Waning Crescent on

Moon phase on 4 September 2010 Saturday is Waning Crescent, 25 days old Moon is in Cancer.

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Moon phase for

Lunar calendar 2010 | September 2010

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

Waning Crescent 21% illuminated

Waning Crescent is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 21% and getting smaller. The 25 days old Moon is in ♋ Cancer.

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Moon phases for next 7 days

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Moon phase and lunation details

2 days after Last Quarter

Previous main lunar phase is the Last Quarter before 2 days on 1 September 2010 at 17:22.

Moonrise and moonset

Moon rises after midnight to early morning and sets in the afternoon. It is visible in the early morning low to the east.

Moon in ♋ Cancer

Moon is passing about ∠17° of ♋ Cancer tropical zodiac sector.

Apparent angular diameter ∠1937"

Lunar disc appears visually 1.8% wider than solar disc. Moon and Sun apparent angular diameters are ∠1937" and ∠1903".

Harvest Moon after 18 days

Next Full Moon is the Harvest Moon of September 2010 after 18 days on 23 September 2010 at 09:17.

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 131 / 1084

The Moon is 25 days old. Earth's natural satellite is moving from the second to the final part of current synodic month. This is lunation 131 of Meeus index or 1084 from Brown series.

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Synodic month length 29.31 days

The length of the lunation is 29 days, 7 hours and 22 minutes. This is the year's shortest synodic month of 2010. It is 53 minutes shorter than the next lunation's length. The lengths of the following synodic months are going to increasing with the true anomaly getting closer to the value it has at the point of New Moon at apogee (∠180°).

Lunation length shorter than mean

The length of the current synodic month is 5 hours and 22 minutes shorter than the mean synodic month length. It is 47 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠349.5°

At the beginning of the lunation cycle the true anomaly is ∠349.5°. At the beginning of next synodic month the true anomaly is going to be ∠4.6°.

Moon before apogee

10 days after point of apogee on 25 August 2010 at 05:51 in ♓ Pisces. The lunar orbit is getting narrow, while the Moon is moving towards the Earth. It will keep this direction over the next 3 days, until the Moon reaches the point of next perigee on 8 September 2010 at 04:00 in ♍ Virgo.

Previous apogeeNext perigee

Distance to Moon 370 081 km

The Moon is 370 081 km (229 958 mi) away from Earth and getting closer over the next 3 days until the point perigee when Earth-Moon distance is going to be 357 193 km (221 949 mi).

Moon in descending node

Moon is in descending node in ♋ Cancer at 00:16 crossing the ecliptic from North to South to meet ascending node 12 days later on 16 September 2010 at 13:56 in ♑ Capricorn.

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Draconic month

14 days since the beginning of current draconic month in ♑ Capricorn, the Moon is navigating from the second to the final part of the cycle.

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Moon after northern standstill

2 days since the previous standstill on 2 September 2010 at 11:20 in ♊ Gemini when the Moon has reached North declination of ∠24.807°, the lunar orbit is extending southward over the next 10 days to face maximum declination of ∠-24.710° at the point of next southern standstill on 14 September 2010 at 23:47 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 3 days

In 3 days on 8 September 2010 at 10:30 in ♍ Virgo the Moon is going to be in a New Moon geocentric conjunction with the Sun and thus forming the next Sun-Moon-Earth syzygy alignment.

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