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



2450 May the 14th



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 1164.39s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 2450/5/14 at 19h 11m 57.01s.
Geocentric longitude of Mercury 54° 26' 57.328".
Geocentric latitude of Mercury -0° 4' 39.59".
Geocentric longitude of the Sun 54° 26' 57.328".
Geocentric latitude of the Sun +0° 0' 0.40".
Equatorial parallax of the Sun 8.72".
Equatorial parallax of Mercury 15.76".
True semi-diameter of the Sun 15' 51.1".
True semi-diameter of Mercury 6.03".


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 14 th at 15h 9m 46.3s - 44° 5.8' + 7° 44.1' + 47° 55.2' +18° 50.1'
Ingress, interior contact the 14 th at 15h 12m 53.8s - 43° 14.8' + 7° 31.6' + 48° 42.3' +18° 50.0'
Least angular distance the 14 th at 18h 59m 23.2s + 51° 11.8' -59° 28.7' +105° 34.1' +18° 46.0'
Egress, interior contact the 14 th at 22h 45m 38.6s -124° 10.9' -38° 41.2' +162° 22.5' +18° 41.9'
Egress, exterior contact the 14 th at 22h 48m 46.2s -123° 17.3' -38° 29.2' +163° 9.6' +18° 41.8'

Durations of the general phases

  • Duration of the general transit : 7h 38m 59.96s.
  • Duration of the transit inside the shadow : 7h 32m 44.72s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 134.13 R
  • Geocentric distance of the edge of the shadow : 95.05 R
  • Geocentric distance of the edge of the penumbra : 96.76 R
  • Semi-diameter of the cone of penombra : 135.84 R
  • Least topocentric distance : 4' 28.320"

Geocentric phases

Geocentric phases Date and instant in UTC Mercury being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 14 th at 15h 11m 35.7s + 48° 22.6' +18° 50.1' + 82° 0.2'
Ingress, interior contact the 14 th at 15h 14m 43.4s + 49° 9.8' +18° 50.0' + 82° 13.5'
Least angular distance the 14 th at 18h 59m 19.5s +105° 33.2' +18° 46.0' ---
Egress, interior contact the 14 th at 22h 43m 48.9s +161° 55.0' +18° 41.9' +228° 37.9'
Egress, exterior contact the 14 th at 22h 46m 56.6s +162° 42.1' +18° 41.9' +228° 51.2'

Durations of the geocentric phases

  • Duration of the general transit : 7h 35m 20.92s.
  • Duration of the transit of the shadow : 7h 29m 5.43s.
  • Least geocentric angular distance : 4' 35.349"


Send your suggestion to the author of the notes :


URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP2450.html
Last update : March 22nd, 2004.