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1999 November the 15th



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 64.00s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 1999/11/15 at 22h 4m 25.81s.
Geocentric longitude of Mercury 233° 5' 35.239".
Geocentric latitude of Mercury +0° 16' 13.45".
Geocentric longitude of the Sun 233° 5' 35.239".
Geocentric latitude of the Sun +0° 0' 0.34".
Equatorial parallax of the Sun 8.89".
Equatorial parallax of Mercury 12.99".
True semi-diameter of the Sun 16' 10.2".
True semi-diameter of Mercury 4.97".


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 15 th at 21h 10m 57.6s + 78° 19.6' +52° 11.9' +141° 25.8' -18° 18.5'
Ingress, interior contact the 15 th at 21h 22m 14.0s + 84° 47.4' +55° 26.6' +144° 16.0' -18° 18.2'
Least angular distance the 15 th at 21h 40m 44.0s + 97° 1.6' +60° 32.8' +148° 55.3' -18° 17.7'
Egress, interior contact the 15 th at 21h 59m 32.8s +112° 12.6' +65° 6.9' +153° 39.3' -18° 17.1'
Egress, exterior contact the 15 th at 22h 10m 49.3s +122° 54.3' +67° 21.4' +156° 29.4' -18° 16.8'

Durations of the general phases

  • Duration of the general transit : 0h 59m 51.77s.
  • Duration of the transit inside the shadow : 0h 37m 18.80s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 235.32 R
  • Geocentric distance of the edge of the shadow : -0.56 R
  • Geocentric distance of the edge of the penumbra : -2.98 R
  • Semi-diameter of the cone of penombra : 237.74 R
  • Least topocentric distance : 15' 58.900"

Geocentric phases

Geocentric phases Date and instant in UTC Mercury being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 15 th at 21h 15m 0.8s +142° 27.0' -18° 18.4' + 32° 3.6'
Ingress, interior contact the 15 th at 21h 29m 44.8s +146° 9.4' -18° 18.0' + 26° 53.8'
Least angular distance the 15 th at 21h 40m 54.0s +148° 57.8' -18° 17.6' ---
Egress, interior contact the 15 th at 21h 52m 2.4s +151° 45.9' -18° 17.3' + 18° 59.5'
Egress, exterior contact the 15 th at 22h 6m 46.3s +155° 28.3' -18° 16.9' + 13° 49.8'

Durations of the geocentric phases

  • Duration of the general transit : 0h 51m 45.55s.
  • Duration of the transit of the shadow : 0h 22m 17.57s.
  • Least geocentric angular distance : 16' 2.990"


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URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1999.html
Last update : March 22nd, 2004.