
Longitude
-107.21231°
Altitude
574.523 km
Speed
7.574 km/s
True Right ascension
20h 21m 52s
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
21:40:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.333 km
Perigee altitude
567.658 km
Semi-major axis
6,948.133 km
Eccentricity
0.00034
Inclination
69.9995°
RAAN
305.4671°
Arg. of periapsis
268.8186°
True anomaly
91.29734°
Mean anomaly
91.2588°
Eccentric anomaly
91.27807°
Mean motion
3.74749 °/min
Orbital period
96.06 mins
BSTAR
0.000010439
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Other satellites on launch #21 in the year 2023 (2023-02-17 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-5498 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-22 11:28:18.364Z | 281.738° WNW | 2026-06-22 11:30:18.364Z | 312.699° NW | 13.915° | 2026-06-22 11:32:18.364Z | 341.529° N |
| 6 mins | 2026-06-22 19:51:18.364Z | 326.389° NNW | 2026-06-22 19:54:18.364Z | 206.732° SW | 41.446° | 2026-06-22 19:57:18.364Z | 166.764° S |
| 6 mins | 2026-06-23 09:51:18.364Z | 199.982° SSW | 2026-06-23 09:53:18.364Z | 185.92° SSW | 43.541° | 2026-06-23 09:57:18.364Z | 25.909° NE |
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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