Distance from the Sun
Perihelion 46,000,000 km
Aphelion 69,820,000 km
Mean distance 57,909,175 km (0.387 AU)
Year length 87.97 E-d
Orbital eccentricity 0.2056
Orbital inclination 7.00°
Solar day 175.95 E-d
Sidereal day 58.65 E-d
Rotational inclination 0.01°
Mass 330,220,000,000,000,000,000 t
Mean radius 2,439.7 km
Mean density 5.427 g/cm3
Moons 0
Average surface temperature 167.22 °C
October 21, +2009 E 12:00 PM
September 26, +2009 E 12:05 PM
February 2, +8344 R 06h17'00.226"
January 17, +8343 R 32h00'25.805"
A Calendar Variant for Mercury
I would hope we never actually put a colony on Mercury, but so that planet time could be tracked I will make this calendar[1]. Mercury is the only planet that is in a tidal locked orbit with the sun, this is because it is the closest planet to the sun and it is this closeness that gives it its seemingly tidal locked orbit. This means that one side of Mercury is normally facing the Sun where as the other side is normally away from the Sun. That means one side is in a virtually eternal “day” and the other is in a virtually eternal “night.” Mercury surprisingly does rotate three times every two of its years. But that does not mean that it would not make a good vacation spot. A Mercury year is 87.97 E-d and a Mercury-sol is 175.94 E-d. That is right the Mercury-sol is longer than the Mercury year. This would make it unwise to put a colony there. Mercury has an average surface 167°C, the “day” side can get as hot as 430°C while the “night” side gets as cold as -170°C. Because Mercury is so close to the Sun terraforming is out of the question, even if you could the new atmosphere would be vaporized before you got done. It is all these factors together that make me say we will never put colony on Mercury, but we will go for vacation there. Mercury has ice on its poles, surprising.
This calendar is for the fun of the vacationers. This is the Jeremiahn Variant Calendar Four for Mercury[2]. There is no real use to this calendar other than just having fun. Divide the Mercury-sol 100 ways; so centisols are used on the calendar. A centisol is 42.226 h (42 h 13' 32.16"). One Mercury year is 87.97 E-d or 49.9995 R-cd (49 R-cd 42 h 12' 21.6"). [3][4]That is 18 h 13' 32.16" longer than a day. This clock will count 42 h 13' 32.16" before ticking to the next centisol; to preserve our hours, minutes, and seconds. The clock does use a millisecond counter. The base unit is the “centisol.” This calendar will have two months; span 24-26 R-cd each. It has a 50 R-cd Mercury year. [5][6][7]This calendar does start with one on its year count. Mercury is 57,909,175 km (0.387 AU) from the Sun, which gives it a shorter year.
#. months spans
1. January 24
2. February 26
This calendar is just for fun. This calendar has an accuracy of 46,689 R-y, its Ls is the anti-meridian. Eventually we would need to develop Mercurial time zones as well. I would do this similar to the Earth’s time zones; which is add or subtract an hour every 15° E/W of the Prime Meridian, respectively. On Mercury the GMT equivalent is Hun Kal Mean Time. Hun Kal is a crater that lies 20º away from Mercury’s Prime Meridian[8]. When measuring from the Mercury’s Origin Point (0º E/W, 0º N/S) going clockwise there is 363.0252 km between each time zone. Mercury has no official moons, so no lunar colony for Mercury. This calendar will have a seven-centisol week-cycle. This will be acceptable to religious groups, making religion on Mercury easy[9].
Mercury is named for the Roman gods’ messenger, is the closet planet to the Sun and the smallest in the Solar System. Mercury is too much in line with the Sun to be observed against a dark sky; therefore it always seen during morning or evening twilight.
The seven centisols in my Mercurial week are:
7 R-cd name meaning
1 Suncentisol Sunday (weekend)
2 Einscentisol One day
3 Tuescentisol Tuesday
4 Dreicentisol Three day
5 Thurscentisol Thursday
6 Fricentisol Friday
7 Saturcentisol Saturday (weekend).
This calendar’s epoch is Jesus Christ’s birth. The JD count is 1,721,419. The epoch formula for Mercury is: ((y*365.2425*24)/42.226)/49.9995; y = current Earth year, round to nearest whole number. This would make the current Mercury year be +8341 R. +8341 R started on January 1, +2009 E and ended on March 29, +2009 E; March 30, +2009 E started on +8342 R. +2009 E will end as +8346 R on Mercury. This calendar begins with January 1. This is a calendar for Mercury, it is non-perpetual. Mercury does not have any seasons, therefore no need to track them. I am not going to put any holicentisols on the Mercury calendar. Because of Mercury’s closeness to the Sun a colony is undesirable, but that does not make it a bad vacation spot. NASA currently does not use an independent calendar for timekeeping on Mercury. Since there will not be a colony we do not need to worry about age equivalencies. So I will not calculate them. The length of a workcentisol is 14 h 4' 31.2". This is simple to grasp for most humans with a brain. This will be accepted by religious groups. This is simple.
Posted by J.S. at 7:56 AM 0 comments
Applications information:
There are none this calendar is just for fun!!!! Mercury’s color is pink. Our fix year is 8350 R, so 8351 R start on April 12, 2011 E, and end on July 10, 2011 E.
