The Moon on this date
Moon on Sunday, October 18, 1931
First Quarter
53.4% 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
2:30 PM
11:49 PM
25°
Key figures
- Illuminated
- 53.4%
- Age
- 7.2 days
- Distance
- 392,100 km
- Apparent size
- 30.5′
- Constellation
- Capricornus
- Lunation number
- 109
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
-
Mercury behind the Sun
On the far side of the Sun and lost in its glare.
Exact values
For Oct 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 93.73° |
|---|---|
| Phase angle | 86.14° |
| Illuminated fraction | 53.37% |
| Altitude / azimuth | -25.9° / 102.6° |
| Right ascension / declination | 20h 05m / -25.31° |
| Ecliptic longitude / latitude | 298.09° / -4.86° |
| Libration in longitude / latitude | 8.09° / 6.87° |
| Sub-solar longitude / latitude | 93.55° / -0.53° |
| Position angle of the axis | 348.4° |
| Position angle of the bright limb | 257.3° |
| Apparent magnitude | -10.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.