Waxing Gibbous on

Moon phase on 13 December 2013 Friday is Waxing Gibbous, 11 days young Moon is in Taurus.

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Moon phase for

Lunar calendar 2013 | December 2013

Waxing Gibbous phase
Waxing Gibbous phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Waxing Gibbous 86% illuminated

Waxing Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 86% and growing larger. The 11 days young Moon is in ♉ Taurus.

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Moon phases for next 7 days

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Moon phase and lunation details

3 days after First Quarter

Previous main lunar phase is the First Quarter before 3 days on 9 December 2013 at 15:12.

Moonrise and moonset

Moon rises in the afternoon and sets after midnight to early morning. It is visible to the southeast in early evening and it is up for most of the night.

Moon in ♉ Taurus

Moon is passing about ∠8° of ♉ Taurus tropical zodiac sector.

Apparent angular diameter ∠1839"

Lunar disc appears visually 5.8% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1839" and ∠1949".

Cold Moon after 3 days

Next Full Moon is the Cold Moon of December 2013 after 3 days on 17 December 2013 at 09:28.

Upcoming main Moon phases

Moderate tide

There is medium ocean tide on this date. Sun and Moon gravitational forces are not aligned, but meet at very acute angle, so their combined tidal force is moderate.

Lunation 172 / 1125

The Moon is 11 days young. Earth's natural satellite is moving from the first to the middle part of current synodic month. This is lunation 172 of Meeus index or 1125 from Brown series.

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Synodic month length 29.45 days

Length of current 172 lunation is 29 days, 10 hours and 52 minutes. This is the year's shortest synodic month of 2013. It is 28 minutes longer than next lunation 173 length.

Lunation length shorter than mean

Length of current synodic month is 1 hour and 52 minutes shorter than the mean length of synodic month, but it is still 4 hours and 17 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠336.4°

This lunation true anomaly is ∠336.4°. At the beginning of next synodic month true anomaly will be ∠353°. 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°).

Moon before apogee

9 days after point of perigee on 4 December 2013 at 10:15 in ♑ Capricorn. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 6 days, until it get to the point of next apogee on 19 December 2013 at 23:49 in ♋ Cancer.

Previous perigeeNext apogee

Distance to Moon 389 816 km

Moon is 389 816 km (242 220 mi) away from Earth on this date. Moon moves farther next 6 days until apogee, when Earth-Moon distance will reach 406 269 km (252 444 mi).

Moon in descending node

Moon is in descending node in ♉ Taurus at 10:10 on this date, it crosses the ecliptic from North to South. Moon will follow the southern part of its orbit for the next 14 days to meet ascending node on 28 December 2013 at 00:21 in ♏ Scorpio.

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Draconic month

12 days after beginning of current draconic month in ♏ Scorpio, the Moon is moving from the middle to the last part of it.

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Moon before northern standstill

9 days after previous South standstill on 3 December 2013 at 16:38 in ♐ Sagittarius, when Moon has reached southern declination of ∠-19.552°. Next 3 days the lunar orbit moves northward to face North declination of ∠19.570° in the next northern standstill on 17 December 2013 at 01:00 in ♊ Gemini.

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Syzygy in 3 days

After 3 days on 17 December 2013 at 09:28 in ♊ Gemini, the Moon will be in First Quarter geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.

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