QPS-SAR-11 YAMATSUMI, 64340
Orbit data source: Space-Track
QPS-SAR-11 YAMATSUMI, 64340 is a payload satellite owned by QPS Labs (JP) in LEO that was launched on Wed, 11 Jun 2025 UTC via an ELECTRON launch vehicle from the Rocket Lab Launch Complex (RLLC). 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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Identifier
Orbit
Country
JP / JPNRelated business
Manufacturer
QPS Labs
Mission
Operational Commercial Radar Imaging
Bus & Motor
QSAT, Unknown motor
Mass
~120 kg wet, ~100 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Cyl + 2 Pan + 1 Dish, 14.5 m
Radar Cross Section
1.179 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 13 hours ago
TLE from 13 hours ago
0 QPS-SAR-11 YAMATSUMI
1 64340U 25125A 26129.07561106 .00003971 00000-0 31756-3 0 9993
2 64340 42.0086 47.3644 0011000 238.9693 121.0054 15.01273470 49746Epoch: 2026-05-09T01:48Z
TLE epoch observation values (Epoch: 2026-05-09T01:48:52.795Z)
Latitude
0.00002°
Longitude
153.2462°
Altitude
566.576 km
Speed
7.578 km/s
True Right ascension
03h 09m 27s
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
22:45:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
572.693 km
Perigee altitude
557.418 km
Semi-major axis
6,943.192 km
Eccentricity
0.0011
Inclination
42.0086°
RAAN
47.3644°
Arg. of periapsis
238.9693°
True anomaly
121.11336°
Mean anomaly
121.0054°
Eccentric anomaly
121.05939°
Mean motion
3.7515 °/min
Orbital period
95.96 mins
BSTAR
0.00031756
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Other satellites on launch #125 in the year 2025 (2025-06-11 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.QPS-SAR-11 YAMATSUMI 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-05-09 21:09:17.235Z | 196.665° SSW | 2026-05-09 21:12:17.235Z | 149.446° SSE | 21.351° | 2026-05-09 21:15:17.235Z | 98.228° ESE |
| 6 mins | 2026-05-09 22:50:17.235Z | 245.358° WSW | 2026-05-09 22:53:17.235Z | 108.38° ESE | 43.377° | 2026-05-09 22:56:17.235Z | 76.694° E |
| 6 mins | 2026-05-10 00:31:17.235Z | 281.849° WNW | 2026-05-10 00:34:17.235Z | 32.426° NE | 41.164° | 2026-05-10 00:37:17.235Z | 79.945° E |
| 6 mins | 2026-05-10 02:12:17.235Z | 283.377° WNW | 2026-05-10 02:15:17.235Z | 127.877° SE | 43.506° | 2026-05-10 02:18:17.235Z | 110.214° ESE |
| 5 mins | 2026-05-10 03:53:17.235Z | 254.679° W | 2026-05-10 03:55:17.235Z | 215.752° SW | 23.18° | 2026-05-10 03:58:17.235Z | 162.422° S |
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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