Astronomy Answers: Planetary Phenomena 1961

Astronomy Answers
Planetary Phenomena 1961


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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

[1961] [Q 1961]

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
1961-01-01T11 Lu o +101.32
1961-01-03T00 Lu a 0.002716
1961-01-03T15 Ju a 6.166
1961-01-03T20 Lu V +129.68
1961-01-04T23 Me o +284.66
1961-01-05T06 Ju c +285.21
1961-01-06T04 Lu xa +157.28
1961-01-06T23 Ju v +285.61
1961-01-10T13 Sa a 11.02
1961-01-10T18 Sa c +290.80
1961-01-11T05 Sa v +290.86
1961-01-14T23
** 
B +155.26
1961-01-15T01 Lu d −18.80
1961-01-16T06 Lu v +294.76
1961-01-16T09 Lu c +296.55
1961-01-16T10 Lu p 0.002384
1961-01-16T13 Ma +d +27.23
1961-01-19T01 Lu xd +336.70
1961-01-20T14 Me v +310.78
1961-01-23T15 Ve xd +350.79
1961-01-28T03
** 
b +117.33
1961-01-28T06 Lu +d +18.77
1961-01-28T15 Ve e +46.94
1961-01-30T00 Lu a 0.002717
1961-01-30T06 Lu V +119.83
1961-01-30T22
** 
S +244.45
1961-01-31T06 Lu o +131.69
1961-02-02T08 Lu xa +156.22
1961-02-03T14 Me xd +332.96
1961-02-05T04 Ne d −13.53
1961-02-05T14 Ma Pg +89.99
1961-02-05T22 Me e +18.21
1961-02-10T18 Ne Rg +221.32
1961-02-11T11 Lu d −18.72
1961-02-12T04 Ur o +143.75
1961-02-12T10 Ur V +143.74
1961-02-12T11 Me Rg +339.18
1961-02-13T02 Ur p 17.38
1961-02-13T21 Lu v +312.05
1961-02-13T23 Lu p 0.002395
1961-02-14T01
** 
B +172.25
1961-02-14T20 Lu c +326.42
1961-02-15T11 Lu xd +336.20
1961-02-15T12 Me +d −5.61
1961-02-21T11 Me c +333.12
1961-02-22T04 Me V +332.36
1961-02-24T01 Me p 0.6328
1961-02-24T13 Lu +d +18.71
1961-02-26T07 Lu V +116.96
1961-02-26T09 Lu a 0.002713
1961-02-27T22
** 
S +268.68
1961-03-01T14 Lu xa +156.25
1961-03-02T01 Lu o +161.74
1961-03-06T11 Me Pg +324.34
1961-03-10T19 Lu d −18.72
1961-03-12T20 Me d −12.56
1961-03-13T10
** 
B +179.24
1961-03-13T21 Me xa +326.93
1961-03-14T06 Lu p 0.002423
1961-03-14T08 Lu v +327.34
1961-03-14T22 Lu xd +336.23
1961-03-16T06 Lu c +355.96
1961-03-19T05
** 
s +127.78
1961-03-20T05 Me e −27.71
1961-03-20T08 Ve Rg +29.10
1961-03-23T21 Lu +d +18.77
1961-03-24T21 Ve +d +18.04
1961-03-26T02 Lu V +122.67
1961-03-26T02 Lu a 0.002706
1961-03-28T07
** 
S +292.31
1961-03-28T21 Lu xa +156.03
1961-03-31T17 Lu o +191.28
1961-04-04T05 Sa xa +298.88
1961-04-05T06
** 
b +126.89
1961-04-07T01 Lu d −18.86
1961-04-10T06 Ve V +21.00
1961-04-10T08 Ve p 0.2837
1961-04-10T11 Ve c +20.86
1961-04-10T19 Lu p 0.002459
1961-04-11T02 Lu v +333.55
1961-04-11T05 Lu xd +335.40
1961-04-11T06
** 
B +184.35
1961-04-14T17 Lu c +25.02
1961-04-20T05 Lu +d +18.95
