The Moon on this date
Moon on Thursday, September 23, 1999
Waxing Gibbous
96.1% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- –
- Moonset
- W
60°30°
Horizon
6:50 PM
5:07 AM
Key figures
- Illuminated
- 96.1%
- Age
- 13.7 days
- Distance
- 380,200 km
- Apparent size
- 31.4′
- Constellation
- Aquarius
- Lunation number
- 949
Events on this date
-
September equinox
Day and night are nearly equal. Autumn begins in the northern hemisphere and spring in the southern.
Exact values
For Sep 23, 12:00 PM, midday on this date.
| Elongation from the Sun | 157.12° |
|---|---|
| Phase angle | 22.92° |
| Illuminated fraction | 96.05% |
| Altitude / azimuth | -61.1° / 358.4° |
| Right ascension / declination | 22h 39m / -10.86° |
| Ecliptic longitude / latitude | 337.31° / -2.19° |
| Libration in longitude / latitude | -5.80° / 3.28° |
| Sub-solar longitude / latitude | 17.25° / 1.16° |
| Position angle of the axis | 336.7° |
| Position angle of the bright limb | 241.9° |
| Apparent magnitude | -12.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.