The Moon on this date
Moon on Friday, August 21, 1981
Waning Gibbous
60.7% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- –
- Highest
- 60°
- Moonset
- W
60°30°
Horizon
1:16 PM
60°
Key figures
- Illuminated
- 60.7%
- Age
- 21.5 days
- Distance
- 369,700 km
- Apparent size
- 32.3′
- Constellation
- Aries
- Lunation number
- 725
Events on this date
-
Perigee
The Moon's closest point to Earth on this orbit: 369,600 km.
Exact values
For Aug 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 257.69° |
|---|---|
| Phase angle | 77.60° |
| Illuminated fraction | 60.73% |
| Altitude / azimuth | 13.0° / 273.9° |
| Right ascension / declination | 3h 01m / 11.84° |
| Ecliptic longitude / latitude | 46.19° / -5.05° |
| Libration in longitude / latitude | -1.08° / 6.87° |
| Sub-solar longitude / latitude | -77.80° / 0.73° |
| Position angle of the axis | 343.8° |
| Position angle of the bright limb | 74.7° |
| Apparent magnitude | -10.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.