The Moon on this date
Moon on Thursday, August 20, 1987
Waning Crescent
13.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 78°
- Moonset
- NW
60°30°
Horizon
2:41 AM
6:41 PM
78°
Key figures
- Illuminated
- 13.0%
- Age
- 25.8 days
- Distance
- 405,800 km
- Apparent size
- 29.4′
- Constellation
- Gemini
- Lunation number
- 799
Events on this date
-
Mercury behind the Sun
On the far side of the Sun and lost in its glare.
Exact values
For Aug 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 318.10° |
|---|---|
| Phase angle | 137.75° |
| Illuminated fraction | 12.99% |
| Altitude / azimuth | 70.2° / 236.4° |
| Right ascension / declination | 7h 09m / 27.60° |
| Ecliptic longitude / latitude | 105.20° / 5.06° |
| Libration in longitude / latitude | 2.31° / -6.37° |
| Sub-solar longitude / latitude | -135.51° / 0.94° |
| Position angle of the axis | 6.4° |
| Position angle of the bright limb | 102.0° |
| Apparent magnitude | -7.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.