The Moon on this date
Moon on Friday, December 20, 2109
Waning Crescent
2.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 32°
- Moonset
- SW
60°30°
Horizon
6:00 AM
4:25 PM
32°
Key figures
- Illuminated
- 2.5%
- Age
- 28.2 days
- Distance
- 359,000 km
- Apparent size
- 33.3′
- Constellation
- Ophiuchus
- Lunation number
- 2312
Events on this date
-
Perigee
The Moon's closest point to Earth on this orbit: 359,000 km.
-
Moon and Mercury close together
They pass 2.1° apart in the sky.
-
Moon and Venus close together
They pass 2.5° apart in the sky.
-
Mercury, Moon, and Venus gathered
All within 2.5° of each other in the sky.
Exact values
For Dec 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 342.53° |
|---|---|
| Phase angle | 161.80° |
| Illuminated fraction | 2.50% |
| Altitude / azimuth | 31.2° / 192.2° |
| Right ascension / declination | 16h 41m / -17.13° |
| Ecliptic longitude / latitude | 251.20° / 5.02° |
| Libration in longitude / latitude | 0.13° / -5.66° |
| Sub-solar longitude / latitude | -162.33° / 1.40° |
| Position angle of the axis | 7.7° |
| Position angle of the bright limb | 110.7° |
| Apparent magnitude | -6.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.