The Moon on this date
Moon on Sunday, July 31, 1988
Waning Gibbous
90.8% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 41°
- Moonset
- W
60°30°
Horizon
10:28 PM
9:25 AM
41°
Key figures
- Illuminated
- 90.8%
- Age
- 17.8 days
- Distance
- 360,800 km
- Apparent size
- 33.1′
- Constellation
- Aquarius
- Lunation number
- 811
Events on this date
No Moon or planet events on this date.
Exact values
For Jul 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 215.45° |
|---|---|
| Phase angle | 35.37° |
| Illuminated fraction | 90.77% |
| Altitude / azimuth | -28.1° / 286.1° |
| Right ascension / declination | 23h 01m / -6.29° |
| Ecliptic longitude / latitude | 344.10° / -0.03° |
| Libration in longitude / latitude | 1.51° / 0.40° |
| Sub-solar longitude / latitude | -33.03° / 0.92° |
| Position angle of the axis | 339.0° |
| Position angle of the bright limb | 67.9° |
| Apparent magnitude | -11.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.