1957 May the 5th and 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 32.00s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1957/5/6 at 0h 33m 37.34s. |
|---|
| Geocentric longitude of Mercury |
45° 13' 31.422". |
| Geocentric latitude of Mercury |
+0° 15' 21.61". |
| Geocentric longitude of the Sun |
45° 13' 31.422". |
| Geocentric latitude of the Sun |
-0° 0' 0.45". |
| Equatorial parallax of the Sun |
8.72". |
| Equatorial parallax of Mercury |
15.72". |
| True semi-diameter of the Sun |
15' 51.1". |
| True semi-diameter of Mercury |
6.01". |
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 23h 53m 34.1s |
- 26° 0.8' |
+72° 20.6' |
+179° 16.6' |
+16° 39.7' |
| Ingress, interior contact |
the 6 th at 0h 2m 50.9s |
- 29° 43.5' |
+71° 22.7' |
-178° 23.6' |
+16° 39.6' |
| Least angular distance |
the 6 th at 1h 14m 36.5s |
- 42° 11.2' |
+58° 44.6' |
-160° 22.7' |
+16° 38.2' |
| Egress, interior contact |
the 6 th at 2h 25m 35.0s |
- 37° 12.5' |
+43° 8.0' |
-142° 33.6' |
+16° 36.8' |
| Egress, exterior contact |
the 6 th at 2h 34m 51.9s |
- 35° 58.2' |
+41° 9.9' |
-140° 13.8' |
+16° 36.7' |
Durations of the general phases
- Duration of the general transit : 2h 41m 17.78s.
- Duration of the transit inside the shadow : 2h 22m 44.11s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 134.93 R
- Geocentric distance of the edge of the shadow : -5.39 R
- Geocentric distance of the edge of the penumbra : -7.11 R
- Semi-diameter of the cone of penombra : 136.64 R
- Least topocentric distance : 15' 0.358"
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 23h 58m 49.8s |
-179° 24.2' |
+16° 39.6' |
+351° 20.2' |
| Ingress, interior contact |
the 6 th at 0h 8m 46.5s |
-176° 54.4' |
+16° 39.4' |
+349° 1.9' |
| Least angular distance |
the 6 th at 1h 14m 12.9s |
-160° 28.6' |
+16° 38.2' |
--- |
| Egress, interior contact |
the 6 th at 2h 19m 38.7s |
-144° 3.0' |
+16° 36.9' |
+316° 35.9' |
| Egress, exterior contact |
the 6 th at 2h 29m 35.4s |
-141° 33.2' |
+16° 36.8' |
+314° 17.6' |
Durations of the geocentric phases
- Duration of the general transit : 2h 30m 45.67s.
- Duration of the transit of the shadow : 2h 10m 52.22s.
- Least geocentric angular distance : 15' 7.344"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1957.html
Last update : March 22nd, 2004.
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