Waning Gibbous on

Moon phase on 23 October 2013 Wednesday is Waning Gibbous, 19 days old Moon is in Gemini.

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Moon phase for

Lunar calendar 2013 | October 2013

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

Waning Gibbous 81% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 81% and getting smaller. The 19 days old Moon is in ♊ Gemini.

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Moon phases for next 7 days

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Moon phase and lunation details

4 days after Full Moon

Previous main lunar phase is the Full Moon before 4 days on 18 October 2013 at 23:38.

Moonrise and moonset

Moon rises in the evening and sets in the morning. It is visible to the southwest and it is high in the sky after midnight.

Moon in ♊ Gemini

Moon is passing about ∠22° of ♊ Gemini tropical zodiac sector.

Apparent angular diameter ∠1776"

Lunar disc appears visually 8.3% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1776" and ∠1929".

Hunter Moon before 4 days

Next Full Moon is the Beaver Moon of November 2013 after 25 days on 17 November 2013 at 15:16.

Upcoming main Moon phases

Neap tide

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.

Lunation 170 / 1123

The Moon is 19 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 170 of Meeus index or 1123 from Brown series.

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Synodic month length 29.51 days

Length of current 170 lunation is 29 days, 12 hours and 15 minutes. It is 43 minutes longer than next lunation 171 length.

Lunation length shorter than mean

Length of current synodic month is 29 minutes shorter than the mean length of synodic month, but it is still 5 hours and 40 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠285.3°

This lunation true anomaly is ∠285.3°. At the beginning of next synodic month true anomaly will be ∠315°. 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

12 days after point of perigee on 10 October 2013 at 23:06 in ♐ Sagittarius. The lunar orbit is getting wider, while the Moon is moving outward the Earth. It will keep this direction for the next 2 days, until it get to the point of next apogee on 25 October 2013 at 14:25 in ♋ Cancer.

Previous perigeeNext apogee

Distance to Moon 403 639 km

Moon is 403 639 km (250 810 mi) away from Earth on this date. Moon moves farther next 2 days until apogee, when Earth-Moon distance will reach 404 561 km (251 383 mi).

Moon after descending node

3 days after its descending node on 19 October 2013 at 21:47 in ♉ Taurus, the Moon is following the southern part of its orbit for the next 10 days, until it will cross the ecliptic from South to North in ascending node on 3 November 2013 at 06:52 in ♏ Scorpio.

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Draconic month

16 days after beginning of current draconic month in ♏ Scorpio, the Moon is moving from the second to the final part of it.

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Moon in northern standstill

At 09:13 on this date the Moon is meeting its North standstill point, when it will reach northern declination of ∠19.509°. This is the year's northernmost lunar standstill of 2013. Next 13 days the lunar orbit will move in opposite southward direction to face South declination of ∠-19.511° in its southern standstill point on 6 November 2013 at 06:43 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 11 days

After 11 days on 3 November 2013 at 12:50 in ♏ Scorpio, the Moon will be in Full Moon geocentric opposition with the Sun and this alignment forms next Sun-Earth-Moon syzygy.

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