The Moon on this date
Moon on Friday, December 17, 2055
Waning Crescent
0.6% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 30°
- Moonset
- SW
60°30°
Horizon
6:47 AM
4:53 PM
30°
Key figures
- Illuminated
- 0.6%
- Age
- 28.9 days
- Distance
- 368,800 km
- Apparent size
- 32.4′
- Constellation
- Ophiuchus
- Lunation number
- 1644
Events on this date
-
Moon and Mars close together
They pass 3.9° apart in the sky.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 351.57° |
|---|---|
| Phase angle | 170.82° |
| Illuminated fraction | 0.64% |
| Altitude / azimuth | 29.9° / 181.9° |
| Right ascension / declination | 17h 06m / -19.24° |
| Ecliptic longitude / latitude | 257.30° / 3.60° |
| Libration in longitude / latitude | 3.98° / -3.81° |
| Sub-solar longitude / latitude | -167.68° / 0.89° |
| Position angle of the axis | 4.2° |
| Position angle of the bright limb | 113.4° |
| Apparent magnitude | -5.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.