1845 May the 8th
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 6.05s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1845/5/8 at 20h 2m 6.69s. |
|---|
| Geocentric longitude of Mercury |
48° 2' 11.458". |
| Geocentric latitude of Mercury |
-0° 9' 16.72". |
| Geocentric longitude of the Sun |
48° 2' 11.458". |
| Geocentric latitude of the Sun |
-0° 0' 0.24". |
| Equatorial parallax of the Sun |
8.71". |
| Equatorial parallax of Mercury |
15.81". |
| True semi-diameter of the Sun |
15' 50.0". |
| True semi-diameter of Mercury |
6.05". |
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 8 th at 16h 18m 12.2s |
- 21° 50.7' |
- 7° 29.0' |
+ 65° 12.2' |
+17° 8.3' |
| Ingress, interior contact |
the 8 th at 16h 21m 53.6s |
- 20° 46.4' |
- 7° 58.1' |
+ 66° 7.8' |
+17° 8.2' |
| Least angular distance |
the 8 th at 19h 36m 51.4s |
+ 56° 8.6' |
-58° 38.8' |
+115° 4.5' |
+17° 4.6' |
| Egress, interior contact |
the 8 th at 22h 51m 25.7s |
-135° 46.4' |
-57° 14.3' |
+163° 55.3' |
+17° 1.0' |
| Egress, exterior contact |
the 8 th at 22h 55m 7.2s |
-134° 20.7' |
-56° 48.9' |
+164° 50.9' |
+17° 0.9' |
Durations of the general phases
- Duration of the general transit : 6h 36m 55.03s.
- Duration of the transit inside the shadow : 6h 29m 32.14s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 132.90 R
- Geocentric distance of the edge of the shadow : 55.87 R
- Geocentric distance of the edge of the penumbra : 57.57 R
- Semi-diameter of the cone of penombra : 134.61 R
- Least topocentric distance : 9' 0.070"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 8 th at 16h 20m 21.9s |
+ 65° 44.8' |
+17° 8.3' |
+ 98° 5.0' |
| Ingress, interior contact |
the 8 th at 16h 24m 4.2s |
+ 66° 40.6' |
+17° 8.2' |
+ 98° 36.0' |
| Least angular distance |
the 8 th at 19h 36m 42.1s |
+115° 2.2' |
+17° 4.6' |
--- |
| Egress, interior contact |
the 8 th at 22h 49m 15.3s |
+163° 22.6' |
+17° 1.0' |
+207° 58.1' |
| Egress, exterior contact |
the 8 th at 22h 52m 57.5s |
+164° 18.4' |
+17° 0.9' |
+208° 29.1' |
Durations of the geocentric phases
- Duration of the general transit : 6h 32m 35.59s.
- Duration of the transit of the shadow : 6h 25m 11.08s.
- Least geocentric angular distance : 9' 7.155"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1845.html
Last update : March 22nd, 2004.
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