1961-04-22T22 Lu a 0.002702
1961-04-23T00 Lu V +129.93
1961-04-25T02 Lu xa +154.47
1961-04-26T16 Ur +d +14.99
1961-04-26T18
** 
S +316.23
1961-04-28T16 Ur Pg +141.66
1961-04-29T00 Me a 1.329
1961-04-30T01 Ne o +219.95
1961-04-30T02 Ne V +219.95
1961-04-30T06 Lu o +220.18
1961-04-30T22 Ne p 29.32
1961-04-30T23 Me o +40.33
1961-05-01T16 Ve Pg +12.74
1961-05-02T13 Me xd +43.69
1961-05-03T21 Me v +46.62
1961-05-04T07 Lu d −19.06
1961-05-05T01 Lu v +286.88
1961-05-05T02 Sa +d −20.23
1961-05-06T00 Lu p 0.002470
1961-05-08T07 Lu xd +333.24
1961-05-09T03 Sa Rg +299.86
1961-05-10T18
** 
B +209.67
1961-05-13T09 Ve d +6.27
1961-05-14T04 Lu c +53.65
1961-05-15T04 Ve xa +15.99
1961-05-17T14 Lu +d +19.15
1961-05-20T16 Lu a 0.002703
1961-05-20T23 Lu V +137.05
1961-05-21T06 Ju +d −18.89
1961-05-22T05 Lu xa +151.70
1961-05-25T06 Ju Rg +307.16
1961-05-25T07 Me +d +25.64
1961-05-29T16 Lu o +248.53
1961-05-31T15 Lu d −19.21
1961-05-31T18 Me e +23.26
1961-06-01T02 Lu v +283.74
1961-06-01T15 Lu p 0.002442
1961-06-03T05
** 
S +283.14
1961-06-04T08 Lu xd +330.40
1961-06-09T20 Me xa +99.74
1961-06-12T17 Lu c +81.97
1961-06-13T23 Lu +d +19.26
1961-06-14T05 Me Rg +100.46
1961-06-17T09 Lu a 0.002708
1961-06-17T19 Lu V +143.28
1961-06-18T07 Lu xa +148.98
1961-06-18T13
** 
B +194.04
1961-06-19T10 Ve e −45.70
1961-06-25T01 Me p 0.5577
1961-06-26T13 Me V +95.83
1961-06-26T23 Me c +95.57
1961-06-28T00 Lu o +276.57
1961-06-28T02 Lu d −19.26
1961-06-29T06 Lu v +295.03
1961-06-29T13 Lu p 0.002410
1961-07-01T11
** 
S +339.32
1961-07-01T11 Lu xd +328.19
1961-07-02T21 Me d +18.66
1961-07-08T07 Me Pg +91.35
1961-07-11T07 Lu +d +19.26
1961-07-12T07 Lu c +110.17
1961-07-14T17 Ne +d −12.66
1961-07-14T23 Lu a 0.002715
1961-07-15T09 Lu V +147.00
1961-07-15T10 Lu xa +147.46
1961-07-17T21
** 
B +178.02
1961-07-18T17 Sa V +296.56
1961-07-18T23 Sa o +296.54
1961-07-19T03 Sa p 9.000
1961-07-19T04 Me e −20.21
1961-07-20T01 Ne Pg +218.54
1961-07-24T22 Ju o +302.24
1961-07-24T22 Ju V +302.23
1961-07-25T13 Lu d −19.22
1961-07-25T18 Ju p 4.095
1961-07-26T21
** 
s +251.25
1961-07-27T07 Lu o +304.51
1961-07-27T17 Lu v +310.55
1961-07-27T20 Lu p 0.002390
1961-07-28T00 Me +d +21.90
1961-07-28T19 Lu xd +327.25
1961-07-29T12 Me xd +110.65
1961-07-29T23
** 
S +236.69
1961-08-07T13 Lu +d +19.21
1961-08-08T20 Ve +d +21.72
1961-08-09T11 Me v +132.10
1961-08-10T22 Lu c +138.53
1961-08-11T04 Lu a 0.002717
1961-08-11T08 Lu V +143.50
1961-08-11T16 Lu xa +147.18
1961-08-13T23 Me o +141.33
1961-08-16T11
** 
B +140.39
1961-08-17T19 Ur a 19.36
1961-08-18T15 Ur v +146.14
1961-08-18T21 Ur c +146.16
