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Last change
on this file since 706 was
38,
checked in by emillour, 14 years ago
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Ajout du modè Martien (mon LMDZ.MARS.BETA, du 28/01/2011) dans le rértoire mars, pour pouvoir suivre plus facilement les modifs.
EM
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File size:
1.3 KB
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| 1 | SUBROUTINE orbite(pls,pdist_sol,pdecli) |
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| 2 | IMPLICIT NONE |
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| 3 | |
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| 4 | c======================================================================= |
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| 5 | c |
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| 6 | c Objet: |
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| 7 | c ------ |
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| 8 | c |
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| 9 | c Distance from sun and declimation as a function of the solar |
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| 10 | c longitude Ls |
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| 11 | c |
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| 12 | c Interface: |
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| 13 | c ---------- |
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| 14 | c |
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| 15 | c |
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| 16 | c |
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| 17 | c Arguments: |
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| 18 | c ---------- |
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| 19 | c |
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| 20 | c Input: |
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| 21 | c ------ |
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| 22 | c pls Ls |
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| 23 | c |
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| 24 | c Output: |
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| 25 | c ------- |
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| 26 | c pdist_sol Distance Sun-Planet in UA |
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| 27 | c pdecli declinaison ( en radians ) |
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| 28 | c |
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| 29 | c======================================================================= |
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| 30 | c----------------------------------------------------------------------- |
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| 31 | c Declarations: |
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| 32 | c ------------- |
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| 33 | |
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| 34 | #include "planete.h" |
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| 35 | #include "comcstfi.h" |
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| 36 | |
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| 37 | c arguments: |
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| 38 | c ---------- |
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| 39 | |
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| 40 | REAL pday,pdist_sol,pdecli,pls,i |
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| 41 | |
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| 42 | c----------------------------------------------------------------------- |
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| 43 | |
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| 44 | c Distance Sun-Planet |
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| 45 | |
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| 46 | pdist_sol=p_elips/(1.+e_elips*cos(pls+timeperi)) |
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| 47 | |
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| 48 | c Solar declination |
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| 49 | |
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| 50 | c ********************* version before 01/01/2000 ******* |
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| 51 | |
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| 52 | pdecli= asin (sin(pls)*sin(obliquit*pi/180.)) |
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| 53 | |
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| 54 | c ********************* version after 01/01/2000 ******* |
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| 55 | c i=obliquit*pi/180. |
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| 56 | c pdecli=asin(sin(pls)*sin(i)/sqrt(sin(pls)**2+ |
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| 57 | c & cos(pls)**2*cos(i)**2)) |
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| 58 | c ****************************************************** |
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| 59 | |
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| 60 | |
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| 61 | |
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| 62 | RETURN |
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| 63 | END |
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