The Moon on this date
Moon on Thursday, January 31, 2171
Waning Crescent
20.1% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 25°
- Moonset
- SW
60°30°
Horizon
4:08 AM
1:29 PM
25°
Key figures
- Illuminated
- 20.1%
- Age
- 25.3 days
- Distance
- 376,400 km
- Apparent size
- 31.7′
- Constellation
- Ophiuchus
- Lunation number
- 3068
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 | 306.85° |
|---|---|
| Phase angle | 126.71° |
| Illuminated fraction | 20.11% |
| Altitude / azimuth | 11.8° / 221.6° |
| Right ascension / declination | 17h 09m / -24.76° |
| Ecliptic longitude / latitude | 258.49° / -1.85° |
| Libration in longitude / latitude | 3.34° / 3.28° |
| Sub-solar longitude / latitude | -122.86° / -1.48° |
| Position angle of the axis | 3.8° |
| Position angle of the bright limb | 93.3° |
| Apparent magnitude | -8.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.