The Moon on this date
Moon on Monday, December 17, 1917
Waxing Crescent
13.6% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 35°
- Moonset
- W
60°30°
Horizon
10:19 AM
9:01 PM
35°
Key figures
- Illuminated
- 13.6%
- Age
- 3.3 days
- Distance
- 369,600 km
- Apparent size
- 32.3′
- Constellation
- Capricornus
- Lunation number
- -62
Events on this date
-
Mercury at greatest elongation
20° from the Sun in the evening sky, its best showing after sunset.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 43.07° |
|---|---|
| Phase angle | 136.74° |
| Illuminated fraction | 13.59% |
| Altitude / azimuth | 15.8° / 127.3° |
| Right ascension / declination | 20h 39m / -15.14° |
| Ecliptic longitude / latitude | 308.29° / 3.17° |
| Libration in longitude / latitude | -1.71° / -3.20° |
| Sub-solar longitude / latitude | 134.78° / -0.21° |
| Position angle of the axis | 346.2° |
| Position angle of the bright limb | 252.6° |
| Apparent magnitude | -7.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.