1881 November the 7th and the 8th
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 -5.10s
Longitudes are counted positively towards West and negatively towards East.
 Parameters at the instant of conjunction in longitude
| Conjunction on 1881/11/8 at 0h 51m 29.62s. |
|---|
| Geocentric longitude of Mercury |
225° 47' 22.202". |
| Geocentric latitude of Mercury |
-0° 3' 54.05". |
| Geocentric longitude of the Sun |
225° 47' 22.202". |
| Geocentric latitude of the Sun |
+0° 0' 0.27". |
| Equatorial parallax of the Sun |
8.88". |
| Equatorial parallax of Mercury |
13.02". |
| True semi-diameter of the Sun |
16' 9.1". |
| True semi-diameter of Mercury |
4.98". |
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 7 th at 22h 16m 14.2s |
+ 55° 43.5' |
-37° 27.1' |
+157° 52.3' |
-16° 42.9' |
| Ingress, interior contact |
the 7 th at 22h 17m 58.5s |
+ 56° 5.4' |
-37° 35.0' |
+158° 18.6' |
-16° 42.9' |
| Least angular distance |
the 8 th at 0h 57m 16.7s |
- 40° 29.9' |
-60° 19.4' |
-161° 37.2' |
-16° 38.1' |
| Egress, interior contact |
the 8 th at 3h 36m 42.5s |
- 35° 39.7' |
+10° 46.2' |
-121° 31.1' |
-16° 33.4' |
| Egress, exterior contact |
the 8 th at 3h 38m 26.8s |
- 35° 16.5' |
+10° 54.4' |
-121° 4.8' |
-16° 33.3' |
Durations of the general phases
- Duration of the general transit : 5h 22m 12.56s.
- Duration of the transit inside the shadow : 5h 18m 43.99s.
Parameters of the shadow and penumbra cones and minimum elongation
- Semi-diameter of the shadow cone : 233.16 R
- Geocentric distance of the edge of the shadow : 177.11 R
- Geocentric distance of the edge of the penumbra : 179.52 R
- Semi-diameter of the cone of penombra : 235.57 R
- Least topocentric distance : 3' 47.679"
Geocentric phases
| Geocentric phases |
Date and instant in UTC |
Mercury being in the Zenith in |
Position Angle P |
|---|
| Longitude | Latitude |
|---|
| Ingress, exterior contact |
the 7 th at 22h 16m 57.5s |
+158° 3.2' |
-16° 42.9' |
+129° 10.1' |
| Ingress, interior contact |
the 7 th at 22h 18m 41.8s |
+158° 29.5' |
-16° 42.8' |
+129° 18.7' |
| Least angular distance |
the 8 th at 0h 57m 15.8s |
-161° 37.4' |
-16° 38.1' |
--- |
| Egress, interior contact |
the 8 th at 3h 35m 59.2s |
-121° 42.0' |
-16° 33.4' |
+281° 7.5' |
| Egress, exterior contact |
the 8 th at 3h 37m 43.5s |
-121° 15.7' |
-16° 33.3' |
+281° 16.0' |
Durations of the geocentric phases
- Duration of the general transit : 5h 20m 46.03s.
- Duration of the transit of the shadow : 5h 17m 17.40s.
- Least geocentric angular distance : 3' 51.804"
Send your suggestion to the author of the notes :
URL: http://www.imcce.fr/ephem/passage_eng/html_passage/MercureP1881.html
Last update : March 22nd, 2004.
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