The Moon on this date
Moon on Thursday, September 17, 1987
Waning Crescent
25.6% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 76°
- Moonset
- NW
60°30°
Horizon
1:31 AM
5:18 PM
76°
Key figures
- Illuminated
- 25.6%
- Age
- 24.2 days
- Distance
- 405,100 km
- Apparent size
- 29.5′
- Constellation
- Gemini
- Lunation number
- 800
Events on this date
-
Apogee
The Moon's farthest point from Earth on this orbit: 405,200 km.
Exact values
For Sep 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 299.43° |
|---|---|
| Phase angle | 119.18° |
| Illuminated fraction | 25.63% |
| Altitude / azimuth | 56.2° / 256.9° |
| Right ascension / declination | 7h 46m / 26.21° |
| Ecliptic longitude / latitude | 113.66° / 4.92° |
| Libration in longitude / latitude | 1.69° / -6.05° |
| Sub-solar longitude / latitude | -117.30° / 0.22° |
| Position angle of the axis | 9.5° |
| Position angle of the bright limb | 102.6° |
| Apparent magnitude | -8.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.