The Moon on this date
Moon on Monday, January 31, 1977
Waxing Gibbous
87.8% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 68°
- Moonset
- NW
60°30°
Horizon
2:52 PM
4:44 AM
68°
Key figures
- Illuminated
- 87.8%
- Age
- 12.1 days
- Distance
- 397,400 km
- Apparent size
- 30.1′
- Constellation
- Orion
- Lunation number
- 669
Events on this date
No Moon or planet events on this date.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 139.13° |
|---|---|
| Phase angle | 40.97° |
| Illuminated fraction | 87.75% |
| Altitude / azimuth | -24.4° / 33.2° |
| Right ascension / declination | 6h 04m / 18.95° |
| Ecliptic longitude / latitude | 90.86° / -4.49° |
| Libration in longitude / latitude | -3.49° / 6.62° |
| Sub-solar longitude / latitude | 36.98° / 1.53° |
| Position angle of the axis | 359.8° |
| Position angle of the bright limb | 264.4° |
| Apparent magnitude | -11.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.