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- Grigg–Skjellerup abstract "Comet Grigg–Skjellerup (formally designated 26P/Grigg–Skjellerup) is a periodic comet. It was visited by the Giotto probe in July 1992. It came as close as 200 km, but could not take pictures since some instruments were damaged from its encounter with Halley's Comet.Discovered in 1902 by John Grigg of New Zealand, and rediscovered in its next appearance in 1922 by John Francis Skjellerup, an Australian then living and working for about two decades in South Africa where he was a founder member of the Astronomical Society of Southern Africa.In 1987, it was belatedly discovered by Ľubor Kresák that the comet had been observed in 1808 as well, by Jean-Louis Pons.The comet has often suffered the gravitational influence of Jupiter, which has altered its orbit considerably. For instance, its perihelion distance has changed from 0.77 AU in 1725 to 0.89 AU in 1922 to 0.99 AU in 1977 and to 1.12 AU in 1999.Having its recent perihelion so close to Earth's orbit made it an easy target to reach for the Giotto mission (spacecraft) in 1992, whose primary mission was to Comet Halley. Giotto had a closest approach to Grigg–Skjellerup of 200 km, much closer than its approach to Comet Halley, but was unable to obtain images as its camera was destroyed during the Halley rendezvous in 1986.In 1972 the comet was discovered to produce a meteor shower, the Pi Puppids, and its current orbit makes them peak around April 23, for observers in the southern hemisphere, best seen when the comet is near perihelion.The 2002 return (expected perihelion around October 8, 2002) was very unfavorable and no observations were reported.The comet nucleus is estimated to be 2.6 kilometers in diameter.".
- Grigg–Skjellerup thumbnail Grigg-Skjellerup_Eso9209a.jpg?width=300.
- Grigg–Skjellerup wikiPageID "593525".
- Grigg–Skjellerup wikiPageRevisionID "604842745".
- Grigg–Skjellerup aphelion "4.9332".
- Grigg–Skjellerup designations "1.669248E8".
- Grigg–Skjellerup designations "1.677888E8".
- Grigg–Skjellerup designations "1808".
- Grigg–Skjellerup designations "1902".
- Grigg–Skjellerup designations "1922".
- Grigg–Skjellerup designations "1927".
- Grigg–Skjellerup designations "1937".
- Grigg–Skjellerup designations "1947".
- Grigg–Skjellerup designations "1952".
- Grigg–Skjellerup designations "1956".
- Grigg–Skjellerup designations "1961".
- Grigg–Skjellerup designations "1966".
- Grigg–Skjellerup designations "1972".
- Grigg–Skjellerup designations "1977".
- Grigg–Skjellerup designations "1982".
- Grigg–Skjellerup designations "1986".
- Grigg–Skjellerup discoverer "John Grigg and John Francis Skjellerup".
- Grigg–Skjellerup discoveryDate "1902".
- Grigg–Skjellerup eccentricity "0.6631".
- Grigg–Skjellerup epoch "--04-10".
- Grigg–Skjellerup inclination "22.36".
- Grigg–Skjellerup lastP "2008-03-23".
- Grigg–Skjellerup lastP "2013-07-06".
- Grigg–Skjellerup name "26".
- Grigg–Skjellerup nextP "2018".
- Grigg–Skjellerup perihelion "1.1168".
- Grigg–Skjellerup period "5.31".
- Grigg–Skjellerup semimajor "3.0437".
- Grigg–Skjellerup subject Category:Astronomical_objects_discovered_in_1902.
- Grigg–Skjellerup subject Category:Comets.
- Grigg–Skjellerup subject Category:Comets_visited_by_spacecraft.
- Grigg–Skjellerup subject Category:Periodic_comets.
- Grigg–Skjellerup comment "Comet Grigg–Skjellerup (formally designated 26P/Grigg–Skjellerup) is a periodic comet. It was visited by the Giotto probe in July 1992.".
- Grigg–Skjellerup label "26P/Grigg-Skjellerup".
- Grigg–Skjellerup label "26P/Grigg-Skjellerup".
- Grigg–Skjellerup label "26P/Grigg-Skjellerup".
- Grigg–Skjellerup label "26P/Grigg–Skjellerup".
- Grigg–Skjellerup label "26P/Григга — Скьеллерупа".
- Grigg–Skjellerup label "Grigg-Skjellerup".
- Grigg–Skjellerup label "グリッグ・シェレルップ彗星".
- Grigg–Skjellerup sameAs Grigg%E2%80%93Skjellerup.
- Grigg–Skjellerup sameAs Grigg-Skjellerup.
- Grigg–Skjellerup sameAs Grigg-Skjellerup.
- Grigg–Skjellerup sameAs Grigg-Skjellerup.
- Grigg–Skjellerup sameAs Grigg–Skjellerup.
- Grigg–Skjellerup sameAs Grigg-Skjellerup.
- Grigg–Skjellerup sameAs グリッグ・シェレルップ彗星.
- Grigg–Skjellerup sameAs Grigg-Skjellerup.
- Grigg–Skjellerup sameAs Q1537693.
- Grigg–Skjellerup sameAs Q1537693.
- Grigg–Skjellerup wasDerivedFrom Grigg–Skjellerup?oldid=604842745.
- Grigg–Skjellerup depiction Grigg-Skjellerup_Eso9209a.jpg.