Conjunctions in angular separation of Neptune and Mercury February 15, 2020 - 20:09 Neptune 5.76° from Mercury April 4, 2020 - 00:19 Neptune 1.32° from Mercury March 30, 2021 - 03:30 Neptune 1.28° from Mercury March 23, 2022 - 18:07 Neptune 0.93° from Mercury March 16, 2023 - 17:28 Neptune 0.38° from Mercury March 8, 2024 - 14:38 Neptune 0.44° from Mercury March 2, 2025 - 12:04 Neptune 1.84° from Mercury April 16, 2025 - 23:24 Neptune 0.68° from Mercury February 25, 2026 - 10:09 Neptune 9.27° from Mercury April 17, 2026 - 01:52 Neptune 1.32° from Mercury April 11, 2027 - 18:17 Neptune 0.95° from Mercury April 4, 2028 - 01:14 Neptune 0.38° from Mercury March 27, 2029 - 18:37 Neptune 0.35° from Mercury March 20, 2030 - 13:15 Mercury 1.34° from Neptune. May 1, 2031 - 04:23 Mercury 1.28° from Neptune. April 28, 2032 - 21:40 Mercury 1.16° from Neptune. April 23, 2033 - 04:04 Mercury 0.52° from Neptune. April 16, 2034 - 03:46 Mercury 0.23° from Neptune. April 8, 2035 - 16:18 Mercury 1.1° from Neptune. March 31, 2036 - 10:59 Mercury 2.21° from Neptune. May 13, 2037 - 22:49 Mercury 1.59° from Neptune. May 11, 2038 - 13:22 Mercury 0.88° from Neptune. May 5, 2039 - 09:35 Mercury 0.01° from Neptune.