The Moon on this date
Moon on Monday, July 17, 1978
Waxing Gibbous
90.8% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 31°
- Moonset
- SW
60°30°
Horizon
6:29 PM
3:45 AM
31°
Key figures
- Illuminated
- 90.8%
- Age
- 12.3 days
- Distance
- 361,700 km
- Apparent size
- 33.0′
- Constellation
- Ophiuchus
- Lunation number
- 687
Events on this date
-
Moon and Neptune close together
They pass 3.5° apart in the sky.
Exact values
For Jul 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 144.92° |
|---|---|
| Phase angle | 35.31° |
| Illuminated fraction | 90.80% |
| Altitude / azimuth | -65.6° / 30.9° |
| Right ascension / declination | 17h 17m / -18.06° |
| Ecliptic longitude / latitude | 259.63° / 4.99° |
| Libration in longitude / latitude | -4.12° / -6.12° |
| Sub-solar longitude / latitude | 30.71° / -1.39° |
| Position angle of the axis | 4.5° |
| Position angle of the bright limb | 280.9° |
| 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.