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- 2007_Q3 abstract "C/2007 Q3 (Siding Spring), is an Oort cloud comet that was discovered by Donna Burton in 2007 at Siding Spring Observatory in New South Wales, Australia. Siding Spring came within 1.2 astronomical units of Earth and 2.25 AU of the Sun on October 7, 2009. The comet was visible with binoculars until January 2010.Images of the comet taken in March 2010, showed that the nucleus may have fragmented.The comet has an observation arc of 1,327 days and is still been observed as of April 2011. The orbit of a long-period comet is properly obtained when the osculating orbit is computed at an epoch after leaving the planetary region and is calculated with respect to the center of mass of the solar system. Using JPL Horizons, the barycentric orbital elements for epoch 2030-Jan-01 generate a semi-major axis of 7,500 AU, an apoapsis distance of 15,000 AU, and a period of approximately 650,000 years.Before entering the planetary region (epoch 1950), C/2007 Q3 had a calculated barycentric orbital period of ~6.4 million years with an apoapsis (aphelion) distance of about 69,000 AU (1.09 light-years). The comet was probably in the outer Oort cloud for millions or billions of years with a loosely bound chaotic orbit until it was perturbed inward.".
- 2007_Q3 thumbnail Comet_Siding_Spring.jpg?width=300.
- 2007_Q3 wikiPageExternalLink curious-comatail-of-comet-c2007-q3.html.
- 2007_Q3 wikiPageExternalLink razdelenie-yadra-komety-c2007-q3-siding-spring-3.
- 2007_Q3 wikiPageExternalLink 2007+Q3.
- 2007_Q3 wikiPageExternalLink 2007+Q3;orb=1;view=Far.
- 2007_Q3 wikiPageExternalLink 2007Q3.html.
- 2007_Q3 wikiPageID "26257082".
- 2007_Q3 wikiPageRevisionID "605573268".
- 2007_Q3 aphelion "~15,000 AU".
- 2007_Q3 caption "--01-10".
- 2007_Q3 discoverer Siding_Spring_Survey.
- 2007_Q3 discoverer "0.5".
- 2007_Q3 discoverer "Donna Burton".
- 2007_Q3 discoveryDate "2007-08-25".
- 2007_Q3 eccentricity "1.0002077".
- 2007_Q3 epoch "2455014.5".
- 2007_Q3 hasPhotoCollection 2007_Q3.
- 2007_Q3 inclination "65.6504".
- 2007_Q3 lastP "2009-10-07".
- 2007_Q3 name "C/2007 Q3".
- 2007_Q3 nextP "unknown".
- 2007_Q3 perihelion "2.25166".
- 2007_Q3 period "2.051244E13".
- 2007_Q3 semimajor "~7,500 AU".
- 2007_Q3 subject Category:Comets.
- 2007_Q3 subject Category:Non-periodic_comets.
- 2007_Q3 subject Category:Oort_cloud.
- 2007_Q3 comment "C/2007 Q3 (Siding Spring), is an Oort cloud comet that was discovered by Donna Burton in 2007 at Siding Spring Observatory in New South Wales, Australia. Siding Spring came within 1.2 astronomical units of Earth and 2.25 AU of the Sun on October 7, 2009. The comet was visible with binoculars until January 2010.Images of the comet taken in March 2010, showed that the nucleus may have fragmented.The comet has an observation arc of 1,327 days and is still been observed as of April 2011.".
- 2007_Q3 label "C/2007 Q3 (Siding Spring)".
- 2007_Q3 label "C/2007 Q3 (Siding Spring)".
- 2007_Q3 label "C/2007 Q3".
- 2007_Q3 label "C/2007 Q3".
- 2007_Q3 sameAs 2007_Q3_(Siding_Spring).
- 2007_Q3 sameAs 2007_Q3_(Siding_Spring).
- 2007_Q3 sameAs m.0b774qt.
- 2007_Q3 sameAs Q999740.
- 2007_Q3 sameAs Q999740.
- 2007_Q3 wasDerivedFrom 2007_Q3?oldid=605573268.
- 2007_Q3 depiction Comet_Siding_Spring.jpg.
- 2007_Q3 isPrimaryTopicOf 2007_Q3.
