The Moon on this date
Moon on Tuesday, December 31, 1991
Waning Crescent
16.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 27°
- Moonset
- SW
60°30°
Horizon
4:11 AM
1:52 PM
27°
Key figures
- Illuminated
- 16.0%
- Age
- 25.5 days
- Distance
- 396,200 km
- Apparent size
- 30.1′
- Constellation
- Libra
- Lunation number
- 853
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 | 313.04° |
|---|---|
| Phase angle | 132.80° |
| Illuminated fraction | 16.03% |
| Altitude / azimuth | 15.5° / 220.7° |
| Right ascension / declination | 15h 16m / -22.18° |
| Ecliptic longitude / latitude | 232.55° / -3.90° |
| Libration in longitude / latitude | 5.92° / 5.87° |
| Sub-solar longitude / latitude | -126.84° / 0.02° |
| Position angle of the axis | 16.4° |
| Position angle of the bright limb | 100.9° |
| Apparent magnitude | -8.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.