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1615 May the 3rd



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 92.68s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on 1615/5/3 at 9h 47m 47.63s.
Geocentric longitude of Mercury 42° 26' 9.025".
Geocentric latitude of Mercury +0° 7' 56.68".
Geocentric longitude of the Sun 42° 26' 9.025".
Geocentric latitude of the Sun +0° 0' 0.54".
Equatorial parallax of the Sun 8.71".
Equatorial parallax of Mercury 15.77".
True semi-diameter of the Sun 15' 50.3".
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 3 rd at 6h 39m 18.4s +168° 26.1' +54° 24.9' - 79° 26.7' +15° 47.4'
Ingress, interior contact the 3 rd at 6h 42m 45.1s +168° 58.4' +54° 46.3' - 78° 34.8' +15° 47.3'
Least angular distance the 3 rd at 10h 9m 12.0s + 89° 43.9' +58° 18.6' - 26° 45.1' +15° 43.3'
Egress, interior contact the 3 rd at 13h 35m 21.2s +114° 47.5' + 1° 26.3' + 25° 0.0' +15° 39.4'
Egress, exterior contact the 3 rd at 13h 38m 48.0s +115° 32.3' + 1° 2.8' + 25° 51.9' +15° 39.3'

Durations of the general phases

  • Duration of the general transit : 6h 59m 29.62s.
  • Duration of the transit inside the shadow : 6h 52m 36.12s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 133.80 R
  • Geocentric distance of the edge of the shadow : -67.43 R
  • Geocentric distance of the edge of the penumbra : -69.14 R
  • Semi-diameter of the cone of penombra : 135.51 R
  • Least topocentric distance : 7' 41.356"

Geocentric phases

Geocentric phases Date and instant in UTC Mercury being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 3 rd at 6h 41m 18.8s - 78° 56.4' +15° 47.3' + 32° 27.7'
Ingress, interior contact the 3 rd at 6h 44m 46.0s - 78° 4.4' +15° 47.3' + 32° 3.1'
Least angular distance the 3 rd at 10h 9m 9.1s - 26° 45.9' +15° 43.3' ---
Egress, interior contact the 3 rd at 13h 33m 19.7s + 24° 29.5' +15° 39.4' +271° 43.6'
Egress, exterior contact the 3 rd at 13h 36m 47.0s + 25° 21.6' +15° 39.3' +271° 18.9'

Durations of the geocentric phases

  • Duration of the general transit : 6h 55m 28.16s.
  • Duration of the transit of the shadow : 6h 48m 33.70s.
  • Least geocentric angular distance : 7' 48.397"


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