The Moon on this date
Moon on Sunday, May 10, 1981
First Quarter
47.4% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 65°
- Moonset
- NW
60°30°
Horizon
12:40 PM
2:18 AM
65°
Key figures
- Illuminated
- 47.4%
- Age
- 6.5 days
- Distance
- 385,400 km
- Apparent size
- 31.0′
- Constellation
- Cancer
- Lunation number
- 722
Events on this date
-
First Quarter
Half of the disc is lit. The Moon is high at sunset and sets around midnight.
Exact values
For May 10, 12:00 PM, midday on this date.
| Elongation from the Sun | 86.82° |
|---|---|
| Phase angle | 93.03° |
| Illuminated fraction | 47.36% |
| Altitude / azimuth | -6.9° / 61.6° |
| Right ascension / declination | 9h 18m / 16.81° |
| Ecliptic longitude / latitude | 136.72° / 1.04° |
| Libration in longitude / latitude | 8.26° / -0.96° |
| Sub-solar longitude / latitude | 100.48° / -1.49° |
| Position angle of the axis | 19.3° |
| Position angle of the bright limb | 287.8° |
| Apparent magnitude | -10.0 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.