-1269 November the 19th
- 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 33035.02s
Longitudes are counted positively towards West and negatively towards East.
Parameters at the instant of conjunction in longitude
| Conjunction on -1269/11/19 at 13h 10m 52.76s. | |
|---|---|
| Geocentric longitude of Venus | 226° 27' 19.338". |
| Geocentric latitude of Venus | -0° 11' 23.04". |
| Geocentric longitude of the Sun | 226° 27' 19.338". |
| Geocentric latitude of the Sun | +0° 0' 10.08". |
| Equatorial parallax of the Sun | 8.96". |
| Equatorial parallax of Venus | 33.37". |
| Semi-diameter true of the Sun | 16' 17.2". |
| Semi-diameter true of Venus | 31.67". |
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 19 th at 10h 30m 6.5s | -145° 22.9' | -62° 13.3' | - 20° 17.6' | -17° 16.3' |
| Ingress, interior contact | the 19 th at 10h 51m 5.9s | -145° 6.5' | -64° 46.5' | - 15° 1.4' | -17° 15.9' |
| Least angular distance | the 19 th at 13h 37m 8.8s | +147° 40.7' | -59° 25.9' | + 26° 39.8' | -17° 12.9' |
| Egress, interior contact | the 19 th at 16h 23m 15.5s | +163° 48.0' | -18° 14.0' | + 68° 22.0' | -17° 10.0' |
| Egress, exterior contact | the 19 th at 16h 44m 14.7s | +167° 57.1' | -14° 59.1' | + 73° 38.2' | -17° 9.6' |
Durations of the general phases
- Duration of the general transit : 6h 14m 8.24s.
- Duration of the transit inside the shadow : 5h 32m 9.59s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 38.72 R
- Geocentric distance of the edge of the shadow : 10.69 R
- Geocentric distance of the edge of the penumbra : 13.28 R
- Semi-diameter of the cone of penombra : 41.31 R
- Least topocentric distance : 11' 0.178"
Geocentric phases
| Geocentric phases | Date and instant in UTC | Venus being in the Zenith in | Position Angle P | |
|---|---|---|---|---|
| Longitude | Latitude | |||
| Ingress, exterior contact | the 19 th at 10h 38m 2.6s | - 18° 18.1' | -17° 16.1' | +158° 44.2' |
| Ingress, interior contact | the 19 th at 10h 59m 31.0s | - 12° 54.6' | -17° 15.7' | +162° 23.1' |
| Least angular distance | the 19 th at 13h 37m 9.1s | + 26° 39.9' | -17° 12.9' | --- |
| Egress, interior contact | the 19 th at 16h 14m 49.2s | + 66° 14.9' | -17° 10.1' | +249° 30.9' |
| Egress, exterior contact | the 19 th at 16h 36m 17.5s | + 71° 38.4' | -17° 9.7' | +253° 9.8' |
Durations of the geocentric phases
- Duration of the general transit : 5h 58m 14.95s.
- Duration of the transit of the shadow : 5h 15m 18.27s.
- Least geocentric angular distance : 11' 24.536"
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/VenusN1269.html
Last update : March 4th, 2004. |
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