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• Parameters at the instant of the conjunction in longitude.
• General phases.
• Geocentric phases.
• Back to the canon of the transits of Venus.

All the instants are given in Universal Time, for the present date the value of the difference between the Terrestrial Time TT and the Universal Time UT is taken as 36398.21s
Longitudes are counted positively towards West and negatively towards East.

Conjunction on -1406/5/23 at 6h 37m 39.83s.
Geocentric longitude of Venus	47° 56' 12.285".
Geocentric latitude of Venus	-0° 13' 20.17".
Geocentric longitude of the Sun	47° 56' 12.285".
Geocentric latitude of the Sun	-0° 0' 11.31".
Equatorial parallax of the Sun	8.64".
Equatorial parallax of Venus	30.36".
Semi-diameter true of the Sun	15' 42.7".
Semi-diameter true of Venus	28.81".

Phases	Date and instant in UTC	Position of the contacts		Venus being in the Zenith in
		Longitude	Latitude	Longitude	Latitude
Ingress, exterior contact	the 23 rd at 3h 34m 15.5s	+154° 41.5'	-25° 36.2'	-124° 21.2'	+17° 18.9'
Ingress, interior contact	the 23 rd at 3h 58m 58.0s	+162° 41.7'	-30° 4.6'	-118° 9.0'	+17° 18.5'
Least angular distance	the 23 rd at 6h 8m 40.7s	-142° 19.4'	-59° 56.8'	- 85° 35.0'	+17° 16.3'
Egress, interior contact	the 23 rd at 8h 18m 19.0s	- 26° 43.0'	-70° 30.5'	- 53° 2.1'	+17° 14.1'
Egress, exterior contact	the 23 rd at 8h 43m 1.6s	- 9° 2.1'	-68° 5.9'	- 46° 49.8'	+17° 13.7'

Durations of the general phases

• Duration of the general transit : 5h 8m 46.07s.
• Duration of the transit inside the shadow : 4h 19m 21.03s.

Parameters of the shadow and penumbra cones and minimum elongation

• Semi-diameter of the shadow cone : 42.07 R
• Geocentric distance of the edge of the shadow : 6.15 R
• Geocentric distance of the edge of the penumbra : 8.80 R
• Semi-diameter of the cone of penombra : 44.72 R
• Least topocentric distance : 12' 38.695"

Geocentric phases	Date and instant in UTC	Venus being in the Zenith in		Position Angle P
		Longitude	Latitude
Ingress, exterior contact	the 23 rd at 3h 43m 14.6s	-122° 5.8'	+17° 18.7'	+118° 27.6'
Ingress, interior contact	the 23 rd at 4h 9m 8.4s	-115° 35.7'	+17° 18.3'	+123° 39.9'
Least angular distance	the 23 rd at 6h 8m 38.5s	- 85° 35.5'	+17° 16.3'	---
Egress, interior contact	the 23 rd at 8h 8m 9.9s	- 55° 35.0'	+17° 14.3'	+186° 27.5'
Egress, exterior contact	the 23 rd at 8h 34m 3.7s	- 49° 4.9'	+17° 13.9'	+191° 39.9'

Durations of the geocentric phases

• Duration of the general transit : 4h 50m 49.10s.
• Duration of the transit of the shadow : 3h 59m 1.52s.
• Least geocentric angular distance : 13' 0.362"

URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusN1406.html Last update : March 4th, 2004.