QPS-SAR-14 YACHIHOKO-1, 66316
Orbit data source: Space-Track
QPS-SAR-14 YACHIHOKO-1, 66316 is a payload satellite owned by QPS Labs (JP) in LEO that was launched on Wed, 05 Nov 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: 16 hours ago
TLE from 16 hours ago
0 QPS-SAR-14 YACHIHOKO-1
1 66316U 25252A 26171.19195484 .00003706 00000-0 30970-3 0 9994
2 66316 42.0038 115.3015 0007425 275.3647 84.6331 14.99709657 33962Epoch: 2026-06-20T04:36Z
TLE epoch observation values (Epoch: 2026-06-20T04:36:24.898Z)
Latitude
-0.00002°
Longitude
137.78762°
Altitude
566.983 km
Speed
7.58 km/s
True Right ascension
07h 41m 12s
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
07:18:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
575.038 km
Perigee altitude
564.72 km
Semi-major axis
6,948.016 km
Eccentricity
0.00074
Inclination
42.0038°
RAAN
115.3015°
Arg. of periapsis
275.3647°
True anomaly
84.71782°
Mean anomaly
84.6331°
Eccentric anomaly
84.67546°
Mean motion
3.74759 °/min
Orbital period
96.06 mins
BSTAR
0.0003097
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Other satellites on launch #252 in the year 2025 (2025-11-05 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-14 YACHIHOKO-1 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 | 2026-06-21 00:01:34.996Z | 225.135° WSW | 2026-06-21 00:04:34.996Z | 130.191° SE | 37.729° | 2026-06-21 00:07:34.996Z | 81.389° E |
| 6 mins | 2026-06-21 01:42:34.996Z | 273.334° WNW | 2026-06-21 01:44:34.996Z | 307.335° NW | 41.552° | 2026-06-21 01:48:34.996Z | 75.902° E |
| 6 mins | 2026-06-21 03:23:34.996Z | 286.894° WNW | 2026-06-21 03:26:34.996Z | 61.367° ENE | 43.327° | 2026-06-21 03:29:34.996Z | 96.6° ESE |
| 6 mins | 2026-06-21 05:04:34.996Z | 267.191° W | 2026-06-21 05:06:34.996Z | 225.824° WSW | 32.26° | 2026-06-21 05:10:34.996Z | 140.314° SSE |
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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