The Moon on this date
Moon on Monday, December 17, 2091
First Quarter
49.9% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 46°
- Moonset
- –
60°30°
Horizon
12:49 PM
46°
Key figures
- Illuminated
- 49.9%
- Age
- 7.1 days
- Distance
- 397,400 km
- Apparent size
- 30.1′
- Constellation
- Aquarius
- Lunation number
- 2090
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For Dec 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 89.77° |
|---|---|
| Phase angle | 90.07° |
| Illuminated fraction | 49.94% |
| Altitude / azimuth | -9.5° / 87.6° |
| Right ascension / declination | 23h 49m / -4.06° |
| Ecliptic longitude / latitude | 355.77° / -2.59° |
| Libration in longitude / latitude | 6.21° / 4.19° |
| Sub-solar longitude / latitude | 95.96° / 1.35° |
| Position angle of the axis | 335.2° |
| Position angle of the bright limb | 246.5° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.