2279 May the 13th and the 14th
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 594.09s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 2279/5/14 at 0h 1m 21.79s. |
|---|
| Geocentric longitude of Mercury |
53° 2' 55.727". |
| Geocentric latitude of Mercury |
-0° 8' 28.45". |
| Geocentric longitude of the Sun |
53° 2' 55.727". |
| Geocentric latitude of the Sun |
-0° 0' 0.48". |
| Equatorial parallax of the Sun |
8.71". |
| Equatorial parallax of Mercury |
15.78". |
| True semi-diameter of the Sun |
15' 50.6". |
| 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 13 th at 20h 12m 51.0s |
+ 36° 18.1' |
- 5° 43.0' |
+123° 45.2' |
+18° 26.3' |
| Ingress, interior contact |
the 13 th at 20h 16m 22.6s |
+ 37° 19.3' |
- 6° 8.4' |
+124° 38.4' |
+18° 26.2' |
| Least angular distance |
the 13 th at 23h 38m 27.3s |
+120° 4.8' |
-59° 14.6' |
+175° 22.4' |
+18° 22.6' |
| Egress, interior contact |
the 14 th at 3h 0m 9.7s |
- 70° 32.6' |
-52° 22.2' |
-133° 59.1' |
+18° 18.9' |
| Egress, exterior contact |
the 14 th at 3h 3m 41.4s |
- 69° 17.3' |
-51° 59.5' |
-133° 6.0' |
+18° 18.8' |
Durations of the general phases
- Duration of the general transit : 6h 50m 50.32s.
- Duration of the transit inside the shadow : 6h 43m 47.06s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 133.59 R
- Geocentric distance of the edge of the shadow : 62.95 R
- Geocentric distance of the edge of the penumbra : 64.66 R
- Semi-diameter of the cone of penombra : 135.30 R
- Least topocentric distance : 8' 12.440"
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 20h 14m 54.7s |
+124° 16.3' |
+18° 26.3' |
+ 96° 15.1' |
| Ingress, interior contact |
the 13 th at 20h 18m 26.9s |
+125° 9.6' |
+18° 26.2' |
+ 96° 42.2' |
| Least angular distance |
the 13 th at 23h 38m 22.2s |
+175° 21.1' |
+18° 22.6' |
--- |
| Egress, interior contact |
the 14 th at 2h 58m 5.4s |
-134° 30.3' |
+18° 18.9' |
+213° 6.3' |
| Egress, exterior contact |
the 14 th at 3h 1m 37.7s |
-133° 37.0' |
+18° 18.9' |
+213° 33.4' |
Durations of the geocentric phases
- Duration of the general transit : 6h 46m 42.97s.
- Duration of the transit of the shadow : 6h 39m 38.53s.
- Least geocentric angular distance : 8' 19.493"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP2279.html
Last update : March 22nd, 2004.
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