The Moon on this date
Moon on Sunday, October 17, 1999
First Quarter
50.5% illuminated · waxing
Shown at midday from Columbus, US.
Rise, set and path
Times for Columbus, US
- Moonrise
- SE
- Highest
- 30°
- Moonset
- –
60°30°
Horizon
2:49 PM
30°
Key figures
- Illuminated
- 50.5%
- Age
- 8.2 days
- Distance
- 399,500 km
- Apparent size
- 29.9′
- Constellation
- Sagittarius
- Lunation number
- 950
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 Oct 17, 12:00 PM, midday on this date.
| Elongation from the Sun | 90.46° |
|---|---|
| Phase angle | 89.39° |
| Illuminated fraction | 50.53% |
| Altitude / azimuth | -30.6° / 91.5° |
| Right ascension / declination | 19h 44m / -19.92° |
| Ecliptic longitude / latitude | 294.30° / 1.36° |
| Libration in longitude / latitude | -4.22° / -1.21° |
| Sub-solar longitude / latitude | 84.58° / 1.49° |
| Position angle of the axis | 348.2° |
| Position angle of the bright limb | 259.7° |
| Apparent magnitude | -10.1 |
Directions are good to about a hundredth of a degree and the distance to about 50 km; more digits would not mean anything.