The Moon on this date
Moon on Sunday, December 17, 2017
Waning Crescent
0.4% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 30°
- Moonset
- SW
60°30°
Horizon
6:59 AM
5:04 PM
30°
Key figures
- Illuminated
- 0.4%
- Age
- 29.2 days
- Distance
- 406,000 km
- Apparent size
- 29.4′
- Constellation
- Ophiuchus
- Lunation number
- 1174
Events on this date
-
Moon and Mercury close together
They pass 1.7° apart in the sky.
-
Mercury, Moon, and Venus gathered
All within 5.2° of each other in the sky.
-
Moon and Venus close together
They pass 4.1° apart in the sky.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 353.89° |
|---|---|
| Phase angle | 172.54° |
| Illuminated fraction | 0.42% |
| Altitude / azimuth | 30.5° / 179.1° |
| Right ascension / declination | 17h 17m / -18.81° |
| Ecliptic longitude / latitude | 259.85° / 4.25° |
| Libration in longitude / latitude | 1.75° / -4.80° |
| Sub-solar longitude / latitude | -172.25° / 1.22° |
| Position angle of the axis | 3.4° |
| Position angle of the bright limb | 124.1° |
| Apparent magnitude | -4.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.