1878 May the 6th
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 -5.01s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1878/5/6 at 18h 46m 51.52s. |
|---|
| Geocentric longitude of Mercury |
46° 4' 12.372". |
| Geocentric latitude of Mercury |
+0° 4' 52.39". |
| Geocentric longitude of the Sun |
46° 4' 12.372". |
| Geocentric latitude of the Sun |
+0° 0' 0.26". |
| Equatorial parallax of the Sun |
8.71". |
| Equatorial parallax of Mercury |
15.76". |
| True semi-diameter of the Sun |
15' 50.6". |
| 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 6 th at 15h 11m 1.0s |
- 56° 44.6' |
+42° 29.7' |
+ 48° 26.4' |
+16° 48.3' |
| Ingress, interior contact |
the 6 th at 15h 14m 9.7s |
- 56° 4.8' |
+42° 42.2' |
+ 49° 13.7' |
+16° 48.2' |
| Least angular distance |
the 6 th at 18h 59m 58.7s |
-134° 55.0' |
+58° 39.1' |
+105° 55.2' |
+16° 44.0' |
| Egress, interior contact |
the 6 th at 22h 45m 35.5s |
-110° 48.1' |
- 9° 4.0' |
+162° 33.6' |
+16° 39.7' |
| Egress, exterior contact |
the 6 th at 22h 48m 44.2s |
-110° 5.2' |
- 9° 17.0' |
+163° 21.0' |
+16° 39.6' |
Durations of the general phases
- Duration of the general transit : 7h 37m 43.20s.
- Duration of the transit inside the shadow : 7h 31m 25.77s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 133.97 R
- Geocentric distance of the edge of the shadow : -93.22 R
- Geocentric distance of the edge of the penumbra : -94.93 R
- Semi-diameter of the cone of penombra : 135.68 R
- Least topocentric distance : 4' 40.317"
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 15h 12m 51.0s |
+ 48° 54.0' |
+16° 48.3' |
+ 45° 17.2' |
| Ingress, interior contact |
the 6 th at 15h 15m 59.9s |
+ 49° 41.4' |
+16° 48.2' |
+ 45° 3.5' |
| Least angular distance |
the 6 th at 18h 59m 54.1s |
+105° 54.0' |
+16° 44.0' |
--- |
| Egress, interior contact |
the 6 th at 22h 43m 44.9s |
+162° 5.9' |
+16° 39.7' |
+260° 43.1' |
| Egress, exterior contact |
the 6 th at 22h 46m 53.8s |
+162° 53.3' |
+16° 39.7' |
+260° 29.4' |
Durations of the geocentric phases
- Duration of the general transit : 7h 34m 2.77s.
- Duration of the transit of the shadow : 7h 27m 45.06s.
- Least geocentric angular distance : 4' 47.351"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1878.html
Last update : March 22nd, 2004.
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