Delta B

The Delta B, or Thor-Delta B was an American expendable launch system used for nine orbital launches between 1962 and 1964.[3] A derivative of the Thor-Delta, it was a member of the Delta family of rockets.[4]

Capacity
Delta B prior to the launch of TIROS-8
Function	Expendable launch system
Country of origin	United States
Payload to LEO
Altitude	350 nautical miles (650 km; 400 mi)
Mass	800 pounds (360 kg)[1]
Payload to Earth escape trajectory
Mass	130 pounds (59 kg)[1]

Launch history
Status	Retired[2]
Launch sites	Cape Canaveral LC-17[3]
Total launches	9
Success(es)	8
Failure(s)	1
First flight	13 December 1962
Last flight	19 March 1964

The first stage was a Thor missile in the DM-21 configuration, and the second stage was the AJ10-118,[1] which was derived from the earlier Delta-A.[4] An Altair solid rocket motor was used as a third stage.[1]

All nine launches occurred from Cape Canaveral Air Force Station Launch Complex 17.[3] Most of the launches carried communications satellites, including Syncom-1[2] and Syncom-2.[2] Syncom-1 was intended to be the first satellite to be placed into a geosynchronous orbit, however the spacecraft malfunctioned prior to reaching this orbit.[5] Syncom-2 subsequently became the first geosynchronous satellite,[5] and was placed at 55° west of the Greenwich Meridian. The final launch failed due to third stage underperformance,[6] all other launches were successful.[3]

References

Launch Vehicles of the National Launch Vehicle Program (PDF) (Technical report). Washington, D.C.: NASA. November 1962. p. 7. N63-10712. Archived (PDF) from the original on December 6, 2022. Retrieved May 31, 2023.
Wade, Mark. "Thor Delta B". Astronautix. Archived from the original on May 15, 2023. Retrieved May 31, 2023.
Krebs, Gunter D. "Delta B". Gunter's Space Page. Archived from the original on January 30, 2023. Retrieved May 31, 2023.
Graham, William (September 13, 2018). "The evolution of Thor – Delta II prepares for swansong". NASASpaceflight.com. p. 2. Archived from the original on March 29, 2023. Retrieved May 31, 2023.
NASA, The First 25 Years: 1958 - 1983 (PDF) (Technical report). Washington, D.C.: NASA. 1983. p. 38. Archived (PDF) from the original on May 31, 2023. Retrieved May 31, 2023.
"Satellite Rocket Failure Ends Winning Streak". Corpus Christi Times. Cape Kennedy. Associated Press. March 19, 1964. p. 1. Archived from the original on May 31, 2023. Retrieved May 31, 2023 – via Newspapers.com.

Orbital launch systems
List of orbital launch systems Comparison of orbital launch systems
Current	Angara 1.2 A5 Atlas V Ceres 1 1S Chollima-1^† Delta IV Heavy Electron Epsilon Falcon 9 Block 5 Falcon Heavy Firefly Alpha GSLV H-IIA H3^† Hyperbola-1 Jielong 1 3 Kaituozhe 2 Kinetica-1 Kuaizhou 1 1A 11 Long March 2C 2D 2F 3A 3B/E 3C 4B 4C 5 5B 6 6A 7 7A 8 11 11H LVM3 Minotaur I IV V C Nuri OS-M1^† Pegasus XL Proton-M PSLV Qaem 100 Qased RS1^† Shavit 2 Simorgh^† SLS Block 1 Soyuz-2 2.1a / STA 2.1b / STB 2-1v SSLV Starship^† Tianlong-2 Unha Vega original C Zenit 3SL 3SLB 3F Zhuque 1^† 2
In development	Amur Antares 330 Ariane 6 Bloostar Cyclone-4M Eris Hyperbola-2 Irtysh Kuaizhou 21 31 Long March 9 10 Miura 5 MLV Neutron New Glenn New Line 1 OS-M 2 4 Orbex Prime Pallas-1 Qaem-100 Red Dwarf SLS Block 1B Block 2 Soyuz-7 Terran R VLM Vega E Vulcan 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 Diamant Dnepr Energia 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-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 Soyuz/Vostok Sputnik Voskhod Vostok L K 2 2M R-29 Shtil' Volna^† Rocket 3 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 VLS-1^† Zenit 2 2M 2FG
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** Delta IV Heavy Electron Falcon 9 Block 5 Falcon Heavy Firefly Alpha Minotaur I IV V C Pegasus XL RS1 SLS Block 1
In development	Antares 330 Firefly Beta New Glenn Neutron Red Dwarf SLS Block 1B Block 2 Starship Terran R Vulcan
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 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 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

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

Components

Boosters

First stages

Common Booster Core

Upper Stages

Delta	Delta-A Delta-D Delta-E Delta-F Delta-K Delta-P DCSS
Other	Able Ablestar Agena Altair Burner FW-4D IABS PAM-D Star UM-129

Engines

Manufacturers

Rocket	Douglas McDonnell Douglas Boeing United Launch Alliance
Engines	Aerojet Alliant Rocketdyne Thiokol TRW

Launches

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