The Moon on this date
Moon on Tuesday, September 12, 2017
Waning Gibbous
57.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- –
- Highest
- 66°
- Moonset
- NW
60°30°
Horizon
1:54 PM
66°
Key figures
- Illuminated
- 57.0%
- Age
- 21.9 days
- Distance
- 370,100 km
- Apparent size
- 32.3′
- Constellation
- Taurus
- Lunation number
- 1171
Events on this date
-
Mercury at greatest elongation
18° from the Sun in the morning sky, its best showing before sunrise.
Exact values
For Sep 12, 12:00 PM, midday on this date.
| Elongation from the Sun | 262.05° |
|---|---|
| Phase angle | 81.94° |
| Illuminated fraction | 57.01% |
| Altitude / azimuth | 19.6° / 275.9° |
| Right ascension / declination | 4h 45m / 17.31° |
| Ecliptic longitude / latitude | 72.13° / -4.97° |
| Libration in longitude / latitude | -1.36° / 6.86° |
| Sub-solar longitude / latitude | -82.53° / 0.71° |
| Position angle of the axis | 352.8° |
| Position angle of the bright limb | 83.2° |
| Apparent magnitude | -10.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.