The Moon on this date
Moon on Thursday, December 17, 2054
Waning Gibbous
90.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 68°
- Moonset
- NW
60°30°
Horizon
8:22 PM
10:01 AM
68°
Key figures
- Illuminated
- 90.3%
- Age
- 18.4 days
- Distance
- 368,100 km
- Apparent size
- 32.4′
- Constellation
- Cancer
- Lunation number
- 1632
Events on this date
-
Mars at opposition
Opposite the Sun in the sky: up all night and at its brightest for the year.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 216.37° |
|---|---|
| Phase angle | 36.31° |
| Illuminated fraction | 90.29% |
| Altitude / azimuth | -18.5° / 314.3° |
| Right ascension / declination | 8h 17m / 18.07° |
| Ecliptic longitude / latitude | 122.34° / -1.60° |
| Libration in longitude / latitude | -2.00° / 3.00° |
| Sub-solar longitude / latitude | -37.99° / 1.28° |
| Position angle of the axis | 14.2° |
| Position angle of the bright limb | 106.1° |
| Apparent magnitude | -11.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.