The Moon on this date
Moon on Saturday, January 17, 1903
Waning Gibbous
77.8% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 52°
- Moonset
- W
60°30°
Horizon
10:44 PM
10:17 AM
52°
Key figures
- Illuminated
- 77.8%
- Age
- 18.8 days
- Distance
- 374,700 km
- Apparent size
- 31.9′
- Constellation
- Leo
- Lunation number
- -247
Events on this date
-
Mercury at greatest elongation
19° from the Sun in the evening sky, its best showing after sunset.
Exact values
For Jan 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 236.30° |
|---|---|
| Phase angle | 56.21° |
| Illuminated fraction | 77.81% |
| Altitude / azimuth | -19.2° / 287.6° |
| Right ascension / declination | 11h 30m / 0.78° |
| Ecliptic longitude / latitude | 172.73° / -2.29° |
| Libration in longitude / latitude | 7.11° / 3.82° |
| Sub-solar longitude / latitude | -48.78° / 1.52° |
| Position angle of the axis | 24.6° |
| Position angle of the bright limb | 115.3° |
| 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.