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



-1755 November the 18th



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 45669.96s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on -1755/11/18 at 12h 17m 28.54s.
Geocentric longitude of Venus 222° 34' 46.429".
Geocentric latitude of Venus -0° 7' 45.73".
Geocentric longitude of the Sun 222° 34' 46.429".
Geocentric latitude of the Sun +0° 0' 15.04".
Equatorial parallax of the Sun 8.96".
Equatorial parallax of Venus 33.34".
True semi-diameter of the Sun 16' 17.3".
True semi-diameter of Venus 31.64".


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 18 th at 8h 53m 57.3s -155° 24.6' -51° 43.4' - 44° 40.0' -16° 5.8'
Ingress, interior contact the 18 th at 9h 11m 19.3s -152° 30.9' -53° 27.4' - 40° 18.4' -16° 5.5'
Least angular distance the 18 th at 12h 35m 38.7s +129° 12.3' -59° 3.3' + 10° 59.3' -16° 1.8'
Egress, interior contact the 18 th at 16h 0m 0.7s +152° 32.8' - 2° 13.5' + 62° 17.6' -15° 58.0'
Egress, exterior contact the 18 th at 16h 17m 22.5s +156° 20.6' - 0° 20.5' + 66° 39.2' -15° 57.7'

Durations of the general phases

  • Duration of the general transit : 7h 23m 25.14s.
  • Duration of the transit inside the shadow : 6h 48m 41.35s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 38.78 R
  • Geocentric distance of the edge of the shadow : 19.31 R
  • Geocentric distance of the edge of the penumbra : 21.90 R
  • Semi-diameter of the cone of penombra : 41.37 R
  • Least topocentric distance : 7' 30.512"

Geocentric phases

Geocentric phases Date and instant in UTC Venus being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 18 th at 9h 0m 35.9s - 42° 59.9' -16° 5.7' +145° 12.5'
Ingress, interior contact the 18 th at 9h 18m 5.5s - 38° 36.4' -16° 5.4' +147° 16.2'
Least angular distance the 18 th at 12h 35m 39.5s + 10° 59.5' -16° 1.8' ---
Egress, interior contact the 18 th at 15h 53m 13.6s + 60° 35.5' -15° 58.2' +266° 52.2'
Egress, exterior contact the 18 th at 16h 10m 43.2s + 64° 58.9' -15° 57.8' +268° 55.8'

Durations of the geocentric phases

  • Duration of the general transit : 7h 10m 7.35s.
  • Duration of the transit of the shadow : 6h 35m 8.14s.
  • Least geocentric angular distance : 7' 54.841"


Send your suggestion to the author of the notes :


URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusN1755.html
Last update : March 22nd, 2004.