The Moon on this date
Moon on Saturday, August 17, 2143
First Quarter
50.6% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 30°
- Moonset
- –
60°30°
Horizon
2:32 PM
30°
Key figures
- Illuminated
- 50.6%
- Age
- 6.7 days
- Distance
- 379,200 km
- Apparent size
- 31.5′
- Constellation
- Libra
- Lunation number
- 2729
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For Aug 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 90.51° |
|---|---|
| Phase angle | 89.35° |
| Illuminated fraction | 50.57% |
| Altitude / azimuth | -27.3° / 92.0° |
| Right ascension / declination | 15h 31m / -18.32° |
| Ecliptic longitude / latitude | 235.02° / 0.71° |
| Libration in longitude / latitude | 7.85° / -0.65° |
| Sub-solar longitude / latitude | 96.42° / -1.51° |
| Position angle of the axis | 15.2° |
| Position angle of the bright limb | 283.7° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.