-2241 November the 18th
- 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 60388.17s
Longitudes are counted positively towards West and negatively towards East.
Parameters at the instant of conjunction in longitude
| Conjunction on -2241/11/18 at 10h 49m 58.19s. | |
|---|---|
| Geocentric longitude of Venus | 218° 43' 17.199". |
| Geocentric latitude of Venus | -0° 4' 4.78". |
| Geocentric longitude of the Sun | 218° 43' 17.199". |
| Geocentric latitude of the Sun | +0° 0' 22.90". |
| Equatorial parallax of the Sun | 8.96". |
| Equatorial parallax of Venus | 33.30". |
| Semi-diameter true of the Sun | 16' 17.3". |
| Semi-diameter true of Venus | 31.59". |
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 18 th at 6h 58m 48.5s | -176° 49.7' | -41° 27.2' | - 73° 50.6' | -14° 50.9' |
| Ingress, interior contact | the 18 th at 7h 14m 38.0s | -173° 20.0' | -42° 22.8' | - 69° 52.2' | -14° 50.6' |
| Least angular distance | the 18 th at 11h 0m 3.2s | +102° 13.3' | -58° 43.2' | - 13° 16.9' | -14° 46.4' |
| Egress, interior contact | the 18 th at 14h 45m 29.8s | +129° 45.8' | +11° 52.2' | + 43° 18.9' | -14° 42.2' |
| Egress, exterior contact | the 18 th at 15h 1m 19.3s | +133° 26.7' | +12° 49.6' | + 47° 17.2' | -14° 41.9' |
Durations of the general phases
- Duration of the general transit : 8h 2m 30.79s.
- Duration of the transit inside the shadow : 7h 30m 51.78s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 38.85 R
- Geocentric distance of the edge of the shadow : 27.99 R
- Geocentric distance of the edge of the penumbra : 30.58 R
- Semi-diameter of the cone of penombra : 41.45 R
- Least topocentric distance : 4' 0.120"
Geocentric phases
| Geocentric phases | Date and instant in UTC | Venus being in the Zenith in | Position Angle P | |
|---|---|---|---|---|
| Longitude | Latitude | |||
| Ingress, exterior contact | the 18 th at 7h 4m 53.2s | - 72° 19.0' | -14° 50.8' | +133° 20.7' |
| Ingress, interior contact | the 18 th at 7h 20m 44.5s | - 68° 20.2' | -14° 50.5' | +134° 22.9' |
| Least angular distance | the 18 th at 11h 0m 3.7s | - 13° 16.7' | -14° 46.4' | --- |
| Egress, interior contact | the 18 th at 14h 39m 22.8s | + 41° 46.7' | -14° 42.3' | +281° 47.5' |
| Egress, exterior contact | the 18 th at 14h 55m 14.1s | + 45° 45.5' | -14° 42.0' | +282° 49.7' |
Durations of the geocentric phases
- Duration of the general transit : 7h 50m 20.92s.
- Duration of the transit of the shadow : 7h 18m 38.31s.
- Least geocentric angular distance : 4' 24.403"
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/VenusN2241.html
Last update : March 4th, 2004. |
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