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N-II (rocket)

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Space launch vehicle

Size
The N-II rocket
Function	Carrier rocket
Manufacturer	McDonnell Douglas (design) Mitsubishi Heavy Industries (production)
Country of origin	United States (design) Japan (production)
Height	35 m (114 ft 10 in)
Diameter	2.44 m (8 ft 0 in)
Mass	132,690 kg (292,530 lb)
Stages	2 or 3
Capacity
Payload toLEO
Mass	2,000 kg (4,400 lb)
Payload toGTO
Mass	730 kg (1,610 lb)

Associated rockets
Family	Delta
Based on	N-I
Derivative work	H-I
Launch history
Status	Retired
Launch sites	Tanegashima,Osaki
Total launches	8
Success(es)	8
First flight	11 February 1981
Last flight	19 February 1987

Boosters –Castor 2
No. boosters	9
Maximum thrust	258.9 kN (58,200 lb_f)
Specific impulse	262 s (2.57 km/s)
Burn time	37 seconds
Propellant	Solid
First stage –Thor-ELT
Powered by	1 × MB-3-3
Maximum thrust	866.7 kN (194,800 lb_f)
Specific impulse	290 s (2.8 km/s)
Burn time	270 seconds
Propellant	RP-1 / LOX
Second stage –Delta-F
Powered by	1 × AJ-10-118F
Maximum thrust	41.3 kN (9,300 lb_f)
Specific impulse	280 s (2.7 km/s)
Burn time	335 seconds
Propellant	HNO₃ / UDMH
Third stage (optional) –Star-37E
Maximum thrust	68 kN (15,000 lb_f)
Specific impulse	284 s (2.79 km/s)
Burn time	42 seconds
Propellant	Solid
Third stage (optional) –Burner II
Maximum thrust	43.6 kN (9,800 lb_f)
Specific impulse	285 s (2.79 km/s)
Burn time	42 seconds
Propellant	Solid

[edit on Wikidata]

TheN-II orN-2 was a derivative of the AmericanDelta rocket, produced under licence in Japan. It replaced theN-I-rocket in Japanese use. It used aThor-ELT first stage, a Delta-F|isp}}ond stage, nineCastor SRMs, and on most flights either aStar-37E orBurner-2 upper stage, identical to the US Delta 0100 series configurations. Eight were launched between 1981 and 1987, before it was replaced by theH-I, which featured Japanese-produced upper stages. All eight launches were successful.

Launch history

[edit]

Flight No.	Date / time (UTC)	Launch site	Payload	Orbit	Launch outcome
F7	11 February 1981 08:30	Tanegashima,Osaki	ETS-4 (Kiku-3)^[1]	GTO	Success
F7
F8	10 August 1981 20:03	Tanegashima,Osaki	GMS-2 (Himawari-2)^[2]	GTO	Success
F8
F10	4 February 1983 08:37	Tanegashima,Osaki	CS-2A (Sakura-2A)^[3]	GTO	Success
F10
F11	5 August 1983 20:29	Tanegashima,Osaki	CS-2B (Sakura-2B)^[3]	GTO	Success
F11
F12	23 January 1984 07:58	Tanegashima,Osaki	BS-2A (Yuri-2A)^[4]	GTO	Success
F12
F13	2 August 1984 20:30	Tanegashima,Osaki	GMS-3 (Himawari-3)^[2]	GTO	Success
F13
F14	12 February 1986 07:55	Tanegashima,Osaki	BS-2B (Yuri-2B)^[4]	GTO	Success
F14
F16	19 February 1987 01:23	Tanegashima,Osaki	MOS-1 (Momo-1)^[5]	LEO	Success
F16

References

[edit]

^"JAXA | Engineering Test Satellite IV "KIKU-3" (ETS-IV)".JAXA | Japan Aerospace Exploration Agency. Retrieved2020-03-16.
^^a ^b"JAXA | Geostationary Meteorological Satellite "Himawari" (GMS)".JAXA | Japan Aerospace Exploration Agency. Retrieved2020-03-16.
^^a ^b"JAXA | Communication Satellite "Sakura" (CS)".JAXA | Japan Aerospace Exploration Agency. Retrieved2020-03-16.
^^a ^b"JAXA | Broadcasting Satellite "Yuri" (BS)".JAXA | Japan Aerospace Exploration Agency. Retrieved2020-03-16.
^"JAXA | Marine Observation Satellite-1 "Momo-1" (MOS-1)".JAXA | Japan Aerospace Exploration Agency. Retrieved2020-03-16.

Wade, Mark."Delta".Encyclopedia Astronautica. Archived fromthe original on 2013-08-17. Retrieved2008-08-31.
McDowell, Jonathan."Thor".Orbital and Suborbital Launch Database.Jonathan's Space Report. Archived fromthe original on 2020-08-01. Retrieved2008-08-31.
Krebs, Gunter."N-2". Gunter's Space Page. Retrieved2008-08-31.

