-1163 May the 23rd
- Parameters at the instant of the conjunction in longitude.
- General phases.
- Geocentric phases.
- Back to the canon of the transits of Venus.
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 30567.26s
Longitudes are counted positively towards West and negatively towards East.
Parameters at the instant of conjunction in longitude
| Conjunction on -1163/5/23 at 11h 41m 32.50s. | |
|---|---|
| Geocentric longitude of Venus | 50° 12' 47.224". |
| Geocentric latitude of Venus | -0° 14' 35.37". |
| Geocentric longitude of the Sun | 50° 12' 47.224". |
| Geocentric latitude of the Sun | -0° 0' 7.93". |
| Equatorial parallax of the Sun | 8.64". |
| Equatorial parallax of Venus | 30.36". |
| Semi-diameter true of the Sun | 15' 42.8". |
| Semi-diameter true of Venus | 28.80". |
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 23 rd at 9h 4m 11.4s | -118° 58.2' | -33° 39.3' | - 41° 53.2' | +17° 54.0' |
| Ingress, interior contact | the 23 rd at 9h 36m 7.9s | -107° 41.8' | -39° 53.3' | - 33° 52.0' | +17° 53.4' |
| Least angular distance | the 23 rd at 11h 9m 44.3s | - 65° 18.6' | -60° 10.0' | - 10° 21.8' | +17° 51.9' |
| Egress, interior contact | the 23 rd at 12h 43m 15.7s | + 10° 53.9' | -71° 47.1' | + 13° 7.1' | +17° 50.4' |
| Egress, exterior contact | the 23 rd at 13h 15m 12.3s | + 39° 45.4' | -70° 50.8' | + 21° 8.3' | +17° 49.8' |
Durations of the general phases
- Duration of the general transit : 4h 11m 0.90s.
- Duration of the transit inside the shadow : 3h 7m 7.83s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 42.08 R
- Geocentric distance of the edge of the shadow : 2.57 R
- Geocentric distance of the edge of the penumbra : 5.22 R
- Semi-diameter of the cone of penombra : 44.74 R
- Least topocentric distance : 13' 56.460"
Geocentric phases
| Geocentric phases | Date and instant in UTC | Venus being in the Zenith in | Position Angle P | |
|---|---|---|---|---|
| Longitude | Latitude | |||
| Ingress, exterior contact | the 23 rd at 9h 15m 22.9s | - 39° 4.6' | +17° 53.8' | +127° 47.0' |
| Ingress, interior contact | the 23 rd at 9h 50m 46.4s | - 30° 11.4' | +17° 53.2' | +135° 37.7' |
| Least angular distance | the 23 rd at 11h 9m 43.3s | - 10° 22.1' | +17° 51.9' | --- |
| Egress, interior contact | the 23 rd at 12h 28m 38.6s | + 9° 26.8' | +17° 50.6' | +175° 56.6' |
| Egress, exterior contact | the 23 rd at 13h 4m 2.1s | + 18° 20.0' | +17° 50.0' | +183° 47.4' |
Durations of the geocentric phases
- Duration of the general transit : 3h 48m 39.21s.
- Duration of the transit of the shadow : 2h 37m 52.15s.
- Least geocentric angular distance : 14' 18.122"
Send your suggestion to the author of the notes : Patrick Rocher, rocher@imcce.fr
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URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusN1163.html
Last update : March 4th, 2004. |
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