The Moon on this date
Moon on Sunday, December 17, 1978
Waning Gibbous
90.8% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 67°
- Moonset
- W
60°30°
Horizon
8:18 PM
9:48 AM
67°
Key figures
- Illuminated
- 90.8%
- Age
- 17.4 days
- Distance
- 405,200 km
- Apparent size
- 29.5′
- Constellation
- Cancer
- Lunation number
- 692
Events on this date
No Moon or planet events on this date.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 215.27° |
|---|---|
| Phase angle | 35.37° |
| Illuminated fraction | 90.77% |
| Altitude / azimuth | -20.8° / 314.5° |
| Right ascension / declination | 8h 08m / 16.21° |
| Ecliptic longitude / latitude | 120.68° / -3.89° |
| Libration in longitude / latitude | -0.01° / 5.89° |
| Sub-solar longitude / latitude | -34.96° / 1.58° |
| Position angle of the axis | 13.0° |
| Position angle of the bright limb | 108.7° |
| Apparent magnitude | -11.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.