MASCOT Successfully Completes Exploration of Asteroid Ryugu

Figure 1c (Credit : JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu, AIST)
  • As planned, MASCOT was able to acquire data about the composition and texture of the asteroid at several locations.
  • Before the battery depleted, the lander sent all scientific data to the Hayabusa2 mothercraft.
  • New images from MASCOT’s landing on asteroid Ryugu were presented by DLR, JAXA and CNES today at the International Astronautical Congress (IAC).

COLOGNE, Germany (DLR PR) — It was a day full of exciting moments and a happy team of scientists and engineers: late in the afternoon of 3 October 2018, the German-French lander MASCOT completed its historic exploration of the surface of the asteroid Ryugu at 21:04 CEST, as its battery ran out.

On-asteroid operations were originally scheduled to last 16 hours after separation from the Japanese mothercraft Hayabusa2. But in the end, the battery lasted more than 17 hours.

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A Closer Look at Hayabusa2’s MASCOT Asteroid Lander

Left: Illustration of MASCOT separating from Hayabusa2. Right: Illustration of MASCOT landing on the surface of Ryugu. (Credit: JAXA)

TOKYO (JAXA PR) — MASCOT (Mobile Asteroid Surface Scout) is the asteroid lander jointly developed by DLR (German Aerospace Center) and CNES (French National Center for Space Studies). MASCOT is stored on the -Y-plane side of Hayabusa2 (this is the left-hand side surface when the high gain antenna is at the head and the ion engine is at the spacecraft back) and deployed from this position (see Figure 1).
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MASCOT Lands Safely on Asteroid Ryugu

Figure 3: Left: Illustration of MASCOT separating from Hayabusa2. Right: Illustration of MASCOT landing on the surface of Ryugu. (Credit: JAXA)

COLOGNE, Germany (DLR PR) — The near-Earth asteroid Ryugu, located approximately 300 million kilometres from Earth, has a new inhabitant: On 3 October 2018, the Mobile Asteroid Surface Scout (MASCOT) landed on the asteroid and began to work.

The lander successfully separated from the Japanese Hayabusa2 space probe at 03:58 CEST. The 16 hours in which the lander will conduct measurements on the asteroid’s surface have begun for the international team of engineers and scientists.
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Landing on Ryugu – A Surface with a View of Boulders

The boulder-strewn surface of asteroid Ryugu. (Credit: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu, AIST.)

COLOGNE, Germany (DLR PR) — In early October 2018, the Mobile Asteroid Surface Scout (MASCOT) lander is expected to be in operation for approximately 16 hours on the Ryugu asteroid. The selection of the landing site will take place this August. The ideal site must firstly offer the MASCOT team engineers excellent conditions for a safe landing and stable operation on the asteroid, while providing the researchers with a wealth of new and productive measurements.

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MASCOT’s Asteroid Landing – Preparations, Risks and Last-minute Decisions

Asteroid Ryugu photographed by Japan’s Hayabusa2 spacecraft. (Credit: JAXA)

COLOGNE, Germany (DLR PR) — Scientists and engineers have been waiting nearly four years for the Japanese Hayabusa2 spacecraft – which is carrying the Mobile Asteroid Surface Scout (MASCOT) lander that was developed and constructed by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) – to reach its destination: the asteroid Ryugu. With the approach and arrival having taken place on 27 June 2018, the landing is now within reach.

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