The Moon on this date
Moon on Monday, April 20, 1981
Waning Gibbous
98.1% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 39°
- Moonset
- W
60°30°
Horizon
8:35 PM
6:48 AM
39°
Key figures
- Illuminated
- 98.1%
- Age
- 15.9 days
- Distance
- 406,300 km
- Apparent size
- 29.4′
- Constellation
- Libra
- Lunation number
- 721
Events on this date
-
Apogee
The Moon's farthest point from Earth on this orbit: 406,300 km.
Exact values
For Apr 20, 12:00 PM, midday on this date.
| Elongation from the Sun | 195.01° |
|---|---|
| Phase angle | 15.75° |
| Illuminated fraction | 98.12% |
| Altitude / azimuth | -55.1° / 316.6° |
| Right ascension / declination | 14h 58m / -11.77° |
| Ecliptic longitude / latitude | 225.54° / 4.94° |
| Libration in longitude / latitude | -0.89° / -6.01° |
| Sub-solar longitude / latitude | -15.75° / -1.58° |
| Position angle of the axis | 16.4° |
| Position angle of the bright limb | 90.3° |
| Apparent magnitude | -12.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.