-2613 May 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 73079.45s
Longitudes are counted positively towards West and negatively towards East.
Parameters at the instant of conjunction in longitude
| Conjunction on -2613/5/18 at 19h 54m 21.17s. | |
|---|---|
| Geocentric longitude of Venus | 34° 27' 21.281". |
| Geocentric latitude of Venus | +0° 12' 45.23". |
| Geocentric longitude of the Sun | 34° 27' 21.281". |
| Geocentric latitude of the Sun | -0° 0' 31.37". |
| Equatorial parallax of the Sun | 8.64". |
| Equatorial parallax of Venus | 30.42". |
| Semi-diameter true of the Sun | 15' 42.6". |
| Semi-diameter true of Venus | 28.86". |
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 17h 51m 28.8s | - 55° 35.5' | +74° 10.8' | + 89° 54.9' | +13° 32.1' |
| Ingress, interior contact | the 18 th at 18h 16m 45.8s | - 66° 34.9' | +76° 14.7' | + 96° 15.7' | +13° 31.7' |
| Least angular distance | the 18 th at 20h 23m 37.0s | -119° 5.6' | +58° 55.7' | +128° 6.5' | +13° 29.4' |
| Egress, interior contact | the 18 th at 22h 30m 28.4s | -103° 6.1' | +28° 12.6' | +159° 57.2' | +13° 27.1' |
| Egress, exterior contact | the 18 th at 22h 55m 45.4s | - 98° 10.5' | +23° 28.2' | +166° 18.1' | +13° 26.7' |
Durations of the general phases
- Duration of the general transit : 5h 4m 16.61s.
- Duration of the transit inside the shadow : 4h 13m 42.56s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 41.95 R
- Geocentric distance of the edge of the shadow : -5.77 R
- Geocentric distance of the edge of the penumbra : -8.42 R
- Semi-diameter of the cone of penombra : 44.60 R
- Least topocentric distance : 12' 46.349"
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 18h 0m 38.3s | + 92° 12.8' | +13° 32.0' | + 7° 13.3' |
| Ingress, interior contact | the 18 th at 18h 27m 13.3s | + 98° 53.2' | +13° 31.5' | + 1° 50.9' |
| Least angular distance | the 18 th at 20h 23m 38.4s | +128° 6.8' | +13° 29.4' | --- |
| Egress, interior contact | the 18 th at 22h 19m 59.4s | +157° 19.3' | +13° 27.3' | +301° 6.0' |
| Egress, exterior contact | the 18 th at 22h 46m 34.4s | +163° 59.8' | +13° 26.8' | +295° 43.6' |
Durations of the geocentric phases
- Duration of the general transit : 4h 45m 56.19s.
- Duration of the transit of the shadow : 3h 52m 46.12s.
- Least geocentric angular distance : 13' 8.077"
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/VenusN2613.html
Last update : March 4th, 2004. |
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