Transit of Mercury from Neptune

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A transit of Mercury from Neptune occurs when Mercury appears to pass in front of the Sun as seen from Neptune. The mean synodic period is 88 days, and the mutual inclination is 7 degrees.

When Mercury begins to make passages through the nodes (relative to Neptune's orbit), many transits result. For example, 19 transits took place from February 1956 to June 1960 at 88-day intervals. There were no more transits until November 2037—a gap of 321 synodic years. This began a string of 25 transits followed by another string beginning 683 synodic periods later than the start of the first one. The first and third both took place at the ascending node, the middle one the descending.

Transits[edit]

beginning 1956 beginning 2037 beginning 2120
February 15, 1956 November 30, 2037 November 12, 2120
May 14, 1956 February 26, 2038 February 9, 2121
August 10, 1956 May 25, 2038 May 8, 2121
November 6, 1956 August 22, 2038 August 4, 2121
February 2, 1957 November 18, 2038 October 31, 2121
May 1, 1957 February 14, 2039 January 27, 2122
July 28, 1957 May 13, 2039 April 25, 2122
October 24, 1957 August 9, 2039 July 22, 2122
January 21, 1958 November 5, 2039 October 18, 2122
April 19, 1958 February 1, 2040 January 15, 2123
July 16, 1958 April 29, 2040 April 4, 2123
October 12, 1958 July 26, 2040 July 10, 2123
January 8, 1959 October 22, 2040 October 6, 2123
April 6, 1959 January 18, 2041 January 2, 2124
July 3, 1959 April 16, 2041 March 30, 2124
September 29, 1959 July 13, 2041 June 26, 2124
December 27, 1959 October 9, 2041 September 23, 2124
March 24, 1960 January 5, 2042 December 20, 2124
June 20, 1960 April 3, 2042 March 18, 2125
July 1, 2042
September 27, 2042
December 24, 2042
March 22, 2043
June 18, 2043
September 14, 2043

References[edit]