Hayabusa2 to Ryugu, sample & return mission

approaches target asteroid

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Re: Hayabusa2 to Ryugu, sample & return mission

#41  Postby newolder » Oct 02, 2018 4:01 pm

Within the next few hours, 8 to 10 or so, the small asteroid lander MASCOT should start its operations from the surface of Ryugu. This lander has a 1 hop capability if things are not ok initially.
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Re: Hayabusa2 to Ryugu, sample & return mission

#42  Postby newolder » Oct 04, 2018 9:20 pm

MASCOT has finished its job. Story @ space.com
RIP, MASCOT: Hopping Lander Meets Its End on Asteroid Ryugu
By Mike Wall, Space.com Senior Writer | October 4, 2018 01:42pm ET
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Re: Hayabusa2 to Ryugu, sample & return mission

#43  Postby newolder » Oct 14, 2018 12:33 pm

Hyabusa2's shadow, MASCOT's approach and hops before its demise on the 'crazy' rocky surface.
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Re: Hayabusa2 to Ryugu, sample & return mission

#44  Postby newolder » Oct 15, 2018 7:15 am

October landing postponed til after January 2019.
Image
Figure 2: L08-B (area enclosed within the red circle) and its peripheral area imaged from a lower altitude. The photograph was captured with the ONC-T (Optical Navigation Camera – Telescopic) from an altitude of about 1.9km during the MASCOT separation operation on October 3, 2018 at 05:41 JST.
(Image credit ※: JAXA, University of Tokyo, Kochi University, Rikkyo University, Nagoya University, Chiba Institute of Technology, Meiji University, University of Aizu, AIST).


...
This decision to postpone touchdown is based on two main reasons. The first involves the improved understanding of the surface conditions on Ryugu by the operations conducted so far, and the second is the increased knowledge of the precision of the navigation guidance of the spacecraft.
...

More @ JAXA link
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Re: Hayabusa2 to Ryugu, sample & return mission

#45  Postby newolder » Feb 07, 2019 2:08 pm

Japan's Hayabusa2 probe to land on asteroid on Feb 22
by Staff Writers
Tokyo (AFP) Feb 6, 2019

A Japanese probe sent to examine an asteroid in order to shed light on the origins of the solar system is expected to land on the rock later this month, officials said Wednesday.

The Japan Aerospace Exploration Agency (JAXA) said the Hayabusa2 probe is expected to touch down on the Ryugu asteroid at 8am local time on February 22.
...

More @ Space Daily link
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Re: Hayabusa2 to Ryugu, sample & return mission

#46  Postby newolder » Feb 21, 2019 4:25 pm

Touchdown time approaches. Live coverage begins soon (JST is UTC + 9 hours). The probe is currently descending at 0.1 ms-1 and is a few km from/above the surface... Info. on the touchdown site @ JAXA link
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Re: Hayabusa2 to Ryugu, sample & return mission

#47  Postby newolder » Feb 22, 2019 10:06 am

The image shows the shadow of Huyabusa 2 as the craft leaves the surface after having collected its sample. Jet wash discolours the surface at site of the landing.
Image
Arrives back to Earth sometime in 2020...
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Re: Hayabusa2 to Ryugu, sample & return mission

#48  Postby The_Piper » Feb 22, 2019 12:19 pm

:eager:
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Re: Hayabusa2 to Ryugu, sample & return mission

#49  Postby newolder » Mar 05, 2019 2:52 pm

Touchdown and take off movie sped up x5, via JAXA.

Youtube header translated by Bing:
This video is taken with compact camera 2/22/2019 (Japan time) has to asteroid ryugu No. 1 times second touchdown when Hayabusa 2. Video playback speed is 5 x real time. Shooting is a 2/227:26From7:32(Japan time) on while changing the frequency of aerial images, made 5 minutes 40 seconds. Together with 233 images taken during this period, this video has been made. This movie was taken on February 22, 2019 (JST) when Hayabusa2 first touched down on asteroid Ryugu to collect a sample from the surface. It was captured using the onboard small monitor camera (CAM-H). The video playback speed is five times faster than actual time. Compact camera took this powerful video, production, with the donations we have received from our. Was able to shoot a touchdown thanks to this camera. Please help, thank you. The small monitor camera that captured this powerful video was producted and installed by donations from the public. Thanks to this camera, we were able to photograph the situation during touchdown. Thank you all for your contributions! * Image credit: JAXA * cooperation: Tokyo Science University Kimura laboratory (applied research compact camera has in the past conducted by JAXA and the University of science and technology. )

Will explain this more. < Asteroid probe Hayabusa 2 press briefing (19 / 3 / 5) live relay (delivery):https://www.YouTube.com/watch?v=ry2i3.


Press conference @ https://www.youtube.com/watch?v=ry2i3X60MvE
Starts about 13 minutes in, no translation found...
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Re: Hayabusa2 to Ryugu, sample & return mission

#50  Postby newolder » Apr 04, 2019 7:50 am

via space.com
"Keep banging the rocks together, guys."
...
Thursday night, the Japan Aerospace Exploration Agency (JAXA) will provide a live webcast at 9 p.m. EDT (0100 April 5 GMT) as the Hayabusa2 spacecraft fires a projectile at the asteroid Ryugu in order to create an artificial crater. The actual asteroid impact is scheduled for 10:36 p.m. EDT (0236 April 5 GMT).

As with all of Thursday's activities, you can watch JAXA's asteroid crash on Space.com. You can also watch directly from JAXA here.

Hayabusa2 is will crash its Small Carry-on Impactor into Ryugu in order to peer inside the space rock and get a glimpse at its composition. Hayabusa2 will release the impactor from a distance of about 1,640 feet (500 meters), then retreat to a safe zone behind Ryugu as the impactor crashes into the asteroid and kicks up massive amounts of debris.

...
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Re: Hayabusa2 to Ryugu, sample & return mission

#51  Postby newolder » Apr 05, 2019 12:57 pm

Ejector curtains photographed by the analogue camera:
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Re: Hayabusa2 to Ryugu, sample & return mission

#52  Postby newolder » Apr 24, 2019 2:37 pm

There's an ongoing 'crater search' mission where the spacecraft is descending towards Ryugu and looking for the crater created by the impactor pictured above^.

Images appear stacked at this mission page as they are acquired.

Latest image from about 13km:
Image

April 24 at 23:25 JST: the altitude of the spacecraft is about 10km. Currently, the descent speed is about 40cm/s.
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Re: Hayabusa2 to Ryugu, sample & return mission

#53  Postby newolder » Apr 24, 2019 4:08 pm

Image acquired at 1535 UT:
Image
Is that the new crater? :scratch:

Probably not. Phew! It looks like this one pictured earlier in the mission.
Image
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Re: Hayabusa2 to Ryugu, sample & return mission

#54  Postby newolder » Apr 25, 2019 11:46 am

Before and after the impactor:
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Re: Hayabusa2 to Ryugu, sample & return mission

#55  Postby newolder » Jul 11, 2019 7:18 am

A link to a longish twitter thread reporting overnight (here) operations that led to a successful second touchdown and that ends with great celebration. Well done, again, Haya2e_JAXA! https://twitter.com/haya2e_jaxa/status/ ... 2928277505
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