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1848 November the 9th



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 6.92s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 1848/11/9 at 13h 51m 35.46s.
Geocentric longitude of Mercury 227° 20' 5.299".
Geocentric latitude of Mercury +0° 2' 44.47".
Geocentric longitude of the Sun 227° 20' 5.299".
Geocentric latitude of the Sun -0° 0' 0.27".
Equatorial parallax of the Sun 8.89".
Equatorial parallax of Mercury 13.01".
True semi-diameter of the Sun 16' 9.6".
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 9 th at 11h 4m 31.6s -103° 51.7' -14° 47.1' - 10° 8.8' -17° 3.5'
Ingress, interior contact the 9 th at 11h 6m 14.0s -103° 24.7' -14° 41.2' - 9° 43.1' -17° 3.4'
Least angular distance the 9 th at 13h 47m 32.5s - 26° 23.8' +60° 19.1' + 30° 51.5' -16° 58.7'
Egress, interior contact the 9 th at 16h 28m 55.7s +149° 9.3' +32° 38.6' + 71° 27.3' -16° 53.9'
Egress, exterior contact the 9 th at 16h 30m 38.0s +149° 37.0' +32° 32.9' + 71° 53.0' -16° 53.9'

Durations of the general phases

  • Duration of the general transit : 5h 26m 6.40s.
  • Duration of the transit inside the shadow : 5h 22m 41.73s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 234.01 R
  • Geocentric distance of the edge of the shadow : -194.48 R
  • Geocentric distance of the edge of the penumbra : -196.89 R
  • Semi-diameter of the cone of penombra : 236.43 R
  • Least topocentric distance : 2' 38.876"

Geocentric phases

Geocentric phases Date and instant in UTC Mercury being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 9 th at 11h 5m 14.0s - 9° 58.2' -17° 3.4' +105° 19.9'
Ingress, interior contact the 9 th at 11h 6m 56.4s - 9° 32.4' -17° 3.4' +105° 13.7'
Least angular distance the 9 th at 13h 47m 33.7s + 30° 51.8' -16° 58.7' ---
Egress, interior contact the 9 th at 16h 28m 13.4s + 71° 16.6' -16° 53.9' +304° 17.7'
Egress, exterior contact the 9 th at 16h 29m 55.7s + 71° 42.4' -16° 53.9' +304° 11.6'

Durations of the geocentric phases

  • Duration of the general transit : 5h 24m 41.69s.
  • Duration of the transit of the shadow : 5h 21m 17.00s.
  • Least geocentric angular distance : 2' 42.988"


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URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1848.html
Last update : March 22nd, 2004.