The Moon on this date
Moon on Tuesday, December 31, 1985
Waning Gibbous
81.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 67°
- Moonset
- W
60°30°
Horizon
9:45 PM
11:03 AM
67°
Key figures
- Illuminated
- 81.3%
- Age
- 19.7 days
- Distance
- 385,600 km
- Apparent size
- 31.0′
- Constellation
- Leo
- Lunation number
- 779
Events on this date
No Moon or planet events on this date.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 231.27° |
|---|---|
| Phase angle | 51.30° |
| Illuminated fraction | 81.26% |
| Altitude / azimuth | -9.9° / 299.5° |
| Right ascension / declination | 10h 20m / 15.34° |
| Ecliptic longitude / latitude | 151.24° / 4.61° |
| Libration in longitude / latitude | -6.06° / -5.17° |
| Sub-solar longitude / latitude | -56.91° / -1.39° |
| Position angle of the axis | 20.4° |
| Position angle of the bright limb | 108.0° |
| Apparent magnitude | -11.4 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.