The Moon on this date
Moon on Friday, July 31, 1998
First Quarter
51.7% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 38°
- Moonset
- W
60°30°
Horizon
2:12 PM
12:43 AM
38°
Key figures
- Illuminated
- 51.7%
- Age
- 8.1 days
- Distance
- 403,400 km
- Apparent size
- 29.6′
- Constellation
- Libra
- Lunation number
- 935
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 Jul 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 91.78° |
|---|---|
| Phase angle | 88.07° |
| Illuminated fraction | 51.68% |
| Altitude / azimuth | -24.5° / 82.9° |
| Right ascension / declination | 14h 37m / -10.19° |
| Ecliptic longitude / latitude | 220.03° / 4.88° |
| Libration in longitude / latitude | -1.21° / -6.05° |
| Sub-solar longitude / latitude | 86.14° / -0.66° |
| Position angle of the axis | 18.4° |
| Position angle of the bright limb | 288.0° |
| 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.