Jupiter/Saturn Conjunctions Data in 7 BC

The Hitomi-Conjunction was a triple one. That means, the planets meet (not really, only looks so when seen from Earth!) and depart from each other and meet again, so that there are three closest approaches of them. These three are listed here. The second one is the one that is displayed in Hitomi 231. I marked the matching angles with orange and a *. They are: Sun at 158° in Libra and Jupiter and Saturn at 347° in pisces. A triple conjunction in the same zodiac sign happens only once every 854 years. But here the angles must match at least very closely. And because of Hitomi 678 the time of day must be 8:30 pm. These two conditions together did yet only happen once in our history, namely in 7 BC, and will not reoccur for the next 8000 years (I did not check further).

Note that there is no year 0 in our calendar. 1 BC is directly followed by 1 AD. So in astronomical notation we must subtract this missing year from the BC dates. 7 BC becomes -6.

The data is identical with that from the astronomy software named “Guide”.

1. Meeting Geocentric Angular Ecliptic coordinates TT: -6/05/29: 06:37:36.77 step= l.OOOd True Equinox of Date (corrected for Aberr. & L-time) jd: 1719114.7761200 Sunday

- Apparent coordinates -

Body	long ( ° )      lat ( ° )       True D (au)     vlon ("/h)
sun	64.2513222	0.0000037	1.01744167	142.79		
Mercury	89.3364821	0.5859520	0.79112419	124.55		
Venus	96.5089834	1.8202455	1.33055042	178.78		
Mars	166.1093661	0.3633684	0.93391186	56.86	
Jupiter	350.9018218	-1.3392502	5.15959517	21.02	
Saturn	350.9179666	-2.3239049	9.56475901	9.51	
Uranus	335.7855643	-0.7728980	20.06661514	1.81	
Neptune	212.9897078	1.9503777	29.44544880	-3.32	
Pluto	157.1501785	16.7804941	30.77420435	0.72

2. Meeting Geocentric Angular Ecliptic coordinates TT: -6/09/30: 20:30:35.71 step= l.OOOd True Equinox of Date (corrected for Aberr. & L-time) JD: 1719139.3545800 Wednesday

- Apparent coordinates -						
										
Body	long( ° )	lat ( ° )	True D (AU)	Vlon ("/h)	
Sun	185.1044058 *	0.0000554	0.99196281	150.23
Mercury	207.0526061	-3.0427821	0.84432566	52.07		
venus	224.7643126	-5.7376033	0.41262842	75.38		
Mars	242.6296939	-1.4388394	1.64349611	112.01		
Jupiter	347.4777005 *	-1.7522843	4.01231412	-18.34
Saturn	347.4522275 *	-2.7266070	8.33633532	-11.07
Uranus	332.7114113	-0.8071836	19.21707624	-4.80		
Neptune	213.8145476	1.8354277	31.18351734	5.09		
Pluto	160.7347153	16.3257519	31.65201030	5.40

3. Meeting Geocentric Angular Ecliptic Coordinates TT: -6/12/05: 05:02:39.55 Step= l.OOOd True Equinox of Date (corrected for Aberr. & L-time) JD: 1719204.7101800 Saturday

- Apparent coordinates -						
										
Body	long( ° )	lat ( ° )	True D (AU)	Vlon ("/h)	
Sun	251.3992841	0.0000732	0.98254228	153.12	
Mercury	246.2185242	-1.1519471	1.43443802	237.47 
venus	215.2572069	3.3045336	0.37092039	51.03		
Mars	292.9197245	-1.2660747	1.96607558	116.91	
Jupiter	345.5225499	-1.4551125	4.80253256	11.60		
Saturn	345.5476818	-2.5089888	9.14258343	4.13		
Uranus	332.1582441	-0.7679916	20.19373184	2.79	
Neptune	216.1739272	1.8359692	31.11387871	4.81	
Pluto	162.2889928	16.8245862	30.76090285	1.08	

Thanks to forum.astronomie.de for providing this data.

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