Institute of Space and Astronautical Sci

4 satellites in orbit, 2 operating.

The count is the catalogue’s as of Nov 9, 2026, 12:17 PM; whether a satellite is operating is as Orbinauts writes it where it has written when the satellite’s mission ended, and otherwise as Jonathan McDowell’s general catalogue believes it, licensed CC BY 4.0: GCAT

Institute of Space and Astronautical Sci is how GCAT, Jonathan McDowell’s general catalogue (CC BY 4.0), names the organisation under the code ISASJ, of Japan (Nippon), State of. This page gathers the satellites it flies and those of every organisation under it, each row naming the organisation that flies it. It is part of Japan Aerospace Exploration Agency. See every satellite of Japan Aerospace Exploration Agency.

SatelliteKindOrbit classLaunchedOperatingFlown by
ARASE (ERG)Not knownHighly elliptical orbitYes
SPRINT ASpace telescopeLow Earth orbitEnded
HINODE (SOLAR B)Space telescopeLow Earth orbitYes
INDEXNot knownLow Earth orbitEnded