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04 04 Perihelion

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Prometheus:
Perihelion

Earth's perihelion and aphelion
The Earth is closest to the Sun in early January and farthest in early July. The relation between perihelion, aphelion and the Earth's seasons changes over a 21,000 year cycle. This anomalistic precession contributes to periodic climate change (see Milankovitch cycles).

The day and hour of these events for the next few years are:

Year Perihelion Aphelion
2007 January 3 20Z July 7 00Z
2008 January 3 00Z July 4 08Z
2009 January 4 15Z July 4 02Z
2010 January 3 00Z July 6 11Z
2011 January 3 19Z July 4 15Z
2012 January 5 00Z July 5 03Z
2013 January 2 05Z July 5 15Z
2014 January 4 12Z July 4 00Z
2015 January 4 07Z July 6 19Z
2016 January 2 23Z July 4 16Z
2017 January 4 14Z July 3 20Z
2018 January 3 06Z July 6 17Z
2019 January 3 05Z July 4 22Z
2020 January 5 08Z July 4 12Z

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