QZS-3, 42917
Orbit data source: Space-Track
QZS-3, 42917 is a Japanese payload satellite in GEO that was launched on Sat, 19 Aug 2017 UTC via an H-IIA 204 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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42917 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
4,700 kg wet, 2,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 9.5 m
Radar Cross Section
35.952 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 QZS-3
1 42917U 17048A 26171.48424844 -.00000352 00000-0 00000+0 0 9998
2 42917 0.0575 161.6136 0001992 282.9218 125.4966 1.00274667 32291Epoch: 2026-06-20T11:37Z
TLE epoch observation values (Epoch: 2026-06-20T11:37:19.065Z)
Latitude
0.03549°
Longitude
127.03526°
Altitude
35,790.168 km
Speed
3.074 km/s
True Right ascension
14h 00m 15s
True Declination
0° 02' 08"
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
21:28:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,795.257 km
Perigee altitude
35,778.458 km
Semi-major axis
42,164.994 km
Eccentricity
0.0002
Inclination
0.0575°
RAAN
161.6136°
Arg. of periapsis
282.9218°
True anomaly
125.51518°
Mean anomaly
125.4966°
Eccentric anomaly
125.50589°
Mean motion
0.25068 °/min
Orbital period
1,436.11 mins
BSTAR
0
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Other satellites on launch #48 in the year 2017 (2017-08-19 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-3 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-3 is likely not visible in the next few days. |
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42917 neighbors
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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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