Astronomy Answers: Planetary Phenomena 1913

Astronomy Answers
Planetary Phenomena 1913


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The diagram below is explained further on the page for the year 2000.

1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105

[1913] [Q 1913]

For an explanation of the above pictures, see the page for the year 2000.

The last table on this page lists a number of noteworthy planetary phenomena during the listed year. The first column ("date") gives the date and hour, in the form year-month-dayThour in the Gregorian calendar, in Universal Time (UT). The second column ("pl") identifies the planet that shows the phenomenon:

pl Planet
Me Mercury
Ve Venus
Ma Mars
Ju Jupiter
Sa Saturn
Ur Uranus
Ne Neptune
Lu Moon

The third column ("*") provides the type of the phenomenon. The fourth column ("AU") shows the value (distance) in Astronomical Units, if applicable. The fifth column ("deg") gives the value of a relevant angle (declination \( δ \), elongation \( E \), conjunction spread \( σ \), or ecliptic longitude \( λ \)) in degrees. Which angle it is for each phenomenon is shown below in column "?". Declinations and ecliptical longitudes are measured relative to the equinox of the date.

 ?  
Explanation
p perigee
a apogee
+dδgreatest northern declination
dδgreatest southern declination
cλconjunction (with the Sun)
oλopposition (relative to the Sun)
eEgreatest elongation
xaλpassage through the ascending node (zero ecliptical latitude)
xdλpassage through the descending node (zero ecliptical latitude)
bσleast conjunction spread (Mercury - Saturn)
Bσleast conjunction spread (Mercury - Neptune)
sσgreatest conjunction spread (Mercury - Saturn)
Sσgreatest conjunction spread (Mercury - Neptune)
Vλbegin eastward (prograde) acceleration
Pgλstationary point: begin eastward (prograde) motion
vλbegin westward (retrograde) acceleration
Rgλstationary point: begin westward (retrograde) motion

The calculations for the planets are based on the VSOP87 model (type A) of Laskar, and the calculations for the Moon are based on the most detailed model from [Meeus]. One position per day was calculated for each celestial object. The hour of the day for each phenomenon was determined by interpolation.

