Waning Gibbous on

Moon phase on 13 May 2001 Sunday is Waning Gibbous, 20 days old Moon is in Aquarius.

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Moon phase for

Lunar calendar 2001 | May 2001

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

Waning Gibbous 68% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 68% and getting smaller. The 20 days old Moon is in ♒ Aquarius.

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Moon phases for next 7 days

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Moon phase and lunation details

5 days after Full Moon

Previous main lunar phase is the Full Moon before 5 days on 7 May 2001 at 13:53.

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 is entering ♒ Aquarius

Moon is passing first ∠2° of ♒ Aquarius tropical zodiac sector.

Apparent angular diameter ∠1772"

Lunar disc appears visually 6.9% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1772" and ∠1899".

Flower Moon before 5 days

Next Full Moon is the Strawberry Moon of June 2001 after 23 days on 6 June 2001 at 01:39.

Upcoming main Moon phases

  • Last Quarter in Aquarius ♒ on 15 May 2001 at 10:11
  • New Moon in Gemini ♊ on 23 May 2001 at 02:46
  • First Quarter in Virgo ♍ on 29 May 2001 at 22:09
  • Full Moon in Sagittarius ♐ on 6 June 2001 at 01:39

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 16 / 969

The Moon is 20 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 16 of Meeus index or 969 from Brown series.

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Synodic month length 29.47 days

The length of the lunation is 29 days, 11 hours and 20 minutes. It is 2 hours and 8 minutes longer than the next lunation's length. The lengths of the following synodic months are going to decreasing with the true anomaly getting closer to the value it has at the point of New Moon at perigee (∠0° or ∠360°).

Lunation length shorter than mean

The length of the current synodic month is 1 hour and 24 minutes shorter than the mean synodic month length. It is 4 hours and 45 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠267.3°

At the beginning of the lunation cycle the true anomaly is ∠267.3°. At the beginning of next synodic month the true anomaly is going to be ∠299.7°.

Moon before perigee

11 days after point of perigee on 2 May 2001 at 03:37 in ♍ Virgo. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next day, until the Moon reaches the point of next apogee on 15 May 2001 at 01:29 in ♒ Aquarius.

Previous perigeeNext apogee

Distance to Moon 404 410 km

The Moon is 404 410 km (251 289 mi) away from Earth and getting further over the next day until the point apogee when Earth-Moon distance is going to be 404 141 km (251 122 mi).

Moon after descending node

2 days after descending node on 11 May 2001 at 11:02 in ♑ Capricorn. The Moon is located south of the ecliptic over the following 12 days, until the lunar orbit crosses from South to North in ascending node on 25 May 2001 at 13:51 in ♊ Gemini.

Previous nodeNext node

Draconic month

15 days since the beginning of current draconic month in ♋ Cancer, the Moon is navigating from the second to the final part of the cycle.

PreviousCurrent draconic monthNext

Moon after southern standstill

1 day since the previous standstill on 11 May 2001 at 20:26 in ♑ Capricorn when the Moon has reached South declination of ∠-23.329°, the lunar orbit is extending northward over the next 12 days to face maximum declination of ∠23.388° at the point of next northern standstill on 25 May 2001 at 23:03 in ♋ Cancer.

Previous standstillNext standstill

Syzygy in 9 days

In 9 days on 23 May 2001 at 02:46 in ♊ Gemini 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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