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

Length of current 131 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 next lunation 132 length.

Lunation length shorter than mean

Length of current synodic month is 5 hours and 22 minutes shorter than the mean length of synodic month, but it is still 47 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠349.5°

This New Moon true anomaly is ∠349.5°. At beginning of next synodic month true anomaly will be ∠4.6°. The length of upcoming synodic months will keep increasing since the true anomaly gets closer to the value of New Moon at point of apogee (∠180°).

Moon before perigee

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

Previous apogeeNext perigee

Distance to Moon 370 081 km

Moon is 370 081 km (229 958 mi) away from Earth on this date. Moon moves closer next 3 days until perigee, when Earth-Moon distance will reach 357 193 km (221 949 mi).

Moon in descending node

Moon is in descending node in ♋ Cancer at 00:16 on this date, it crosses the ecliptic from North to South. Moon will follow the southern part of its orbit for the next 12 days to meet ascending node on 16 September 2010 at 13:56 in ♑ Capricorn.

Previous nodeNext node

Draconic month

14 days after beginning of current draconic month in ♑ Capricorn, the Moon is moving from the second to the final part of it.

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Moon after northern standstill

2 days after previous North standstill on 2 September 2010 at 11:20 in ♊ Gemini, when Moon has reached northern declination of ∠24.807°. Next 10 days the lunar orbit moves southward to face South declination of ∠-24.710° in the next southern standstill on 14 September 2010 at 23:47 in ♐ Sagittarius.

Previous standstillNext standstill

Syzygy in 3 days

After 3 days on 8 September 2010 at 10:30 in ♍ Virgo, the Moon will be in New Moon geocentric conjunction with the Sun and this alignment forms next Sun-Moon-Earth syzygy.

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