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The statement "The explosion will form a copper penetrator hitting the asteroid with a velocity of 2 km/s" is unclear. Perhaps something like "The copper penetrator's velocity of 2 km/s will create an explosion due to the kinetic energy of its impact."?
128.170.224.10 (
talk) 20:16, 8 December 2014 (UTC)daddyodelreply
No - the high explosive forms the (liquid?) copper penetrator and accelerates it to 2km/s. -
Rod57 (
talk) 14:44, 13 September 2017 (UTC)reply
2014 XX39
Is it worth mentioning in the article that Hayabusa 2 was discovered as near-Earth asteroid
2014 XX39?
Clarification question. The Hayabusa 2 probe was misidentified as a near-miss asteroid as it left Earth orbit, and was later identified as being the space probe? Maybe that would be more appropriate for a page on detecting Near Earth Objects rather than cluttering up information about the Hayabusa 2 mission.
Actually, the 1999 JU3 asteroid for the Hayabusa 2 mission and the Itokawa (1998 SF36) asteroid for the original Hayabusa mission are both considered Potentially Hazardous Asteroids (PHAs).
So maybe there would be an interest on the Hayabusa 2 page for a comment about efforts to detect Near Earth Asteroids (NEAs) in general, and PHAs in particular, with a link to a page with more detail about the current state of the art.
I'm not totally sold on the notability of this info- seems kind of like trivia, with little impact to the mission. But if there's a verifiable source per
WP:V (i.e. not just a posting on a groups.yahoo.com forum), perhaps there's a way to include the info. I would stick to how this relates to Hayabusa 2, however. A general comment about detecting NEAs/PHAs belongs in a different article. Cheers!
Skyraider1 (
talk) 01:49, 11 March 2015 (UTC)reply
What is MINERVA
MINERVA is mentioned in the infobox, but not described ? -
Rod57 (
talk) 14:46, 13 September 2017 (UTC)reply
Sample
There is no information whatsoever on how the sample will be collected and how it will be sent to Earth.
Rowan Forest (
talk) 22:06, 18 June 2018 (UTC)reply
Sampling is documented now, but the article is still missing info on how the samples will be sent toward Earth and how they will be retrieved.
Rowan Forest (
talk) 19:14, 21 September 2018 (UTC)reply
@
Hms1103: Do you know which section in that paper deals with the return trip and sample return? I could use an automated translator for that specific section. 3 samples total = one from surface two from the excavated crater? Any sample curation during transport? Parachute descent? Which facility will process the samples? Also, can you find info on the specifications of the ion engines? Thanks,
Rowan Forest (
talk) 14:03, 24 September 2018 (UTC)reply
Can you confirm that in Section 4 the 3 samplings are: 1) dry regolith, 2) hydrated regolith (or bedrock if wet regolith can't be found), 3) subsurface sample from the crater excavated by the bullet. Thank you,
Rowan Forest (
talk) 14:25, 24 September 2018 (UTC)reply
@
Rowan Forest: In section 4, it mentions that The first candidate is regolithic surface that exhibits traits of hydrous minerals( 含水鉱物の特徴が確認できるレゴリス状表面). Other candidates are places that evidence of aqueous alterations is either unobservable or weak(水質変成の証拠がみえないか弱い地点). If the surface doesn't show diversity in materials(表面に物質の多様性が認められない場合), sampling from the bedrock becomes a candidate. The third sampling will take place at the excavated crater, where it is expected that samples with a minimum effect from surface process will be gained. A), B), C), describes the type of samples that they want to collect from a scientific perspective(they want samples of each of them), and the regolithic surface that exhibits traits of hydrous minerals may have all three of it.
Any sample curation during transport? →In section 4's (4), it mentions that they are planning to collect volatile sample component prior to unsealing the sample container. Also, in (3) it says that the sample container is sealed as such that on Earth, less than 1Pa of atmosphere leaks inside per week. Which facility will process the samples? →The short answer is,
here, at the Extraterrestrial Sample Curation Center, which is inside JAXA
Sagamihara Campus. In the article, towards the end of section4 it says that they expect to conduct element/isotope analysis, mineral and textural observation, gas analysis and organic analysis.
Some specs of the ion engine are shown here
[1]. Regards,
Hms1103 (
talk) 08:18, 25 September 2018 (UTC)reply
The automated translations can be tricky, so thank you for the info on the sampling and on the engines. It is appreciated.
Rowan Forest (
talk) 14:00, 25 September 2018 (UTC)reply
A Commons file used on this page has been nominated for deletion
The following Wikimedia Commons file used on this page has been nominated for deletion:
Yes, to be specific,
[2] says "Hayabusa2 will continue onto a new mission after delivering the “tamatebako” (treasure box) from Ryugu to the Earth. Referred to as the “extended mission”, the destination will be the small asteroid 1998 KY26." (My emphasis.) But some people don't want that included in the article, so I'm out.
HenryFlower 12:55, 5 December 2020 (UTC)reply
Done Instead of End of mission, it now says Flyby of Earth (Sample return).
Hms1103 (
talk) 19:54, 6 December 2020 (UTC)reply
Is there a reason that after doing this, you made this edit
[3] to reinstate the 'end of mission' language?
Retswerb (
talk) 09:36, 23 December 2020 (UTC)reply
Why is it in the proposed section of the space observatories infobox?
Template:Space observatories says it's proposed, but it looks to me to have been quite operational, should it be moved? Is its current task of asteroid-rendezvousing not considered space observing?
Drone Better (
talk) 13:18, 29 March 2021 (UTC)reply
2001 CC21 asteroid type
I noticed that in the article, it mentioned that 2001 CC21 was an L-type asteroid. Is there any citations for this? Thank you.
72.203.63.234 (
talk) 02:34, 17 March 2022 (UTC)reply
2001 WR1
One source says that this will be the next target for Hayabusa2, but on the Hayabusa2 article, it says that it will be 2001 CC21.
24.120.60.99 (
talk) 18:59, 25 April 2022 (UTC)reply
If the Hayabusa 2 was planned for 6 years? which year did this start from?
If the Hayabusa 2 was planned for 6 years? which year did this start from?
115.69.22.123 (
talk) 11:10, 12 November 2023 (UTC)reply