STARLINK-4439, 53498
Orbit data source: Space-Track
STARLINK-4439, 53498 is a payload satellite owned by SpaceX/Seattle (US) in SSO that was launched on Fri, 12 Aug 2022 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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53498 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
300 kg wet, ~275 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: 16 hours ago
TLE from 16 hours ago
0 STARLINK-4439
1 53498U 22099AK 26145.29315595 -.00000613 00000-0 -38427-4 0 9998
2 53498 97.4482 266.2963 0001400 171.2562 188.8690 15.05656935207574Epoch: 2026-05-25T07:02Z
TLE epoch observation values (Epoch: 2026-05-25T07:02:08.674Z)
Latitude
0.00002°
Longitude
-82.12287°
Altitude
553.518 km
Speed
7.584 km/s
True Right ascension
17h 45m 11s
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
08:01:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
547.446 km
Perigee altitude
545.507 km
Semi-major axis
6,924.614 km
Eccentricity
0.00014
Inclination
97.4482°
RAAN
266.2963°
Arg. of periapsis
171.2562°
True anomaly
188.86653°
Mean anomaly
188.869°
Eccentric anomaly
188.86776°
Mean motion
3.7666 °/min
Orbital period
95.58 mins
BSTAR
-0.000038427
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Other satellites on launch #99 in the year 2022 (2022-08-12 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-4439 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 | 2026-05-26 07:07:30.433Z | 98.565° ESE | 2026-05-26 07:09:30.433Z | 62.416° ENE | 16.704° | 2026-05-26 07:11:30.433Z | 29.59° NE |
| 5 mins | 2026-05-26 08:41:30.433Z | 210.573° SW | 2026-05-26 08:43:30.433Z | 255.751° W | 27.964° | 2026-05-26 08:46:30.433Z | 321.518° NNW |
| 5 mins | 2026-05-26 20:18:30.433Z | 47.851° ENE | 2026-05-26 20:20:30.433Z | 91.914° ESE | 25.938° | 2026-05-26 20:23:30.433Z | 153.121° SSE |
| 4 mins | 2026-05-26 21:53:30.433Z | 323.467° NNW | 2026-05-26 21:55:30.433Z | 285.181° WNW | 17.998° | 2026-05-26 21:57:30.433Z | 251.391° W |
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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