The Moon on this date
Moon on Tuesday, August 20, 1991
Waxing Gibbous
80.8% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 25°
- Moonset
- SW
60°30°
Horizon
5:40 PM
2:08 AM
25°
Key figures
- Illuminated
- 80.8%
- Age
- 10.6 days
- Distance
- 405,100 km
- Apparent size
- 29.5′
- Constellation
- Sagittarius
- Lunation number
- 849
Events on this date
-
Apogee
The Moon's farthest point from Earth on this orbit: 405,100 km.
-
Moon and Uranus close together
They pass 0.4° apart in the sky.
-
Moon, Neptune, and Uranus gathered
All within 4.3° of each other in the sky.
Exact values
For Aug 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 127.98° |
|---|---|
| Phase angle | 51.91° |
| Illuminated fraction | 80.84% |
| Altitude / azimuth | -60.9° / 67.4° |
| Right ascension / declination | 18h 23m / -24.54° |
| Ecliptic longitude / latitude | 275.12° / -1.20° |
| Libration in longitude / latitude | 2.05° / 1.80° |
| Sub-solar longitude / latitude | 53.56° / -1.00° |
| Position angle of the axis | 359.1° |
| Position angle of the bright limb | 266.4° |
| Apparent magnitude | -11.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.