H-II Launch History

Every orbital and deep-space launch attempt by the H-II family, year by year, drawn from the GCAT launch catalog.

Data current as of 2026-07-20.

H-II made 66 orbital and deep-space launch attempts between 1994 and 2025. Of those, 63 succeeded and 3 failed. The success rate comes to 95 percent. The busiest year was 2017, with 6 flights. The most recent flight in the catalog was in 2025.

Launch attempts

Successes

Failures

95%

Success rate

Launches per year

Successes Failures Each bar links to that year's full chronology.

Year by year

Year	Attempts	Successes	Failures	Success rate
2025	1	1	0	100%
2024	2	2	0	100%
2023	2	2	0	100%
2021	2	2	0	100%
2020	4	4	0	100%
2019	1	1	0	100%
2018	4	4	0	100%
2017	6	6	0	100%
2016	3	3	0	100%
2015	4	4	0	100%
2014	4	4	0	100%
2013	2	2	0	100%
2012	2	2	0	100%
2011	3	3	0	100%
2010	2	2	0	100%
2009	3	3	0	100%
2008	1	1	0	100%
2007	2	2	0	100%
2006	4	4	0	100%
2005	1	1	0	100%
2003	2	1	1	50%
2002	3	3	0	100%
2001	1	1	0	100%
1999	1	0	1	0%
1998	1	0	1	0%
1997	1	1	0	100%
1996	1	1	0	100%
1995	1	1	0	100%
1994	2	2	0	100%

Variants

Counts for each H-II variant recorded in GCAT, at LV_TYPE granularity. Variants with their own page are linked.

Variant	Flights	Successes	Failures	First year	Last year
H-IIA 202	35	35	0	2001	2025
H-IIB	9	9	0	2009	2020
H-II	7	5	2	1994	1999
H-IIA 2024	7	6	1	2002	2008
H-IIA 204	5	5	0	2006	2021
H-IIA 2022	3	3	0	2005	2007

Recent launches

The most recent H-II family launches, newest first.

Date	Designator	Payloads	Vehicle	Site / Pad	Outcome
Jun 28, 2025	2025-141	H-IIA-50 : GOSAT-GW	H-IIA 202	TNSC / Y	Success
Sep 26, 2024	2024-176	H-IIA-49 : IGS Radar-8	H-IIA 202	TNSC / Y	Success
Jan 12, 2024	2024-010	H-IIA-48 : IGS Optical-8	H-IIA 202	TNSC / Y	Success
Sep 6, 2023	2023-137	H-IIA-47 : SORA-Q, LEV-1, SLIM +1 more , XRISM	H-IIA 202	TNSC / Y	Success
Jan 26, 2023	2023-012	H-IIA-46 : IGS Radar-7	H-IIA 202	TNSC / Y	Success
Dec 22, 2021	2021-128	H-IIA-45 : Inmarsat 6 F1	H-IIA 204	TNSC / Y	Success
Oct 26, 2021	2021-096	H-IIA-44 : QZS-1R	H-IIA 202	TNSC / Y	Success
Nov 29, 2020	2020-089	H-IIA-43 : Hikari deta chukei eisei	H-IIA 202	TNSC / Y	Success
Jul 19, 2020	2020-047	H-IIA-42 : Hope Probe	H-IIA 202	TNSC / Y	Success
May 20, 2020	2020-030	H-IIB-F9 : HTV 9	H-IIB	TNSC / Y2	Success
Feb 9, 2020	2020-009	H-IIA-41 : IGS Optical-7	H-IIA 202	TNSC / Y	Success
Sep 24, 2019	2019-062	H-IIB-F8 : NARSScube-1, AQT-D, RWASAT-1 +1 more , HTV 8	H-IIB	TNSC / Y2	Success
Oct 29, 2018	2018-084	H-IIA-40 : AUTCube-2, STARS-AO, Diwata-2 +3 more , LEO Environments Obs Sat, Khalifasat, GOSAT 2	H-IIA 202	TNSC / Y	Success
Sep 22, 2018	2018-073	H-IIB-F7 : STARS-Me Climber, STARS-Me Koki, HTV Small Reentry Capsule +4 more , STARS-Me CV, RSP-00, SPATIUM-I, HTV 7	H-IIB	TNSC / Y2	Success
Jun 12, 2018	2018-052	H-IIA-39 : IGS Radar-6	H-IIA 202	TNSC / Y	Success
Feb 27, 2018	2018-021	H-IIA-38 : IGS Optical-6	H-IIA 202	TNSC / Y	Success
Dec 23, 2017	2017-082	H-IIA-37 : SLATS, GCOM-C	H-IIA 202	TNSC / Y	Success
Oct 9, 2017	2017-062	H-IIA-36 : QZS-4	H-IIA 202	TNSC / Y	Success
Aug 19, 2017	2017-048	H-IIA-35 : QZS-3	H-IIA 204	TNSC / Y	Success
Jun 1, 2017	2017-028	H-IIA-34 : QZS-2	H-IIA 202	TNSC / Y	Success
Mar 17, 2017	2017-015	H-IIA-33 : IGS Radar-5	H-IIA 202	TNSC / Y	Success
Jan 24, 2017	2017-005	H-IIA-32 : DSN 2	H-IIA 204	TNSC / Y	Success
Dec 9, 2016	2016-076	H-IIB-F6 : STARS-C Child, Lemur FM22, Lemur FM21 +13 more , Lemur FM20, TES-5, Lemur FM19, OSNSAT, TuPOD, AOBA-VeloxIII, EGG, Waseda-SAT 3, ITF-2, TANCREDO-1, FREEDOM, STARS-C Oyaki, HTV 6	H-IIB	TNSC / Y2	Success
Nov 2, 2016	2016-064	H-IIA-31 : Himawari 9	H-IIA 202	TNSC / Y	Success
Feb 17, 2016	2016-012	H-IIA-30 : Horyu-4, ChubuSat-3, ChubuSat-2 +1 more , ASTRO-H	H-IIA 202	TNSC / Y	Success

Showing the latest 25 of 66 launches.

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