date pl * AU deg
1913-01-05T16 Lu d −28.41
1913-01-05T22 Ju d −23.23
1913-01-06T22 Lu c +286.56
1913-01-08T12
** 
B +135.63
1913-01-10T11 Lu a 0.002714
1913-01-11T02 Me xa +271.95
1913-01-11T05 Lu V +337.72
1913-01-12T11 Ma d −24.01
1913-01-13T14 Lu xa +5.93
1913-01-14T14 Ne V +114.63
1913-01-14T20 Ne o +114.62
1913-01-14T23 Ne p 29.00
1913-01-16T15 Me d −23.74
1913-01-17T16 Sa d +17.58
1913-01-20T01 Lu +d +28.49
1913-01-22T03 Lu o +122.06
1913-01-22T18 Lu v +131.26
1913-01-22T21
** 
S +185.79
1913-01-22T23 Lu p 0.002392
1913-01-23T13 Ur c +303.51
1913-01-23T14 Ur v +303.51
1913-01-24T10 Ur a 20.79
1913-01-26T08 Lu xd +184.84
1913-01-28T04 Sa Pg +57.16
1913-01-29T02 Ve xd +355.32
1913-02-01T21 Lu d −28.54
1913-02-04T15 Me a 1.407
1913-02-05T17 Lu c +316.85
1913-02-06T19 Lu a 0.002718
1913-02-07T05
** 
B +127.38
1913-02-07T14 Lu V +338.93
1913-02-09T16 Lu xa +3.71
1913-02-11T17 Ve e +46.71
1913-02-11T23 Me o +322.85
1913-02-16T11 Lu +d +28.64
1913-02-20T08 Lu v +148.07
1913-02-20T12 Lu p 0.002384
1913-02-20T14 Lu o +151.86
1913-02-21T09
** 
S +177.02
1913-02-21T23 Me v +341.23
1913-02-22T16 Lu xd +183.33
1913-02-27T15
** 
b +104.75
1913-03-01T03 Lu d −28.68
1913-03-01T17 Me xd +355.46
1913-03-05T20 Lu a 0.002717
1913-03-05T23 Lu V +328.89
1913-03-07T12 Lu c +346.85
1913-03-08T12
** 
B +123.64
1913-03-08T21 Lu xa +3.07
1913-03-10T05
** 
s +105.00
1913-03-10T14 Me e +18.21
1913-03-15T18 Lu +d +28.73
1913-03-18T00 Me Rg +11.96
1913-03-19T08 Me +d +7.80
1913-03-20T22 Lu v +165.13
1913-03-20T23 Lu p 0.002397
1913-03-21T23 Lu o +181.27
1913-03-22T02 Lu xd +183.10
1913-03-22T03
** 
S +173.91
1913-03-27T16 Me c +6.90
1913-03-28T10 Lu d −28.74
1913-03-28T12 Me V +6.17
1913-03-31T02 Me p 0.5918
1913-04-01T10 Ma v +332.09
1913-04-02T05 Lu V +328.51
1913-04-02T08 Lu a 0.002713
1913-04-03T07 Ve Rg +42.50
1913-04-03T11 Ne Pg +113.21
1913-04-05T03 Lu xa +3.16
1913-04-05T11
** 
B +119.89
1913-04-05T23 Ve +d +22.17
1913-04-06T05 Lu c +16.33
1913-04-08T05 Ne +d +20.98
1913-04-09T01 Me xa +359.62
1913-04-10T08 Me Pg +359.54
1913-04-12T00 Lu +d +28.71
1913-04-15T13 Me d −1.04
1913-04-18T04 Lu p 0.002427
1913-04-18T07 Lu v +179.57
1913-04-18T12 Lu xd +183.03
1913-04-18T16
** 
S +167.43
1913-04-20T09 Lu o +210.19
1913-04-24T09 Ve V +34.36
1913-04-24T12 Ve p 0.2855
1913-04-24T13 Me e −27.08
1913-04-24T13 Ve c +34.25
1913-04-24T19 Lu d −28.66
1913-04-30T00 Lu V +334.32
1913-04-30T01 Lu a 0.002705
1913-04-30T17 Ju +d −22.21
1913-05-02T09 Lu xa +2.67
1913-05-03T05
** 
B +114.47
1913-05-05T06 Ju Rg +287.84
1913-05-05T10
** 
b +91.76
1913-05-05T20 Lu c +45.19
1913-05-09T06 Lu +d +28.58
1913-05-09T06 Ur +d −18.98
1913-05-12T01 Ur Rg +307.55
1913-05-15T12 Lu p 0.002461
1913-05-15T18 Lu xd +181.92
1913-05-15T21 Ve Pg +26.08
1913-05-15T21 Lu v +183.62
1913-05-17T03
** 
S +165.89
1913-05-19T19 Lu o +238.66
1913-05-20T16 Ve xa +26.52
1913-05-22T03 Lu d −28.52
1913-05-25T07 Ju xa +287.22
1913-05-26T23 Ve d +9.91
1913-05-27T19 Lu a 0.002701
1913-05-27T22 Lu V +341.22
1913-05-28T16 Me xd +62.53
1913-05-29T01 Sa c +67.54
1913-05-29T05 Sa a 10.07
1913-05-29T10 Sa v +67.59
1913-05-29T14 Lu xa +0.82
1913-05-31T07
** 
B +121.84
1913-05-31T23 Me o +69.76
1913-06-01T03 Me a 1.322
1913-06-01T21 Me v +71.73
1913-06-04T07 Lu c +73.56
1913-06-05T12 Lu +d +28.47
1913-06-08T19 Lu v +136.25
1913-06-09T17 Lu p 0.002469
1913-06-11T20 Lu xd +179.53
1913-06-12T03 Me +d +25.29
1913-06-15T09
** 
S +185.13
1913-06-18T05 Lu o +266.86
1913-06-18T11 Lu d −28.45
1913-06-24T14 Lu a 0.002703
1913-06-24T20 Lu V +348.04
1913-06-25T16 Lu xa +358.00
1913-06-29T20
** 
B +139.52
1913-07-02T20 Lu +d +28.46
1913-07-03T16 Ve e −45.64
1913-07-03T17 Lu c +101.61
1913-07-05T02 Ju o +282.94
1913-07-05T06 Ju V +282.93
