The Moon on this date
Moon on Wednesday, December 18, 1991
Waxing Gibbous
89.7% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 72°
- Moonset
- NW
60°30°
Horizon
2:34 PM
4:41 AM
72°
Key figures
- Illuminated
- 89.7%
- Age
- 12.5 days
- Distance
- 370,100 km
- Apparent size
- 32.3′
- Constellation
- Aries
- Lunation number
- 853
Events on this date
No Moon or planet events on this date.
Exact values
For Dec 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 142.74° |
|---|---|
| Phase angle | 37.37° |
| Illuminated fraction | 89.74% |
| Altitude / azimuth | -21.6° / 33.4° |
| Right ascension / declination | 3h 01m / 21.42° |
| Ecliptic longitude / latitude | 49.01° / 4.10° |
| Libration in longitude / latitude | -5.92° / -4.42° |
| Sub-solar longitude / latitude | 31.02° / -0.42° |
| Position angle of the axis | 342.9° |
| Position angle of the bright limb | 258.1° |
| Apparent magnitude | -11.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.