The Moon on this date
Moon on Friday, December 18, 1987
Waning Crescent
5.9% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 25°
- Moonset
- SW
60°30°
Horizon
5:35 AM
3:01 PM
25°
Key figures
- Illuminated
- 5.9%
- Age
- 27.4 days
- Distance
- 372,200 km
- Apparent size
- 32.1′
- Constellation
- Libra
- Lunation number
- 803
Events on this date
-
Mercury and Saturn close together
They pass 2.3° apart in the sky.
Exact values
For Dec 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 332.26° |
|---|---|
| Phase angle | 151.88° |
| Illuminated fraction | 5.90% |
| Altitude / azimuth | 21.4° / 203.2° |
| Right ascension / declination | 15h 41m / -24.08° |
| Ecliptic longitude / latitude | 238.50° / -4.36° |
| Libration in longitude / latitude | -6.13° / 6.58° |
| Sub-solar longitude / latitude | -158.16° / -1.52° |
| Position angle of the axis | 12.5° |
| Position angle of the bright limb | 93.4° |
| Apparent magnitude | -6.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.