The Moon on this date
Moon on Saturday, January 31, 2139
Waxing Crescent
2.3% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 39°
- Moonset
- W
60°30°
Horizon
8:24 AM
7:36 PM
39°
Key figures
- Illuminated
- 2.3%
- Age
- 1.2 days
- Distance
- 359,200 km
- Apparent size
- 33.3′
- Constellation
- Capricornus
- Lunation number
- 2673
Events on this date
-
Mars, Mercury, and Moon gathered
All within 3.2° of each other in the sky.
-
Moon and Mars close together
They pass 2.2° apart in the sky.
-
Perigee
The Moon's closest point to Earth on this orbit: 359,200 km.
-
Moon and Mercury close together
They pass 1.3° apart in the sky.
Exact values
For Jan 31, 12:00 PM, midday on this date.
| Elongation from the Sun | 17.17° |
|---|---|
| Phase angle | 162.75° |
| Illuminated fraction | 2.25% |
| Altitude / azimuth | 32.3° / 146.9° |
| Right ascension / declination | 22h 01m / -10.78° |
| Ecliptic longitude / latitude | 328.58° / 1.26° |
| Libration in longitude / latitude | -0.23° / -0.75° |
| Sub-solar longitude / latitude | 162.49° / -0.11° |
| Position angle of the axis | 341.2° |
| Position angle of the bright limb | 248.4° |
| Apparent magnitude | -5.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.