Waxing Gibbous on

Moon phase on 31 May 2001 Thursday is Waxing Gibbous, 9 days young Moon is in Libra.

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Moon phase for

Lunar calendar 2001 | May 2001

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

Waxing Gibbous 68% illuminated

Waxing Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 68% and growing larger. The 9 days young Moon is in ♎ Libra.

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Moon phases for next 7 days

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Moon phase and lunation details

1 day after First Quarter

Previous main lunar phase is the First Quarter before 1 day on 29 May 2001 at 22:09.

Moonrise and moonset

Moon rises in the afternoon and sets after midnight to early morning. It is visible to the southeast in early evening and it is up for most of the night.

Moon is entering ♎ Libra

Moon is passing first ∠1° of ♎ Libra tropical zodiac sector.

Apparent angular diameter ∠1949"

Lunar disc appears visually 3% wider than solar disc. Moon and Sun apparent angular diameters are ∠1949" and ∠1892".

Strawberry Moon after 5 days

Next Full Moon is the Strawberry Moon of June 2001 after 5 days on 6 June 2001 at 01:39.

Upcoming main Moon phases

  • Full Moon in Sagittarius ♐ on 6 June 2001 at 01:39
  • Last Quarter in Pisces ♓ on 14 June 2001 at 03:28
  • New Moon in Cancer ♋ on 21 June 2001 at 11:58
  • First Quarter in Libra ♎ on 28 June 2001 at 03:20

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 17 / 970

The Moon is 9 days young. Earth's natural satellite is moving from the first to the middle part of current synodic month. This is lunation 17 of Meeus index or 970 from Brown series.

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Synodic month length 29.38 days

The length of the lunation is 29 days, 9 hours and 12 minutes. It is 1 hour and 25 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 3 hours and 32 minutes shorter than the mean synodic month length. It is 2 hours and 37 minutes longer compared to 21st century's shortest synodic month length.

Lunar orbit position on

True anomaly ∠299.7°

At the beginning of the lunation cycle the true anomaly is ∠299.7°. At the beginning of next synodic month the true anomaly is going to be ∠324.1°.

Moon after perigee

4 days after point of perigee on 27 May 2001 at 07:07 in ♌ Leo. The lunar orbit is getting widen, while the Moon is moving away from the Earth. It will keep this direction over the next 11 days, until the Moon reaches the point of next apogee on 11 June 2001 at 19:48 in ♒ Aquarius.

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Distance to Moon 367 765 km

The Moon is 367 765 km (228 519 mi) away from Earth and getting further over the next 11 days until the point apogee when Earth-Moon distance is going to be 404 630 km (251 425 mi).

Moon after ascending node

5 days after ascending node on 25 May 2001 at 13:51 in ♊ Gemini. The Moon is located north of the ecliptic over the following 7 days, until the lunar orbit crosses from North to South in descending node on 7 June 2001 at 17:37 in ♑ Capricorn.

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Draconic month

5 days since the beginning of current draconic month in ♊ Gemini, the Moon is navigating from the beginning to the first part of the cycle.

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Moon after northern standstill

5 days since the previous standstill on 25 May 2001 at 23:03 in ♋ Cancer when the Moon has reached North declination of ∠23.388°, the lunar orbit is extending southward over the next 7 days to face maximum declination of ∠-23.414° at the point of next southern standstill on 8 June 2001 at 05:02 in ♑ Capricorn.

Previous standstillNext standstill

Syzygy in 5 days

In 5 days on 6 June 2001 at 01:39 in ♐ Sagittarius the Moon is going to be in a Full Moon geocentric opposition with the Sun and thus forming the next Sun-Earth-Moon syzygy alignment.

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