{"id":8805,"date":"2020-12-29T16:09:03","date_gmt":"2020-12-29T15:09:03","guid":{"rendered":"https:\/\/eratostene.vialattea.net\/wpe\/?page_id=8805"},"modified":"2026-06-27T07:43:37","modified_gmt":"2026-06-27T05:43:37","slug":"test","status":"publish","type":"page","link":"https:\/\/eratostene.vialattea.net\/wpe\/algoritmi\/test\/","title":{"rendered":"TEST"},"content":{"rendered":"\n

Proponiamo qui due esempi di output tratti dalla pagina di calcolo di Sphaera<\/a>.<\/p>\n\n\n\n

PRIMO ESEMPIO<\/strong><\/p>\n\n\n\n

INPUT:<\/strong><\/p>\n\n\n\n

Data: 7 settembre 1999 ore 23:2:59 UT
$\\Delta T=63.7^s$
Longitudine = $32^\\circ W=-32^\\circ$
Latitudine =$46^\\circ N=+46^\\circ$<\/p>\n\n\n\n

OUTPUT<\/strong>:
Giorno decimale: $7.960\\,41$
$JD= 2\\,451\\,429.460\\,41$
$JD_{TT}= 2\\,451\\,429.461\\,14$
$T= -0.003\\,163\\,282$
$\\Omega= 131.162\\,74^\\circ=+131^\\circ\\text{09’46”}$
$M= 243.653\\,98^\\circ = +243^\\circ\\text{39’14”}$
$\\nu= 241.954\\,190\\,34^\\circ = +241^\\circ\\text{57’15”}$
$C= -1.699\\,79$
$L’=135.930\\,70^\\circ=+135^\\circ\\text{55’51”}$
$\\Delta\\psi=-12.331\\,\\text{40”}$
$\\epsilon_0= 23.439\\,33^\\circ=+23^\\circ\\text{26’22”}$
$\\Delta\\epsilon= -5.531\\,\\text{5”}$
$\\epsilon= 23.437\\,79^\\circ=+23^\\circ\\text{26’16”}$
$Eq=-11.313\\,\\text{97”}$
$\\theta (GMST)= 332.325\\,15^\\circ = +332^\\circ\\text{19’31”} =+22^h 09^m 18.0^s$
$\\theta_a (GAST)= 332.322\\,01^\\circ = +332^\\circ\\text{19’19”} =+22^h 09^m 17^s$
$\\theta_L (LAST)= 300.322\\,01^\\circ = +300^\\circ\\text{19’19”} =+20^h 01^m 17^s$
$e= 0.016\\,708\\,77$
\"L_{\astrosun}=\" $166.585\\,89^\\circ$
$L_v= 164.886\\,10^\\circ$
$\\lambda=164.876\\,81^\\circ$
$E_t= 0.498\\,195\\,30^\\circ=+1^m59.6^s$
$\\alpha_0=166.082\\,60^\\circ= +166^\\circ\\text{04’57”} = +11^h 04^m 20^s$
$\\alpha= 166.073\\,81^\\circ= +166^\\circ\\text{04’26”} = +11^h 04^m 18^s$
$\\delta_0= 5.952\\,83^\\circ= +05^\\circ\\text{57’10”}$
$\\delta=5.956\\,01^\\circ = +05^\\circ\\text{57’22”}$
$H=134.248\\,20^\\circ = 134^\\circ\\text{14’54”} = 08^h 57^m 00^s$
$A=308.725\\,37^\\circ = 308^\\circ\\text{43’31”}$
$h=-24.044\\,85^\\circ = -24^\\circ\\text{02’41”}$<\/p>\n\n\n\n

<\/div><\/div>\n\n\n\n

SECONDO ESEMPIO<\/strong><\/p>\n\n\n\n

INPUT:<\/strong><\/p>\n\n\n\n

Data: 6 gennaio 2025 ore 23:00:00 UT
$\\Delta T=61^s$
Longitudine = $32^\\circ E=+12^\\circ$
Latitudine =$46^\\circ N=+45^\\circ$<\/p>\n\n\n\n

OUTPUT<\/strong>:
Giorno decimale: $6.458\\,33$
$JD= 2\\,460\\,681.958\\,33$
$JD_{TT}= 2\\,460\\,681.959\\,04$
$T= 0.250\\,156\\,305$
$\\Omega= 1.208\\,27^\\circ=+1^\\circ\\text{12’30”}$
$M= 2.918\\,50^\\circ = +2^\\circ\\text{55’07”}$
$\\nu= 3.017\\,999\\,83^\\circ = +3^\\circ\\text{01’05”}$
$C= 0.099\\,50$
$L’=10.511\\,39^\\circ=+10^\\circ\\text{30’41”}$
$\\Delta\\psi=0.274\\,\\text{29”}$
$\\epsilon_0= 23.436\\,04^\\circ=+23^\\circ\\text{26’10”}$
$\\Delta\\epsilon= 8.721\\,\\text{03”}$
$\\epsilon= 23.438\\,46^\\circ=+23^\\circ\\text{26’18”}$
$Eq=0.251\\,\\text{66”}$
$\\theta (GMST)= 271.279\\,56^\\circ = +271^\\circ\\text{16’46”} =+18^h 05^m 07.1^s$
$\\theta_a (GAST)= 271.279\\,63^\\circ = +271^\\circ\\text{16’47”} =+18^h 05^m 07.0^s$
$\\theta_L (LAST)= 283.279\\,63^\\circ = +283^\\circ\\text{16’47”} =+18^h 53^m 07^s$
$e= 0.016\\,698\\,11$
\"L_{\astrosun}=\" $286.286\\,03^\\circ$
$L_v= 286.385\\,53^\\circ$
$\\lambda=286.379\\,74^\\circ$
$E_t= -1.481\\,990\\,66^\\circ=-5^m55.7^s$
$\\alpha_0=287.769\\,90^\\circ= +287^\\circ\\text{46’12”} = +19^h 11^m 05^s$
$\\alpha= 287.764\\,01^\\circ= +287^\\circ\\text{45’50”} = +19^h 11^m 03^s$
$\\delta_0= -22.433\\,37^\\circ= -22^\\circ\\text{26’00”}$
$\\delta=-22.436\\,51^\\circ = -22^\\circ\\text{26’11”}$
$H=355.515\\,62^\\circ = 355^\\circ\\text{30’56”} = 23^h 42^m 04^s$
$A=175.515\\,53^\\circ = +175^\\circ\\text{30’56”}$
$h=+22.439\\,41^\\circ = +22^\\circ\\text{26’22”}$<\/p>\n\n\n\n\n