The Moon on this date
Moon on Thursday, December 17, 2122
Waning Gibbous
78.9% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 62°
- Moonset
- W
60°30°
Horizon
10:03 PM
10:46 AM
62°
Key figures
- Illuminated
- 78.9%
- Age
- 18.6 days
- Distance
- 381,200 km
- Apparent size
- 31.3′
- Constellation
- Cancer
- Lunation number
- 2473
Events on this date
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 234.69° |
|---|---|
| Phase angle | 54.68° |
| Illuminated fraction | 78.90% |
| Altitude / azimuth | -13.2° / 296.0° |
| Right ascension / declination | 9h 25m / 10.71° |
| Ecliptic longitude / latitude | 140.16° / -4.26° |
| Libration in longitude / latitude | 6.59° / 6.34° |
| Sub-solar longitude / latitude | -47.48° / 0.00° |
| Position angle of the axis | 17.0° |
| Position angle of the bright limb | 111.6° |
| Apparent magnitude | -11.3 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.