Waning Gibbous on

Moon phase on 4 September 2099 Friday is Waning Gibbous, 19 days old Moon is in Taurus.

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Moon phase for

Lunar calendar 2099 | September 2099

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

Waning Gibbous 81% illuminated

Waning Gibbous is the lunar phase on . Seen from Earth, illuminated fraction of the Moon surface is 81% and getting smaller. The 19 days old Moon is in ♉ Taurus.

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Moon phases for next 7 days

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Moon phase and lunation details

4 days after Full Moon

Previous main lunar phase is the Full Moon before 4 days on 30 August 2099 at 17:56.

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 ♉ Taurus

Moon is passing first ∠4° of ♉ Taurus tropical zodiac sector.

Apparent angular diameter ∠1786"

Lunar disc appears visually 6.4% narrower than solar disc. Moon and Sun apparent angular diameters are ∠1786" and ∠1903".

Sturgeon Moon before 4 days

Next Full Moon is the Harvest Moon of September 2099 after 24 days on 29 September 2099 at 10:45.

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 1232 / 2185

The Moon is 19 days old. Earth's natural satellite is moving from the middle to the last part of current synodic month. This is lunation 1232 of Meeus index or 2185 from Brown series.

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Synodic month length 29.33 days

Length of current 1232 lunation is 29 days, 7 hours and 56 minutes. It is 46 minutes shorter than next lunation 1233 length.

Lunation length shorter than mean

Length of current synodic month is 4 hours and 48 minutes shorter than the mean length of synodic month, but it is still 1 hour and 21 minutes longer, compared to 21st century shortest.

Lunar orbit position on

True anomaly ∠339.4°

This lunation true anomaly is ∠339.4°. At the beginning of next synodic month true anomaly will be ∠355.4°. The length of upcoming synodic months will keep decreasing since the true anomaly gets closer to the value of New Moon at point of perigee (∠0° or ∠360°).

Moon after apogee

2 days after point of apogee on 1 September 2099 at 19:45 in ♓ Pisces. The lunar orbit is getting closer, while the Moon is moving inward the Earth. It will keep this direction for the next 10 days, until it get to the point of next perigee on 14 September 2099 at 23:26 in ♍ Virgo.

Previous apogeeNext perigee

Distance to Moon 401 416 km

Moon is 401 416 km (249 428 mi) away from Earth on this date. Moon moves closer next 10 days until perigee, when Earth-Moon distance will reach 357 286 km (222 007 mi).

Moon after ascending node

3 days after its ascending node on 1 September 2099 at 08:09 in ♓ Pisces, the Moon is following the northern part of its orbit for the next 10 days, until it will cross the ecliptic from North to South in descending node on 14 September 2099 at 23:44 in ♍ Virgo.

Previous nodeNext node

Draconic month

3 days after beginning of current draconic month in ♓ Pisces, the Moon is moving from the beginning to the first part of it.

PreviousCurrent draconic monthNext

Moon before northern standstill

10 days after previous South standstill on 25 August 2099 at 05:13 in ♐ Sagittarius, when Moon has reached southern declination of ∠-28.632°. Next 4 days the lunar orbit moves northward to face North declination of ∠28.676° in the next northern standstill on 8 September 2099 at 23:00 in ♊ Gemini.

Previous standstillNext standstill

Syzygy in 10 days

After 10 days on 14 September 2099 at 16:50 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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