1970 May the 9th
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 40.00s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1970/5/9 at 8h 21m 24.76s. |
|---|
| Geocentric longitude of Mercury |
48° 17' 56.019". |
| Geocentric latitude of Mercury |
-0° 1' 55.78". |
| Geocentric longitude of the Sun |
48° 17' 56.019". |
| Geocentric latitude of the Sun |
+0° 0' 0.24". |
| Equatorial parallax of the Sun |
8.71". |
| Equatorial parallax of Mercury |
15.78". |
| True semi-diameter of the Sun |
15' 50.5". |
| True semi-diameter of Mercury |
6.04". |
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 9 th at 4h 17m 33.8s |
+149° 30.1' |
+19° 3.7' |
-114° 58.5' |
+17° 19.6' |
| Ingress, interior contact |
the 9 th at 4h 20m 35.7s |
+150° 17.1' |
+18° 58.6' |
-114° 12.9' |
+17° 19.5' |
| Least angular distance |
the 9 th at 8h 16m 10.9s |
-114° 4.1' |
-58° 47.4' |
- 55° 4.2' |
+17° 15.1' |
| Egress, interior contact |
the 9 th at 12h 11m 36.1s |
+ 82° 16.7' |
-31° 42.9' |
+ 4° 2.0' |
+17° 10.7' |
| Egress, exterior contact |
the 9 th at 12h 14m 38.0s |
+ 83° 4.1' |
-31° 37.9' |
+ 4° 47.6' |
+17° 10.7' |
Durations of the general phases
- Duration of the general transit : 7h 57m 4.15s.
- Duration of the transit inside the shadow : 7h 51m 0.40s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 133.60 R
- Geocentric distance of the edge of the shadow : 117.46 R
- Geocentric distance of the edge of the penumbra : 119.17 R
- Semi-diameter of the cone of penombra : 135.31 R
- Least topocentric distance : 1' 47.046"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 9 th at 4h 19m 20.2s |
-114° 31.8' |
+17° 19.5' |
+ 70° 10.9' |
| Ingress, interior contact |
the 9 th at 4h 22m 22.0s |
-113° 46.2' |
+17° 19.5' |
+ 70° 16.3' |
| Least angular distance |
the 9 th at 8h 16m 9.8s |
- 55° 4.5' |
+17° 15.1' |
--- |
| Egress, interior contact |
the 9 th at 12h 9m 49.5s |
+ 3° 35.2' |
+17° 10.8' |
+236° 39.4' |
| Egress, exterior contact |
the 9 th at 12h 12m 51.4s |
+ 4° 20.9' |
+17° 10.7' |
+236° 44.8' |
Durations of the geocentric phases
- Duration of the general transit : 7h 53m 31.29s.
- Duration of the transit of the shadow : 7h 47m 27.50s.
- Least geocentric angular distance : 1' 54.098"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1970.html
Last update : March 22nd, 2004.
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