1940 November the 11th and the 12th
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 24.01s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1940/11/11 at 23h 30m 14.81s. |
|---|
| Geocentric longitude of Mercury |
229° 26' 28.783". |
| Geocentric latitude of Mercury |
+0° 6' 12.45". |
| Geocentric longitude of the Sun |
229° 26' 28.784". |
| Geocentric latitude of the Sun |
+0° 0' 0.05". |
| Equatorial parallax of the Sun |
8.89". |
| Equatorial parallax of Mercury |
13.00". |
| True semi-diameter of the Sun |
16' 9.7". |
| True semi-diameter of Mercury |
4.97". |
General phases
| Phases |
Date and instant
in UTC |
Position of the contacts |
Mercury being in the Zenith in |
|---|
| Longitude | Latitude | Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 11 th at 20h 48m 5.4s |
+ 45° 56.0' |
- 2° 6.7' |
+135° 42.1' |
-17° 34.4' |
| Ingress, interior contact |
the 11 th at 20h 49m 54.3s |
+ 46° 27.3' |
- 1° 52.8' |
+136° 9.5' |
-17° 34.3' |
| Least angular distance |
the 11 th at 23h 21m 6.4s |
+118° 47.2' |
+60° 26.0' |
+174° 11.7' |
-17° 29.9' |
| Egress, interior contact |
the 12 th at 1h 52m 24.7s |
- 76° 24.5' |
+43° 34.0' |
-147° 44.7' |
-17° 25.6' |
| Egress, exterior contact |
the 12 th at 1h 54m 13.5s |
- 75° 49.4' |
+43° 20.8' |
-147° 17.3' |
-17° 25.5' |
Durations of the general phases
- Duration of the general transit : 5h 6m 8.09s.
- Duration of the transit inside the shadow : 5h 2m 30.38s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 234.29 R
- Geocentric distance of the edge of the shadow : -144.82 R
- Geocentric distance of the edge of the penumbra : -147.23 R
- Semi-diameter of the cone of penombra : 236.71 R
- Least topocentric distance : 6' 4.357"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 11 th at 20h 48m 50.5s |
+135° 53.5' |
-17° 34.3' |
+ 92° 6.1' |
| Ingress, interior contact |
the 11 th at 20h 50m 39.4s |
+136° 20.9' |
-17° 34.3' |
+ 91° 51.4' |
| Least angular distance |
the 11 th at 23h 21m 7.9s |
+174° 12.0' |
-17° 29.9' |
--- |
| Egress, interior contact |
the 12 th at 1h 51m 39.7s |
-147° 56.0' |
-17° 25.6' |
+316° 22.9' |
| Egress, exterior contact |
the 12 th at 1h 53m 28.6s |
-147° 28.6' |
-17° 25.5' |
+316° 8.3' |
Durations of the geocentric phases
- Duration of the general transit : 5h 4m 38.11s.
- Duration of the transit of the shadow : 5h 1m 0.24s.
- Least geocentric angular distance : 6' 8.465"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1940.html
Last update : March 22nd, 2004.
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