|+ RetrogradeTanggal datesRetrograde<ref>{{cite web |url=http://www.classroomscience.org/school-year-preview-of-planetary-events-august-2018-june-2019/ |title=School-Year Preview of Planetary Events, August 2018-June 2019 |last=Victor |first=Robert |date=August 2018 |access-date=2018-10-05 |archive-url=https://web.archive.org/web/20190822203826/http://www.classroomscience.org/school-year-preview-of-planetary-events-august-2018-june-2019 |archive-date=2019-08-22 |url-status=dead }}</ref><ref>{{cite web|url=http://aa.usno.navy.mil/data/docs/ssconf.php |title=Topocentric Configuration of Major Solar System Bodies |access-date=2018-10-05}}</ref><ref>Edgar, James S. (editor). ''Observer's Handbook 2019''. The Royal Astronomical Society of Canada. {{ISBN|9-781927-879153}}.</ref> inpada 2019
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|+ RetrogradeTanggal datesRetrograde<ref>{{cite web|url=http://astropixels.com/ephemeris/ephemeris.html |title=Planetary Ephemeris Data |access-date=2018-12-08}}</ref> inpada 2020