Mitsubishi Heavy Industries

Mitsubishi

Subsidiaries

Joint ventures

Current	Dubai Metro (25%) Japanese Aero Engine Corporation Launch Services Alliance Mitsubishi Caterpillar Forklifts
Defunct	Atmea Nihon Aircraft Manufacturing Corporation

Products

Aircraft	F-1 F-2 F-15J H-60 MH2000 Mitsubishi SpaceJet T-2 X-2
Armored vehicles	Type 61 Type 74 Nana-yon Type 89 IFV Type 90 Kyū-maru Type 10
Launch vehicles	N-I N-II H-I H-II H-IIA H-IIB H3
Missiles	Type 88 Type 89 Type 90 Type 91
Ships	Akizuki class Atago class Hatakaze class Kongō class Takanami class
Submarines	Harushio class Oyashio class Sōryū class Taigei class
Other	Crystal Mover and Urbanismo Green Mover Max MEISTeR Mitsubishi APWR Wakamaru

People

Kazuo Tsukuda

Other

Mitsubishi Sagamihara DynaBoars

Products currently in development shown initalics

Category

v t e Orbital launch systems
List of orbital launch systems Comparison of orbital launch systems
Current	Angara 1.2 A5 Ariane 6 Atlas V Ceres 1 1S Chollima-1 Electron Eris^† Falcon 9 Block 5 Falcon Heavy Firefly Alpha Gravity-1 GSLV H3 Hyperbola-1 Jielong 1 3 KAIROS^† Kaituozhe 2 Kinetica 1 Kuaizhou 1 1A 11 Long March 2C 2D 2F 3A 3B/E 3C 4B 4C 5 5B 6 6A 6C 7 7A 8 11 11H 12 LVM3 Minotaur I IV V C New Glenn Nuri OS-M1^† Pegasus XL Proton-M PSLV Qaem 100 Qased Shavit 2 Simorgh SLS Block 1 Soyuz-2 2.1a / STA 2.1b / STB Spectrum^† SSLV Starship Tianlong-2 Unha Vega C Vulcan Centaur Zhuque 2E
In development	Antares 330 Bloostar Blue Whale 1 Ceres-2 Cyclone-4M Deca Eclipse Epsilon S Gravity-2 HANBIT-NANO Hyperbola-2 Irtysh Kinetica 2 2H 3 KSLV-III Kuaizhou 21 31 Long March 9 10 Miura 5 Neutron New Line 1 NGLV Nova OS-M 2 4 Orbex Prime Pallas-1 Red Dwarf RFA One SLS Block 1B Block 2 Soyuz-7 Terran R Tianlong-3 VLM Vega E Zero Zhuque 3 Zuljanah
Retired	Antares 110 120 130^† 230 230+ Ariane 1 2 3 4 5 ASLV Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able^† Agena Centaur Black Arrow Conestoga^† Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 II III IV IV Heavy Diamant Dnepr Energia Epsilon Europa I^† II^† Falcon 1 Falcon 9 v1.0 v1.1 v1.2 "Full Thrust" Feng Bao 1 GSLV Mk I H-I H-II H-IIA H-IIB Juno I Juno II Kaituozhe-1 Kosmos original 1 2/2I 3 3M Lambda 4S LauncherOne Long March 1 1D^† 2A 2E 3 3B 4A Mu 4S 3C 3H 3S 3SII V N1^† N-I N-II Naro-1 Paektusan^† Pilot-2^† R-7 Luna Molniya M L Polyot Soyuz original FG L M U U2 2-1v Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna^† Rocket 3 RS1^† Safir 1 1A 1B Saturn I IB V Scout X-1 Blue Scout II^† X-2^† X-2M X-3 X-3M X-4 X-2B^† B A B-1 D-1 A-1 E-1 F-1 G-1 Shavit original 1 SLV Space Shuttle SPARK^† Sparta SS-520 Start-1 Terran 1^† Thor Able Ablestar 1 2 Agena A B D Burner 1 2 Delta DSV-2U Thorad-Agena SLV-2G SLV-2H Titan II GLV IIIA IIIB IIIC IIID IIIE 34D 23G CT-3 IV Tsyklon R-36-O original 2 3 Universal Rocket UR-500 Proton Proton-K Rokot Strela Vanguard Vega original VLS-1^† Zenit 2 2M 2FG 3SL 3SLB 3F Zhuque 1^† 2
Classes	Sounding rocket Small-lift launch vehicle Medium-lift launch vehicle Heavy-lift launch vehicle Super heavy-lift launch vehicle
This template lists historical, current, and future space rockets that at least once attempted (but not necessarily succeeded in) an orbital launch or that are planned to attempt such a launch in the future Symbol^† indicates past or current rockets that attempted orbital launches but never succeeded (never did or has yet to perform a successful orbital launch)

Japanese orbital launch systems

Space agencies

JAXA

Active	H3
Planned	Epsilon S
Retired	Epsilon H-IIA H-IIB SS-520 (Three stage variant)

ISAS

Retired	Lambda (4S) Mu (4S 3C 3H 3S 3SII V)

NASDA

Retired	N-I‡ N-II‡ H-I‡ H-II

NASDA/ISAS

Retired	J-I¤

Private sector

IST

Planned	ZERO DECA

Space One

Active	KAIROS

Galaxy Express

Abandoned	GX‡

‡ Based around licence-produced US rockets; ¤ Never flew an orbital flight (only 1 suborbital flight performed)

Thor and Delta rockets

Rockets

Thor

Delta

Alphabetical	Delta A Delta B Delta C Delta D Delta E Delta F Delta G Delta J Delta L Delta M Delta N
Numerical	Delta 0100 Delta 1000 Delta 2000 Delta 3000 Delta 4000 Delta 5000 Delta 6000 Delta 7000 Delta 8000 Delta 9000
Modern	Delta II Delta III Delta IV Delta IV Heavy

Export

Launch sites

Canaveral	(S)LC-17 LC-18B SLC-37B
Johnston	LE-1 LE-2
Tanegashima	Osaki
Vandenberg	SLC-1 SLC-2 SLC-3 SLC-6 SLC-10
Bases	Bardney Breighton Caistor Carnaby Catfoss Coleby Grange Driffield Feltwell Folkingham Full Sutton Harrington Hemswell Ludford Magna Melton Mowbray Mepal North Luffenham North Pickenham Polebrook Shepherds Grove Tuddenham