-2378 May 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 64930.17s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on -2378/5/21 at 9h 14m 58.79s. |
|---|
| Geocentric longitude of Venus |
38° 52' 14.527". |
| Geocentric latitude of Venus |
-0° 8' 6.84". |
| Geocentric longitude of the Sun |
38° 52' 14.527". |
| Geocentric latitude of the Sun |
-0° 0' 25.61". |
| Equatorial parallax of the Sun |
8.64". |
| Equatorial parallax of Venus |
30.43". |
| True semi-diameter of the Sun |
15' 42.7". |
| True semi-diameter of Venus |
28.87". |
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 21 st at 5h 16m 13.2s |
+171° 24.4' |
+ 0° 12.2' |
- 98° 56.3' |
+14° 42.6' |
| Ingress, interior contact |
the 21 st at 5h 32m 42.0s |
+175° 59.6' |
- 1° 35.7' |
- 94° 48.1' |
+14° 42.3' |
| Least angular distance |
the 21 st at 8h 58m 3.3s |
-106° 52.2' |
-59° 10.9' |
- 43° 14.8' |
+14° 38.7' |
| Egress, interior contact |
the 21 st at 12h 23m 21.9s |
+ 76° 39.6' |
-53° 57.8' |
+ 8° 17.9' |
+14° 35.0' |
| Egress, exterior contact |
the 21 st at 12h 39m 50.8s |
+ 82° 5.0' |
-52° 17.6' |
+ 12° 26.1' |
+14° 34.7' |
Durations of the general phases
- Duration of the general transit : 7h 23m 37.58s.
- Duration of the transit inside the shadow : 6h 50m 39.89s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 41.94 R
- Geocentric distance of the edge of the shadow : 21.00 R
- Geocentric distance of the edge of the penumbra : 23.65 R
- Semi-diameter of the cone of penombra : 44.59 R
- Least topocentric distance : 7' 14.541"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Venus being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 21 st at 5h 22m 24.4s |
- 97° 23.1' |
+14° 42.5' |
+ 90° 27.5' |
| Ingress, interior contact |
the 21 st at 5h 38m 59.9s |
- 93° 13.2' |
+14° 42.2' |
+ 92° 24.4' |
| Least angular distance |
the 21 st at 8h 58m 2.4s |
- 43° 15.0' |
+14° 38.7' |
--- |
| Egress, interior contact |
the 21 st at 12h 17m 4.8s |
+ 6° 43.2' |
+14° 35.1' |
+212° 36.2' |
| Egress, exterior contact |
the 21 st at 12h 33m 40.4s |
+ 10° 53.1' |
+14° 34.8' |
+214° 33.1' |
Durations of the geocentric phases
- Duration of the general transit : 7h 11m 16.07s.
- Duration of the transit of the shadow : 6h 38m 4.91s.
- Least geocentric angular distance : 7' 36.278"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/VenusN2378.html
Last update : March 22nd, 2004.
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