Astronomy Answers: Planetary Phenomena 1901

Astronomy Answers
Planetary Phenomena 1901


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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

[1901] [Q 1901]

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
1901-01-01T10 Lu xd +61.30
1901-01-02T02
** 
S +164.38
1901-01-02T15 Lu +d +21.43
1901-01-04T12 Lu o +104.00
1901-01-06T02 Ma d +10.10
1901-01-06T21 Me d −24.44
1901-01-11T22 Lu a 0.002703
1901-01-12T05 Lu V +200.27
1901-01-12T18 Ma Rg +162.54
1901-01-14T18 Me a 1.429
1901-01-15T13 Lu xa +240.44
1901-01-16T13
** 
B +120.19
1901-01-17T00 Lu d −21.37
1901-01-17T23 Ne d +22.18
1901-01-19T20 Ve d −22.92
1901-01-20T02 Lu c +299.89
1901-01-22T00 Me o +302.08
1901-01-22T07 Ju d −23.17
1901-01-23T09 Lu v +346.93
1901-01-23T23 Lu p 0.002460
1901-01-28T12 Lu xd +59.31
1901-01-29T16 Ve xa +287.11
1901-01-29T22 Lu +d +21.29
1901-01-31T11
** 
S +183.01
1901-02-03T03 Lu o +134.15
1901-02-03T04 Me v +323.34
1901-02-08T19 Lu a 0.002706
1901-02-09T06 Lu V +208.74
1901-02-11T16 Lu xa +237.64
1901-02-12T13 Ve v +304.39
1901-02-13T10 Lu d −21.16
1901-02-14T06 Me xd +342.13
1901-02-14T14 Ur xd +256.35
1901-02-14T14
** 
B +141.57
1901-02-18T14 Lu c +329.79
1901-02-19T06 Me e +18.07
1901-02-20T06 Lu v +354.50
1901-02-20T15 Lu p 0.002423
1901-02-21T18 Ma o +152.95
1901-02-21T21 Ma V +152.89
1901-02-22T14 Ma p 0.6774
1901-02-24T12 Lu xd +56.28
1901-02-26T00 Me Rg +352.10
1901-02-26T04 Lu +d +21.04
1901-02-28T09 Me +d −0.31
1901-03-01T05
** 
S +211.64
1901-03-04T19
** 
s +132.92
1901-03-04T20 Lu o +164.08
1901-03-07T05 Me c +346.45
1901-03-07T12 Ne Pg +86.44
1901-03-08T00 Me V +345.66
1901-03-08T00
** 
b +132.88
1901-03-08T10 Lu a 0.002712
1901-03-09T02 Lu V +215.10
1901-03-10T06 Me p 0.6164
1901-03-10T18 Lu xa +234.64
1901-03-12T18 Lu d −20.89
1901-03-15T23
** 
B +149.80
1901-03-20T00 Lu c +166.23
1901-03-20T14 Me Pg +338.12
1901-03-20T16 Lu v +9.02
1901-03-20T22 Lu p 0.002396
1901-03-21T21 Ur Rg +256.90
1901-03-23T16 Lu xd +53.75
1901-03-23T20 Ur d −22.81
1901-03-24T14 Me xa +338.88
1901-03-25T11 Lu +d +20.80
1901-03-25T16 Ma +d +16.96
1901-03-26T10 Me d −8.31
1901-03-29T17
** 
S +223.75
1901-04-03T13 Lu o +193.59
1901-04-03T14 Me e −27.75
1901-04-03T18 Ma Pg +143.06
1901-04-04T18 Lu a 0.002716
1901-04-05T10 Lu V +215.72
1901-04-06T21 Lu xa +232.88
1901-04-09T01 Lu d −20.70
1901-04-13T04
** 
B +166.51
1901-04-18T05 Lu v +25.48
1901-04-18T09 Lu p 0.002387
1901-04-18T09 Lu c +28.15
1901-04-20T00 Lu xd +52.64
1901-04-21T19 Lu +d +20.67
1901-04-23T08 Sa +d −21.92
1901-04-25T08 Ju +d −22.65
1901-04-25T15 Sa Rg +286.39
1901-04-28T11
** 
S +293.26
1901-04-30T08 Ju Rg +283.05
1901-05-01T00 Ve o +40.53
1901-05-01T20 Lu a 0.002716
1901-05-01T23 Lu V +207.26
1901-05-03T00 Ve a 1.731
1901-05-03T06 Lu o +222.60
1901-05-04T02 Lu xa +232.53
1901-05-06T06 Lu d −20.64
1901-05-12T17 Me a 1.324
1901-05-12T18
** 
B +205.49
1901-05-13T05 Me xd +51.03
1901-05-13T23 Me o +52.71
1901-05-15T18 Me v +56.63
1901-05-16T18 Lu v +42.10
1901-05-16T18 Lu p 0.002398
1901-05-17T11 Lu xd +52.58
1901-05-17T17 Lu c +56.58
1901-05-19T05 Lu +d +20.64
1901-05-22T20 Ve xd +67.44
1901-05-26T23
** 
s +256.49
1901-05-29T03 Lu V +206.01
1901-05-29T06 Lu a 0.002711
1901-05-31T08 Lu xa +232.60
1901-06-01T14 Me +d +25.61
1901-06-01T21 Lu o +251.14
1901-06-02T12 Lu d −20.66
1901-06-05T15 Ur p 18.07
1901-06-05T19 Ur o +254.90
