The Moon on this date
Moon on Monday, August 10, 1981
Waxing Gibbous
76.0% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 29°
- Moonset
- SW
60°30°
Horizon
4:50 PM
2:04 AM
29°
Key figures
- Illuminated
- 76.0%
- Age
- 10.5 days
- Distance
- 401,300 km
- Apparent size
- 29.8′
- Constellation
- Ophiuchus
- Lunation number
- 725
Events on this date
-
Mercury behind the Sun
On the far side of the Sun and lost in its glare.
-
Moon and Neptune close together
They pass 2.0° apart in the sky.
Exact values
For Aug 10, 12:00 PM, midday on this date.
| Elongation from the Sun | 121.30° |
|---|---|
| Phase angle | 58.63° |
| Illuminated fraction | 76.03% |
| Altitude / azimuth | -52.3° / 68.5° |
| Right ascension / declination | 17h 14m / -19.46° |
| Ecliptic longitude / latitude | 259.23° / 3.56° |
| Libration in longitude / latitude | -1.73° / -4.28° |
| Sub-solar longitude / latitude | 56.30° / 0.43° |
| Position angle of the axis | 3.2° |
| Position angle of the bright limb | 276.3° |
| Apparent magnitude | -11.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.