JSAT (satellite constellation)
Satellite fleet
JSAT usually has a name for the satellites orders, and once commissioned in orbit they get rechristened to a new, definitive name.

JSAT (satellite constellation)

Section Title: Satellite fleet
Table Section Text: JSAT usually has a name for the satellites orders, and once commissioned in orbit they get rechristened to a new, definitive name.

Project	Name	Bus	Payload	Order	Launch	Launch Vehicle	Launch Result	Launch Mass	Status	Remarks

JCSAT-1	JCSAT-1	HS-393	32 Ku band	1985	1989-03-06	Ariane 44LP	Success	2,280 kg (5,030 lb)	Decommissioned	First commercial Japanese satellite.

Superbird-1	Superbird-A	SSL 1300	23 Ku band, 3 Ka band and 2 X band	1986	1989-06-05	Ariane 44L	Success	2,800 kg (6,200 lb)	Decommissioned	Launch with DFS Kopernikus-1.

JCSAT-2	JCSAT-2	HS-393	32 Ku band	1985	1990-01-01	Commercial Titan III	Success	2,280 kg (5,030 lb)	Decommissioned	Launched with Skynet 4A.

Superbird-2	Superbird-B	SSL 1300	23 Ku band, 3 Ka band and 2 X band	1986	1990-02-22	Ariane 44L	Failure	2,800 kg (6,200 lb)	Decommissioned	Launched with BS-2X. Launch failure.

Superbird-B1	Superbird-B1	SSL 1300	23 Ku band, 3 Ka band and 2 X band	1986	1992-02-26	Ariane 44L	Success	2,800 kg (6,200 lb)	Decommissioned	Launched with Arabsat-1C.

Superbird-A1	Superbird-A1	SSL 1300	23 Ku band, 3 Ka band and 2 X band	1986	1992-12-01	Ariane 42P	Success	2,800 kg (6,200 lb)	Decommissioned

JCSAT-3	JCSAT-3	HS-601	12 C band and 28 Ku band	1993	1995-08-29	Atlas IIAS	Success	3,105 kg (6,845 lb)	Decommissioned

N-STAR a	N-STAR a	SSL 1300	11 Ka band, 8 Ku band, 6 C band and 4 S band	1992	1995-08-29	Ariane 44P	Success	3,400 kg (7,500 lb)	Decommissioned	Acquired from NTT Communications in March 2000.

N-STAR b	N-STAR b	SSL 1300	11 Ka band, 8 Ku band, 6 C band and 4 S band	1992	1996-02-05	Ariane 44P	Success	3,400 kg (7,500 lb)	Decommissioned	Acquired from NTT Communications in March 2000.

JCSAT-4	JCSAT-R	HS-601	12 C band and 28 Ku band	1995	1997-02-17	Atlas IIAS	Success	3,105 kg (6,845 lb)	Decommissioned	Sold as Intelsat 26.

Superbird-C	Superbird-C	HS-601	24 Ku band	1995	1997-07-28	Atlas IIAS	Success	3,130 kg (6,900 lb)	Decommissioned

JCSAT-5	JCSAT-1B	HS-601	32 Ku band	1996	1997-12-02	Atlas IIAS	Success	2,982 kg (6,574 lb)	Operational at 150°E	Launched with Equator-S. Replacement of JCSAT-1.

JCSAT-6	JCSAT-4A	HS-601	32 Ku band	1996	1999-02-16	Atlas IIAS	Success	2,900 kg (6,400 lb)	Decommissioned	Replacement of JCSAT-4.

Superbird-4	Superbird-B2	HS-601HP	23 (+1 steerable) Ku band and 6 Ka band	1998	2000-02-18	Ariane 44LP	Success	4,057 kg (8,944 lb)	Operational at 162°E

JCSAT-7 Superbird-5	N-SAT-110 JCSAT-110 Superbird-D	A2100AX	24 Ku band	1998	2000-10-06	Ariane 42L	Success	4,048 kg (8,924 lb)	Operational at 110°E	Replacement of JCSAT-3.

JCSAT-8	JCSAT-2A	BSS-601	16 C band and 16 Ku band	2000	2002-03-29	Ariane 44L	Success	2,460 kg (5,420 lb)	Operational at 154°E	Replacement of JCSAT-2.

N-STAR c	N-STAR c	GEOStar-2	1 C band and 20 S band	1999	2002-07-05	Ariane 5 G	Success	1,620 kg (3,570 lb)	Operational at 136°E	Launched with Stellat 5.

Horizons-1	Horizons-1 Galaxy 13	HS-601HP	24 Ku band and 24 C band	2001	2003-10-01	Zenit-3SL	Success	4,060 kg (8,950 lb)	Operational at 127°E	Co-owned with Intelsat.

Superbird-6	Superbird-A2	HS-601HP	23 Ku band and 4 Ka band	2001	2004-04-16	Atlas IIAS	Success	3,100 kg (6,800 lb)	Never commissioned	Injection orbit to supersynchronous orbit failed to account for lunar influence; satellite spent most of its fuel and suffered damage. Never commissioned.

