The Moon on this date
Moon on Sunday, August 17, 2031
Waning Crescent
0.4% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 60°
- Moonset
- W
60°30°
Horizon
6:18 AM
7:51 PM
60°
Key figures
- Illuminated
- 0.4%
- Age
- 29.1 days
- Distance
- 403,000 km
- Apparent size
- 29.6′
- Constellation
- Cancer
- Lunation number
- 1343
Events on this date
-
Moon and Venus close together
They pass 3.0° apart in the sky.
-
Moon and Mercury close together
They pass 1.1° apart in the sky.
Exact values
For Aug 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 354.17° |
|---|---|
| Phase angle | 172.32° |
| Illuminated fraction | 0.45% |
| Altitude / azimuth | 56.5° / 148.6° |
| Right ascension / declination | 9h 18m / 10.46° |
| Ecliptic longitude / latitude | 138.74° / -4.98° |
| Libration in longitude / latitude | -2.00° / 6.92° |
| Sub-solar longitude / latitude | -176.48° / -1.56° |
| Position angle of the axis | 17.6° |
| Position angle of the bright limb | 63.7° |
| Apparent magnitude | -4.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.