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Delta B

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Retired American expendable rocket

Capacity
Delta B prior to the launch ofTIROS-8
Function	Expendable launch system
Country of origin	United States
Payload toLEO
Altitude	350 nautical miles (650 km; 400 mi)
Mass	800 pounds (360 kg)^[1]
Payload toEarth 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	1
First flight	13 December 1962
Last flight	19 March 1964
[edit on Wikidata]

TheDelta B, orThor-Delta B was an Americanexpendable launch system used for nineorbital launches between 1962 and 1964.^[3] A derivative of theThor-Delta, it was a member of theDelta family of rockets.^[4]

The first stage was aThor missile in the DM-21 configuration, and the second stage was theAJ10-118,^[1] which was derived from the earlierDelta-A.^[4] AnAltair solid rocket motor was used as a third stage.^[1]

All nine launches occurred fromCape Canaveral Air Force Station Launch Complex 17.^[3] Most of the launches carriedcommunications satellites, includingSyncom-1^[2] andSyncom-2.^[2] Syncom-1 was intended to be the first satellite to be placed into ageosynchronous orbit, however the spacecraft malfunctioned prior to reaching this orbit.^[5] Syncom-2 subsequently became the first geosynchronous satellite,^[5] and was placed at55° west of theGreenwich Meridian. The final launch failed due to third stage underperformance,^[6] all other launches were successful.^[3]

Delta B launches

[edit]

Delta B was launched nine times:^[3]

Date	Ser.	Launch site	Payload
13.12.1962	Thor 355 Delta 15	LC-17A	Relay 1
14.02.1963	Thor 358 Delta 16	LC-17B	Syncom 1
03.04.1963	Thor 357 Delta 17	LC-17B	Explorer 17
07.05.1963	Thor 366 Delta 18	LC-17B	Telstar 2
19.06.1963	Thor 359 Delta 19	LC-17B	TIROS 7
26.07.1963	Thor 370 Delta 20	LC-17A	Syncom 2
21.12.1963	Thor 371 Delta 22	LC-17B	TIROS 8
21.01.1964	Thor 373 Delta 23	LC-17B	Relay 2
19.03.1964	Thor 391 Delta 24	LC-17A	Explorer S-66 (failed)

References

[edit]

^^a ^b ^c ^dLaunch 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. RetrievedMay 31, 2023.
^^a ^b ^cWade, Mark."Thor Delta B".Astronautix.Archived from the original on May 15, 2023. RetrievedMay 31, 2023.
^^a ^b ^c ^d ^eKrebs, Gunter D."Delta B".Gunter's Space Page.Archived from the original on January 30, 2023. RetrievedMay 31, 2023.
^^a ^bGraham, 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. RetrievedMay 31, 2023.
^^a ^bNASA, 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. RetrievedMay 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. RetrievedMay 31, 2023 – via Newspapers.com.

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)

v t e 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 Red Dwarf 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

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

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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