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A table listing some of the Astronomical Phenomena for December 2012:

Phenomena December

December 03Jupiter mag -2.8 is at opposition in Taurus approx. 4.068 AU (609 million km or 378 million miles) from Earth (2 UT)
December 04Mercury mag -0.5 is at greatest elongation west 21 degrees (23 UT)
December 06Last quarter Moon (15:32 UT)
December 07Jupiter mag -2.8 passes 5 degrees north of Aldebaran mag 0.9 (19 UT)
December 09Asteroid (4) Vesta mag 6.4 is at opposition in Taurus (8 UT)
December 09Moon passes 0.8 degrees south of Spica mag 1.0, occultation is visible from Antarctica, southern South America (12 UT)
December 10Moon passes 4 degrees south of Saturn mag 0.8 (12 UT)
December 11Moon passes 1.6 degrees south of Venus mag -3.9 (14 UT)
December 12Moon passes 1.1 degrees south of Mercury mag -0.5 (1 UT)
December 12Near Earth object NEO 4179 Toutatis mag 10.5 makes a close pass of the Earth (0.0463 AU) (7 UT)
December 12Moon is at perigee 357,072km (23:07 UT)
December 13New Moon (8:42 UT)
December 13Geminids meteor shower peaks (ZHR = 120)
December 13Uranus is stationary (20 UT)
December 15Moon passes 6 degrees north of Mars mag 1.2 (10 UT)
December 17Mercury mag -0.5 passes 6 degrees north of Antares mag 1.0 (15 UT)
December 18Moon passes 6 degrees north of Neptune mag 7.9 (6 UT)
December 18Dwarf planet Ceres mag 6.7 is at opposition in Taurus (9 UT)
December 20First quarter Moon (5:19 UT)
December 20Moon passes 5 degrees north of Uranus mag 5.8 (20 UT)
December 21Winter Solstice NH - Summer Solstice SH (11:12 UT)
December 22Ursids meteor shower peaks (ZHR = 10 - occasionally up to 50)
December 23Venus mag -3.9 passes 6 degrees north of Antares mag 1.0 (11 UT)
December 23Saturns moon Iapetus is at greatest western elongation mag 11.5 (17 UT)
December 23Asteroid (21) Lutetia mag 10.6 is at opposition in Gemini
December 23Asteroid (48) Doris mag 10.9 is at opposition in Orion
December 25Moon is at apogee 406,097km (21:18 UT)
December 26Moon passes 0.4 degrees south of Jupiter mag -2.8, occultation is visible from central South America and the southern Africas (0 UT)
December 28Full Moon (10:21 UT)