The Moon on this date
Moon on Saturday, October 17, 2139
Waning Crescent
23.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 61°
- Moonset
- W
60°30°
Horizon
2:41 AM
4:20 PM
61°
Key figures
- Illuminated
- 23.3%
- Age
- 24.4 days
- Distance
- 401,300 km
- Apparent size
- 29.8′
- Constellation
- Leo
- Lunation number
- 2681
Events on this date
-
Mercury at inferior conjunction
Passes between Earth and the Sun and is lost in its glare.
-
Moon and Mars close together
They pass 3.8° apart in the sky.
Exact values
For Oct 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 302.49° |
|---|---|
| Phase angle | 122.34° |
| Illuminated fraction | 23.26% |
| Altitude / azimuth | 46.9° / 236.3° |
| Right ascension / declination | 9h 52m / 10.75° |
| Ecliptic longitude / latitude | 146.42° / -2.07° |
| Libration in longitude / latitude | 5.15° / 3.33° |
| Sub-solar longitude / latitude | -116.92° / -1.54° |
| Position angle of the axis | 18.2° |
| Position angle of the bright limb | 107.9° |
| Apparent magnitude | -8.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.