The Moon on this date
Moon on Wednesday, May 17, 2017
Waning Gibbous
63.6% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 33°
- Moonset
- W
60°30°
Horizon
1:22 AM
11:46 AM
33°
Key figures
- Illuminated
- 63.6%
- Age
- 21.2 days
- Distance
- 395,900 km
- Apparent size
- 30.2′
- Constellation
- Capricornus
- Lunation number
- 1167
Events on this date
-
Mercury at greatest elongation
26° from the Sun in the morning sky, its best showing before sunrise.
Exact values
For May 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 254.34° |
|---|---|
| Phase angle | 74.20° |
| Illuminated fraction | 63.61% |
| Altitude / azimuth | -2.5° / 251.0° |
| Right ascension / declination | 20h 53m / -15.93° |
| Ecliptic longitude / latitude | 311.28° / 1.52° |
| Libration in longitude / latitude | -7.48° / -1.65° |
| Sub-solar longitude / latitude | -80.89° / -1.55° |
| Position angle of the axis | 342.9° |
| Position angle of the bright limb | 74.1° |
| Apparent magnitude | -10.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.