The Moon on this date
Moon on Sunday, December 31, 1978
Waxing Crescent
5.4% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 34°
- Moonset
- W
60°30°
Horizon
9:12 AM
7:52 PM
34°
Key figures
- Illuminated
- 5.4%
- Age
- 1.9 days
- Distance
- 359,400 km
- Apparent size
- 33.2′
- Constellation
- Capricornus
- Lunation number
- 693
Events on this date
-
Mercury and Neptune close together
They pass 0.3° apart in the sky.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 26.69° |
|---|---|
| Phase angle | 153.03° |
| Illuminated fraction | 5.44% |
| Altitude / azimuth | 24.5° / 141.0° |
| Right ascension / declination | 20h 31m / -15.30° |
| Ecliptic longitude / latitude | 306.37° / 3.49° |
| Libration in longitude / latitude | 1.74° / -3.66° |
| Sub-solar longitude / latitude | 154.67° / 1.43° |
| Position angle of the axis | 344.6° |
| Position angle of the bright limb | 250.6° |
| Apparent magnitude | -6.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.