The Moon on this date
Moon on Thursday, January 17, 2171
Waxing Gibbous
81.1% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 73°
- Moonset
- NW
60°30°
Horizon
1:43 PM
3:56 AM
73°
Key figures
- Illuminated
- 81.1%
- Age
- 11.3 days
- Distance
- 396,300 km
- Apparent size
- 30.1′
- Constellation
- Taurus
- Lunation number
- 3068
Events on this date
-
Mars and Neptune close together
They pass 0.9° apart in the sky.
Exact values
For Jan 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 128.40° |
|---|---|
| Phase angle | 51.49° |
| Illuminated fraction | 81.13% |
| Altitude / azimuth | -15.5° / 43.0° |
| Right ascension / declination | 4h 15m / 21.91° |
| Ecliptic longitude / latitude | 65.80° / 0.67° |
| Libration in longitude / latitude | -3.98° / -0.10° |
| Sub-solar longitude / latitude | 47.12° / -1.34° |
| Position angle of the axis | 351.6° |
| Position angle of the bright limb | 260.0° |
| Apparent magnitude | -11.3 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.