1631 November 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 82.82s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1631/11/7 at 7h 24m 12.18s. |
|---|
| Geocentric longitude of Mercury |
224° 40' 44.610". |
| Geocentric latitude of Mercury |
+0° 2' 27.89". |
| Geocentric longitude of the Sun |
224° 40' 44.610". |
| Geocentric latitude of the Sun |
-0° 0' 0.08". |
| Equatorial parallax of the Sun |
8.89". |
| Equatorial parallax of Mercury |
13.01". |
| True semi-diameter of the Sun |
16' 9.9". |
| 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 7 th at 4h 37m 15.4s |
+158° 58.5' |
-16° 32.1' |
-106° 58.4' |
-16° 19.2' |
| Ingress, interior contact |
the 7 th at 4h 38m 57.4s |
+159° 25.2' |
-16° 26.9' |
-106° 32.8' |
-16° 19.1' |
| Least angular distance |
the 7 th at 7h 20m 34.3s |
-125° 10.6' |
+60° 5.0' |
- 65° 53.7' |
-16° 14.3' |
| Egress, interior contact |
the 7 th at 10h 2m 15.8s |
+ 53° 1.8' |
+32° 35.7' |
- 25° 13.4' |
-16° 9.4' |
| Egress, exterior contact |
the 7 th at 10h 3m 57.8s |
+ 53° 29.0' |
+32° 30.5' |
- 24° 47.8' |
-16° 9.3' |
Durations of the general phases
- Duration of the general transit : 5h 26m 42.31s.
- Duration of the transit inside the shadow : 5h 23m 18.46s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 234.23 R
- Geocentric distance of the edge of the shadow : -198.70 R
- Geocentric distance of the edge of the penumbra : -201.11 R
- Semi-diameter of the cone of penombra : 236.65 R
- Least topocentric distance : 2' 22.295"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 7 th at 4h 37m 57.7s |
-106° 47.8' |
-16° 19.2' |
+107° 5.4' |
| Ingress, interior contact |
the 7 th at 4h 39m 39.6s |
-106° 22.2' |
-16° 19.1' |
+106° 59.9' |
| Least angular distance |
the 7 th at 7h 20m 34.6s |
- 65° 53.6' |
-16° 14.3' |
--- |
| Egress, interior contact |
the 7 th at 10h 1m 33.7s |
- 25° 24.0' |
-16° 9.4' |
+304° 5.0' |
| Egress, exterior contact |
the 7 th at 10h 3m 15.7s |
- 24° 58.4' |
-16° 9.4' |
+303° 59.5' |
Durations of the geocentric phases
- Duration of the general transit : 5h 25m 17.99s.
- Duration of the transit of the shadow : 5h 21m 54.12s.
- Least geocentric angular distance : 2' 26.405"
Map
Map of visibility of the transit - Mercator projection.
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1631.html
Last update : March 22nd, 2004.
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