The Moon on this date
Moon on Wednesday, December 31, 2121
Last Quarter
51.8% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 43°
- Moonset
- W
60°30°
Horizon
12:12 AM
11:44 AM
43°
Key figures
- Illuminated
- 51.8%
- Age
- 21.7 days
- Distance
- 404,400 km
- Apparent size
- 29.5′
- Constellation
- Virgo
- Lunation number
- 2461
Events on this date
-
Mars, Mercury, and Venus gathered
All within 7.2° of each other in the sky.
-
Mercury and Venus close together
They pass 2.7° apart in the sky.
-
Apogee
The Moon's farthest point from Earth on this orbit: 404,400 km.
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 268.06° |
|---|---|
| Phase angle | 87.91° |
| Illuminated fraction | 51.82% |
| Altitude / azimuth | -3.0° / 261.8° |
| Right ascension / declination | 12h 21m / -8.00° |
| Ecliptic longitude / latitude | 188.03° / -5.24° |
| Libration in longitude / latitude | -0.55° / 7.61° |
| Sub-solar longitude / latitude | -88.02° / -0.13° |
| Position angle of the axis | 23.3° |
| Position angle of the bright limb | 113.7° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.