The Moon on this date
Moon on Friday, January 4, 1991
Waning Gibbous
80.1% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 57°
- Moonset
- W
60°30°
Horizon
10:15 PM
10:23 AM
57°
Key figures
- Illuminated
- 80.1%
- Age
- 18.5 days
- Distance
- 376,000 km
- Apparent size
- 31.8′
- Constellation
- Sextans
- Lunation number
- 841
Events on this date
-
Neptune behind the Sun
On the far side of the Sun and lost in its glare.
Exact values
For Jan 4, 12:00 PM, midday on this date.
| Elongation from the Sun | 233.10° |
|---|---|
| Phase angle | 53.06° |
| Illuminated fraction | 80.05% |
| Altitude / azimuth | -17.6° / 293.6° |
| Right ascension / declination | 10h 30m / 5.88° |
| Ecliptic longitude / latitude | 156.94° / -3.32° |
| Libration in longitude / latitude | 6.68° / 5.13° |
| Sub-solar longitude / latitude | -45.84° / -0.36° |
| Position angle of the axis | 20.3° |
| Position angle of the bright limb | 114.7° |
| Apparent magnitude | -11.4 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.