The Moon on this date
Moon on Thursday, December 10, 1981
Waxing Gibbous
99.2% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- –
- Moonset
- NW
60°30°
Horizon
4:53 PM
6:34 AM
Key figures
- Illuminated
- 99.2%
- Age
- 14.1 days
- Distance
- 356,900 km
- Apparent size
- 33.5′
- Constellation
- Taurus
- Lunation number
- 729
Events on this date
-
Mercury behind the Sun
On the far side of the Sun and lost in its glare.
-
Perigee
The Moon's closest point to Earth on this orbit: 356,800 km.
Exact values
For Dec 10, 12:00 PM, midday on this date.
| Elongation from the Sun | 170.66° |
|---|---|
| Phase angle | 9.97° |
| Illuminated fraction | 99.24% |
| Altitude / azimuth | -32.1° / 3.6° |
| Right ascension / declination | 4h 32m / 18.29° |
| Ecliptic longitude / latitude | 69.23° / -3.59° |
| Libration in longitude / latitude | -0.32° / 5.51° |
| Sub-solar longitude / latitude | 8.99° / 0.89° |
| Position angle of the axis | 352.5° |
| Position angle of the bright limb | 236.4° |
| Apparent magnitude | -12.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.