The Moon on this date
Moon on Monday, October 23, 1978
Last Quarter
53.5% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- –
- Highest
- 67°
- Moonset
- W
60°30°
Horizon
2:14 PM
67°
Key figures
- Illuminated
- 53.5%
- Age
- 21.4 days
- Distance
- 404,200 km
- Apparent size
- 29.6′
- Constellation
- Gemini
- Lunation number
- 690
Events on this date
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Apogee
The Moon's farthest point from Earth on this orbit: 404,300 km.
Exact values
For Oct 23, 12:00 PM, midday on this date.
| Elongation from the Sun | 266.12° |
|---|---|
| Phase angle | 85.98° |
| Illuminated fraction | 53.51% |
| Altitude / azimuth | 23.7° / 271.5° |
| Right ascension / declination | 7h 49m / 16.50° |
| Ecliptic longitude / latitude | 116.02° / -4.52° |
| Libration in longitude / latitude | 0.34° / 6.49° |
| Sub-solar longitude / latitude | -85.16° / 0.91° |
| Position angle of the axis | 11.0° |
| Position angle of the bright limb | 100.6° |
| Apparent magnitude | -10.2 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.