The Moon on this date
Moon on Saturday, December 31, 1988
Waning Crescent
45.4% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 41°
- Moonset
- W
60°30°
Horizon
12:48 AM
12:12 PM
41°
Key figures
- Illuminated
- 45.4%
- Age
- 22.5 days
- Distance
- 402,800 km
- Apparent size
- 29.7′
- Constellation
- Virgo
- Lunation number
- 816
Events on this date
-
Neptune behind the Sun
On the far side of the Sun and lost in its glare.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 275.45° |
|---|---|
| Phase angle | 95.28° |
| Illuminated fraction | 45.40% |
| Altitude / azimuth | 1.7° / 256.0° |
| Right ascension / declination | 12h 53m / -9.16° |
| Ecliptic longitude / latitude | 195.71° / -3.23° |
| Libration in longitude / latitude | -3.10° / 4.99° |
| Sub-solar longitude / latitude | -97.89° / -1.31° |
| Position angle of the axis | 21.7° |
| Position angle of the bright limb | 112.6° |
| Apparent magnitude | -9.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.