Kosmos 2511/2512

 2015-071A/B

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Kanopus-ST

Tsentr Kosmonit OAO RKS (Rossiyskoe Kosmicheskiye Sistemi) payload for submarine detection. The satellite failed to separate from the Volga adapter.

Mass 491 kg?

Laucnhed to 0600 LTDN SSO.

Kosmos-2511
Date	Time	Event	Orbit
2015 Dec 5	1409	Launch by Soyuz 2-1V	Plesetsk
	1417	Volga sep from Soyuz	200? x 693 x 98.2
	1503	Volga burn 1
	1540	Kosmos-2511 failed to sep from Volga	684 x 693 x 98.2
	1540	Kosmos-2512 sep from Volga	684 x 693 x 98.2
2015 Dec 6	0200?	Volga depletion	92.16 106 x 655 x 98.2
	2120?		104 x 564 x 98.2

Small calibration satellite, mass 16 kg, ejected from Volga adapter. Used to test Almaz-Antey ballistic missile defense/ASAT radars.

Kosmos-2511
Date	Time	Event	Orbit
2015 Dec 5	1409	Launch by Soyuz 2-1V	Plesetsk
	1417	Volga sep from Soyuz	200? x 693 x 98.2
	1540	Kosmos-2511 failed to sep from Volga	684 x 693 x 98.2
	1540	Kosmos-2512 sep from Volga	684 x 693 x 98.2