The Moon on this date
Moon on Sunday, May 13, 1917
Last Quarter
54.3% illuminated · waning
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- E
- Highest
- 35°
- Moonset
- W
60°30°
Horizon
12:54 AM
11:39 AM
35°
Key figures
- Illuminated
- 54.3%
- Age
- 22.1 days
- Distance
- 369,800 km
- Apparent size
- 32.3′
- Constellation
- Aquarius
- Lunation number
- -70
Events on this date
-
Perigee
The Moon's closest point to Earth on this orbit: 369,800 km.
-
Mercury and Venus close together
They pass 0.4° apart in the sky.
-
Jupiter, Mercury, and Venus gathered
All within 7.8° of each other in the sky.
-
Last Quarter
Half of the disc is lit. The Moon rises around midnight and is up through the morning.
-
Moon and Uranus close together
They pass 4.1° apart in the sky.
Exact values
For May 13, 12:00 PM, midday on this date.
| Elongation from the Sun | 265.16° |
|---|---|
| Phase angle | 85.03° |
| Illuminated fraction | 54.34% |
| Altitude / azimuth | -3.9° / 256.3° |
| Right ascension / declination | 21h 16m / -12.74° |
| Ecliptic longitude / latitude | 317.50° / 3.00° |
| Libration in longitude / latitude | -1.38° / -3.44° |
| Sub-solar longitude / latitude | -85.42° / 1.17° |
| Position angle of the axis | 344.0° |
| Position angle of the bright limb | 72.5° |
| Apparent magnitude | -10.4 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.