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2012 June the 5th and the 6th



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 67.18s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 2012/6/6 at 1h 8m 58.03s.
Geocentric longitude of Venus 75° 44' 46.399".
Geocentric latitude of Venus +0° 9' 20.53".
Geocentric longitude of the Sun 75° 44' 46.399".
Geocentric latitude of the Sun +0° 0' 0.01".
Equatorial parallax of the Sun 8.67".
Equatorial parallax of Venus 30.46".
True semi-diameter of the Sun 15' 45.7".
True semi-diameter of Venus 28.90".


General phases

Phases Date and instant
in UTC
Position of the contacts Venus being in the Zenith in
Longitude Latitude Longitude Latitude
Ingress, exterior contact the 5 th at 22h 3m 7.1s + 37° 38.6' +43° 51.8' +150° 55.2' +22° 52.1'
Ingress, interior contact the 5 th at 22h 20m 43.0s + 40° 12.4' +45° 52.1' +155° 20.4' +22° 51.8'
Least angular distance the 6 th at 1h 29m 35.1s - 11° 10.4' +63° 21.1' -157° 13.7' +22° 49.5'
Egress, interior contact the 6 th at 4h 38m 29.0s - 11° 23.0' +20° 4.6' -109° 47.3' +22° 47.1'
Egress, exterior contact the 6 th at 4h 56m 4.8s - 8° 1.5' +17° 53.1' -105° 22.2' +22° 46.9'

Durations of the general phases

  • Duration of the general transit : 6h 52m 57.69s.
  • Duration of the transit inside the shadow : 6h 17m 45.94s.

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 : -16.63 R
  • Geocentric distance of the edge of the penumbra : -19.28 R
  • Semi-diameter of the cone of penombra : 44.72 R
  • Least topocentric distance : 8' 52.647"

Geocentric phases

Geocentric phases Date and instant in UTC Venus being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 5 th at 22h 9m 41.0s +152° 34.1' +22° 52.0' + 40° 40.5'
Ingress, interior contact the 5 th at 22h 27m 29.1s +157° 2.4' +22° 51.8' + 38° 8.7'
Least angular distance the 6 th at 1h 29m 35.7s -157° 13.5' +22° 49.5' ---
Egress, interior contact the 6 th at 4h 31m 42.3s -111° 29.5' +22° 47.2' +292° 43.4'
Egress, exterior contact the 6 th at 4h 49m 30.5s -107° 1.2' +22° 46.9' +290° 11.6'

Durations of the geocentric phases

  • Duration of the general transit : 6h 39m 49.47s.
  • Duration of the transit of the shadow : 6h 4m 13.23s.
  • Least geocentric angular distance : 9' 14.383"

Map

Map of visibility of the transit - Mercator projection.


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URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusP2012.html
Last update : March 22nd, 2004.