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The Atlas H was an American expendable launch system derived from the SM-65 Atlas missile.^[1] It was a member of the Atlas family of rockets, and was used to launch five clusters of NOSS satellites for the US National Reconnaissance Office.^[1] Two flights also carried LiPS satellites, as secondary payloads for the United States Naval Research Laboratory.^[1]

The Atlas H was a stage and a half rocket, using the enhanced Atlas rocket designed for use as the first stage of the Atlas G rocket,^[2] which differed from the Atlas H in having a Centaur upper stage. This stage was later reused as the first stage of the Atlas I. In practice, an MSD upper stage was flown on all five launches.^[3]

Atlas H could put a payload of 3,630 kg (8,000 lb) into low Earth orbit, or a payload of 2,255 kg (4,971 lb) into a geostationary transfer orbit.^[1]

Launches

The Atlas H was launched five times from Vandenberg SLC3E:^[1]

Date	Mission	Mass (kg)	Apogee (km)	Perigee (km)	Inclination º
1983 February 9	NOSS 4 – PARCAE 5 / OPS 0252	700	1,186	1,063	63.40
	SSB – SSU	700	1,489	733	63.40
	SSD (NOSS 4) – NOSS-Subsat 4-4		1,419	796	63.40
	SSC – SSU		1,173	1,043	63.50
	SSA – SSU		1,166	1,051	63.40
	SSA (NOSS 4) – NOSS-Subsat 4-1 / OPS 0252 DEB		1,164	1,051	63.50
	LIPS 2		1,399	822	63.30
1983 June 9	NOSS 5 – PARCAE 6 / OPS 6432	700	1,167	1,049	63.40
	GB1 – SSU		1,167	1,049	63.40
	GB3 – SSU		1,166	1,049	63.40
	GB2 – SSU		1,167	1,049	63.40
1984 February 5	NOSS 6 – PARCAE 7 / OPS 8737	700	1,172	1,052	63.40
	JD1 – SSU		1,172	1,052	63.40
	JD2 – SSU		1,172	1,052	63.40
	JD3 – SSU		1,172	1,052	63.40
1986 February 9	USA 15 – PARCAE 8	700	1,166	1,049	63.00
	USA 18 – SSU		1,407	817	63.41
	USA 16 – SSU		1,161	1,055	63.00
	USA 17 – SSU		1,165	1,055	63.00
1987 May 15	USA 22 – PARCAE 9	700	1,179	1,045	62.90
	LIPS 3		1,316	899	63.40
	USA 25 – SSU		1,178	1,035	62.60
	USA 24 – SSU		1,184	1,046	63.20
	USA 23 – SSU		1,170	1,039	63.40

References

^ ^a ^b ^c ^d ^e “Atlas H”. www.astronautix.com. Retrieved 2023-10-09.
^ Encyclopedia Astronautica – Atlas
^ Gunter’s Space Page – Atlas-H MSD

[rdp-we-cite_note-:0-1] “Atlas H”. www.astronautix.com. Retrieved 2023-10-09.

[rdp-we-cite_note-EA-2] Encyclopedia Astronautica – Atlas

[rdp-we-cite_note-3] Gunter’s Space Page – Atlas-H MSD

[1]

[2]

[3]

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 2^† Chollima-1 Electron Eris^† Falcon 9 Block 5 Falcon Heavy Firefly Alpha Gravity-1 GSLV H3 HANBIT-NANO^† Hyperbola-1 Jielong 1 3 KAIROS^† Kaituozhe 2 Kinetica 1 2 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 12A 12B 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 Soyuz-5 Spectrum^† SSLV Starship Tianlong 2 3^† Unha Vega C Vulcan Centaur Zhuque 2E 3
In development	Antares 330 Bloostar Blue Whale 1 Cyclone-4M Deca Eclipse Epsilon S Gravity-2 Hyperbola-2 Kinetica 2H 3 KSLV-III Kuaizhou 21 31 Long March 9 10 10A 10B Miura 5 Neutron New Line 1 NGLV Nova OS-M 2 4 Pallas-1 RFA One SLS Block 1B Block 2 Soyuz-7 Terran R VLM Vega E Zero 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)

Orbital launch systems developed in the United States
Active	Atlas V**^†† Electron Falcon 9 Block 5 Falcon Heavy Firefly Alpha Minotaur I IV V C New Glenn Pegasus XL SLS Block 1 Vulcan Centaur
In development	Antares 330 Daytona I Eclipse Neutron Nova SLS Block 1B Block 2 Starship Terran R
Retired	Antares 110/120/130/230/230+^††† Athena I II Atlas B D E/F G H I II III LV-3B SLV-3 Able Agena Centaur Conestoga^† Delta A B C D E G J L M N 0100 1000 2000 3000 4000 5000 II III IV IV Heavy Falcon 1 Falcon 9 v1.0 v1.1 v1.2 “Full Thrust” H-I* Juno I Juno II LauncherOne N-I* N-II* Pilot^† Rocket 3 RS1^† Saturn I IB V Scout Space Shuttle SPARK^† Sparta Terran 1^† Thor Able Ablestar Agena Burner Delta DSV-2U Thorad-Agena Titan II GLV IIIA IIIB IIIC IIID IIIE 34D 23G CT-3 IV Vanguard
* – Japanese projects using US rockets or stages ** – uses Russian engines ^† – never succeeded ^†† – no new orders accepted and production stopped ^††† – used Ukrainian first stage

Sample Page

Launches

References