The Moon on this date
Moon on Wednesday, December 17, 1997
Waning Gibbous
86.2% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 66°
- Moonset
- W
60°30°
Horizon
9:00 PM
10:20 AM
66°
Key figures
- Illuminated
- 86.2%
- Age
- 17.6 days
- Distance
- 393,500 km
- Apparent size
- 30.4′
- Constellation
- Cancer
- Lunation number
- 927
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 | 223.72° |
|---|---|
| Phase angle | 43.69° |
| Illuminated fraction | 86.16% |
| Altitude / azimuth | -16.6° / 306.8° |
| Right ascension / declination | 8h 45m / 15.13° |
| Ecliptic longitude / latitude | 129.52° / -2.84° |
| Libration in longitude / latitude | 4.60° / 4.52° |
| Sub-solar longitude / latitude | -38.74° / 1.52° |
| Position angle of the axis | 16.3° |
| Position angle of the bright limb | 108.9° |
| Apparent magnitude | -11.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.