1861 November 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 7.47s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1861/11/12 at 7h 35m 38.30s. |
|---|
| Geocentric longitude of Mercury |
229° 56' 43.660". |
| Geocentric latitude of Mercury |
+0° 11' 5.25". |
| Geocentric longitude of the Sun |
229° 56' 43.660". |
| Geocentric latitude of the Sun |
+0° 0' 0.39". |
| Equatorial parallax of the Sun |
8.89". |
| Equatorial parallax of Mercury |
13.00". |
| True semi-diameter of the Sun |
16' 10.1". |
| 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 12 th at 5h 17m 21.7s |
+179° 37.1' |
+17° 16.9' |
- 97° 0.3' |
-17° 37.7' |
| Ingress, interior contact |
the 12 th at 5h 19m 38.0s |
-179° 38.2' |
+17° 47.6' |
- 96° 26.1' |
-17° 37.6' |
| Least angular distance |
the 12 th at 7h 19m 23.7s |
-120° 59.7' |
+60° 22.0' |
- 66° 18.4' |
-17° 34.2' |
| Egress, interior contact |
the 12 th at 9h 19m 20.1s |
+ 17° 26.9' |
+60° 40.8' |
- 36° 8.1' |
-17° 30.7' |
| Egress, exterior contact |
the 12 th at 9h 21m 36.3s |
+ 18° 41.8' |
+60° 15.8' |
- 35° 33.8' |
-17° 30.7' |
Durations of the general phases
- Duration of the general transit : 4h 4m 14.56s.
- Duration of the transit inside the shadow : 3h 59m 42.12s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 234.92 R
- Geocentric distance of the edge of the shadow : -74.80 R
- Geocentric distance of the edge of the penumbra : -77.22 R
- Semi-diameter of the cone of penombra : 237.34 R
- Least topocentric distance : 10' 53.787"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 12 th at 5h 18m 17.9s |
- 96° 46.2' |
-17° 37.7' |
+ 71° 41.5' |
| Ingress, interior contact |
the 12 th at 5h 20m 34.6s |
- 96° 11.8' |
-17° 37.6' |
+ 71° 8.8' |
| Least angular distance |
the 12 th at 7h 19m 28.1s |
- 66° 17.3' |
-17° 34.2' |
--- |
| Egress, interior contact |
the 12 th at 9h 18m 23.6s |
- 36° 22.3' |
-17° 30.8' |
+336° 46.8' |
| Egress, exterior contact |
the 12 th at 9h 20m 40.4s |
- 35° 47.9' |
-17° 30.7' |
+336° 14.1' |
Durations of the geocentric phases
- Duration of the general transit : 4h 2m 22.46s.
- Duration of the transit of the shadow : 3h 57m 49.05s.
- Least geocentric angular distance : 10' 57.884"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1861.html
Last update : March 22nd, 2004.
|
|
|
