The Moon on this date
Moon on Saturday, December 31, 1977
Waning Gibbous
68.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 53°
- Moonset
- W
60°30°
Horizon
11:25 PM
11:14 AM
53°
Key figures
- Illuminated
- 68.3%
- Age
- 21.0 days
- Distance
- 391,100 km
- Apparent size
- 30.5′
- Constellation
- Leo
- Lunation number
- 680
Events on this date
No Moon or planet events on this date.
Exact values
For Dec 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 248.64° |
|---|---|
| Phase angle | 68.51° |
| Illuminated fraction | 68.32% |
| Altitude / azimuth | -8.6° / 280.7° |
| Right ascension / declination | 11h 15m / 2.80° |
| Ecliptic longitude / latitude | 168.56° / -1.87° |
| Libration in longitude / latitude | -7.32° / 3.32° |
| Sub-solar longitude / latitude | -75.50° / 1.55° |
| Position angle of the axis | 24.3° |
| Position angle of the bright limb | 114.0° |
| Apparent magnitude | -10.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.