1961-08-19T05 Me a 1.364
1961-08-21T23 Lu d −19.18
1961-08-25T06 Lu xd +327.19
1961-08-25T06 Lu p 0.002388
1961-08-25T07 Lu v +327.61
1961-08-25T15 Lu o +332.65
1961-08-28T02
** 
S +180.17
1961-09-03T19 Lu +d +19.20
1961-09-05T08 Ve xd +128.60
1961-09-05T20 Me xa +182.21
1961-09-07T02 Lu V +137.31
1961-09-07T08 Lu a 0.002715
1961-09-07T22 Lu xa +147.24
1961-09-09T14 Lu c +167.16
1961-09-13T17
** 
B +114.43
1961-09-18T07 Lu d −19.26
1961-09-21T16 Lu xd +326.95
1961-09-22T15 Lu p 0.002405
1961-09-22T20 Lu v +344.54
1961-09-22T23 Ju d −21.36
1961-09-23T02 Ju Pg +297.32
1961-09-23T23 Lu o +186.82
1961-09-25T23
** 
S +155.18
1961-09-27T05 Sa Pg +293.24
1961-09-27T16 Me e +25.86
1961-09-30T14 Sa d −21.68
1961-10-01T02 Lu +d +19.32
1961-10-04T12 Lu V +139.13
1961-10-04T20 Lu a 0.002710
1961-10-05T03 Lu xa +146.47
1961-10-09T06 Lu c +196.24
1961-10-09T19 Me d −17.43
1961-10-10T10 Me Rg +218.03
1961-10-11T18
** 
B +99.30
1961-10-12T14 Ma xa +217.70
1961-10-15T13 Lu d −19.44
1961-10-18T22 Lu xd +325.42
1961-10-20T18 Lu p 0.002437
1961-10-20T21 Me p 0.6669
1961-10-21T05 Lu v +358.60
1961-10-21T21 Me V +209.64
1961-10-22T06 Me c +209.14
1961-10-23T09 Lu o +30.26
1961-10-24T08
** 
S +143.68
1961-10-25T11 Me xd +205.40
1961-10-28T11 Lu +d +19.55
1961-10-31T06 Me Pg +202.32
1961-11-01T06 Lu xa +144.19
1961-11-01T09 Lu V +145.48
1961-11-01T13 Lu a 0.002704
1961-11-02T04 Me +d −7.06
1961-11-02T08 Ne a 31.32
1961-11-03T05 Ne c +221.06
1961-11-03T12 Ne v +221.07
1961-11-06T16 Ma a 2.481
1961-11-07T02 Me e −18.82
1961-11-07T21 Lu c +225.77
1961-11-08T14
** 
B +92.84
1961-11-11T19 Lu d −19.67
1961-11-14T23 Lu xd +322.59
1961-11-16T16 Lu p 0.002471
1961-11-17T16 Lu v +0.67
1961-11-21T19
** 
S +137.08
1961-11-21T21 Lu o +59.86
1961-11-24T21 Lu +d +19.76
1961-11-28T08 Lu xa +141.07
1961-11-29T09 Lu V +153.32
1961-11-29T10 Lu a 0.002702
1961-11-30T01 Me v +239.40
1961-12-02T19 Me xa +243.72
1961-12-03T11 Ur d +11.98
1961-12-05T13 Ur Rg +150.55
1961-12-06T00 Me V +248.72
1961-12-07T03
** 
B +88.10
1961-12-07T11 Lu c +255.65
1961-12-09T03 Lu d −19.82
1961-12-10T23 Lu v +304.88
1961-12-11T13 Lu p 0.002462
1961-12-12T00 Lu xd +319.75
1961-12-14T03 Me a 1.450
1961-12-14T06 Ma c +262.57
1961-12-16T00 Me o +264.41
1961-12-21T02
** 
S +137.76
1961-12-21T12 Lu o +89.93
1961-12-22T06 Lu +d +19.85
1961-12-22T14 Me d −25.19
1961-12-25T11 Lu xa +138.74
1961-12-25T21 Ve xa +266.73
1961-12-26T03 Ma d −24.15
1961-12-27T07 Lu a 0.002706
1961-12-27T09 Lu V +161.20
1961-12-31T19 Ve d −23.62



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