JCSAT-9	JCSAT-5A N-STAR d	A2100AXS	20 C band, 20 Ku band and 1 S band	2003	2006-04-12	Zenit-3SLB	Success	4,401 kg (9,703 lb)	Operational at 132°E	Replacement of JCSAT-5.

JCSAT-10	JCSAT-3A	A2100AXS	30 Ku band and 12 C band	2004	2006-08-11	Ariane 5 ECA	Success	4,048 kg (8,924 lb)	Operational at 128°E	Launched with Syracuse-3B. Replacement of JCSAT-3.

JCSAT-11	N/A	A2100AXS	30 Ku band and 12 C band	2005	2007-09-05	Proton-M/Briz-M	Failure	4,007 kg (8,834 lb)	Launch Failure	Was to serve as general backup. Lost at launch.

Horizons-2	Horizons-2	GEOStar-2	20 Ku band	2005	2007-12-21	Ariane 5 GS	Success	2,304 kg (5,079 lb)	Operational at 85°E	Launched with Rascom-QAF 1. Co-owned with Intelsat

Superbird-7	Superbird-C2	DS2000	28 Ku band	N/A	2008-08-14	Ariane 5 ECA	Success	4,820 kg (10,630 lb)	Operational at 144°E	Launched with AMC-21.

JCSAT-12	JCSAT-RA	A2100AXS	12 C band and 30 Ku band	2007	2009-08-21	Ariane 5 ECA	Success	4,000 kg (8,800 lb)	Backup w/o slot	Launched with Optus D3. Replacement of JCSAT-11.

JCSAT-85	JCSAT-85 Intelsat 15	GEOStar-2	22 Ku band	2007	2009-11-30	Zenit-3SLB	Success	2,484 kg (5,476 lb)	Operational at 85°E	JSAT owns 5 transponders on Intelsat 15.

JCSAT-110R	JCSAT-110R BSAT-3c	A2100A	two payloads of 12 Ku band each	2008	2011-08-06	Ariane 5 ECA	Success	2,910 kg (6,420 lb)	Operational at 110°E	Launched with Astra 1N. Co-owned with B-SAT, one payload each. Backup of N-SAT-110.

JCSAT-13	JCSAT-4B	A2100AXS	44 Ku band	2009	2012-06-15	Ariane 5 ECA	Success	4,528 kg (9,983 lb)	Operational at 124°E	Launched with Vinasat-2. Replaced JCSAT-4A.

JCSAT-14	JCSAT-2B	SSL 1300	26 C band and 18 Ku band	2013	2016-05-06	Falcon 9 Full Thrust	Success	4,696 kg (10,353 lb)	Operational at 154°E	Replaced JCSAT-2A.

JCSAT-16	N/A	SSL 1300	Ku band and Ka band	2014	2016-08-14	Falcon 9 Full Thrust	Success	4,600 kg (10,100 lb)	Commissioning (In transit to 162°E)	Will act as backup. Temporarily replacing delayed Superbird-8.

JCSAT-15	N/A	SSL 1300	Ku	2014	2016-12-21	Ariane 5 ECA	Success	3,400 kg (7,500 lb)	Commissioning (In transit to 110°E)	Replacement for N-SAT-110.

DSN-2	Kirameki-2	NEC	X band military payload	N/A	2017-01-24	H-IIA 204	Success	N/A	Commissioning (In transit to 162°E	Managed for the DSN Corporation on behalf of the Japanese Military.

Superbird-8	Superbird-B3 DSN-1 Kirameki-1	DS2000	Ku band, Ka band and an X band military payload	2014	2018-04-05	Ariane 5 ECA	Success	N/A	Success	Replacement for Superbird-B2. DSN-1 Payload for the Japanese Military.

Horizons-3e	N/A	BSS-702MP	C band and Ku band	2015	2019 2nd Half	Ariane 5 ECA	Planned	6 t (5.9 long tons; 6.6 short tons)	Planned	Horizons Satellite 3rd satellite. Co-owned with Intelsat, EpicNG architecture. Will replace Intelsat 805.

JCSAT-17	N/A	A2100	S band, C band and Ku band	2016	August 2019	Ariane 5 ECA	Planned	N/A	Planned

JCSAT-18	N/A	2019	Falcon 9 Full Thrust	Planned	N/A	Planned

Sentence(s)

In 2000, JSAT ordered JCSAT-8 to replace JCSAT-2 at the 154° East slot.
JSAT ordered JCSAT-8 to replace JCSAT-2 at the 154° east slot.
JSAT ordered JCSAT-8, to replace JCSAT-2 at the 154° East slot.

final_sentence: In 2000, JSAT ordered JCSAT-8 to replace JCSAT-2 at the 154° East slot.
final_sentence: JSAT ordered JCSAT-8 to replace JCSAT-2 at the 154° east slot.
final_sentence: JSAT ordered JCSAT-8, to replace JCSAT-2 at the 154° East slot.