Back to the homepage
   List of Venus transits       Commented and guided tour       Direct links        Iconography       Canon of transits   



1664 November the 4th



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 34.37s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 1664/11/4 at 18h 25m 40.73s.
Geocentric longitude of Mercury 223° 7' 6.604".
Geocentric latitude of Mercury -0° 4' 14.01".
Geocentric longitude of the Sun 223° 7' 6.604".
Geocentric latitude of the Sun -0° 0' 0.93".
Equatorial parallax of the Sun 8.88".
Equatorial parallax of Mercury 13.02".
True semi-diameter of the Sun 16' 9.4".
True semi-diameter of Mercury 4.98".


General phases

Phases Date and instant
in UTC
Position of the contacts Mercury being in the Zenith in
Longitude Latitude Longitude Latitude
Ingress, exterior contact the 4 th at 15h 51m 49.7s - 40° 37.4' -39° 22.6' + 61° 45.6' -15° 57.0'
Ingress, interior contact the 4 th at 15h 53m 34.4s - 40° 15.9' -39° 31.3' + 62° 12.0' -15° 56.9'
Least angular distance the 4 th at 18h 31m 54.8s -138° 52.9' -60° 5.6' +102° 1.6' -15° 52.1'
Egress, interior contact the 4 th at 21h 10m 22.9s -132° 0.3' +10° 27.8' +141° 53.1' -15° 47.2'
Egress, exterior contact the 4 th at 21h 12m 7.6s -131° 37.2' +10° 36.7' +142° 19.5' -15° 47.2'

Durations of the general phases

  • Duration of the general transit : 5h 20m 17.94s.
  • Duration of the transit inside the shadow : 5h 16m 48.59s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 233.41 R
  • Geocentric distance of the edge of the shadow : 172.82 R
  • Geocentric distance of the edge of the penumbra : 175.23 R
  • Semi-diameter of the cone of penombra : 235.82 R
  • Least topocentric distance : 4' 6.243"

Geocentric phases

Geocentric phases Date and instant in UTC Mercury being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 4 th at 15h 52m 33.1s + 61° 56.6' -15° 56.9' +131° 2.1'
Ingress, interior contact the 4 th at 15h 54m 17.8s + 62° 22.9' -15° 56.9' +131° 11.4'
Least angular distance the 4 th at 18h 31m 56.5s +102° 2.0' -15° 52.1' ---
Egress, interior contact the 4 th at 21h 9m 39.5s +141° 42.2' -15° 47.3' +280° 45.4'
Egress, exterior contact the 4 th at 21h 11m 24.2s +142° 8.5' -15° 47.2' +280° 54.7'

Durations of the geocentric phases

  • Duration of the general transit : 5h 18m 51.16s.
  • Duration of the transit of the shadow : 5h 15m 21.74s.
  • Least geocentric angular distance : 4' 10.365"


Send your suggestion to the author of the notes :


URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1664.html
Last update : March 22nd, 2004.