| 词条 | P/1999 J6 |
| 释义 |
| name = C/1999 J6 | image = | caption = | discoverer = SOHO Mike Oates | discovery_date = May 10, 1995 {{small|first observed only}} | designations = | epoch = | obs_arc = | obs = | orbit = | aphelion = | perihelion = | semimajor = 3.100 AU | semiminor = | orbital_circ = | eccentricity = 0.984 | period = | avg_speed = | max_speed = | min_speed = | inclination = | node = | peri = | tjup = 1.923 | Earth_moid = | Jupiter_moid = | dimensions = | albedo = | M1 = | M2 = | last_p = | next_p = | b_semimajor = | b_period = | source = }}P/SOHO 5 (1999 J6) is a small comet, notable for being among those that made a close approach to the Earth.[1][2][3][4] It was first observed by the space-based Solar and Heliospheric Observatory (SOHO) on 10 May 1995.[6] The first close approach was on June 12, 1999, but the discovery was made on March 20, 2000, during a review of previously captured images.[7] It made a second approach in 2004, when it was known as "C/2004 V9".[8] It made a third approach, on April 18, 2010, and a fourth approach on August 15, 2015.[9][10][11] References1. ^1 {{cite web |title = MPEC 2000-F30 : COMET C/1999 J6 (SOHO) |work = Minor Planet Electronic Circular |url = https://www.minorplanetcenter.net/iau/mpec/K00/K00F30.html |accessdate = 17 December 2018}} [1][2][3][4][5][6][7][8][9][10]2. ^1 {{cite web | url = http://www.astro.umd.edu/~mmk8a/research/1999j6.html| title = Return of Marsden Comet 1999 J6 = 2004 V9 = 2010 H3| work = University of Maryland| author = | date = | page = | location = | isbn = | language = | trans_title = | archiveurl = https://web.archive.org/web/20181216055332/http://www.astro.umd.edu/~mmk8a/research/1999j6.html| archivedate = 2018-12-16| accessdate = 2018-12-15| deadurl = No | quote = }} 3. ^1 {{cite news | url = http://www.rkracht.de/soho/marsden/thereturn.htm| title = The Return of C/1999 J6 = C/2004 V9| work = | author = | date = | page = | location = | isbn = | language = | trans_title = | archiveurl = | archivedate = | accessdate = 2018-12-15| deadurl = No | quote = The two brightest Marsden group comets C/1999 J6 and C/2004 V9 were linked by Brian Marsden (MPEC 2004-X73) and Z. Sekanina and P. W. Chodas, an orbit for the 2010 return by S. Nakano is here.}} 4. ^1 {{cite news | url = http://www.mikeoates.org/comets/non-sungrazers.htm#109| title = Mike's SOHO Comet Hunt: Non-Sungrazing Comets| work = | author = Mike Oates| date = 2005-01-17| archiveurl = https://web.archive.org/web/20170306154740/http://mikeoates.org/comets/non-sungrazers.htm#109| archivedate = 2017-03-06| accessdate = 2018-12-15| deadurl = No | quote = Found on the evening of March 21 2000 while searching archive data from the LASCO C3 instrument on FITS images taken on May 11 1999. The comet was seen moving away from the Sun, getting brighter then fading, it could be followed on the May 12th images as well. Doug Biesecker also located the comet on C2 frames on the 10th.}} 5. ^1 {{cite news | url = http://wirtanen.astro.umd.edu/close_approaches.shtml| title = What are the closest comet encounters with Earth?| work = University of Maryland| author = | date = | page = | location = | isbn = | language = | trans_title = | archiveurl = https://web.archive.org/web/20180502224447/http://wirtanen.astro.umd.edu:80/close_approaches.shtml| archivedate = 2018-05-02| accessdate = 2018-12-15| deadurl = No | quote = }} 6. ^1 {{cite web | url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1999J6;cad=1#cad | title = JPL Close-Approach Data: P/1999 J6 (SOHO) | type = 2010-04-22 last obs (arc=10.9 yr; JFC) | date = 2012-06-28| work = NASA| archiveurl = https://web.archive.org/web/20170111222704/http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1999J6;cad=1#cad| archivedate = 2017-01-11| accessdate = 2018-12-15| deadurl = No | quote = }} 7. ^1 {{cite journal | url = https://trs-new.jpl.nasa.gov/bitstream/handle/2014/39217/05-0507.pdf?sequence=1&isAllowed=y | accessdate = 2018-01-11| bibcode = 2005ApJS..161..551S | title = Origin of the Marsden and Kracht Groups of Sunskirting Comets. I. Association with Comet 96P/Machholz and Its Interplanetary Complex | journal = The Astrophysical Journal Supplement Series | volume = 151 | issue = 2 | pages = 551–586 | date = December 2005 | doi = 10.1086/497374 | authors = Zdenek Sekanina, Paul W. Chodas| archiveurl = https://web.archive.org/web/20181216011418/https://trs-new.jpl.nasa.gov/bitstream/handle/2014/39217/05-0507.pdf?sequence=1&isAllowed=y| archivedate = 2018-12-16| deadurl = No | quote = }} 8. ^1 {{cite news | url = http://www2.lowell.edu/users/knight/docs/dissertation.pdf | title = Studies of SOHO Comets| work = | author = Matthew M. Knight| date = | page = 167| location = | isbn = | language = | trans_title = | archiveurl = https://web.archive.org/web/20171026113629/http://www2.lowell.edu/users/knight/docs/dissertation.pdf| archivedate = 2017-10-26| accessdate = 2018-12-15| deadurl = No | quote = The only comet which was observed well enough to compare the lightcurve shapes was C/1999 J6 which returned as C/2004 V9.}} 9. ^1 {{cite web | url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1999%20J6;old=0;orb=0;cov=0;log=0;cad=1#cad| title = P/1999 J6 (SOHO). Close-Approach Data | publisher = NASA/JPL | date = 2012-05-07| accessdate = 2017-11-10| archiveurl = https://www.webcitation.org/query?url=https%3A%2F%2Fssd.jpl.nasa.gov%2Fsbdb.cgi%3Fsstr%3D1999%2520J6%3Bold%3D0%3Borb%3D0%3Bcov%3D0%3Blog%3D0%3Bcad%3D1&date=2018-12-15| archivedate = 2018-12-15}} 10. ^1 {{cite web| url = https://twitter.com/RonBaalke/status/632947440191074304| title = Sun grazer comet P/1999 J6 (SOHO) makes its closest approach to Earth today. Orbital period: 5.5 years.| author = Ron Baalke| date = 2015-08-15| archiveurl = https://web.archive.org/web/20181216224421/https:/twitter.com/RonBaalke/status/632947440191074304| archivedate = 2018-12-16| accessdate = 2018-12-16}} }} 1 : Comets discovered by SOHO |
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