The Moon on this date
Moon on Monday, September 17, 1990
Waning Crescent
2.1% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 55°
- Moonset
- W
60°30°
Horizon
5:45 AM
6:48 PM
55°
Key figures
- Illuminated
- 2.1%
- Age
- 28.1 days
- Distance
- 385,100 km
- Apparent size
- 31.0′
- Constellation
- Sextans
- Lunation number
- 837
Events on this date
-
Moon and Mercury close together
They pass 2.1° apart in the sky.
-
Mercury, Moon, and Venus gathered
All within 4.4° of each other in the sky.
-
Moon and Venus close together
They pass 4.4° apart in the sky.
Exact values
For Sep 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 343.57° |
|---|---|
| Phase angle | 163.32° |
| Illuminated fraction | 2.10% |
| Altitude / azimuth | 55.2° / 170.4° |
| Right ascension / declination | 10h 35m / 6.04° |
| Ecliptic longitude / latitude | 158.08° / -2.69° |
| Libration in longitude / latitude | 5.28° / 4.04° |
| Sub-solar longitude / latitude | -158.45° / -1.19° |
| Position angle of the axis | 20.5° |
| Position angle of the bright limb | 101.0° |
| Apparent magnitude | -5.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.