1661 May the 3rd
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 34.72s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1661/5/3 at 16h 42m 12.62s. |
|---|
| Geocentric longitude of Mercury |
43° 33' 44.451". |
| Geocentric latitude of Mercury |
+0° 4' 26.57". |
| Geocentric longitude of the Sun |
43° 33' 44.451". |
| Geocentric latitude of the Sun |
-0° 0' 1.02". |
| Equatorial parallax of the Sun |
8.71". |
| Equatorial parallax of Mercury |
15.77". |
| True semi-diameter of the Sun |
15' 50.3". |
| True semi-diameter of Mercury |
6.03". |
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 3 rd at 13h 3m 3.6s |
- 87° 42.4' |
+41° 58.4' |
+ 16° 27.3' |
+16° 4.7' |
| Ingress, interior contact |
the 3 rd at 13h 6m 11.4s |
- 87° 1.8' |
+42° 9.8' |
+ 17° 14.5' |
+16° 4.6' |
| Least angular distance |
the 3 rd at 16h 54m 15.9s |
-168° 6.2' |
+58° 22.7' |
+ 74° 29.9' |
+16° 0.2' |
| Egress, interior contact |
the 3 rd at 20h 42m 9.1s |
-142° 10.8' |
-11° 16.4' |
+131° 42.4' |
+15° 55.9' |
| Egress, exterior contact |
the 3 rd at 20h 45m 16.9s |
-141° 27.7' |
-11° 28.3' |
+132° 29.6' |
+15° 55.8' |
Durations of the general phases
- Duration of the general transit : 7h 42m 13.39s.
- Duration of the transit inside the shadow : 7h 35m 57.73s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 133.62 R
- Geocentric distance of the edge of the shadow : -96.37 R
- Geocentric distance of the edge of the penumbra : -98.08 R
- Semi-diameter of the cone of penombra : 135.32 R
- Least topocentric distance : 4' 16.151"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 3 rd at 13h 4m 53.2s |
+ 16° 54.9' |
+16° 4.6' |
+ 46° 3.9' |
| Ingress, interior contact |
the 3 rd at 13h 8m 1.1s |
+ 17° 42.0' |
+16° 4.6' |
+ 45° 51.4' |
| Least angular distance |
the 3 rd at 16h 54m 16.8s |
+ 74° 30.1' |
+16° 0.2' |
--- |
| Egress, interior contact |
the 3 rd at 20h 40m 18.9s |
+131° 14.8' |
+15° 55.9' |
+258° 27.4' |
| Egress, exterior contact |
the 3 rd at 20h 43m 26.9s |
+132° 2.0' |
+15° 55.8' |
+258° 14.9' |
Durations of the geocentric phases
- Duration of the general transit : 7h 38m 33.66s.
- Duration of the transit of the shadow : 7h 32m 17.78s.
- Least geocentric angular distance : 4' 23.200"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1661.html
Last update : March 22nd, 2004.
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