Conjunctions in angular separation of Neptune and Mercury February 27, 2010 - 13:57 Neptune 1.7° from Mercury. February 21, 2011 - 01:34 Neptune 1.6° from Mercury. February 14, 2012 - 07:33 Neptune 1.2° from Mercury. February 6, 2013 - 23:34 Neptune 0.4° from Mercury. March 19, 2013 - 18:00 Neptune 2.4° from Mercury. February 4, 2014 - 13:00 Neptune 2.5° from Mercury. March 22, 2014 - 18:42 Neptune 1.2° from Mercury. March 18, 2015 - 08:28 Neptune 1.5° from Mercury. March 11, 2016 - 06:17 Neptune 1.4° from Mercury. March 4, 2017 - 11:41 Neptune 1.0° from Mercury. February 25, 2018 - 12:47 Neptune 0.4° from Mercury. February 19, 2019 - 05:25 Neptune 0.7° from Mercury. April 2, 2019 - 19:47 Neptune 0.4° from Mercury. February 15, 2020 - 20:00 - Neptune 5.8° from Mercury. April 4, 2020 - 00:22 - Neptune 1.3° from Mercury. March 30, 2021 - 03:32 - Neptune 1.3° from Mercury. March 23, 2022 - 18:08 - Neptune 0.9° from Mercury. March 16, 2023 - 17:28 - Neptune 0.4° from Mercury. March 8, 2024 - 14:39 - Neptune 0.4° from Mercury. March 2, 2025 - 12:05 - Neptune 1.8° from Mercury. March 31, 2025 - 19:33 - Neptune 3.2° from Mercury. April 16, 2025 - 23:24 - Neptune 0.7° from Mercury. February 25, 2026 - 10:00 - Neptune 9.4° from Mercury. April 17, 2026 - 01:53 - Neptune 1.3° from Mercury. April 11, 2027 - 18:17 - Neptune 1° from Mercury. April 4, 2028 - 01:14 - Neptune 0.4° from Mercury. March 27, 2029 - 18:37 - Neptune 0.3° from Mercury.