The Moon on this date
Moon on Saturday, January 21, 1978
Waxing Gibbous
93.7% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- NE
- Highest
- 68°
- Moonset
- NW
60°30°
Horizon
3:42 PM
5:32 AM
68°
Key figures
- Illuminated
- 93.7%
- Age
- 12.5 days
- Distance
- 405,900 km
- Apparent size
- 29.4′
- Constellation
- Orion
- Lunation number
- 681
Events on this date
-
Moon and Jupiter close together
They pass 4.8° apart in the sky.
-
Mars at opposition
Opposite the Sun in the sky: up all night and at its brightest for the year.
Exact values
For Jan 21, 12:00 PM, midday on this date.
| Elongation from the Sun | 151.24° |
|---|---|
| Phase angle | 29.08° |
| Illuminated fraction | 93.70% |
| Altitude / azimuth | -29.1° / 21.7° |
| Right ascension / declination | 6h 11m / 18.41° |
| Ecliptic longitude / latitude | 92.55° / -5.00° |
| Libration in longitude / latitude | 0.52° / 7.31° |
| Sub-solar longitude / latitude | 28.98° / 1.48° |
| Position angle of the axis | 1.0° |
| Position angle of the bright limb | 260.7° |
| Apparent magnitude | -11.9 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.