The Moon on this date
Moon on Monday, May 17, 2021
Waxing Crescent
28.8% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 73°
- Moonset
- NW
60°30°
Horizon
10:40 AM
1:16 AM
73°
Key figures
- Illuminated
- 28.8%
- Age
- 5.9 days
- Distance
- 394,500 km
- Apparent size
- 30.3′
- Constellation
- Cancer
- Lunation number
- 1217
Events on this date
-
Mercury at greatest elongation
22° from the Sun in the evening sky, its best showing after sunset.
Exact values
For May 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 64.72° |
|---|---|
| Phase angle | 115.07° |
| Illuminated fraction | 28.81% |
| Altitude / azimuth | 12.5° / 70.0° |
| Right ascension / declination | 8h 20m / 23.78° |
| Ecliptic longitude / latitude | 121.70° / 4.11° |
| Libration in longitude / latitude | -6.24° / -4.92° |
| Sub-solar longitude / latitude | 108.16° / -0.42° |
| Position angle of the axis | 14.4° |
| Position angle of the bright limb | 281.8° |
| Apparent magnitude | -8.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.