A table listing some of the Astronomical Phenomena for December 2013:
Phenomena December
| Day | Event |
|---|---|
| 1 | Moon passes 1 degree south of Saturn mag +0.8 (10 UT) |
| 1 | Asteroid (511) Davida mag +9.8 is at opposition in Taurus |
| 1 | Moon passes 0.4 degrees north of Mercury mag -0.6 (22 UT) |
| 3 | New Moon (00:23 UT) |
| 4 | Moon is at perigee 360,065 km or 223,734 miles from Earth (10:02 UT) |
| 5 | Asteroid (64) Angelina mag +10.7 is at opposition in Taurus |
| 6 | Moon passes 8 degrees north of Venus mag -4.8 (0 UT) |
| 8 | Moon passes 6 degrees north of Neptune mag +7.9 (17 UT) |
| 9 | First quarter Moon (15:12 UT) |
| 11 | Moon passes 3 degrees north of Uranus mag +5.8 (7 UT) |
| 14 | Geminids meteor shower peaks (ZHR = 120) |
| 16 | Moon passes 3 degrees north of Aldebaran mag +0.9 (3 UT) |
| 17 | Full Moon (09:29 UT) |
| 18 | Uranus mag +5.8 is stationary in Cetus (2 UT) |
| 19 | Moon passes 5 degrees south of Jupiter mag -2.7 (7 UT) |
| 19 | Moon passes 12 degrees south of Pollux mag +1.1 (22 UT) |
| 19 | Moon is at apogee 406,271 km or 252,445 miles from Earth (23:36 UT) |
| 20 | Venus mag -4.8 is stationary in Sagittarius (20 UT) |
| 21 | Winter Solstice NH - Summer Solstice SH (17:11 UT) |
| 22 | Mercury at aphelion 0.467 AU (approx. 69.9 million km or 43.4 million miles) from Sun (0 UT) |
| 22 | Ursids meteor shower peaks (ZHR = 10 - occasionally up to 50) |
| 22 | Moon passes 5 degrees south of Regulus mag +1.4 (23 UT) |
| 24 | Asteroid (532) Herculina mag +9.4 is at opposition in Orion |
| 25 | Last quarter Moon (13:48 UT) |
| 26 | Moon passes 5 degrees south of Mars mag +1.0 (3 UT) |
| 27 | Moon passes 1.1 degrees north of Spica mag +1.0 (3 UT) |
| 29 | Moon passes 1 degree south of Saturn mag +0.8 (1 UT) |
| 29 | Mercury is at superior conjunction (6 UT) |
| 30 | Moon passes 7 degrees north of Antares mag +1.0 (8 UT) |