The Moon on this date
Moon on Sunday, January 4, 1981
Waning Crescent
2.8% 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
6:12 AM
4:13 PM
30°
Key figures
- Illuminated
- 2.8%
- Age
- 28.1 days
- Distance
- 393,600 km
- Apparent size
- 30.3′
- Constellation
- Ophiuchus
- Lunation number
- 717
Events on this date
-
Moon and Venus close together
They pass 3.3° apart in the sky.
-
Moon, Neptune, and Venus gathered
All within 3.3° of each other in the sky.
-
Moon and Neptune close together
They pass 2.6° apart in the sky.
Exact values
For Jan 4, 12:00 PM, midday on this date.
| Elongation from the Sun | 341.15° |
|---|---|
| Phase angle | 160.75° |
| Illuminated fraction | 2.80% |
| Altitude / azimuth | 28.7° / 192.0° |
| Right ascension / declination | 17h 41m / -19.63° |
| Ecliptic longitude / latitude | 265.42° / 3.73° |
| Libration in longitude / latitude | -4.21° / -4.09° |
| Sub-solar longitude / latitude | -165.26° / 0.75° |
| Position angle of the axis | 0.9° |
| Position angle of the bright limb | 100.5° |
| Apparent magnitude | -5.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.