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The 29th century of the anno Domini (common) era will span the years 2801–2900 of the Gregorian calendar.

Astronomical predictions for the 29th century

• The remnants of Comet Ikeya-Seki are expected to return to the inner solar system.
  It was last seen from Earth in 1965–1966, and broke into three pieces as it approached the Sun.
• March 25, 2816: At 15:47 UTC Mercury will occult Jupiter.
• March 6, 2817: At 9:36 UTC Venus will occult Saturn.
• April 11, 2818: At 20:41 UTC Mercury will occult Mars.
• February 6, 2825: At 10:50 UTC Mars will occult Uranus.
• 2829/2830: Triple conjunction Mars-Saturn.
• December 15, 2830: At 09:40 UTC Venus will occult Mars.
• 2842/2843: Triple conjunction Mars-Jupiter.
• December 16, 2846: Transit of Venus.
• December 14, 2854: Partial transit of Venus.
• July 20, 2855: At 05:15 UTC Mercury will occult Jupiter.
• 2866: Triple conjunction Mars-Saturn.
• March 16, 2880: Predicted possible impact date for asteroid (29075) 1950 DA, the near Earth object with the highest known probability of crashing into Earth.

Science fiction set in the 29th century

• The first two of Dan Simmon's novels in the Hyperion tetralogy, Hyperion, and The Fall of Hyperion, take place in the 29th century.
• Some episodes of Star Trek: Enterprise and Star Trek: Voyager feature characters from the 29th century, most notably Captain Braxton of the timeship Aeon in one timeline and of the timeship Relativity in another.
• The 1998 Rick Shelley novel Officer-Cadet is set in the year 2803.
• The 1990 Cyberpunk Anime Cyber City Oedo 808 is set in the year 2808.
• In the Futurama episode "Xmas Story", 2809 was the year of the first Xmas massacre, caused by an evil robotic Santa Claus which was built by Mom's Friendly Robot Company in 2801.
• In the year 2811 in Marathon 2: Durandal and Marathon Infinity (both by Bungie Studios) the AI Durandal arrives in the Lh'owon system 97 light years from the Milky Ways Center.
• Pixar's computer-animated movie WALL·E is set in the year 2805, 700 years after humans left Earth due to garbage and pollution.
• The game Starsiege is set in the year 2829.
• The 1980s animated series Silverhawks was set in the 29th century. It was reported that the main villain, Mon*Star, escaped Penal Planet 10 at 13:00 intergalactic standard time on the 40th day of the year 2839.
• April 9, 2841, is the day that Professor Hubert Farnsworth (Futurama) is born.
• Enix's Star Ocean: Till the End of Time is set in the year 2859 (772 SD).

Other

• Scientists estimate that it will take until the 29th century for radiation levels in areas directly contaminated by the Chernobyl disaster of 1986 to become safe for permanent human habitation again. (See Pripyat, Ukraine)

Centuries and millennia