STARLINK-5198, 54099
Orbit data source: Space-Track
STARLINK-5198, 54099 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Thu, 20 Oct 2022 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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54099 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: 6 hours ago
TLE from 6 hours ago
0 STARLINK-5198
1 54099U 22136BA 26090.83560604 -.00000328 00000-0 -25269-5 0 9994
2 54099 53.2197 234.2612 0001568 91.3493 268.7679 15.08840270190331Epoch: 2026-03-31T20:03Z
TLE epoch observation values (Epoch: 2026-03-31T20:03:16.361Z)
Latitude
-0.00003°
Longitude
104.23592°
Altitude
540.664 km
Speed
7.593 km/s
True Right ascension
15h 37m 02s
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
07:20:29
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
541.072 km
Perigee altitude
538.902 km
Semi-major axis
6,918.124 km
Eccentricity
0.00016
Inclination
53.2197°
RAAN
234.2612°
Arg. of periapsis
91.3493°
True anomaly
268.74994°
Mean anomaly
268.7679°
Eccentric anomaly
268.75892°
Mean motion
3.7719 °/min
Orbital period
95.44 mins
BSTAR
-0.0000025269
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Other satellites on launch #136 in the year 2022 (2022-10-20 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-5198 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-04-01 12:07:11.815Z | 222.239° SW | 2026-04-01 12:11:11.815Z | 88.625° E | 42.847° | 2026-04-01 12:14:11.815Z | 53.693° ENE |
| 4 mins | 2026-04-01 13:49:11.815Z | 307.788° NW | 2026-04-01 13:50:11.815Z | 328.57° NNW | 20.887° | 2026-04-01 13:53:11.815Z | 23.803° NE |
| 4 mins | 2026-04-01 17:10:11.815Z | 350.694° N | 2026-04-01 17:12:11.815Z | 27.634° NE | 17.172° | 2026-04-01 17:14:11.815Z | 59.53° ENE |
| 6 mins | 2026-04-01 18:49:11.815Z | 317.906° NNW | 2026-04-01 18:52:11.815Z | 86.595° E | 41.241° | 2026-04-01 18:55:11.815Z | 121.757° SE |
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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