Epsilon

Japanese solid-fuel launcher Measuring 2.6 meters in diameter and 26 meters in length and has a mass of 96 tons.

- 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)

Launch Capability: Sun Synchronous Orbit: Over 600 kg (Altitude 350 to 700 km), (Extra goal: Over 800 kg (Altitude 350 km)), Low Earth Orbit: Over 1,400 kg (Altitude 500 km, Orbit Inclination Angle 31.1 deg)

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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	U		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	U		New second stage: M-35
3	18007	Asnaro 2	17 Jan 2018 at 21:06 UT	U
4	19003	A: Rapis 1 B: Origamisat 1 C: Hodoyoshi 2 / Risesat D: MicroDragon F: Nexus G: Ale 1 J: Velox 4 K: Ale-Dom	18 Jan 2019 at 00:50 UTC	U
5	21102	A: Asutarisuku B: Teikyosat 4 C: Raise 2 D: Nanodragon E: Z-Sat F: Hibari G: Drums H: Kosen 1 Arica (1U)	9 Nov 2021 at 00:55 UTC	U		550 x 572 km x 97.57°
6	n/a	Raise 3 (110 hk) QPS-SAR 3 and 4 Mitsuba (2U) Waseda Sat 0 (1U) Magnaro 1 & 2 Kosen 2 (2U) FSI-sat (1U)	12 Oct 2022 at 00:50 UTC	U		failure in the second stage

Notes: in the launch site column U stands for Uchinouora.

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