Mercury
sol 175.94 E-d
100 R-cd
1 R-cd 42 h 13' 32.16"
clock 21 h 6' 46.08" face
year 87.97 E-d
50 R-cd
2 months
leap year N/A
distance 0.387 AU
moons 0
week 7 R-cd
accuracy 46689 R-y
GMT Hun Kal Mean Time
covers 363.0252 km each
epoch 12/25/+0000 E 1,721,419
+2009 E start +8341 R
end +8346 R
1 R-y 3 Earth months
seasons N/A holidays: N/A
ages N/A
work 14 h 4' 31.2"
competitors N/A
independence no
#. months spans
1. January 24
2. February 26
This calendar is just for fun. This calendar has an accuracy of 46,689 R-y, its Ls is the anti-meridian. Eventually we would need to develop Mercurial time zones as well. I would do this similar to the Earth’s time zones; which is add or subtract an hour every 15° E/W of the Prime Meridian, respectively. On Mercury the GMT equivalent is Hun Kal Mean Time. Hun Kal is a crater that lies 20º away from Mercury’s Prime Meridian[8]. When measuring from the Mercury’s Origin Point (0º E/W, 0º N/S) going clockwise there is 363.0252 km between each time zone. Mercury has no official moons, so no lunar colony for Mercury. This calendar will have a seven-centisol week-cycle. This will be acceptable to religious groups, making religion on Mercury easy[9].
Mercury is named for the Roman gods’ messenger, is the closet planet to the Sun and the smallest in the Solar System. Mercury is too much in line with the Sun to be observed against a dark sky; therefore it always seen during morning or evening twilight.
The seven centisols in my Mercurial week are:
7 R-cd name meaning
1 Suncentisol Sunday (weekend)
2 Einscentisol One day
3 Tuescentisol Tuesday
4 Dreicentisol Three day
5 Thurscentisol Thursday
6 Fricentisol Friday
7 Saturcentisol Saturday (weekend).
This calendar’s epoch is Jesus Christ’s birth. The JD count is 1,721,419. The epoch formula for Mercury is: ((y*365.2425*24)/42.226)/49.9995; y = current Earth year, round to nearest whole number. This would make the current Mercury year be +8341 R. +8341 R started on January 1, +2009 E and ended on March 29, +2009 E; March 30, +2009 E started on +8342 R. +2009 E will end as +8346 R on Mercury. This calendar begins with January 1. This is a calendar for Mercury, it is non-perpetual. Mercury does not have any seasons, therefore no need to track them. I am not going to put any holicentisols on the Mercury calendar. Because of Mercury’s closeness to the Sun a colony is undesirable, but that does not make it a bad vacation spot. NASA currently does not use an independent calendar for timekeeping on Mercury. Since there will not be a colony we do not need to worry about age equivalencies. So I will not calculate them. The length of a workcentisol is 14 h 4' 31.2". This is simple to grasp for most humans with a brain. This will be accepted by religious groups. This is simple.
Posted by J.S. at 7:56 AM 0 comments
Applications information:
There are none this calendar is just for fun!!!! Mercury’s color is pink. Our fix year is 8350 R, so 8351 R start on April 12, 2011 E, and end on July 10, 2011 E.
Mercury
sol 175.94 E-d
100 R-cd
1 R-cd 42 h 13' 32.16"
clock 21 h 6' 46.08" face
year 87.97 E-d
50 R-cd
2 months
leap year N/A
distance 0.387 AU
moons 0
week 7 R-cd
accuracy 46689 R-y
GMT Hun Kal Mean Time
covers 363.0252 km each
epoch 12/25/+0000 E 1,721,419
+2009 E start +8341 R
end +8346 R
1 R-y 3 Earth months
seasons N/A holidays: N/A
ages N/A
work 14 h 4' 31.2"
competitors N/A
independence no
[1] Joyce, Alan C. Planets of the Solar System, Mercury. World Almanac. Ed 1. Vol 1. 2008. 328.
[2] wilderness.org. Nelson, Gaylord. October 1993. Google, Inc. 13 April 2009 <http://earthday.wilderness.org/history/>[3] Star constellations. The Random House Dictionary of the English Language. Ed 2. New York: Random House, 1987.
[4] Scientific Astronomer Documentation. anonymous. 1 January 2009. Wolfram Research, Inc. 4 April 2009 <http://documents.wolfram.com/applications/astronomer/AdditionalInformation/PlanetographicCoordinates.html>
[5] Solar System Exploration. Davis, Phil. 21 January 2009. NASA. 8 April 2009 <http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mercury&Display=Kids>
[6] Dictionary.com. anonymous. 1 January 2009. Ask.com. 2 April 2009 <http://dictionary.reference.com/translate>,Alphabetical listing of constellations. Dolan, Chris. 1 January 2005. Google, Inc. 11 May 2009 <http://www.astro.wisc.edu/~dolan/constellations/constellation_list.html>
[7] Star constellations. The Random House Dictionary of the English Language. Ed 2. New York: Random House, 1987.
[8] Rowen, Beth. Space. Time for kids Almanac. Ed 1. Vol 1. 2006. 219.
[9] Solar System Exploration. Davis, Phil. 21 January 2009. NASA. 8 April 2009<http://solarsystem.nasa.gov/planets/profile.cfm?Object=Mercury>
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