STARLINK-4450, 53491
Orbit data source: Space-Track
STARLINK-4450, 53491 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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53491 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: 13 hours ago
TLE from 13 hours ago
0 STARLINK-4450
1 53491U 22099AC 25259.12092061 -.00000580 00000-0 -40598-4 0 9993
2 53491 97.6025 19.3169 0000693 116.4521 243.6774 15.01258901169797Epoch: 2025-09-16T02:54Z
TLE epoch observation values (Epoch: 2025-09-16T02:54:07.54Z)
Latitude
-0.00009°
Longitude
-19.53028°
Altitude
566.286 km
Speed
7.578 km/s
True Right ascension
01h 17m 16s
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
08:12:44
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
560.493 km
Perigee altitude
559.532 km
Semi-major axis
6,938.15 km
Eccentricity
0.00007
Inclination
97.6025°
RAAN
19.3169°
Arg. of periapsis
116.4521°
True anomaly
243.67028°
Mean anomaly
243.6774°
Eccentric anomaly
243.67384°
Mean motion
3.75559 °/min
Orbital period
95.86 mins
BSTAR
-0.000040598
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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-4450 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 21:03:53.324Z | 8.578° NNE | 2025-09-16 21:06:53.324Z | 315.018° NNW | 44.207° | 2025-09-16 21:10:53.324Z | 197.759° SSW |
| 6 mins | 2025-09-17 07:49:53.324Z | 146.408° SSE | 2025-09-17 07:52:53.324Z | 63.033° ENE | 38.453° | 2025-09-17 07:55:53.324Z | 0.432° NNE |
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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