Space probe comet 67P/Churyumov-Gerasimenko in November 2014. First probe to Jupiter. Radio communications were lost with Pioneer 10 on January 23, 2003, because of the loss of electric power for its radio transmitter, with the probe at a distance of 12 billion kilometers (80 AU) from Earth. First probe to fly by Saturn. (Communications were later lost due to power constraints and vast distance.) "Voyager 1" is a 733-kilogram probe launched September 5, 1977. It visited Jupiter and Saturn and was the first probe to provide detailed images of the moons of these planets. "Voyager 1" is the farthest human-made object from
Japanese Lunar Exploration Program planned mission to Mars, consisting of an orbiter (MELOS-1), and a lander (MELOS-2). It would be the successor to the comet probe Suisei (PLANET-A) the Mars probe Nozomi (PLANET-B), and the Venus probe Akatsuki (PLANET-C). MELOS-1 is planned to be launched in 2018, and will also have up to four small landers. Hiten, or MUSES-A (Mu Space Engineering Satellite-A) is a technology demonstration satellite built by ISAS, launched on January 24, 1990. LUNAR-A was an ISAS mission consisting of a lunar space craft which would have carried two penetrators to the Moon, and deploy them at an altitude of 40