-1520 November the 20th and the 21st
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 39300.17s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on -1520/11/21 at 0h 31m 5.80s. |
|---|
| Geocentric longitude of Venus |
226° 59' 51.422". |
| Geocentric latitude of Venus |
+0° 14' 55.40". |
| Geocentric longitude of the Sun |
226° 59' 51.422". |
| Geocentric latitude of the Sun |
+0° 0' 12.71". |
| Equatorial parallax of the Sun |
8.95". |
| Equatorial parallax of Venus |
33.33". |
| True semi-diameter of the Sun |
16' 17.2". |
| True semi-diameter of Venus |
31.62". |
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 20 th at 21h 43m 34.5s |
+ 68° 29.4' |
+30° 15.3' |
+147° 43.0' |
-17° 1.6' |
| Ingress, interior contact |
the 20 th at 22h 14m 52.2s |
+ 79° 3.9' |
+36° 19.0' |
+155° 34.3' |
-17° 1.1' |
| Least angular distance |
the 20 th at 23h 57m 39.9s |
+123° 14.2' |
+59° 22.2' |
-178° 37.2' |
-16° 59.2' |
| Egress, interior contact |
the 21 st at 1h 40m 26.8s |
-152° 9.9' |
+72° 40.4' |
-152° 49.0' |
-16° 57.4' |
| Egress, exterior contact |
the 21 st at 2h 11m 44.5s |
-123° 42.1' |
+71° 28.5' |
-144° 57.6' |
-16° 56.9' |
Durations of the general phases
- Duration of the general transit : 4h 28m 9.97s.
- Duration of the transit inside the shadow : 3h 25m 34.69s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 38.79 R
- Geocentric distance of the edge of the shadow : -3.03 R
- Geocentric distance of the edge of the penumbra : -5.62 R
- Semi-diameter of the cone of penombra : 41.39 R
- Least topocentric distance : 14' 7.492"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Venus being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 20 th at 21h 54m 54.2s |
+150° 33.6' |
-17° 1.4' |
+ 56° 4.2' |
| Ingress, interior contact |
the 20 th at 22h 29m 7.7s |
+159° 9.1' |
-17° 0.8' |
+ 48° 37.7' |
| Least angular distance |
the 20 th at 23h 57m 40.3s |
-178° 37.1' |
-16° 59.2' |
--- |
| Egress, interior contact |
the 21 st at 1h 26m 12.9s |
-156° 23.4' |
-16° 57.7' |
+ 3° 1.0' |
| Egress, exterior contact |
the 21 st at 2h 0m 26.3s |
-147° 47.8' |
-16° 57.1' |
+355° 34.5' |
Durations of the geocentric phases
- Duration of the general transit : 4h 5m 32.17s.
- Duration of the transit of the shadow : 2h 57m 5.16s.
- Least geocentric angular distance : 14' 31.805"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusN1520.html
Last update : March 22nd, 2004.
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