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-2621 May the 20th and the 21st



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 73365.21s
Longitudes are counted positively towards West and negatively towards East.

Parameters at the instant of conjunction in longitude


Conjunction on -2621/5/21 at 3h 38m 8.81s.
Geocentric longitude of Venus 36° 36' 47.200".
Geocentric latitude of Venus -0° 6' 52.98".
Geocentric longitude of the Sun 36° 36' 47.200".
Geocentric latitude of the Sun -0° 0' 31.79".
Equatorial parallax of the Sun 8.64".
Equatorial parallax of Venus 30.45".
True semi-diameter of the Sun 15' 42.7".
True semi-diameter of Venus 28.89".


General phases

Phases Date and instant
in UTC
Position of the contacts Venus being in the Zenith in
Longitude Latitude Longitude Latitude
Ingress, exterior contact the 20 th at 23h 32m 43.6s + 84° 6.5' + 5° 41.1' +175° 7.9' +13° 59.8'
Ingress, interior contact the 20 th at 23h 48m 31.9s + 88° 24.7' + 4° 15.3' +179° 5.9' +13° 59.5'
Least angular distance the 21 st at 3h 24m 7.0s +167° 55.1' -58° 59.9' -126° 46.8' +13° 55.7'
Egress, interior contact the 21 st at 6h 59m 39.6s - 0° 15.2' -49° 47.7' - 72° 40.1' +13° 51.9'
Egress, exterior contact the 21 st at 7h 15m 27.9s + 4° 31.2' -48° 26.2' - 68° 42.0' +13° 51.6'

Durations of the general phases

  • Duration of the general transit : 7h 42m 44.39s.
  • Duration of the transit inside the shadow : 7h 11m 7.71s.

Parameters of the shadow and penumbra cones and minimum elongation

  • Semi-diameter of the shadow cone : 41.90 R
  • Geocentric distance of the edge of the shadow : 24.61 R
  • Geocentric distance of the edge of the penumbra : 27.26 R
  • Semi-diameter of the cone of penombra : 44.55 R
  • Least topocentric distance : 5' 55.340"

Geocentric phases

Geocentric phases Date and instant in UTC Venus being in the Zenith in Position Angle P
LongitudeLatitude
Ingress, exterior contact the 20 th at 23h 38m 40.3s +176° 37.4' +13° 59.7' + 84° 42.5'
Ingress, interior contact the 20 th at 23h 54m 32.6s -179° 23.5' +13° 59.4' + 86° 14.8'
Least angular distance the 21 st at 3h 24m 6.4s -126° 46.9' +13° 55.7' ---
Egress, interior contact the 21 st at 6h 53m 39.5s - 74° 10.5' +13° 52.0' +217° 36.4'
Egress, exterior contact the 21 st at 7h 9m 31.9s - 70° 11.4' +13° 51.7' +219° 8.7'

Durations of the geocentric phases

  • Duration of the general transit : 7h 30m 51.61s.
  • Duration of the transit of the shadow : 6h 59m 6.87s.
  • Least geocentric angular distance : 6' 17.092"


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URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusN2621.html
Last update : March 22nd, 2004.