Full Name Hodoyoshi-3 and 4 Status Operational (nominal)
Mission Agencies ISSL UT Launch Date 19 Jun 2014
Mission Links EOL Date Jun 2025
EO Portal Info NORAD Catalog #
International Designator
Orbit Type Inclined, non-sun-synchronous Orbit Period 97.4 minutes
Orbit Sense Ascending Orbit Inclination 97.6 deg
Orbit Altitude 600 km Orbit Longitude
Orbit LST Repeat Cycle
Objectives and Applications The primary mission of H3 and H4 is Earth observation by using various optical sensors. H3 has two different cameras which are low- and mid-resolution with a GSD (Ground Sampling Distance) of 250 m and 40 m; on the other hand, H4 has one relatively high-resolution camera with a GSD of 6-10 m. Furthermore, the satellites have various secondary mission instruments, for example, wide-angle minicameras, hosted payload boxes, technology demonstration module and materials, UHF data receiving system for a Store and Forward mission, in order to provide opportunities for rapid new technology demonstration on orbit and low-cost commercial usage like advertisement in space.
Mission Measurements
Mission Instruments
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