1674 May the 6th and the 7th
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 23.44s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1674/5/7 at 0h 52m 26.95s. |
|---|
| Geocentric longitude of Mercury |
46° 38' 55.752". |
| Geocentric latitude of Mercury |
-0° 13' 8.19". |
| Geocentric longitude of the Sun |
46° 38' 55.752". |
| Geocentric latitude of the Sun |
+0° 0' 0.54". |
| Equatorial parallax of the Sun |
8.70". |
| Equatorial parallax of Mercury |
15.83". |
| True semi-diameter of the Sun |
15' 49.6". |
| True semi-diameter of Mercury |
6.06". |
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 6 th at 21h 52m 51.6s |
+ 67° 46.1' |
-25° 17.2' |
+148° 55.9' |
+16° 41.4' |
| Ingress, interior contact |
the 6 th at 21h 58m 3.1s |
+ 69° 25.5' |
-26° 14.5' |
+150° 14.1' |
+16° 41.3' |
| Least angular distance |
the 7 th at 0h 16m 29.8s |
+125° 12.2' |
-58° 25.9' |
-175° 0.6' |
+16° 38.7' |
| Egress, interior contact |
the 7 th at 2h 34m 20.5s |
-114° 31.6' |
-71° 1.2' |
-140° 24.3' |
+16° 36.1' |
| Egress, exterior contact |
the 7 th at 2h 39m 32.1s |
-110° 30.3' |
-70° 34.7' |
-139° 6.1' |
+16° 36.0' |
Durations of the general phases
- Duration of the general transit : 4h 46m 40.57s.
- Duration of the transit inside the shadow : 4h 36m 17.38s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 132.41 R
- Geocentric distance of the edge of the shadow : 23.60 R
- Geocentric distance of the edge of the penumbra : 25.30 R
- Semi-diameter of the cone of penombra : 134.11 R
- Least topocentric distance : 12' 48.323"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 6 th at 21h 55m 53.8s |
+149° 41.6' |
+16° 41.3' |
+116° 58.1' |
| Ingress, interior contact |
the 6 th at 22h 1m 9.9s |
+151° 1.0' |
+16° 41.2' |
+118° 0.2' |
| Least angular distance |
the 7 th at 0h 16m 13.2s |
-175° 4.7' |
+16° 38.7' |
--- |
| Egress, interior contact |
the 7 th at 2h 31m 13.9s |
-141° 11.1' |
+16° 36.2' |
+187° 37.3' |
| Egress, exterior contact |
the 7 th at 2h 36m 30.1s |
-139° 51.8' |
+16° 36.1' |
+188° 39.5' |
Durations of the geocentric phases
- Duration of the general transit : 4h 40m 36.37s.
- Duration of the transit of the shadow : 4h 30m 4.01s.
- Least geocentric angular distance : 12' 55.430"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1674.html
Last update : March 22nd, 2004.
|
|
|
