QZS-4, 42965
Orbit data source: Space-Track
QZS-4, 42965 is a Japanese payload satellite that was launched on Mon, 09 Oct 2017 UTC via an H-IIA 202 launch vehicle from the Tanegashima Space Center (TNSTA). 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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42965 intel report (Beta)
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Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
MELCO
Mission
Operational Civil Nav/Com
Bus & Motor
DS-2000, LAPS-500?
Mass
4,020 kg wet, 1,802 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 12.7 m
Radar Cross Section
39.598 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 4 days ago
TLE from 4 days ago
0 QZS-4
1 42965U 17062A 26169.35012919 -.00000360 00000-0 00000+0 0 9995
2 42965 40.1070 343.4662 0745019 271.8091 274.2172 1.00250086 31812Epoch: 2026-06-18T08:24Z
TLE epoch observation values (Epoch: 2026-06-18T08:24:11.162Z)
Latitude
1.61355°
Longitude
128.88936°
Altitude
35,800.594 km
Speed
3.074 km/s
True Right ascension
10h 46m 07s
True Declination
1° 36' 43"
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
21:25:52
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
38,934.94 km
Perigee altitude
32,651.265 km
Semi-major axis
42,171.239 km
Eccentricity
0.0745
Inclination
40.107°
RAAN
343.4662°
Arg. of periapsis
271.8091°
True anomaly
265.6761°
Mean anomaly
274.2172°
Eccentric anomaly
269.94856°
Mean motion
0.25062 °/min
Orbital period
1,436.43 mins
BSTAR
0
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Other satellites on launch #62 in the year 2017 (2017-10-09 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.QZS-4 Visibility
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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. |
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| QZS-4 is likely not visible in the next few days. |
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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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