<Tr> <Td> Luna - 12 </Td> <Td> 1,620 </Td> <Td> Molniya - M </Td> <Td> 22 October 1966 </Td> <Td> Lunar orbiter </Td> <Td> Success--2,938 km x 1,871 km x 10 deg orbit, 205 m period, 89 - day science mission </Td> </Tr> <Tr> <Td> Cosmos - 159 </Td> <Td> 1,700 </Td> <Td> Molniya - M </Td> <Td> 17 May 1967 </Td> <Td> Prototype test </Td> <Td> Success--high Earth orbit manned landing communications gear radio calibration test </Td> </Tr> <Tr> <Td> </Td> <Td> </Td> <Td> Molniya - M </Td> <Td> 7 February 1968 </Td> <Td> Lunar orbiter </Td> <Td> Failure--booster malfunction, failed to reach Earth orbit--attempted radio calibration test? </Td> </Tr> <Tr> <Td> Luna - 14 </Td> <Td> 1,700 </Td> <Td> Molniya - M </Td> <Td> 7 April 1968 </Td> <Td> Lunar orbiter </Td> <Td> Success--870 km x 160 km x 42 deg orbit, 160 m period, unstable orbit, radio calibration test? </Td> </Tr>

When did the rocket land on the moon