The Moon on this date
Moon on Sunday, October 18, 1981
Waning Gibbous
66.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 71°
- Moonset
- NW
60°30°
Horizon
11:19 PM
1:29 PM
71°
Key figures
- Illuminated
- 66.5%
- Age
- 20.5 days
- Distance
- 369,400 km
- Apparent size
- 32.3′
- Constellation
- Gemini
- Lunation number
- 727
Events on this date
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
Exact values
For Oct 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 250.82° |
|---|---|
| Phase angle | 70.69° |
| Illuminated fraction | 66.53% |
| Altitude / azimuth | 14.5° / 285.4° |
| Right ascension / declination | 6h 26m / 21.48° |
| Ecliptic longitude / latitude | 96.01° / -1.83° |
| Libration in longitude / latitude | 4.70° / 2.99° |
| Sub-solar longitude / latitude | -65.32° / 1.52° |
| Position angle of the axis | 3.7° |
| Position angle of the bright limb | 93.1° |
| Apparent magnitude | -10.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.