1874 December the 9th
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 -2.92s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1874/12/9 at 4h 39m 48.21s. |
|---|
| Geocentric longitude of Venus |
256° 59' 33.325". |
| Geocentric latitude of Venus |
+0° 14' 0.12". |
| Geocentric longitude of the Sun |
256° 59' 33.325". |
| Geocentric latitude of the Sun |
-0° 0' 0.44". |
| Equatorial parallax of the Sun |
8.93". |
| Equatorial parallax of Venus |
33.27". |
| True semi-diameter of the Sun |
16' 14.6". |
| True semi-diameter of Venus |
31.57". |
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 9 th at 1h 38m 51.3s |
+134° 12.0' |
+35° 28.0' |
-153° 37.3' |
-22° 37.7' |
| Ingress, interior contact |
the 9 th at 2h 6m 33.4s |
+144° 31.4' |
+40° 12.8' |
-146° 39.9' |
-22° 37.4' |
| Least angular distance |
the 9 th at 4h 7m 26.3s |
-150° 4.0' |
+63° 2.5' |
-116° 18.6' |
-22° 35.8' |
| Egress, interior contact |
the 9 th at 6h 8m 16.8s |
- 49° 24.8' |
+62° 12.2' |
- 85° 57.8' |
-22° 34.2' |
| Egress, exterior contact |
the 9 th at 6h 35m 59.0s |
- 33° 42.2' |
+58° 54.5' |
- 79° 0.4' |
-22° 33.8' |
Durations of the general phases
- Duration of the general transit : 4h 57m 7.72s.
- Duration of the transit inside the shadow : 4h 1m 43.38s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 38.75 R
- Geocentric distance of the edge of the shadow : -4.65 R
- Geocentric distance of the edge of the penumbra : -7.24 R
- Semi-diameter of the cone of penombra : 41.34 R
- Least topocentric distance : 13' 25.676"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Venus being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 9 th at 1h 49m 3.9s |
-151° 3.5' |
-22° 37.6' |
+ 49° 11.9' |
| Ingress, interior contact |
the 9 th at 2h 18m 30.8s |
-143° 39.8' |
-22° 37.2' |
+ 43° 6.3' |
| Least angular distance |
the 9 th at 4h 7m 26.1s |
-116° 18.6' |
-22° 35.8' |
--- |
| Egress, interior contact |
the 9 th at 5h 56m 20.3s |
- 88° 57.8' |
-22° 34.3' |
+346° 18.7' |
| Egress, exterior contact |
the 9 th at 6h 25m 47.2s |
- 81° 34.1' |
-22° 33.9' |
+340° 13.1' |
Durations of the geocentric phases
- Duration of the general transit : 4h 36m 43.28s.
- Duration of the transit of the shadow : 3h 37m 49.50s.
- Least geocentric angular distance : 13' 49.949"
Map
Map of visibility of the transit - Mercator projection.
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusP1874.html
Last update : March 22nd, 2004.
|
|
|
