page_title: Comet Nucleus Dust and Organics Return
section_title: Overview
hierarchical_section_title: Comet Nucleus Dust and Organics Return / Overview
caption_attribution_description: English: NASA's Stardust sample return capsule successfully landed at the U.S. Air Force Utah Test and Training Range at 2:10 a.m. Pacific time (3:10 a.m. Mountain time). The capsule contains cometary and interstellar samples gathered by the Stardust spacecraft. Català: Vehicle de retorn de mostres de la sonda Stardust
context_page_description: COmet Nucleus Dust and Organics Return is a mission concept to retrieve a sample from comet 67P/Churyumov–Gerasimenko to test ideas regarding Solar System formation, and accretion of rocky planets with habitable surface environments.
  CONDOR is a concept by a NASA's Jet Propulsion Laboratory team led by Christopher Guethe and M. Choukroun.
context_section_description: The concept was proposed in 2017 to NASA's New Frontiers program to compete for their Mission 4, but it was not selected. Had it been developed and launched, CONDOR would collect and return a ≥ 50 g sample from the surface of comet 67P/Churyumov-Gerasimenko (also called simply 67P)
  for detailed analysis in terrestrial laboratories. This comet was previously investigated by the Rosetta mission between 2014 and 2016. The CONDOR concept calls for a Lockheed-Martin A2100 bus with a solar electric propulsion system.
  In addition of performing a sample return down to 15 cm depth, it would carry a small payload comprising a narrow angle camera and a millimeter-wave radiometer to select a sampling site, and perform a gravity science investigation to compare changes of 67P since Rosetta.  Following a survey for site selection, the sample retrieval would be a fast touch-and-go event.  The sample would be stored at ≤ -20 °C and sent to Earth on a Stardust-based capsule for extensive analyses not yet possible by robotic spacecraft. The return trip is estimated to take 12.4 years.
caption: The Stardust Capsule as seen in 15 January 2006 by the recovery team
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