A hexaëteris is the Greek name for the period within 6 tropical years where the Moon phase occurs around 6 days earlier.
It corresponds to 74 synodic months, 79.9828175276068 sidereal months, 80.30449221927401 draconic months, 79.30681173378679 anomalistic months, and 2,185.2635092592623 days.
It corresponds to 74 synodic months, 79.9828175276068 sidereal months, 80.30449221927401 draconic months, 79.30681173378679 anomalistic months, and 2,185.2635092592623 days.
Ben: The ultra supermoon 2016 was marked by the last lunar eclipse of 2022 after a hexaëteris.
Gregory: You know your stuff man.
Ben: Not to mention the last lunar eclipse of 2021 was a hexaëteris after my oldest grandfather's 81st birthday in 2015.
Gregory: Wow.
Gregory: You know your stuff man.
Ben: Not to mention the last lunar eclipse of 2021 was a hexaëteris after my oldest grandfather's 81st birthday in 2015.
Gregory: Wow.
by gregben October 2, 2023
Get the Hexaëteris mug.A sexaëteris (a.k.a. a hexacontaenneaëteris) is the Greek name for the period within 69 tropical years (a tropical sexayear or sexade) where the Moon phase occurs within 2 weeks earlier.
It corresponds to 853 synodic months, 921.9640993384945 sidereal months, 925.6720522032531 draconic months, 914.1717622827045 anomalistic months, and 25,189.59153240744 days.
It’s just over 65 synodic periods and nearly 6 sidereal revolutions of Jupiter, meaning every new/full moon a sexaëteris apart will be 4 days past conjunction/opposition of Jupiter.
It corresponds to 853 synodic months, 921.9640993384945 sidereal months, 925.6720522032531 draconic months, 914.1717622827045 anomalistic months, and 25,189.59153240744 days.
It’s just over 65 synodic periods and nearly 6 sidereal revolutions of Jupiter, meaning every new/full moon a sexaëteris apart will be 4 days past conjunction/opposition of Jupiter.
It’s just over 65 synodic periods and close to 6 sidereal revolutions of Jupiter, meaning every new/full moon a sexaëteris apart will be 4 days past conjunction/opposition of Jupiter.
Ben: The first full moon of 2000 is a sexaëteris before the first full moon of 2069.
Gregory: When was the first one again?
Ben: Between January 20 and 21.
Gregory: When’s the first full moon of 2069?
Ben: January 7.
Gregory: Ok.
Ben: The first full moon of 2000 is a sexaëteris before the first full moon of 2069.
Gregory: When was the first one again?
Ben: Between January 20 and 21.
Gregory: When’s the first full moon of 2069?
Ben: January 7.
Gregory: Ok.
by gregben October 2, 2023
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A hectaëteris is the Greek name for the period over 100 tropical years (also known as a tropical century or hectade or centade) where the Moon phase occurs over 5 days later.
It corresponds to 1,237 synodic months, 1,337.0100713736433 sidereal months, 1,342.387255070837 draconic months, 1,325.7098123607332 anomalistic months, and 36,529.337310185234 days.
It corresponds to 1,237 synodic months, 1,337.0100713736433 sidereal months, 1,342.387255070837 draconic months, 1,325.7098123607332 anomalistic months, and 36,529.337310185234 days.
Ben: The first full moon of 2022 was January 17.
Gregory: What's so special about that?
Ben: Betty White would've turned 100.
Gregory: She was special.
Ben: This means a full moon occurred around 5 days before she was born.
Gregory: I see.
Ben: Because January's full moon in 2022 was a hectaëteris after January's full moon in 1922, which was 37 years before the year Kirstie Alley was born.
Gregory: You mean 1959.
Ben: Yeah, on January 12.
Gregory: I see.
Ben: May she rest in peace as well.
Gregory: Sad.
Gregory: What's so special about that?
Ben: Betty White would've turned 100.
Gregory: She was special.
Ben: This means a full moon occurred around 5 days before she was born.
Gregory: I see.
Ben: Because January's full moon in 2022 was a hectaëteris after January's full moon in 1922, which was 37 years before the year Kirstie Alley was born.
Gregory: You mean 1959.
Ben: Yeah, on January 12.
Gregory: I see.
Ben: May she rest in peace as well.
Gregory: Sad.
by gregben October 2, 2023
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