1789 November the 5th
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 16.66s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1789/11/5 at 15h 7m 38.08s. |
|---|
| Geocentric longitude of Mercury |
223° 40' 45.347". |
| Geocentric latitude of Mercury |
-0° 7' 25.08". |
| Geocentric longitude of the Sun |
223° 40' 45.347". |
| Geocentric latitude of the Sun |
-0° 0' 0.37". |
| Equatorial parallax of the Sun |
8.88". |
| Equatorial parallax of Mercury |
13.02". |
| True semi-diameter of the Sun |
16' 9.0". |
| True semi-diameter of Mercury |
4.98". |
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 5 th at 12h 50m 28.0s |
- 92° 23.2' |
-50° 12.9' |
+ 16° 29.3' |
-16° 8.9' |
| Ingress, interior contact |
the 5 th at 12h 52m 21.7s |
- 92° 6.9' |
-50° 28.9' |
+ 16° 57.9' |
-16° 8.9' |
| Least angular distance |
the 5 th at 15h 18m 37.4s |
+173° 2.9' |
-60° 12.7' |
+ 53° 45.2' |
-16° 4.5' |
| Egress, interior contact |
the 5 th at 17h 45m 5.2s |
-179° 54.6' |
- 1° 19.4' |
+ 90° 35.5' |
-16° 0.0' |
| Egress, exterior contact |
the 5 th at 17h 46m 58.9s |
-179° 31.4' |
- 1° 2.3' |
+ 91° 4.1' |
-15° 60.0' |
Durations of the general phases
- Duration of the general transit : 4h 56m 30.97s.
- Duration of the transit inside the shadow : 4h 52m 43.54s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 232.83 R
- Geocentric distance of the edge of the shadow : 126.59 R
- Geocentric distance of the edge of the penumbra : 129.00 R
- Semi-diameter of the cone of penombra : 235.24 R
- Least topocentric distance : 7' 15.785"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 5 th at 12h 51m 15.1s |
+ 16° 41.1' |
-16° 8.9' |
+142° 49.6' |
| Ingress, interior contact |
the 5 th at 12h 53m 9.0s |
+ 17° 9.8' |
-16° 8.9' |
+143° 7.4' |
| Least angular distance |
the 5 th at 15h 18m 41.3s |
+ 53° 46.2' |
-16° 4.5' |
--- |
| Egress, interior contact |
the 5 th at 17h 44m 17.9s |
+ 90° 23.6' |
-16° 0.0' |
+268° 30.5' |
| Egress, exterior contact |
the 5 th at 17h 46m 11.8s |
+ 90° 52.3' |
-15° 60.0' |
+268° 48.3' |
Durations of the geocentric phases
- Duration of the general transit : 4h 54m 56.62s.
- Duration of the transit of the shadow : 4h 51m 8.94s.
- Least geocentric angular distance : 7' 19.915"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1789.html
Last update : March 22nd, 2004.
|
|
|
