Kosmos 1171 (Russian: Космос 1171 meaning Cosmos 1171) was a satellite which was used as a target for tests of anti-satellite weapons.

It was launched aboard a Kosmos-3M carrier rocket,[3] from Site 132/2 at the Plesetsk Cosmodrome.

[4] Kosmos 1171 was placed into a low Earth orbit with a perigee of 969 kilometres (602 mi), an apogee of 1,001 kilometres (622 mi), 65.8 degrees of inclination, and an orbital period of 104.8 minutes.

[1] It was to have been intercepted by Kosmos 1174 on 18 April, however the interceptor malfunctioned and missed the target.

[2][5] Kosmos 1171 was the eighth of ten Lira satellites to be launched,[1] of which all but the first were successful.