The Moon on this date
Moon on Saturday, January 17, 2004
Waning Crescent
22.9% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 29°
- Moonset
- SW
60°30°
Horizon
3:26 AM
1:21 PM
29°
Key figures
- Illuminated
- 22.9%
- Age
- 25.3 days
- Distance
- 365,700 km
- Apparent size
- 32.7′
- Constellation
- Libra
- Lunation number
- 1002
Events on this date
-
Mercury at greatest elongation
24° from the Sun in the morning sky, its best showing before sunrise.
Exact values
For Jan 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 302.90° |
|---|---|
| Phase angle | 122.78° |
| Illuminated fraction | 22.93% |
| Altitude / azimuth | 11.7° / 228.0° |
| Right ascension / declination | 15h 50m / -21.13° |
| Ecliptic longitude / latitude | 239.82° / -1.05° |
| Libration in longitude / latitude | -3.27° / 2.25° |
| Sub-solar longitude / latitude | -125.59° / -1.43° |
| Position angle of the axis | 11.1° |
| Position angle of the bright limb | 101.4° |
| Apparent magnitude | -8.8 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.