The Moon on this date
Moon on Sunday, September 4, 2011
First Quarter
49.4% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 26°
- Moonset
- –
60°30°
Horizon
2:45 PM
26°
Key figures
- Illuminated
- 49.4%
- Age
- 6.5 days
- Distance
- 375,500 km
- Apparent size
- 31.8′
- Constellation
- Ophiuchus
- Lunation number
- 1097
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For Sep 4, 12:00 PM, midday on this date.
| Elongation from the Sun | 89.12° |
|---|---|
| Phase angle | 90.74° |
| Illuminated fraction | 49.36% |
| Altitude / azimuth | -28.9° / 97.0° |
| Right ascension / declination | 16h 37m / -22.84° |
| Ecliptic longitude / latitude | 250.91° / -0.77° |
| Libration in longitude / latitude | 7.05° / 1.32° |
| Sub-solar longitude / latitude | 96.98° / -1.51° |
| Position angle of the axis | 9.3° |
| Position angle of the bright limb | 277.8° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.