1913-07-06T00 Lu v +135.19
1913-07-06T00 Me xa +129.99
1913-07-06T07 Ju p 4.174
1913-07-06T12 Lu p 0.002439
1913-07-07T02 Me e +26.20
1913-07-08T21 Lu xd +176.74
1913-07-14T04
** 
S +203.65
1913-07-15T17 Lu d −28.50
1913-07-17T06
** 
s +135.62
1913-07-17T18 Lu o +295.00
1913-07-18T08 Ne a 31.00
1913-07-18T12 Ne c +115.74
1913-07-18T14 Ne v +115.74
1913-07-21T02 Me Rg +138.26
1913-07-22T07 Lu a 0.002708
1913-07-22T16 Lu V +354.09
1913-07-22T18 Lu xa +355.48
1913-07-27T01 Me d +11.54
1913-07-28T00 Ur p 18.81
1913-07-28T19 Ur o +305.57
1913-07-29T00 Ur V +305.56
1913-07-29T19
** 
B +143.11
1913-07-30T05 Lu +d +28.57
1913-07-31T15 Me p 0.5925
1913-08-02T00 Lu c +129.60
1913-08-03T03 Me V +132.10
1913-08-03T04 Lu v +146.94
1913-08-03T11 Lu p 0.002409
1913-08-03T23 Me c +131.45
1913-08-05T01 Lu xd +174.76
1913-08-11T17
** 
S +197.68
1913-08-11T19 Ve +d +21.45
1913-08-11T22 Lu d −28.62
1913-08-14T04 Me Pg +126.60
1913-08-14T22
** 
b +126.57
1913-08-16T08 Lu o +323.34
1913-08-18T19 Lu a 0.002714
1913-08-18T23 Lu xa +354.22
1913-08-19T05 Lu V +357.19
1913-08-22T00 Me +d +17.01
1913-08-22T02 Me e −18.41
1913-08-24T15 Me xd +133.28
1913-08-26T14 Lu +d +28.68
1913-08-27T00
** 
B +143.19
1913-08-31T08 Lu c +157.80
1913-08-31T16 Lu v +162.95
1913-08-31T19 Lu p 0.002390
1913-09-01T10 Lu xd +174.11
1913-09-04T02 Ju Pg +278.00
1913-09-08T04 Lu d −28.71
1913-09-08T09 Me v +158.51
1913-09-10T19 Ve xd +131.68
1913-09-10T21
** 
S +214.97
1913-09-11T02 Ju d −23.43
1913-09-15T00 Lu a 0.002716
1913-09-15T00 Lu o +352.06
1913-09-15T01 Lu V +352.30
1913-09-15T04 Lu xa +354.11
1913-09-15T23 Me o +172.88
1913-09-17T23 Ma xd +91.51
1913-09-19T01 Sa +d +21.24
1913-09-22T22 Lu +d +28.71
1913-09-23T14 Me a 1.403
1913-09-25T21
** 
B +160.02
1913-09-27T04 Ma +d +23.51
1913-09-28T21 Lu xd +174.16
1913-09-29T05 Lu p 0.002390
1913-09-29T07 Lu v +180.50
1913-09-29T16 Lu c +186.43
1913-09-30T09 Sa Rg +78.17
1913-10-02T00 Me xa +200.47
1913-10-05T11 Lu d −28.70
1913-10-11T03 Ur d −19.96
1913-10-11T07
** 
S +253.20
1913-10-11T19 Lu V +346.41
1913-10-12T03 Lu a 0.002713
1913-10-12T11 Lu xa +354.09
1913-10-13T07 Ur Pg +303.61
1913-10-14T18 Lu o +21.29
1913-10-20T04 Lu +d +28.63
1913-10-26T00
** 
B +178.45
1913-10-26T06 Lu xd +173.59
1913-10-27T15 Lu p 0.002409
1913-10-27T21 Lu v +197.64
1913-10-29T02 Lu c +215.58
1913-10-31T09 Ne Rg +118.24
1913-11-01T00 Ne d +20.09
1913-11-01T15 Me e +23.41
1913-11-01T20 Lu d −28.57
1913-11-06T07 Ma d +23.09
1913-11-08T08 Lu V +349.42
1913-11-08T13 Me d −24.25
1913-11-08T15 Lu xa +352.94
1913-11-08T16 Lu a 0.002708
1913-11-10T22
** 
S +318.37
1913-11-12T07 Me Rg +248.85
1913-11-13T11 Lu o +51.00
1913-11-14T04
** 
s +191.20
1913-11-16T09 Lu +d +28.47
1913-11-20T14 Me xd +243.21
1913-11-22T06 Me p 0.6776
1913-11-22T11 Lu xd +171.63
1913-11-22T14 Me V +240.55
1913-11-22T18 Me c +240.36
1913-11-24T16 Lu p 0.002444
1913-11-24T23
** 
B +184.95
1913-11-25T04 Lu v +211.06
1913-11-25T07
** 
b +188.79
1913-11-26T09 Ma Rg +114.56
1913-11-27T13 Lu c +245.24
1913-11-29T05 Lu d −28.41
1913-12-02T04 Me Pg +232.65
1913-12-02T20 Me +d −15.89
1913-12-05T17 Lu xa +350.26
1913-12-06T06 Lu V +356.46
1913-12-06T11 Lu a 0.002703
1913-12-06T15 Sa V +74.69
1913-12-06T17 Sa p 8.049
1913-12-06T20 Sa o +74.67
1913-12-10T12
** 
S +329.32
1913-12-10T17 Me e −20.90
1913-12-13T02 Lu o +81.03
1913-12-13T15 Lu +d +28.37
1913-12-19T11 Lu xd +168.60
1913-12-21T01 Lu p 0.002475
1913-12-22T04 Lu v +206.57
1913-12-22T20
** 
s +207.44
1913-12-26T14 Lu d −28.38
1913-12-27T03 Lu c +275.29
1913-12-28T11 Ve v +265.92
1913-12-28T23 Me xa +262.01
1913-12-29T17
** 
B +191.92
1913-12-31T09 Ve xa +269.57
1913-12-31T17 Ma p 0.6224



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