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Dhruvarāśi Takanika in Jaina Canons
ekasatthi gunidā pañcasayājoyanāni dasajuttā / te açadāla vimissā dhuvarāsi nāma cāramahi // 122 11 ekatthisahassā atthavannutaraṁ sadam taha ya/ igisatthie bhajide dhuvarāsi pamānamuddittham // 123/1
31158
61
pannarasehim gunidam nimakarabimbappamānamavanijjam / dhuvarāsido sesaṁ viccālam sayalavihiņam // 124 //
30318
61
Translation of the above verses is as follows:
Verse 122 : On multiplication of five hundred and ten yojanas by sixtyone, and adding forty-eight to the product, the result (as divided by the denominator sixty-one) becomes the extension of the orbital ground called the Dhruvarāsi.
Note: 510– is equal to 31158/61. This has been called the Dhruvarāśi
61 or the orbital field of the sun or the moon.
Verse 123: The quotient obtained on dividing thirty-one thousand and one hundred fifty-eight by sixty-one has been shown as the pole-set or Dhruvarāsi.
Note : The above verse has been elaborated in this verse.
Verse 124 : On multiplying the diameter of the moon by fifteen, the product is subtracted from the dhruvarāśi, the result is the measure of the interval of all the remaining orbits.
Note : Diameter of the moon is 56/61. Hence ( 56/61 ) x 15 = 840/61. Now one can find the interval between the remaining orbits as equal to (31158/ 61) - ( 840/61 ) or equal to ( 30318/61). Further Procedure
In the verse ahead, the following has been worked out. When (30318/61) is divided by 14, one gets the interval between every one of the orbits as
35 214
yojanas.
Now to this amount is added the moon's diameter 56/61 yojanas, getting the common difference
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