QSAT Satellite Bus
Data current as of 2026-07-20.
The QSAT bus accounts for 13 cataloged objects, of which 9 are in orbit and 9 are active. 4 have reentered. Most are built by QPS. The largest operator on this bus is QPS Research. The first launched in 2014, the most recent in 2025.
9
In orbit
9
Active
13
Total launched
4
Reentered
QSAT launched per year
Still in orbit Since reentered Click a year to list its satellites.
Typical specifications
Most common values across cataloged QSAT satellites.
| Manufacturer | QPS |
|---|---|
| Purpose | Earth observation, radar |
| Launch mass | 120 kg |
| Dry mass | 100 kg |
| Length | 0.6 m |
| Diameter | 0.8 m |
| Span | 3.6 m |
| Shape | Hex Cyl + 2 Pan + Dish |
| Power | 2 deployable solar arrays, solar cells, batteries |
| Equipment | X-band SAR |
| Typical orbit | 96 min period, 42° inclination |
Top operators
QPS Research 12 KYUD/QPS 1
Top countries
J 7 JPN 6
QSAT satellites
Track any of them live in KeepTrack.
| Name | NORAD | COSPAR | Owner | Launched | Orbit | Status | Track |
|---|---|---|---|---|---|---|---|
| QPS-SAR-15 SUKUNAMI-1 | 67228 | 2025-307A | QPS | Dec 21, 2025 | 96 min, 42.0° | Active | ◉ |
| QPS-SAR-14 YACHIHOKO-1 | 66316 | 2025-252A | QPS | Nov 5, 2025 | 96 min, 42.0° | Active | ◉ |
| QPS-SAR-12 KUSHINADA-I | 65116 | 2025-169A | QPS | Aug 5, 2025 | 96 min, 42.0° | Active | ◉ |
| QPS-SAR-11 YAMATSUMI | 64340 | 2025-125A | QPS | Jun 11, 2025 | 96 min, 42.0° | Active | ◉ |
| QPS-SAR-10 WADATSUMI-I | 64055 | 2025-104A | QPS | May 17, 2025 | 96 min, 42.0° | Active | ◉ |
| QPS-SAR-9 SUSANOO-I | 63205 | 2025-050A | QPS | Mar 15, 2025 | 96 min, 42.0° | Active | ◉ |
| QPS-SAR-8 (AMATERU-IV) Amateru 4 | 60542 | 2024-149CC | QPS | Aug 16, 2024 | 96 min, 97.7° | Active | ◉ |
| QPS-SAR-7 (TSUKUYOMI-II) Tsukuyomi-II | 59447 | 2024-066F | QPS | Apr 7, 2024 | 95 min, 45.6° | Active | ◉ |
| QPS-SAR-5 (TSUKUYOMI-I) Tsukuyomi-I | 58578 | 2023-196A | QPS | Dec 15, 2023 | 95 min, 42.0° | Active | ◉ |
| QPS-SAR-6 (AMATERU-III) AMATERU-III | 56951 | 2023-084V | QPS | Jun 12, 2023 | 87 min, 97.5° | Reentered | ◉ |
| QPS-SAR-2 (IZANAMI) Izanami | 47485 | 2021-006CA | QPS | Jan 24, 2021 | 88 min, 97.3° | Reentered | ◉ |
| QPS-SAR-1 (IZANAGI) Izanagi | 44856 | 2019-089E | QPS | Dec 11, 2019 | 88 min, 36.9° | Reentered | ◉ |
| QSAT-EOS Tsukushi | 40301 | 2014-070D | KYUD/QPS | Nov 6, 2014 | 87 min, 97.1° | Reentered | ◉ |
Frequently asked questions
How many QSAT satellites are there?
The catalog lists 13 objects built on the QSAT bus. 9 are in orbit and 4 have reentered.
How many QSAT satellites are in orbit?
9 QSAT objects are currently in orbit, of which 9 carry an active status.
Who builds the QSAT bus?
The QSAT bus is most commonly built by QPS.
When did the first QSAT satellite launch?
The first cataloged QSAT satellite launched in 2014, and the most recent in 2025.