The Moon on this date
Moon on Saturday, January 31, 1987
Waxing Crescent
6.5% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 40°
- Moonset
- W
60°30°
Horizon
9:15 AM
8:33 PM
40°
Key figures
- Illuminated
- 6.5%
- Age
- 2.1 days
- Distance
- 368,000 km
- Apparent size
- 32.5′
- Constellation
- Aquarius
- Lunation number
- 793
Events on this date
-
Venus and Uranus close together
They pass 3.1° apart in the sky.
-
Saturn, Uranus, and Venus gathered
All within 7.0° of each other in the sky.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 29.34° |
|---|---|
| Phase angle | 150.47° |
| Illuminated fraction | 6.50% |
| Altitude / azimuth | 26.4° / 133.6° |
| Right ascension / declination | 22h 53m / -10.12° |
| Ecliptic longitude / latitude | 340.63° / -2.75° |
| Libration in longitude / latitude | 6.07° / 4.45° |
| Sub-solar longitude / latitude | 156.38° / -1.35° |
| Position angle of the axis | 338.8° |
| Position angle of the bright limb | 253.9° |
| Apparent magnitude | -6.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.