1951 in spaceflight

1951 saw a number of suborbital spaceflights, conducted to test missiles, or conduct scientific research. The Soviet Union conducted large numbers of R-1 and R-2 missile tests, whilst the United States launched several research flights using Aerobee and captured V-2 rockets.

Launches

← Jan
Feb
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Dec →

Date and time (UTC)	Rocket		Launch site		LSP
	Payload	Operator	Orbit	Function	Decay (UTC)	Outcome
	Remarks

18 January 20:14	V-2^[1]		White Sands LC-33		G.E./US Army
		Naval Research Laboratory	Suborbital	Solar	18 January	Failed
	Project Hermes launch, Apogee: 2 kilometres (1.2 mi)
29 January	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	29 January	Successful
	Apogee: 100 kilometres (62 mi)
30 January	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	30 January	Successful
	Apogee: 100 kilometres (62 mi)
31 January	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	31 January	Successful
	Apogee: 100 kilometres (62 mi)

1 February	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	1 February	Successful
	Apogee: 100 kilometres (62 mi)
2 February	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	2 February	Successful
	Apogee: 100 kilometres (62 mi)

9 March 03:16	V-2^[1]		White Sands LC-33		G.E./US Army
	Blossom IV-E	Air Materiel Command	Suborbital	Ionospheric/Solar/Aeronomy	9 March	Failed
	Project Hermes launch, Apogee: 3 kilometres (1.9 mi)

29 May 19:46	Aerobee RTVA-1		Holloman LC-A		ARDC
		ARDC	Suborbital	Ionospheric	29 May	Failed
	Apogee: 4 kilometres (2.5 mi)

8 June 01:18	Aerobee		White Sands LC-35		US Air Force
		US Air Force	Suborbital	Aeronomy	8 June	Failed
	Apogee: 6 kilometres (3.7 mi)
13 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	13 June	Successful
	Apogee: 100 kilometres (62 mi)
14 June 13:48	V-2^[1]		White Sands LC-33		G.E./US Army
		NRL	Suborbital	Solar	14 June	Failed
	Project Hermes launch, Exploded on launchpad
14 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	14 June	Successful
	Apogee: 100 kilometres (62 mi)
18 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	18 June	Successful
	Apogee: 100 kilometres (62 mi)
19 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	19 June	Successful
	Apogee: 100 kilometres (62 mi)
20 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	20 June	Successful
	Apogee: 100 kilometres (62 mi)
22 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	22 June	Successful
	Apogee: 100 kilometres (62 mi)
23 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	23 June	Successful
	Apogee: 100 kilometres (62 mi)
24 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	24 June	Successful
	Apogee: 100 kilometres (62 mi)
25 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	25 June	Successful
	Apogee: 100 kilometres (62 mi)
26 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	26 June	Successful
	Apogee: 100 kilometres (62 mi)
27 June	R-1		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	27 June	Successful
	Apogee: 100 kilometres (62 mi)
28 June 21:43	V-2^[1]		White Sands LC-33		G.E./US Army
	Blossom IV-F	AMC	Suborbital	Solar/Aeronomy	28 June	Failed
	Project Hermes launch, Apogee: 6 kilometres (3.7 mi)

1 July	R-2		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	1 July	Successful
	Apogee: 150 kilometres (93 mi)
2 July	R-2		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	2 July	Successful
	Apogee: 150 kilometres (93 mi)
22 July	R-1V		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Biological	22 July	Successful
	Apogee: 100 kilometres (62 mi) Dogs Dezik and Zhegan were carried in space and survived the impact.
27 July	R-2		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Missile test	27 July	Successful
	Apogee: 150 kilometres (93 mi)
29 July	R-1B		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Biological	29 July	Failed
	Apogee: 100 kilometres (62 mi) Electrical failure, no payload recovery; carried dogs did not survive

7 August 18:00	Viking		White Sands LC-33		Martin
		NRL	Suborbital	Ionospheric/Solar	7 August	Successful
	Apogee: 219 kilometres (136 mi)^[2]
15 August	R-1B		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Solar/Biological	15 August	Successful
	Apogee: 100 kilometres (62 mi)
19 August	R-1V		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Biological	19 August	Successful
	Apogee: 100 kilometres (62 mi)
22 August 19:00	V-2		White Sands LC-33		US Army
		US Army	Suborbital	Test	22 August	Successful
	Apogee: 213 kilometres (132 mi)
28 August	R-1B		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Biological	28 August	Successful
	Apogee: 100 kilometres (62 mi)

3 September	R-1B		Kapustin Yar		OKB-1
		OKB-1	Suborbital	Biological	3 September	Successful
	Apogee: 100 kilometres (62 mi)

17 October 18:17	Aerobee		Holloman LC-A		ARDC
		ARDC	Suborbital	Ionospheric	17 October	Successful
	Apogee: 114 kilometres (71 mi)
29 October 21:04	V-2		White Sands LC-33		US Army
		US Army	Suborbital	Aeronomy	29 October	Successful
	Apogee: 137 kilometres (85 mi)

← Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec →

References

Krebs, Gunter. "Chronology of Space Launches".
Kyle, Ed. "Space Launch Report".
McDowell, Jonathan. "Jonathan's Space Report".
Pietrobon, Steven. "Steven Pietrobon's Space Archive".
Wade, Mark. "Encyclopedia Astronautica".
Webb, Brian. "Southwest Space Archive".
"NASASpaceFlight.com".
"Spaceflight Now".
"Space Information Center". JAXA.
"Space Calendar". NASA JPL.
"ISS Calendar". Spaceflight 101.
"Launch Forecast". Space.com.
Clark, Stephen. "Launch Schedule". Spaceflight Now.
"U.S. Space Objects Registry".
"Хроника освоения космоса" [Chronicle of space exploration]. Cosmoworld.ru (in Russian).

Generic references:

Footnotes

1 2 3 4 White,, L. D. (September 1952). Final Report,Project Hermes V-2 Missile Program. Schnectady, New York: Guided Missile Department, Aeronautic and Ordnance Systems Division, Defense Products Group, General Electric. p. Table I.
↑ Directory of U.S. Military Rockets and Missiles - Martin RTV-N-12 Viking

Timeline of spaceflight
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1970s	1970	1971	1972	1973	1974	1975	1976	1977	1978	1979
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