A table listing some of the Astronomical Phenomena for December 2012:
Phenomena December
| Day | Event |
|---|---|
| December 03 | Jupiter mag -2.8 is at opposition in Taurus approx. 4.068 AU (609 million km or 378 million miles) from Earth (2 UT) |
| December 04 | Mercury mag -0.5 is at greatest elongation west 21 degrees (23 UT) |
| December 06 | Last quarter Moon (15:32 UT) |
| December 07 | Jupiter mag -2.8 passes 5 degrees north of Aldebaran mag 0.9 (19 UT) |
| December 09 | Asteroid (4) Vesta mag 6.4 is at opposition in Taurus (8 UT) |
| December 09 | Moon passes 0.8 degrees south of Spica mag 1.0, occultation is visible from Antarctica, southern South America (12 UT) |
| December 10 | Moon passes 4 degrees south of Saturn mag 0.8 (12 UT) |
| December 11 | Moon passes 1.6 degrees south of Venus mag -3.9 (14 UT) |
| December 12 | Moon passes 1.1 degrees south of Mercury mag -0.5 (1 UT) |
| December 12 | Near Earth object NEO 4179 Toutatis mag 10.5 makes a close pass of the Earth (0.0463 AU) (7 UT) |
| December 12 | Moon is at perigee 357,072km (23:07 UT) |
| December 13 | New Moon (8:42 UT) |
| December 13 | Geminids meteor shower peaks (ZHR = 120) |
| December 13 | Uranus is stationary (20 UT) |
| December 15 | Moon passes 6 degrees north of Mars mag 1.2 (10 UT) |
| December 17 | Mercury mag -0.5 passes 6 degrees north of Antares mag 1.0 (15 UT) |
| December 18 | Moon passes 6 degrees north of Neptune mag 7.9 (6 UT) |
| December 18 | Dwarf planet Ceres mag 6.7 is at opposition in Taurus (9 UT) |
| December 20 | First quarter Moon (5:19 UT) |
| December 20 | Moon passes 5 degrees north of Uranus mag 5.8 (20 UT) |
| December 21 | Winter Solstice NH - Summer Solstice SH (11:12 UT) |
| December 22 | Ursids meteor shower peaks (ZHR = 10 - occasionally up to 50) |
| December 23 | Venus mag -3.9 passes 6 degrees north of Antares mag 1.0 (11 UT) |
| December 23 | Saturns moon Iapetus is at greatest western elongation mag 11.5 (17 UT) |
| December 23 | Asteroid (21) Lutetia mag 10.6 is at opposition in Gemini |
| December 23 | Asteroid (48) Doris mag 10.9 is at opposition in Orion |
| December 25 | Moon is at apogee 406,097km (21:18 UT) |
| December 26 | Moon passes 0.4 degrees south of Jupiter mag -2.8, occultation is visible from central South America and the southern Africas (0 UT) |
| December 28 | Full Moon (10:21 UT) |