A table listing some of the Astronomical Phenomena for December 2015:
Phenomena December
| Day | Event |
|---|---|
| 2 | Moon passes 3 degrees south of Regulus mag +1.4 (12 UT) |
| 3 | Last quarter Moon (7:41 UT) |
| 4 | Moon passes 2 degrees south of Jupiter mag -2.0 (6 UT) |
| 5 | Moon is at apogee 404,801 km or 251,532 miles from Earth (15:00 UT) |
| 6 | Moon passes 0.1 degrees south of Mars mag +1.5, occultation is visible from Australia, Central and East Africa, Indonesia, Southern India (2:42 UT) |
| 6 | Moon passes 4.5 degrees north of Spica mag +1.0 (20 UT) |
| 7 | Moon passes 0.7 degrees north of Venus mag -4.2, occultation is visible from North and Central America (16:56 UT) |
| 9 | Asteroid (16) Psyche mag +9.4 is at opposition in Taurus |
| 10 | Moon passes 3 degrees north of Saturn mag +0.6 (14 UT) |
| 10 | Moon passes 9 degrees north of Antares mag +1.0 (15 UT) |
| 11 | New Moon (10:30 UT) |
| 11 | NEO Asteroid 33342 mag +11.3 approaches Earth to within 4.19 million kilometres or 2.60 million miles |
| 12 | Moon passes 7 degrees north of Mercury mag -0.6 (14 UT) |
| 13 | Saturn mag +0.6 passes 6 degrees north of Antares mag +1.0 (6 UT) |
| 14 | Geminids meteor shower peaks (ZHR = 120) |
| 17 | Moon passes 3 degrees north of Neptune mag +7.9 (8 UT) |
| 18 | First quarter Moon (15:15 UT) |
| 20 | Moon passes 1.2 degrees south of Uranus mag +5.8, occultation is visible from Southern South America, Falkland Islands (00:50 UT) |
| 21 | Moon is at perigee 368,423 km or 228,927 miles from Earth (9:09 UT) |
| 21 | Mars mag +1.3 passes 4 degrees north of Spica mag +1.0 (12 UT) |
| 22 | Winter Solstice NH - Summer Solstice SH (4:48 UT) |
| 23 | Ursids meteor shower peaks (ZHR = 10 - occasionally up to 50) |
| 23 | Moon passes 0.7 degrees north of Aldebaran mag +0.9, occultation is visible from Europe, Russia, NW Africa, North Asia, eastern Canada (19:33 UT) |
| 25 | Full Moon (11:12 UT) |
| 25 | Asteroid (27) Euterpe mag +8.4 is at opposition in Gemini |
| 26 | Uranus mag +5.8 is stationary in Pisces, afterwards resumes direct motion (10 UT) |
| 27 | Moon passes 11 degrees south of Pollux mag +1.1 (2 UT) |
| 29 | Mercury mag -0.6 is at greatest elongation east 19.7 degrees (3 UT) |
| 29 | Moon passes 3 degrees south of Regulus mag +1.4 (21 UT) |
| 31 | Moon passes 1.5 degrees south of Jupiter mag -2.1 (18 UT) |