The Moon on this date
Moon on Monday, December 31, 1990
Full Moon
100.0% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 76°
- Moonset
- NW
60°30°
Horizon
5:17 PM
7:52 AM
76°
Key figures
- Illuminated
- 100.0%
- Age
- 14.5 days
- Distance
- 358,200 km
- Apparent size
- 33.3′
- Constellation
- Gemini
- Lunation number
- 841
Events on this date
-
Uranus behind the Sun
On the far side of the Sun and lost in its glare.
-
Full Moon
The whole disc is lit. The Moon rises around sunset and stays up all night.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 179.06° |
|---|---|
| Phase angle | 1.97° |
| Illuminated fraction | 99.97% |
| Altitude / azimuth | -25.2° / 352.1° |
| Right ascension / declination | 6h 39m / 24.88° |
| Ecliptic longitude / latitude | 98.83° / 1.74° |
| Libration in longitude / latitude | 1.72° / -1.34° |
| Sub-solar longitude / latitude | 2.67° / -0.50° |
| Position angle of the axis | 2.4° |
| Position angle of the bright limb | 313.8° |
| Apparent magnitude | -12.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.