# H3-22 Michibiki 7 Mission Overview

On August 10, 2026, Mitsubishi Heavy Industries successfully launched the Michibiki 7 satellite aboard an H3-22 rocket from Japan's Tanegashima Space Center. Michibiki 7, also designated QZS-7, is the latest addition to Japan's Quasi Zenith Satellite System, a navigation constellation designed to complement and enhance GPS capabilities across the Asia-Pacific region. The satellite will operate from an inclined, elliptical geosynchronous orbit optimized for high-elevation visibility in challenging urban and mountainous terrain.

The QZSS constellation broadcasts GPS-interoperable augmentation signals alongside original Japanese navigation signals, providing improved positioning accuracy and availability where conventional satellite navigation struggles. Michibiki 7 joins the network of satellites engineered to deliver enhanced coverage and redundancy for Japan's critical infrastructure, transportation systems, and civilian applications requiring precise positioning data.

The successful launch marked another milestone for Japan's space program and the H3 rocket platform. Michibiki 7's deployment advances Japan's goal of establishing a fully operational, independent navigation system capable of delivering continuous, high-accuracy positioning services across the region. The mission reinforces Japan's commitment to space-based infrastructure and technological sovereignty in satellite navigation.