2154 May 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 295.60s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 2154/5/13 at 11h 41m 51.43s. |
|---|
| Geocentric longitude of Mercury |
52° 46' 36.851". |
| Geocentric latitude of Mercury |
-0° 15' 46.35". |
| Geocentric longitude of the Sun |
52° 46' 36.851". |
| Geocentric latitude of the Sun |
+0° 0' 0.28". |
| Equatorial parallax of the Sun |
8.71". |
| Equatorial parallax of Mercury |
15.82". |
| True semi-diameter of the Sun |
15' 50.3". |
| True semi-diameter of Mercury |
6.05". |
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 9h 56m 9.0s |
- 99° 4.0' |
-46° 24.2' |
- 30° 16.6' |
+18° 13.8' |
| Ingress, interior contact |
the 13 th at 10h 9m 8.6s |
- 93° 40.8' |
-49° 3.6' |
- 27° 0.9' |
+18° 13.6' |
| Least angular distance |
the 13 th at 10h 58m 54.3s |
- 69° 46.3' |
-59° 5.2' |
- 14° 31.4' |
+18° 12.7' |
| Egress, interior contact |
the 13 th at 11h 47m 50.2s |
- 38° 13.3' |
-67° 11.0' |
- 2° 14.3' |
+18° 11.8' |
| Egress, exterior contact |
the 13 th at 12h 0m 49.8s |
- 28° 4.3' |
-68° 43.0' |
+ 1° 1.5' |
+18° 11.5' |
Durations of the general phases
- Duration of the general transit : 2h 4m 40.75s.
- Duration of the transit inside the shadow : 1h 38m 41.54s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 132.87 R
- Geocentric distance of the edge of the shadow : 1.91 R
- Geocentric distance of the edge of the penumbra : 3.61 R
- Semi-diameter of the cone of penombra : 134.58 R
- Least topocentric distance : 15' 23.554"
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 10h 3m 24.8s |
- 28° 27.2' |
+18° 13.7' |
+141° 22.7' |
| Ingress, interior contact |
the 13 th at 10h 18m 34.5s |
- 24° 38.8' |
+18° 13.4' |
+144° 58.0' |
| Least angular distance |
the 13 th at 10h 58m 29.5s |
- 14° 37.6' |
+18° 12.7' |
--- |
| Egress, interior contact |
the 13 th at 11h 38m 24.5s |
- 4° 36.3' |
+18° 12.0' |
+164° 27.9' |
| Egress, exterior contact |
the 13 th at 11h 53m 34.3s |
- 0° 47.9' |
+18° 11.7' |
+168° 3.3' |
Durations of the geocentric phases
- Duration of the general transit : 1h 50m 9.50s.
- Duration of the transit of the shadow : 1h 19m 49.97s.
- Least geocentric angular distance : 15' 30.640"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP2154.html
Last update : March 22nd, 2004.
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