The Moon on this date
Moon on Wednesday, January 21, 1987
Waning Gibbous
63.2% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- –
- Highest
- 45°
- Moonset
- W
60°30°
Horizon
11:05 AM
45°
Key figures
- Illuminated
- 63.2%
- Age
- 21.6 days
- Distance
- 384,800 km
- Apparent size
- 31.0′
- Constellation
- Virgo
- Lunation number
- 792
Events on this date
No Moon or planet events on this date.
Exact values
For Jan 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 254.85° |
|---|---|
| Phase angle | 74.70° |
| Illuminated fraction | 63.19% |
| Altitude / azimuth | -10.5° / 270.1° |
| Right ascension / declination | 12h 59m / -6.41° |
| Ecliptic longitude / latitude | 195.97° / -0.14° |
| Libration in longitude / latitude | -7.58° / 0.93° |
| Sub-solar longitude / latitude | -81.82° / -1.49° |
| Position angle of the axis | 21.2° |
| Position angle of the bright limb | 113.0° |
| Apparent magnitude | -10.7 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.