The Moon on this date
Moon on Tuesday, December 18, 1917
Waxing Crescent
22.4% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 40°
- Moonset
- W
60°30°
Horizon
10:53 AM
10:13 PM
40°
Key figures
- Illuminated
- 22.4%
- Age
- 4.3 days
- Distance
- 369,000 km
- Apparent size
- 32.4′
- Constellation
- Capricornus
- Lunation number
- -62
Events on this date
-
Moon and Uranus close together
They pass 4.7° apart in the sky.
-
Perigee
The Moon's closest point to Earth on this orbit: 369,000 km.
Exact values
For Dec 18, 12:00 PM, midday on this date.
| Elongation from the Sun | 56.31° |
|---|---|
| Phase angle | 123.47° |
| Illuminated fraction | 22.43% |
| Altitude / azimuth | 11.1° / 114.4° |
| Right ascension / declination | 21h 34m / -10.11° |
| Ecliptic longitude / latitude | 322.55° / 4.11° |
| Libration in longitude / latitude | -0.59° / -4.42° |
| Sub-solar longitude / latitude | 122.60° / -0.17° |
| Position angle of the axis | 342.1° |
| Position angle of the bright limb | 249.0° |
| Apparent magnitude | -8.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.