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Japanese solid-fuel launcher.
- First stage: SRB-A3, from H2A.
- Second stage: M-34c solid motor (improved version of the 3rd stage of the old ISAS M-V rocket), later M-35 with 2.6 m diameter
- Third stage: KM-V2b, derived from the KM-V2 kick motor
- Final stage: new liquid propulsion Post-Boost System (PBS) with 8 50N thrusters.

Launch cost 5 billion Yen ($45 million)

Epsilon launches

# Launch id Payload Launch Date Site Type Status/Comment (orbit in perigee x apogee x inclination x period)
1 13049 Sprint A 14 Sep 2013 at 05:00 UT   1156.8 x 946.8 km x 29.7°
(planned: 1150 x 950 km x 30°)
2 16080 Sprint B 20 Dec 2016 at 11:00 UT   New second stage: M-35
3 18007 Asnaro 2 17 Jan 2018 at 21:06 UT    
Notes: in the launch site column U stands for Uchinouora.

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