1723 November the 9th
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 9.12s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1723/11/9 at 17h 7m 16.11s. |
|---|
| Geocentric longitude of Mercury |
226° 46' 47.982". |
| Geocentric latitude of Mercury |
+0° 5' 53.59". |
| Geocentric longitude of the Sun |
226° 46' 47.982". |
| Geocentric latitude of the Sun |
-0° 0' 0.71". |
| Equatorial parallax of the Sun |
8.89". |
| Equatorial parallax of Mercury |
13.00". |
| True semi-diameter of the Sun |
16' 10.0". |
| 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 9 th at 14h 24m 30.6s |
- 50° 29.6' |
- 3° 59.0' |
+ 39° 49.0' |
-16° 51.7' |
| Ingress, interior contact |
the 9 th at 14h 26m 18.5s |
- 49° 59.0' |
- 3° 45.8' |
+ 40° 16.1' |
-16° 51.7' |
| Least angular distance |
the 9 th at 16h 58m 35.3s |
+ 21° 6.9' |
+60° 11.7' |
+ 78° 34.5' |
-16° 47.2' |
| Egress, interior contact |
the 9 th at 19h 30m 57.9s |
-170° 55.4' |
+43° 29.2' |
+116° 54.3' |
-16° 42.7' |
| Egress, exterior contact |
the 9 th at 19h 32m 45.8s |
-170° 21.3' |
+43° 16.7' |
+117° 21.4' |
-16° 42.6' |
Durations of the general phases
- Duration of the general transit : 5h 8m 15.22s.
- Duration of the transit inside the shadow : 5h 4m 39.48s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 234.52 R
- Geocentric distance of the edge of the shadow : -149.33 R
- Geocentric distance of the edge of the penumbra : -151.75 R
- Semi-diameter of the cone of penombra : 236.94 R
- Least topocentric distance : 5' 46.456"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 9 th at 14h 25m 15.2s |
+ 40° 0.2' |
-16° 51.7' |
+ 94° 2.5' |
| Ingress, interior contact |
the 9 th at 14h 27m 3.2s |
+ 40° 27.4' |
-16° 51.7' |
+ 93° 48.7' |
| Least angular distance |
the 9 th at 16h 58m 36.6s |
+ 78° 34.8' |
-16° 47.2' |
--- |
| Egress, interior contact |
the 9 th at 19h 30m 13.4s |
+116° 43.1' |
-16° 42.7' |
+316° 2.9' |
| Egress, exterior contact |
the 9 th at 19h 32m 1.3s |
+117° 10.2' |
-16° 42.6' |
+315° 49.1' |
Durations of the geocentric phases
- Duration of the general transit : 5h 6m 46.11s.
- Duration of the transit of the shadow : 5h 3m 10.23s.
- Least geocentric angular distance : 5' 50.561"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1723.html
Last update : March 22nd, 2004.
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