The Moon on this date
Moon on Tuesday, October 21, 1986
Waning Gibbous
86.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 75°
- Moonset
- NW
60°30°
Horizon
8:46 PM
11:45 AM
75°
Key figures
- Illuminated
- 86.3%
- Age
- 17.9 days
- Distance
- 403,700 km
- Apparent size
- 29.6′
- Constellation
- Taurus
- Lunation number
- 789
Events on this date
-
Mercury at greatest elongation
24° from the Sun in the evening sky, its best showing after sunset.
Exact values
For Oct 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 223.41° |
|---|---|
| Phase angle | 43.45° |
| Illuminated fraction | 86.30% |
| Altitude / azimuth | -2.3° / 307.3° |
| Right ascension / declination | 4h 37m / 26.18° |
| Ecliptic longitude / latitude | 71.37° / 4.08° |
| Libration in longitude / latitude | 0.33° / -4.73° |
| Sub-solar longitude / latitude | -42.20° / -0.24° |
| Position angle of the axis | 352.6° |
| Position angle of the bright limb | 77.8° |
| Apparent magnitude | -11.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.