-669 May the 22nd
- 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 20319.13s
Longitudes are counted positively towards West and negatively towards East.
Parameters at the instant of conjunction in longitude
| Conjunction on -669/5/22 at 14h 1m 46.65s. | |
|---|---|
| Geocentric longitude of Venus | 52° 39' 25.162". |
| Geocentric latitude of Venus | +0° 2' 13.52". |
| Geocentric longitude of the Sun | 52° 39' 25.162". |
| Geocentric latitude of the Sun | -0° 0' 5.39". |
| Equatorial parallax of the Sun | 8.64". |
| Equatorial parallax of Venus | 30.33". |
| Semi-diameter true of the Sun | 15' 43.0". |
| Semi-diameter true of Venus | 28.78". |
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 22 nd at 10h 0m 14.0s | -128° 47.9' | +29° 44.2' | - 28° 4.0' | +18° 47.7' |
| Ingress, interior contact | the 22 nd at 10h 14m 48.7s | -125° 22.2' | +30° 11.4' | - 24° 24.4' | +18° 47.5' |
| Least angular distance | the 22 nd at 14h 6m 52.0s | +160° 33.5' | +60° 30.9' | + 33° 51.6' | +18° 43.7' |
| Egress, interior contact | the 22 nd at 17h 58m 55.0s | +176° 51.2' | -14° 6.9' | + 92° 7.4' | +18° 40.0' |
| Egress, exterior contact | the 22 nd at 18h 13m 29.6s | -179° 40.7' | -14° 34.6' | + 95° 47.0' | +18° 39.8' |
Durations of the general phases
- Duration of the general transit : 8h 13m 15.66s.
- Duration of the transit inside the shadow : 7h 44m 6.28s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 42.15 R
- Geocentric distance of the edge of the shadow : -35.81 R
- Geocentric distance of the edge of the penumbra : -38.46 R
- Semi-diameter of the cone of penombra : 44.80 R
- Least topocentric distance : 1' 55.778"
Geocentric phases
| Geocentric phases | Date and instant in UTC | Venus being in the Zenith in | Position Angle P | |
|---|---|---|---|---|
| Longitude | Latitude | |||
| Ingress, exterior contact | the 22 nd at 10h 5m 43.2s | - 26° 41.3' | +18° 47.6' | + 58° 25.3' |
| Ingress, interior contact | the 22 nd at 10h 20m 18.3s | - 23° 1.6' | +18° 47.4' | + 57° 54.7' |
| Least angular distance | the 22 nd at 14h 6m 50.9s | + 33° 51.3' | +18° 43.7' | --- |
| Egress, interior contact | the 22 nd at 17h 53m 25.1s | + 90° 44.6' | +18° 40.1' | +255° 21.6' |
| Egress, exterior contact | the 22 nd at 18h 8m 0.2s | + 94° 24.3' | +18° 39.8' | +254° 51.0' |
Durations of the geocentric phases
- Duration of the general transit : 8h 2m 17.04s.
- Duration of the transit of the shadow : 7h 33m 6.81s.
- Least geocentric angular distance : 2' 17.415"
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/VenusN669.html
Last update : March 4th, 2004. |
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