User:Nrco0e/Notes/Irregular moons

Timeline of discovery of Solar System planets and their moons

Photometric parameters of irregular satellites: http://nsdb.imcce.fr/multisat/parcohe.htm

Discovery circumstances

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1999

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2000

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2001

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2002

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2003

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2010

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2011

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2016

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2017

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2018

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Saturn

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Uranus

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Neptune

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Discovery announcements

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Callirrhoe

1999 (17 moons; +1)

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2001 (28 moons; +11)

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2002 (40 moons; +12)

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2003 (61 moons; +21)

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2004 (63 moons; +2)

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2011-2012 (65 moons; +2)

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2012 (67 moons; +2)

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Note: Dia was long lost and was not counted as a satellite until it was rediscovered in 2015. Therefore the counts would have been one less (66, 64, 62, etc.), though I include Dia here for simplicity purposes.

2017 (69 moons; +2)

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2018 (79 moons; +10)

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Saturn

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Ymir

2000 (30 moons; +12)

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2003 (31 moons; +1)

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2005 (46 moons; +12)

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2006 (56 moons; +9)

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2007 (59 moons; +3)

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2019 (82 moons; +20)

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Uranus

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Caliban

1997 (17 moons; +2)

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1999 (21 moons; +3)

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2002 (24 moons; +3)

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2003 (27 moons; +1)

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Neptune

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Psamathe

2002 (11 moons; +3)

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2003 (13 moons; +2)

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Numbering and naming of irregular satellites

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Jupiter

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Saturn

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Uranus

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Neptune

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Orbits and positions of Solar System irregular satellites as 1 Jan 2021