The Moon on this date
Moon on Monday, December 18, 1978
Waning Gibbous
84.7% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 65°
- Moonset
- W
60°30°
Horizon
9:12 PM
10:26 AM
65°
Key figures
- Illuminated
- 84.7%
- Age
- 18.4 days
- Distance
- 405,600 km
- Apparent size
- 29.4′
- Constellation
- Cancer
- Lunation number
- 692
Events on this date
-
Moon and Jupiter close together
They pass 4.0° apart in the sky.
-
Apogee
The Moon's farthest point from Earth on this orbit: 405,600 km.
Exact values
For Dec 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 226.09° |
|---|---|
| Phase angle | 46.06° |
| Illuminated fraction | 84.70% |
| Altitude / azimuth | -16.0° / 304.3° |
| Right ascension / declination | 8h 56m / 14.02° |
| Ecliptic longitude / latitude | 132.52° / -3.15° |
| Libration in longitude / latitude | -1.39° / 4.95° |
| Sub-solar longitude / latitude | -47.10° / 1.57° |
| Position angle of the axis | 17.1° |
| Position angle of the bright limb | 109.8° |
| Apparent magnitude | -11.4 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.