The Moon on this date
Moon on Friday, December 18, 2009
Waxing Crescent
4.5% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 28°
- Moonset
- SW
60°30°
Horizon
9:29 AM
7:13 PM
28°
Key figures
- Illuminated
- 4.5%
- Age
- 2.2 days
- Distance
- 404,100 km
- Apparent size
- 29.6′
- Constellation
- Sagittarius
- Lunation number
- 1076
Events on this date
-
Moon and Mercury close together
They pass 1.4° apart in the sky.
-
Mercury at greatest elongation
20° from the Sun in the evening sky, its best showing after sunset.
Exact values
For Dec 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 24.36° |
|---|---|
| Phase angle | 155.58° |
| Illuminated fraction | 4.47% |
| Altitude / azimuth | 20.0° / 146.7° |
| Right ascension / declination | 19h 32m / -21.74° |
| Ecliptic longitude / latitude | 291.28° / 0.01° |
| Libration in longitude / latitude | 1.59° / 0.80° |
| Sub-solar longitude / latitude | 156.88° / -0.66° |
| Position angle of the axis | 352.5° |
| Position angle of the bright limb | 262.6° |
| Apparent magnitude | -6.3 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.