| Operator | JAXA |
|---|---|
| Mission duration | ≥9 years (proposed) |
| Start of mission | |
| Launch date | 2020 (cancelled) |
| Orbital parameters | |
| Reference system | Zenocentric |
| Regime | Equatorial |
| Inclination | 0° |
| Jupiter orbiter | |
| Orbital insertion | 2029 (proposed) |
The Jupiter Magnetospheric Orbiter (木星磁気圏オービター, JMO) is a cancelled space probe proposed by the Japanese Aerospace Exploration Agency (JAXA), to undertake detailed in situ studies of the magnetosphere of Jupiter as a template for an astrophysical magnetised disk.