The Moon on this date
Moon on Thursday, January 17, 1991
Waxing Crescent
2.8% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 35°
- Moonset
- W
60°30°
Horizon
8:45 AM
7:27 PM
35°
Key figures
- Illuminated
- 2.8%
- Age
- 1.7 days
- Distance
- 396,800 km
- Apparent size
- 30.1′
- Constellation
- Capricornus
- Lunation number
- 842
Events on this date
-
Moon and Venus close together
They pass 3.1° apart in the sky.
Exact values
For Jan 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 19.21° |
|---|---|
| Phase angle | 160.67° |
| Illuminated fraction | 2.82% |
| Altitude / azimuth | 28.3° / 146.8° |
| Right ascension / declination | 21h 13m / -14.37° |
| Ecliptic longitude / latitude | 316.29° / 1.66° |
| Libration in longitude / latitude | -4.72° / -1.32° |
| Sub-solar longitude / latitude | 155.93° / -0.06° |
| Position angle of the axis | 344.1° |
| Position angle of the bright limb | 250.2° |
| Apparent magnitude | -5.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.