The Moon on this date
Moon on Thursday, September 17, 1981
Waning Gibbous
83.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 59°
- Moonset
- W
60°30°
Horizon
10:11 PM
11:05 AM
59°
Key figures
- Illuminated
- 83.5%
- Age
- 19.1 days
- Distance
- 365,800 km
- Apparent size
- 32.7′
- Constellation
- Cetus
- Lunation number
- 726
Events on this date
No Moon or planet events on this date.
Exact values
For Sep 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 227.81° |
|---|---|
| Phase angle | 47.90° |
| Illuminated fraction | 83.52% |
| Altitude / azimuth | -9.6° / 292.6° |
| Right ascension / declination | 2h 46m / 10.83° |
| Ecliptic longitude / latitude | 42.48° / -4.98° |
| Libration in longitude / latitude | -0.54° / 6.89° |
| Sub-solar longitude / latitude | -47.42° / 1.27° |
| Position angle of the axis | 342.7° |
| Position angle of the bright limb | 77.5° |
| Apparent magnitude | -11.5 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.