The Moon on this date
Moon on Sunday, August 21, 2011
Last Quarter
52.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- –
- Highest
- 71°
- Moonset
- NW
60°30°
Horizon
2:25 PM
71°
Key figures
- Illuminated
- 52.5%
- Age
- 21.9 days
- Distance
- 399,900 km
- Apparent size
- 29.9′
- Constellation
- Aries
- Lunation number
- 1096
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
Exact values
For Aug 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 267.26° |
|---|---|
| Phase angle | 87.11° |
| Illuminated fraction | 52.52% |
| Altitude / azimuth | 24.7° / 277.2° |
| Right ascension / declination | 3h 31m / 21.25° |
| Ecliptic longitude / latitude | 55.52° / 2.18° |
| Libration in longitude / latitude | -5.40° / -2.57° |
| Sub-solar longitude / latitude | -91.79° / -1.44° |
| Position angle of the axis | 344.4° |
| Position angle of the bright limb | 75.7° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.