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1776 November the 2nd



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 16.42s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 1776/11/2 at 21h 12m 8.87s.
Geocentric longitude of Mercury 221° 3' 47.708".
Geocentric latitude of Mercury -0° 15' 54.24".
Geocentric longitude of the Sun 221° 3' 47.708".
Geocentric latitude of the Sun -0° 0' 0.03".
Equatorial parallax of the Sun 8.87".
Equatorial parallax of Mercury 13.03".
True semi-diameter of the Sun 16' 8.4".
True semi-diameter of Mercury 4.99".


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 2 nd at 20h 52m 41.6s - 81° 32.6' -71° 33.8' +137° 17.4' -15° 25.6'
Ingress, interior contact the 2 nd at 20h 59m 45.5s - 85° 16.3' -70° 2.9' +139° 4.0' -15° 25.4'
Least angular distance the 2 nd at 21h 35m 48.3s - 95° 5.6' -60° 9.8' +148° 7.9' -15° 24.2'
Egress, interior contact the 2 nd at 22h 12m 25.5s - 95° 47.7' -48° 41.7' +157° 20.6' -15° 23.1'
Egress, exterior contact the 2 nd at 22h 19m 29.3s - 95° 21.7' -46° 30.4' +159° 7.2' -15° 22.9'

Durations of the general phases

  • Duration of the general transit : 1h 26m 47.71s.
  • Duration of the transit inside the shadow : 1h 12m 39.93s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 231.74 R
  • Geocentric distance of the edge of the shadow : 4.72 R
  • Geocentric distance of the edge of the penumbra : 7.12 R
  • Semi-diameter of the cone of penombra : 234.14 R
  • Least topocentric distance : 15' 39.677"

Geocentric phases

Geocentric phases Date and instant in UTC Mercury being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 2 nd at 20h 55m 29.4s +137° 59.6' -15° 25.5' +192° 23.6'
Ingress, interior contact the 2 nd at 21h 3m 6.8s +139° 54.6' -15° 25.3' +194° 58.0'
Least angular distance the 2 nd at 21h 36m 6.0s +148° 12.4' -15° 24.2' ---
Egress, interior contact the 2 nd at 22h 9m 4.1s +156° 29.9' -15° 23.2' +218° 4.4'
Egress, exterior contact the 2 nd at 22h 16m 41.4s +158° 24.9' -15° 23.0' +220° 38.7'

Durations of the geocentric phases

  • Duration of the general transit : 1h 21m 12.01s.
  • Duration of the transit of the shadow : 1h 5m 57.26s.
  • Least geocentric angular distance : 15' 43.822"


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URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1776.html
Last update : March 22nd, 2004.