Kosmos 53

 1965-006A

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DS-A1 No. 5 was launched into an elliptical orbit with an apogee of over 1000 km. It measured the flux of albedo neutrons  for a single day. Other experiments may have operated for another week.

Kosmos-53
Date	Time	Event	Orbit
1965 Jan 30	0936?	Launch by 63S1	GTsP4
	0938?	Stage 2 burn
	0944?	Sep from stage 2	98.71 218 x 1180 x 48.7
1965 Jan 31		End of transmissions
1965 Feb 9		End of operations
1966 Aug 12		Reentered

Payload:

• Neutron albedo flux experiment