The Moon on this date
Moon on Thursday, September 17, 2122
Waning Gibbous
97.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 57°
- Moonset
- W
60°30°
Horizon
8:05 PM
8:47 AM
57°
Key figures
- Illuminated
- 97.3%
- Age
- 16.7 days
- Distance
- 360,800 km
- Apparent size
- 33.1′
- Constellation
- Pisces
- Lunation number
- 2470
Events on this date
-
Mercury at greatest elongation
18° from the Sun in the morning sky, its best showing before sunrise.
-
Perigee
The Moon's closest point to Earth on this orbit: 360,700 km.
Exact values
For Sep 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 198.18° |
|---|---|
| Phase angle | 18.77° |
| Illuminated fraction | 97.34% |
| Altitude / azimuth | -30.5° / 317.4° |
| Right ascension / declination | 0h 39m / 9.57° |
| Ecliptic longitude / latitude | 12.75° / 4.92° |
| Libration in longitude / latitude | -1.38° / -5.92° |
| Sub-solar longitude / latitude | -18.84° / -1.51° |
| Position angle of the axis | 336.6° |
| Position angle of the bright limb | 53.1° |
| Apparent magnitude | -12.4 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.