Polyot

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Polyot 11A59

Polyot rocket
Function	Interim carrier rocket
Manufacturer	OKB-1
Country of origin	Soviet Union
Size
Height	30m (98ft)
Diameter	2.99m (9.8ft)
Mass	277,000kg (610,000lb)
Stages	1
Capacity
Payload to LEO	1,400kg (3,000lb)
Associated rockets
Family	R-7
Launch history
Status	Retired
Launch sites	LC-31, Baikonur
Total launches	2
Successes	2
Maiden flight	1 November 1963
Last flight	12 April 1964
Boosters (Stage 0)
No. boosters	4
Engines	16 RD-107-8D74K
Thrust	995.3kN (223,752lbf)
Specific impulse	257 sec
Burn time	119 seconds
Fuel	RP-1/LOX
First stage
Engines	1 RD-0108
Thrust	294kN (66,093lbf)
Specific impulse	330 sec
Burn time	240 seconds
Fuel	RP-1/LOX

The Polyot (Also known as Sputnik, GRAU index 11A59) was an interim orbital carrier rocket, built to test ASAT spacecraft. It was required as a stopgap after the cancellation of the UR-200 programme, but before the Tsyklon could enter service. Only two were ever launched, the first on 1 November 1963, and the last on 12 April 1964. Both of these flights were successful.

The rocket consisted of a core stage, and four boosters, which were taken from a Voskhod 11A57 rocket. It was capable of delivering a 1,400 kg payload into a 300 km by 59° Low Earth orbit.

It is a member of the R-7 family.

See also

Comparable rockets

• Tsyklon
• UR-200

Related developments

• R-7 Semyorka
• Vostok rocket
• Voskhod rocket
• Molniya rocket
• Soyuz rocket

Associated spacecraft

• ASAT

External links

Encyclopedia Astronautica entry

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