Crescent ♒ Aquarius
Moon phase on 21 December 2017 Thursday is Waxing Crescent, 3 days young Moon is in Aquarius.Share this page: twitter facebook linkedin
Previous main lunar phase is the New Moon before 3 days on 18 December 2017 at 06:31.
Moon rises in the morning and sets in the evening. It is visible toward the southwest in early evening.
Moon is passing about ∠5° of ♒ Aquarius tropical zodiac sector.
Lunar disc appears visually 9.1% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1781" and ∠1951".
Next Full Moon is the Wolf Moon of January 2018 after 11 days on 2 January 2018 at 02:24.
There is low ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at big angle, so their combined tidal force is weak.
The Moon is 3 days young. Earth's natural satellite is moving from the beginning to the first part of current synodic month. This is lunation 222 of Meeus index or 1175 from Brown series.
Length of current 222 lunation is 29 days, 19 hours and 47 minutes. This is the year's longest synodic month of 2017. It is 59 minutes longer than next lunation 223 length.
Length of current synodic month is 7 hours and 3 minutes longer than the mean length of synodic month and it is the longest synodic month length of a for 21st century.
This lunation true anomaly is ∠173.3°. At the beginning of next synodic month true anomaly will be ∠198.1°. The length of upcoming synodic months will keep decreasing since the true anomaly gets closer to the value of New Moon at point of perigee (∠0° or ∠360°).
2 days after point of apogee on 19 December 2017 at 01:27 in ♑ Capricorn. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 11 days, until it get to the point of next perigee on 1 January 2018 at 21:54 in ♋ Cancer.
Moon is 402 491 km (250 096 mi) away from Earth on this date. Moon moves closer next 11 days until perigee, when Earth-Moon distance will reach 356 566 km (221 560 mi).
13 days after its ascending node on 8 December 2017 at 00:39 in ♌ Leo, the Moon is following the northern part of its orbit for the next day, until it will cross the ecliptic from North to South in descending node on 22 December 2017 at 10:04 in ♒ Aquarius.
13 days after beginning of current draconic month in ♌ Leo, the Moon is moving from the beginning to the first part of it.
2 days after previous South standstill on 19 December 2017 at 09:31 in ♑ Capricorn, when Moon has reached southern declination of ∠-20.062°. Next 11 days the lunar orbit moves northward to face North declination of ∠20.055° in the next northern standstill on 2 January 2018 at 00:01 in ♋ Cancer.
After 11 days on 2 January 2018 at 02:24 in ♋ Cancer, the Moon will be in Full Moon geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.