The Moon on this date
Moon on Monday, August 21, 1978
Waning Gibbous
86.2% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 51°
- Moonset
- W
60°30°
Horizon
10:23 PM
10:26 AM
51°
Key figures
- Illuminated
- 86.2%
- Age
- 17.6 days
- Distance
- 374,600 km
- Apparent size
- 31.9′
- Constellation
- Pisces
- Lunation number
- 688
Events on this date
No Moon or planet events on this date.
Exact values
For Aug 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 223.71° |
|---|---|
| Phase angle | 43.63° |
| Illuminated fraction | 86.19% |
| Altitude / azimuth | -17.0° / 289.4° |
| Right ascension / declination | 0h 46m / 3.48° |
| Ecliptic longitude / latitude | 11.95° / -1.36° |
| Libration in longitude / latitude | 5.95° / 2.05° |
| Sub-solar longitude / latitude | -36.74° / -0.73° |
| Position angle of the axis | 335.5° |
| Position angle of the bright limb | 68.8° |
| Apparent magnitude | -11.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.