Last Quarter on

Moon phase on 1 September 2010 Wednesday is Last Quarter, 22 days old Moon is in Gemini.

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Moon phase for

Lunar calendar 2010 | September 2010

Last Quarter phase
Last Quarter phase
Image credit: NASA/Goddard Space Flight Center Scientific Visualization Studio.

Last Quarter 52% illuminated

Last Quarter is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 52% and getting smaller. The 22 days old Moon is in ♊ Gemini.

* The exact date and time of this Last Quarter phase is on 1 September 2010 at 17:22 UTC.

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Moon phases for next 7 days

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Moon phase and lunation details

Moonrise and moonset

Moon rises at midnight and sets at noon. It is visible to the south in the morning.

Moon in ♊ Gemini

Moon is passing about ∠6° of ♊ Gemini tropical zodiac sector.

Apparent angular diameter ∠1869"

Lunar disc appears visually 1.7% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1869" and ∠1902".

Harvest Moon after 21 days

Next Full Moon is the Harvest Moon of September 2010 after 21 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 22 days old. Earth's natural satellite is moving through the last 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

7 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 6 days, until the Moon reaches the point of next perigee on 8 September 2010 at 04:00 in ♍ Virgo.

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Distance to Moon 383 570 km

The Moon is 383 570 km (238 339 mi) away from Earth and getting closer over the next 6 days until the point perigee when Earth-Moon distance is going to be 357 193 km (221 949 mi).

Moon before descending node

11 days after ascending node on 20 August 2010 at 12:13 in ♑ Capricorn. The Moon is located north of the ecliptic over the following 2 days, until the lunar orbit crosses from North to South in descending node on 4 September 2010 at 00:16 in ♋ Cancer.

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Draconic month

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

PreviousCurrent draconic monthNext

Moon before northern standstill

13 days since the previous standstill on 18 August 2010 at 17:07 in ♐ Sagittarius when the Moon has reached South declination of ∠-24.929°, the lunar orbit is extending northward over the next day to face maximum declination of ∠24.807° at the point of next northern standstill on 2 September 2010 at 11:20 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 6 days

In 6 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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