The Moon on this date
Moon on Friday, January 23, 1981
Waning Gibbous
88.0% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 60°
- Moonset
- W
60°30°
Horizon
9:19 PM
9:53 AM
60°
Key figures
- Illuminated
- 88.0%
- Age
- 17.4 days
- Distance
- 394,400 km
- Apparent size
- 30.3′
- Constellation
- Leo
- Lunation number
- 718
Events on this date
-
Mercury and Mars close together
They pass 0.3° apart in the sky.
Exact values
For Jan 23, 12:00 PM, midday on this date.
| Elongation from the Sun | 220.58° |
|---|---|
| Phase angle | 40.57° |
| Illuminated fraction | 87.98% |
| Altitude / azimuth | -22.1° / 303.5° |
| Right ascension / declination | 11h 06m / 8.90° |
| Ecliptic longitude / latitude | 164.21° / 2.91° |
| Libration in longitude / latitude | 3.95° / -2.97° |
| Sub-solar longitude / latitude | -36.22° / 0.16° |
| Position angle of the axis | 24.0° |
| Position angle of the bright limb | 110.3° |
| 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.