NASA approves 2018 launch of Mars InSight mission

September 2, 2016 by Guy Webster, JPL/NASA
NASA has set a new launch opportunity, beginning May 5, 2018, for the InSight mission to Mars. InSight is the first mission dedicated to investigating the deep interior of Mars. Credit: NASA/JPL-Caltech

NASA is moving forward with a spring 2018 launch of its InSight mission to study the deep interior of Mars, following final approval this week by the agency's Science Mission Directorate.

The Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) mission was originally scheduled to in March of this year, but NASA suspended launch preparations in December due to a vacuum leak in its prime science instrument, the Seismic Experiment for Interior Structure (SEIS).

The new launch period for the mission begins May 5, 2018, with a Mars landing scheduled for Nov. 26, 2018. The next launch opportunity is driven by orbital dynamics, so 2018 is the soonest the lander can be on its way.

"Our robotic scientific explorers such as InSight are paving the way toward an ambitious journey to send humans to the Red Planet," said Geoff Yoder, acting associate administrator for NASA's Science Mission Directorate, in Washington. "It's gratifying that we are moving forward with this important mission to help us better understand the origins of Mars and all the rocky planets, including Earth."

The SEIS instrument—designed to measure ground movements as small as half the radius of a hydrogen atom—requires a perfect vacuum seal around its three main sensors in order to withstand harsh conditions on the Red Planet. Under what's known as the mission "replan," NASA's Jet Propulsion Laboratory in Pasadena, California, will be responsible for redesigning, developing and qualifying the instrument's evacuated container and the electrical feedthroughs that failed previously. France's space agency, the Centre National d'Études Spatiales (CNES), will focus on developing and delivering the key sensors for SEIS, integration of the sensors into the container, and the final integration of the instrument onto the spacecraft.

The German Aerospace Center (DLR) is contributing the Heat Flow and Physical Properties Package (HP3) to InSight's science payload.

NASA's budget for InSight was $675 million. The instrument redesign and two-year delay add $153.8 million. The additional cost will not delay or cancel any current missions, though there may be fewer opportunities for new missions in future years, from fiscal years 2017-2020.

InSight's primary goal is to help us understand how formed and evolved. Jim Green, director of NASA's Planetary Science Division, said, "We've concluded that a replanned InSight for launch in 2018 is the best approach to fulfill these long-sought, high-priority science objectives."

CNES President Jean-Yves Le Gall added, "This confirmation of the launch plan for InSight is excellent news and an unparalleled opportunity to learn more about the internal structure of the Red Planet, which is currently of major interest to the international community."

The InSight Project is managed by JPL for NASA's Science Mission Directorate, Washington. Lockheed Martin Space Systems, Denver, built the spacecraft. InSight is part of NASA's Discovery Program, which is managed by NASA's Marshall Space Flight Center in Huntsville, Alabama.

Explore further: Mars mission team addressing vacuum leak on key science instrument

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Andrew Palfreyman
not rated yet Sep 03, 2016
On-site core analysis for complex organics? - no. Core left lying around instead.
Deployment in areas where underground water may flow? -no, forbidden.
In terms of looking for life, the 7th Fail.

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