The Moon on this date
Moon on Saturday, December 31, 1983
Waning Crescent
6.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 28°
- Moonset
- SW
60°30°
Horizon
5:30 AM
3:16 PM
28°
Key figures
- Illuminated
- 6.3%
- Age
- 27.2 days
- Distance
- 389,000 km
- Apparent size
- 30.7′
- Constellation
- Ophiuchus
- Lunation number
- 754
Events on this date
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
-
Moon and Uranus close together
They pass 0.4° apart in the sky.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 330.92° |
|---|---|
| Phase angle | 150.84° |
| Illuminated fraction | 6.33% |
| Altitude / azimuth | 24.2° / 203.3° |
| Right ascension / declination | 16h 35m / -21.51° |
| Ecliptic longitude / latitude | 250.38° / 0.51° |
| Libration in longitude / latitude | 5.18° / 0.25° |
| Sub-solar longitude / latitude | -145.51° / -0.68° |
| Position angle of the axis | 6.8° |
| Position angle of the bright limb | 97.8° |
| Apparent magnitude | -6.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.