The Moon on this date
Moon on Tuesday, December 18, 1979
Waning Crescent
0.7% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 31°
- Moonset
- SW
60°30°
Horizon
6:46 AM
5:00 PM
31°
Key figures
- Illuminated
- 0.7%
- Age
- 29.0 days
- Distance
- 379,700 km
- Apparent size
- 31.5′
- Constellation
- Ophiuchus
- Lunation number
- 704
Events on this date
-
Moon and Neptune close together
They pass 3.4° apart in the sky.
Exact values
For Dec 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 351.87° |
|---|---|
| Phase angle | 170.52° |
| Illuminated fraction | 0.68% |
| Altitude / azimuth | 31.2° / 181.4° |
| Right ascension / declination | 17h 10m / -18.08° |
| Ecliptic longitude / latitude | 258.05° / 4.84° |
| Libration in longitude / latitude | -4.88° / -5.52° |
| Sub-solar longitude / latitude | -176.82° / 1.41° |
| Position angle of the axis | 4.6° |
| Position angle of the bright limb | 121.3° |
| Apparent magnitude | -5.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.