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"ہیلی کا دم دار سیارہ" کے نسخوں کے درمیان فرق

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4 مآخذ کو بحال کرکے 0 پر مردہ ربط کا ٹیگ لگایا گیا) #IABot (v2.0.7
سطر 7:
| epoch=2449400.5<br/>([[17 فروری]] [[1994ء|1994]])
| semimajor=17.8 [[فلکیاتی اکائی|AU]]
| perihelion=0.586 AU<br/>last perihelion: [[9 فروری]] [[1986ء|1986]]<br/>next perihelion: [[28 جولائی]] [[2061]]<ref name=horizons>{{cite web | last = Yeomans | first = Donald K. | url = http://ssd.jpl.nasa.gov/horizons.cgi | title = Horizon Online Ephemeris System | publisher = California Institute of Technology, Jet Propulsion Laboratory | accessdate = 2006-09-08 | archiveurl = httphttps://web.archive.org/web/20190107072711/https://ssd.jpl.nasa.gov/?horizons | archivedate = 72019-01-07 جنوری| 2019url-status = live }}</ref>
| aphelion=35.1 AU<br/>([[9 دسمبر]] [[2023]])<ref name=horizons/>
| eccentricity=0.967
سطر 17:
|publisher=Astronomical Society of the Pacific (No. 6 – Fall 1986)
|url=http://www.astrosociety.org/education/publications/tnl/06/06.html
|accessdate=2008-12-16
| archiveurl = httphttps://web.archive.org/web/20190107072719/http://www.astrosociety.org/edu/publications/tnl/06/06.html
| archivedate = 7 جنوری 2019 -01-07
|url-status=live
}}</ref>، 11&nbsp;km (JPL)<ref name=jpldata/>
| density=0.6<ref name=density/> (estimates range from 0.2 to 1.5 [[گرام|g]]/[[Cubic centimeter|cm³]]<ref name="Peale1989November">{{cite journal
|last=Peale |first=S.J.
سطر 30 ⟵ 34:
|author=Robert Roy Britt
|url=http://www.space.com/scienceastronomy/solarsystem/borrelly_dark_011129.html
|accessdate=2008-12-16
|archiveurl=httphttps://web.archive.org/web/20011130041644/http://www.space.com/scienceastronomy/solarsystem/borrelly_dark_011129.html
|archivedate=2001-11-30}}</ref>
|url-status=live
|sidereal_day = 2.2 d (52.8 h) (?)<ref name=jpldata>{{cite web |date=1994-01-11 last obs |title=JPL Small-Body Database Browser: 1P/Halley |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1P |accessdate=2008-10-13| archiveurl = http://web.archive.org/web/20190111231352/https://ssd.jpl.nasa.gov/?horizons | archivedate = 11 جنوری 2019 }}</ref><ref name=density>{{cite web|title=Is the nucleus of Comet Halley a low density body?|author= RZ Sagdeev; PE Elyasberg; VI Moroz.|work=AA(AN SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR)، AB(AN SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR)، AC(AN SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR)|url=http://adsabs.harvard.edu/abs/1988Natur.331.۔240S|year=1988|accessdate=2007-05-15}}</ref><ref name=mass>{{cite web|title=Halley, comet's mass loss and age|author=G. Cevolani, G. Bortolotti and A. Hajduk|url=http://www.springerlink.com/content/0r3801302547v3x8/|year=1987|accessdate=2007-05-15}}</ref><ref name=Peale1989>{{cite journal▼
}}</ref>
▲|sidereal_day = 2.2 d (52.8 h) (?)<ref name=jpldata>{{cite web |date=1994-01-11 last obs |title=JPL Small-Body Database Browser: 1P/Halley |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1P |accessdate=2008-10-13 | archiveurl = httphttps://web.archive.org/web/20190111231352/https://ssd.jpl.nasa.gov/?horizons | archivedate = 2019-01-11 جنوری 2019|url-status=live }}</ref><ref name=density>{{cite web|title=Is the nucleus of Comet Halley a low density body?|author= RZ Sagdeev; PE Elyasberg; VI Moroz.|work=AA(AN SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR)، AB(AN SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR)، AC(AN SSSR, Institut Kosmicheskikh Issledovanii, Moscow, USSR)|url=http://adsabs.harvard.edu/abs/1988Natur.331.۔240S|year=1988|accessdate=2007-05-15}}</ref><ref name=mass>{{cite web|title=Halley, comet's mass loss and age|author=G. Cevolani, G. Bortolotti and A. Hajduk|url=http://www.springerlink.com/content/0r3801302547v3x8/|year=1987|accessdate=2007-05-15}}</ref><ref name=Peale1989>{{cite journal
|last=Peale |first=S.J.
|coauthors=Lissauer, Jack J.
اخذ کردہ از «https://ur.wikipedia.org/wiki/ہیلی_کا_دم_دار_سیارہ»