The Moon on this date
Moon on Saturday, December 23, 1989
Waning Crescent
17.8% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 29°
- Moonset
- SW
60°30°
Horizon
3:48 AM
1:44 PM
29°
Key figures
- Illuminated
- 17.8%
- Age
- 25.3 days
- Distance
- 404,800 km
- Apparent size
- 29.5′
- Constellation
- Libra
- Lunation number
- 828
Events on this date
-
Mercury at greatest elongation
20° from the Sun in the evening sky, its best showing after sunset.
Exact values
For Dec 23, 12:00 PM, midday on this date.
| Elongation from the Sun | 310.35° |
|---|---|
| Phase angle | 130.04° |
| Illuminated fraction | 17.83% |
| Altitude / azimuth | 15.1° / 224.6° |
| Right ascension / declination | 14h 32m / -20.36° |
| Ecliptic longitude / latitude | 222.21° / -5.11° |
| Libration in longitude / latitude | -0.35° / 7.51° |
| Sub-solar longitude / latitude | -130.30° / -1.14° |
| Position angle of the axis | 18.3° |
| Position angle of the bright limb | 103.5° |
| Apparent magnitude | -8.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.