BK-1 Success of landing of Huygens on Titan and its results(BK-1. 月・惑星探査などの観測・通信システム, 通信1)

概要

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After a 7-year interplanetary journey onboard the Cassini spacecraft, the Huygens Probe was successfully released on 25 December 2004. It reached the upper layer of the atmosphere of Titan (reference altitude of 1270km) on 14 January 2005 at 9:06 UTC. 4 minutes later the main parachute was deployed. Huygens started transmitting the data 1 minute later. After a descent of 2h27, the Probe softly landed on a solid surface at a speed of about 5m/s. Cassini received data until 12:50 UTC, when Huygens was still operating. This paper outlines the main events that occurred during the descent. The results of all experiments, including the radio-tracking of the signal from Earth-based radio-telescopes are summarized.
2005-03-07