1986 November the 13th
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 55.00s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1986/11/13 at 4h 18m 39.70s. |
|---|
| Geocentric longitude of Mercury |
230° 29' 20.810". |
| Geocentric latitude of Mercury |
+0° 7' 55.76". |
| Geocentric longitude of the Sun |
230° 29' 20.810". |
| Geocentric latitude of the Sun |
+0° 0' 0.20". |
| Equatorial parallax of the Sun |
8.89". |
| Equatorial parallax of Mercury |
13.00". |
| True semi-diameter of the Sun |
16' 9.7". |
| True semi-diameter of Mercury |
4.97". |
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 13 th at 1h 42m 14.7s |
+121° 35.6' |
+ 4° 32.8' |
-150° 46.6' |
-17° 49.3' |
| Ingress, interior contact |
the 13 th at 1h 44m 9.7s |
+122° 10.1' |
+ 4° 51.5' |
-150° 17.6' |
-17° 49.3' |
| Least angular distance |
the 13 th at 4h 6m 59.9s |
-168° 50.7' |
+60° 29.2' |
-114° 21.7' |
-17° 45.2' |
| Egress, interior contact |
the 13 th at 6h 29m 57.7s |
- 11° 30.2' |
+49° 8.4' |
- 78° 23.9' |
-17° 41.1' |
| Egress, exterior contact |
the 13 th at 6h 31m 52.7s |
- 10° 47.8' |
+48° 51.2' |
- 77° 55.0' |
-17° 41.0' |
Durations of the general phases
- Duration of the general transit : 4h 49m 38.00s.
- Duration of the transit inside the shadow : 4h 45m 47.96s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 234.45 R
- Geocentric distance of the edge of the shadow : -120.11 R
- Geocentric distance of the edge of the penumbra : -122.53 R
- Semi-diameter of the cone of penombra : 236.87 R
- Least topocentric distance : 7' 46.431"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 13 th at 1h 43m 2.2s |
-150° 34.6' |
-17° 49.3' |
+ 85° 7.0' |
| Ingress, interior contact |
the 13 th at 1h 44m 57.4s |
-150° 5.6' |
-17° 49.2' |
+ 84° 47.3' |
| Least angular distance |
the 13 th at 4h 6m 59.5s |
-114° 21.8' |
-17° 45.2' |
--- |
| Egress, interior contact |
the 13 th at 6h 29m 10.1s |
- 78° 35.9' |
-17° 41.1' |
+322° 48.1' |
| Egress, exterior contact |
the 13 th at 6h 31m 5.3s |
- 78° 6.9' |
-17° 41.0' |
+322° 28.4' |
Durations of the geocentric phases
- Duration of the general transit : 4h 48m 3.02s.
- Duration of the transit of the shadow : 4h 44m 12.69s.
- Least geocentric angular distance : 7' 50.535"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1986.html
Last update : March 22nd, 2004.
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