2312 May 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 689.55s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 2312/5/11 at 22h 51m 55.02s. |
|---|
| Geocentric longitude of Mercury |
51° 5' 12.080". |
| Geocentric latitude of Mercury |
+0° 5' 36.47". |
| Geocentric longitude of the Sun |
51° 5' 12.080". |
| Geocentric latitude of the Sun |
-0° 0' 0.41". |
| Equatorial parallax of the Sun |
8.72". |
| Equatorial parallax of Mercury |
15.73". |
| True semi-diameter of the Sun |
15' 51.2". |
| True semi-diameter of Mercury |
6.02". |
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 19h 22m 37.6s |
+ 4° 15.1' |
+43° 11.8' |
+111° 16.3' |
+18° 9.1' |
| Ingress, interior contact |
the 11 th at 19h 25m 48.1s |
+ 4° 53.3' |
+43° 26.1' |
+112° 4.1' |
+18° 9.1' |
| Least angular distance |
the 11 th at 23h 6m 56.6s |
- 69° 37.6' |
+59° 15.1' |
+167° 35.4' |
+18° 5.0' |
| Egress, interior contact |
the 12 th at 2h 47m 51.1s |
- 49° 8.5' |
- 4° 48.8' |
-136° 56.8' |
+18° 0.9' |
| Egress, exterior contact |
the 12 th at 2h 51m 1.7s |
- 48° 26.1' |
- 5° 3.9' |
-136° 9.0' |
+18° 0.8' |
Durations of the general phases
- Duration of the general transit : 7h 28m 24.09s.
- Duration of the transit inside the shadow : 7h 22m 2.94s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 134.73 R
- Geocentric distance of the edge of the shadow : -87.49 R
- Geocentric distance of the edge of the penumbra : -89.21 R
- Semi-diameter of the cone of penombra : 136.44 R
- Least topocentric distance : 5' 24.409"
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 19h 24m 28.3s |
+111° 44.1' |
+18° 9.1' |
+ 44° 4.9' |
| Ingress, interior contact |
the 11 th at 19h 27m 39.0s |
+112° 32.0' |
+18° 9.0' |
+ 43° 48.9' |
| Least angular distance |
the 11 th at 23h 6m 55.9s |
+167° 35.2' |
+18° 5.0' |
--- |
| Egress, interior contact |
the 12 th at 2h 45m 59.7s |
-137° 24.8' |
+18° 0.9' |
+265° 7.4' |
| Egress, exterior contact |
the 12 th at 2h 49m 10.5s |
-136° 36.9' |
+18° 0.9' |
+264° 51.4' |
Durations of the geocentric phases
- Duration of the general transit : 7h 24m 42.19s.
- Duration of the transit of the shadow : 7h 18m 20.67s.
- Least geocentric angular distance : 5' 31.408"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP2312.html
Last update : March 22nd, 2004.
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