The Moon on this date
Moon on Sunday, May 17, 1987
Waning Gibbous
77.4% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 22°
- Moonset
- SW
60°30°
Horizon
12:51 AM
9:49 AM
22°
Key figures
- Illuminated
- 77.4%
- Age
- 19.6 days
- Distance
- 365,500 km
- Apparent size
- 32.7′
- Constellation
- Sagittarius
- Lunation number
- 796
Events on this date
No Moon or planet events on this date.
Exact values
For May 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 236.68° |
|---|---|
| Phase angle | 56.71° |
| Illuminated fraction | 77.44% |
| Altitude / azimuth | -21.5° / 252.6° |
| Right ascension / declination | 19h 43m / -26.44° |
| Ecliptic longitude / latitude | 292.91° / -5.02° |
| Libration in longitude / latitude | 1.10° / 6.89° |
| Sub-solar longitude / latitude | -54.67° / 1.12° |
| Position angle of the axis | 350.7° |
| Position angle of the bright limb | 84.0° |
| Apparent magnitude | -11.3 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.