Talk:WikiJournal of Science/Earth-grazing meteoroid of 13 October 1990
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It was adapted from the Wikipedia page Earth-grazing_meteoroid_of_13_October_1990 and contains some or all of that page's content licensed under a CC BY-SA license. Post-publication review comments or direct edits can be left at the version as it appears on Wikipedia.
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DOI: 10.15347/wjs/2020.005
QID: Q94495834
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Suggested citation format:
Jan Kameníček (11 May 2020). "Earth-grazing meteoroid of 13 October 1990". WikiJournal of Science 3 (1): 5. doi:10.15347/WJS/2020.005. Wikidata Q94495834. ISSN 2470-6345. https://upload.wikimedia.org/wikiversity/en/4/4e/Earth-grazing_meteoroid_of_13_October_1990.pdf.
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Wikipedia: This work is adapted from the Wikipedia article Earth-grazing meteoroid of 13 October 1990 (CC BY-SA). Content has also subsequently been used to update that same Wikipedia article Earth-grazing meteoroid of 13 October 1990.
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This is an open access article distributed under the Creative Commons Attribution ShareAlike License, which permits unrestricted use, distribution, and reproduction, provided the original author and source are credited.
Henry Hoff 
(handling editor) contact
Markus Pössel (handling editor) contact
Lukáš Shrbený
Josep Maria Trigo Rodríguez
Article information
Plagiarism check
Pass. Report from WMF copyvios tool: 1% Plagiarism (and manual review shows that the coincidences were utterly trivial), 99% Unique. Markus Pössel (discuss • contribs) 05:47, 19 July 2019 (UTC)
Editorial comments
Comments by Marshallsumter ,
- My apologies to the authors for not commenting on their submittal earlier!
- The cropped image at Commons File:Earth-grazing meteoroid, 13 October 1990 (2) TFA.jpg minus the red arrow might make a good first image for the review. While it only captures a portion of the track, it shows the rotating shutter interruptions as described.
- As noted in the GA and FA appraisals on Wikipedia, the English is excellent as is the attention to detail!
- Although Wikipedia does not allow original research, the WikiJournals do, so if the authors wish to add any for review, they are more than welcome to!
- I've noticed that some numbers have included errors while others do not. Would it be more consistent to include errors for each?
- From the mass and approximate composition of the meteoroid would you estimate its size at about 1 m?
- Using NASA's Near Earth Object (NEO) Program map and data, see File:SmallAsteroidImpacts-Frequency-Bolide-20141114.jpg, a fireball incidence of about 27 a year and the low detection rate of meteoroids of ~1 m size, unfortunately, it seems earlier or subsequent detections are unlikely. Has anyone checked for either in the European Fireball Network?
- I would guess this meteoroid was not a Draconid or an Orionid?
- I'm guessing no spectroscopy is available?
- From the analysis of the encounter, is there anything to suggest that the heliocentric orbit of the meteoroid is progressing from being a Mars crosser to more of an Earth crosser, or is it equally likely that the meteoroid will be sent back outward in subsequent encounters? --Marshallsumter (discuss • contribs) 21:31, 5 January 2020 (UTC)
_TFA.jpg){kind=link}
@Marshallsumter:Thanks very much for the review! Below I will try to adress your concerns, but I have to admit that I am unfortunately not able to add many more details to the article as I already tried to be as detailed as possible when writing its original version.
Ad 2: I have uploaded the required image, see Commons:File:Earth-grazing meteoroid, 13 October 1990, cropped.jpg, shall I add it somewhere to the text? I wanted to add it somewhere to the Observations section, but its always displayed under the Article infobox.
- Picture added. --Jan Kameníček (discuss • contribs) 19:00, 24 January 2020 (UTC)
Ad 5: I understand this concern, but the numbers in the article mirror the available sources which were also not consistent when providing the errors, so I added the errors only when they were available.
Ad 6 and 7: No, it must have been much smaller. Supposing the bulk density of ordinary chondrites 3.44 ± 0.19 g/cm3 (Wilkinson 2000), we get the radius of an idealized 44 kg sphere 14.51 ± 0.28 cm. If needed, I can add it to the article.
- @Marshallsumter: Finally I added the diameter of the body, summarizing together bulk densities of all three groups of ordinary chondrites.
Ad 8: No, the meteoroid was not attributed to any meteor shower.
Ad 9: Unfortunately no spectroscopy was made.
Ad 10: I am afraid I am not able to answer this question. However, no sources dealing with this meteoroid mention anything of this kind. --Jan Kameníček (discuss • contribs) 18:25, 24 January 2020 (UTC)
First peer reviewer
Review by Lukáš Shrbený , Astronomical Institute, Academy of Sciences, Ondřejov, Czech Republic
These assessment comments were submitted on , and refer to this previous version of the article
Comments to sections:
Observations
- line 4 - "all-sky fisheye objectives" - either all-sky or fisheye objectives, but no both.
Encounter data - Table - delete the last raw "apparent magnitude". Apparent magnitude is always connected to the place whrere is the observation from. Moreover, these values are taken from Olsen et al. 1991, who simulated the flight of teh fireball with computer program, so the magnitudes are not real observed ones. The values "absolute magnitudes" in the Table are correct and enough.
Physical characteristics - line 3 - Olsen et al. 1991 is used again, but there should be 35 seconds of loosing mass between 100.6 and 215.7 km of altitude. I would also reformulate the sentense to: "Losing of mass lasted 35 seconds, until..."
Thanks very much. The above mentioned concerns have been addressed. --Jan.Kameníček (discuss • contribs) 18:33, 24 January 2020 (UTC)
Sent by email from Dr. Lukáš Shrbený to Henry A. Hoff and entered here per request. --Marshallsumter (discuss • contribs) 15:02, 22 January 2020 (UTC)
Second peer reviewer
Review by Josep M. Trigo-Rodriguez , Institute of Space Sciences (CSIC-IEEC), UAB Bellaterra, Catalonia, Spain
These assessment comments were submitted on , and refer to this previous version of the article
I found the document in very good shape, so it is a pleasure giving
you the OK for publication.
Thanks for the review. --Jan.Kameníček (discuss • contribs) 18:34, 24 January 2020 (UTC)
Sent by email from Dr. Josep M. Trigo-Rodriguez to Henry A. Hoff and entered here per request. --Marshallsumter (discuss • contribs) 15:41, 23 January 2020 (UTC)