Akatsuki
Space probe
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Akatsuki, also known as the Venus Climate Orbiter and Planet-C, is a Japan Aerospace Exploration Agency space probe tasked with studying the atmosphere of Venus. It was launched aboard an H-IIA 202 rocket on 20 May 2010, but failed to enter orbit... Wikipedia
Launch date: May 20, 2010 at 5:58 PM EDT
Cost: 290 million USD
Manufacturer: Japan Aerospace Exploration Agency
Launch site: Yoshinobu Launch Complex
Apocytherion altitude: 370,000 kilometers (230,000 mi)
Dry mass: 320 kg (710 lb)
Inclination: 3.0°