| 3rd millennium | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| XXI century - XXII century - XXIII century - XXIV century - XXV century | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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XXIII (twenty-third) century - according to the Gregorian calendar, the time interval between January 1, 2201 and December 31, 2300 .
Expected Astronomical Events
- 2221 - the triple conjunction of Mars and Saturn .
- December 2, 2223 at 12:32 (UTC) Mars will close Jupiter .
- 2238/2239: the triple conjunction of Jupiter and Saturn (the last triple conjunction of Jupiter and Saturn was in 1981 ).
- August 12, 2243 at 04:52 (UTC) Venus will cover Saturn .
- On June 11, 2247, Venus will pass through the disk of the Sun.
- April 25, 2249 - Orc trans-Neptunian object will make the first turn since its opening (since February 17, 2004 ).
- March 4, 2251: At 10:52 (UTC), Venus will cover Uranus .
- In 2252, the planetoid Orc will make the first full revolution around the Sun since its discovery in 2004 - the period of its revolution around the Sun lasts 248 years.
- On August 1, 2253, Mercury will cover the star Regulus (Ξ± Leo ). Prior to this, the last coverage by Mercury Regula was August 13, 364 BC. er
- June 9, 2255 - the passage of Venus across the disk of the Sun.
- 2256-2258 a year. Eris reaches perihelion for the first time since opening.
- 2279 year. Triple connection of Jupiter and Saturn.
- October 6, 2271 - Venus will cover Regulus (Ξ± Leo ).
- 2281, 2282: The Great Trio of Uranus , Neptune and Pluto . The last time the Great Trio was in 1769 and 1770 .
- October 28, 2286 - Haumea will make the first turn since the unofficial opening (since December 28, 2004 ).
- May 29, 2287 - Haumea will make the first turn since the official discovery (since July 29, 2005 ), its rotation period around the Sun lasts 281 Earth years.
- August 28, 2287: The distance between Earth and Mars will be reduced to a theoretical minimum, the last time such a small distance was on August 27, 2003 .
- In 2288, the planetoid Kvavar will make the first revolution since the discovery (since June 4, 2002 ), its rotation period around the Sun lasts 286 Earth years.
See also
βΊ XXIII century