The Moon on this date
Moon on Monday, January 17, 1977
Waning Crescent
4.9% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 30°
- Moonset
- SW
60°30°
Horizon
5:47 AM
3:56 PM
30°
Key figures
- Illuminated
- 4.9%
- Age
- 27.6 days
- Distance
- 367,400 km
- Apparent size
- 32.5′
- Constellation
- Sagittarius
- Lunation number
- 668
Events on this date
-
Moon and Mercury close together
They pass 1.8° apart in the sky.
-
Mars, Mercury, and Moon gathered
All within 6.8° of each other in the sky.
Exact values
For Jan 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 334.90° |
|---|---|
| Phase angle | 154.47° |
| Illuminated fraction | 4.88% |
| Altitude / azimuth | 28.3° / 197.9° |
| Right ascension / declination | 18h 10m / -18.95° |
| Ecliptic longitude / latitude | 272.40° / 4.47° |
| Libration in longitude / latitude | 1.95° / -5.00° |
| Sub-solar longitude / latitude | -152.62° / 1.51° |
| Position angle of the axis | 359.8° |
| Position angle of the bright limb | 96.7° |
| Apparent magnitude | -6.6 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.