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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Edit Public Description
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, 4.4 m
Radar Cross Section
13.562 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 STARLINK-4439
1 53498U 22099AK 25259.04870868 -.00000237 00000-0 -13892-4 0 9996
2 53498 97.6020 19.2491 0001663 210.4619 149.6509 15.01259898169783Epoch: 2025-09-16T01:10Z
TLE epoch observation values (Epoch: 2025-09-16T01:10:08.429Z)
Latitude
-0.00006°
Longitude
6.46939°
Altitude
567.066 km
Speed
7.577 km/s
True Right ascension
01h 16m 59s
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
08:12:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
561.163 km
Perigee altitude
558.856 km
Semi-major axis
6,938.146 km
Eccentricity
0.00017
Inclination
97.602°
RAAN
19.2491°
Arg. of periapsis
210.4619°
True anomaly
149.66053°
Mean anomaly
149.6509°
Eccentric anomaly
149.65571°
Mean motion
3.75559 °/min
Orbital period
95.86 mins
BSTAR
-0.000013892
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-09-16 20:55:51.820Z | 14.264° NNE | 2025-09-16 20:58:51.820Z | 40.454° NE | 44.121° | 2025-09-16 21:02:51.820Z | 190.669° SSW |
| 5 mins | 2025-09-17 07:42:51.820Z | 129.566° SE | 2025-09-17 07:44:51.820Z | 71.055° E | 33.964° | 2025-09-17 07:47:51.820Z | 6.173° NNE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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