1901-06-06T01 Ur V +254.89
1901-06-08T13
** 
S +324.53
1901-06-13T06 Ve +d +24.22
1901-06-13T20 Lu xd +52.39
1901-06-13T22 Lu p 0.002425
1901-06-14T03 Lu v +56.45
1901-06-15T16 Lu +d +20.66
1901-06-15T18 Me e +24.62
1901-06-16T01 Lu c +84.68
1901-06-20T05 Ne v +88.94
1901-06-20T13 Ne c +88.95
1901-06-20T14 Me xa +112.93
1901-06-20T19 Ne a 30.90
1901-06-24T03
** 
B +173.58
1901-06-25T19 Lu V +210.67
1901-06-25T21 Lu a 0.002705
1901-06-27T14 Lu xa +231.94
1901-06-29T14 Me Rg +116.00
1901-06-29T20 Lu d −20.65
1901-06-30T04 Ju o +278.17
1901-06-30T09 Ju V +278.14
1901-07-01T11 Lu o +279.37
1901-07-01T11 Ju p 4.192
1901-07-05T08 Sa o +283.09
1901-07-05T13 Sa p 9.042
1901-07-05T14 Sa V +283.07
1901-07-07T14
** 
S +240.52
1901-07-10T03 Me p 0.5702
1901-07-11T02 Lu xd +51.04
1901-07-11T11 Lu p 0.002457
1901-07-11T14 Ne +d +22.31
1901-07-11T16 Me d +17.09
1901-07-11T22 Lu v +63.22
1901-07-12T07 Me V +110.80
1901-07-12T23 Me c +110.36
1901-07-13T01 Lu +d +20.60
1901-07-15T10 Lu c +112.67
1901-07-15T15 Ju xa +276.24
1901-07-22T06
** 
B +158.26
1901-07-23T15 Lu a 0.002701
1901-07-23T16 Lu V +217.03
1901-07-23T20 Me Pg +105.94
1901-07-24T18 Lu xa +229.90
1901-07-27T05 Lu d −20.54
1901-07-30T22 Lu o +307.49
1901-08-02T07 Me e −19.30
1901-08-04T18
** 
S +209.88
1901-08-04T23 Lu v +17.65
1901-08-05T20 Lu p 0.002470
1901-08-06T00 Ma xa +193.99
1901-08-06T08 Me +d +20.48
1901-08-07T03 Lu xd +48.52
1901-08-09T04 Me xd +119.23
1901-08-09T09 Lu +d +20.44
1901-08-13T20 Lu c +140.83
1901-08-20T09 Lu a 0.002703
1901-08-20T14 Lu V +223.93
1901-08-20T17 Ur +d −22.38
1901-08-20T20 Lu xa +227.02
1901-08-21T01
** 
B +130.18
1901-08-21T14 Me v +142.36
1901-08-21T23 Ur Pg +252.87
1901-08-23T14 Lu d −20.32
1901-08-26T23 Me o +153.10
1901-08-29T08 Lu o +335.76
1901-08-30T08 Ju Pg +273.22
1901-08-31T19 Lu v +11.60
1901-09-01T07 Lu p 0.002443
1901-09-02T07
** 
S +166.81
1901-09-02T17 Me a 1.380
1901-09-03T04 Lu xd +45.75
1901-09-05T15 Lu +d +20.21
1901-09-11T09 Ve xa +203.33
1901-09-12T09 Lu c +169.39
1901-09-14T00 Sa Pg +279.78
1901-09-16T13 Me xa +189.43
1901-09-16T23 Lu xa +224.60
1901-09-17T04 Lu a 0.002709
1901-09-17T11 Lu V +230.58
1901-09-17T11 Ju d −23.53
1901-09-18T08
** 
B +104.99
1901-09-19T22 Lu d −20.08
1901-09-27T17 Lu o +4.39
1901-09-29T00 Lu v +23.48
1901-09-29T01 Sa d −22.76
1901-09-29T06 Lu p 0.002409
1901-09-30T09 Lu xd +43.99
1901-10-01T07
** 
S +146.19
1901-10-02T20 Lu +d +20.02
1901-10-04T14 Ne Rg +91.49
1901-10-12T00 Me e +24.90
1901-10-12T01 Lu c +198.51
1901-10-14T03 Lu xa +223.57
1901-10-14T18 Lu a 0.002715
1901-10-15T02 Lu V +234.46
1901-10-16T15
** 
B +93.66
1901-10-17T05 Lu d −19.95
1901-10-22T09 Me d −20.78
1901-10-23T23 Me Rg +230.40
1901-10-25T18
** 
b +38.25
1901-10-27T03 Lu o +33.51
1901-10-27T13 Lu v +40.32
1901-10-27T15 Lu p 0.002388
1901-10-27T19 Lu xd +43.57
1901-10-30T02
** 
S +141.29
1901-10-30T05 Lu +d +19.92
1901-11-03T05 Me p 0.6729
1901-11-03T22 Me V +222.00
1901-11-04T05 Me c +221.62
1901-11-05T04 Me xd +220.42
1901-11-09T07 Ve d −26.30
1901-11-10T10 Lu xa +223.59
1901-11-10T19 Lu c +228.23
1901-11-10T21 Lu V +229.35
1901-11-10T23 Lu a 0.002718
1901-11-13T07 Me Pg +214.43
1901-11-13T08
** 
B +98.58
1901-11-13T11 Lu d −19.93
1901-11-14T18 Me +d −10.95
1901-11-15T17
** 
s +51.50
1901-11-20T18 Me e −19.56
1901-11-24T06 Lu xd +43.54
1901-11-24T15 Ma d −24.49
1901-11-25T03 Lu p 0.002386
1901-11-25T06 Lu v +58.82
1901-11-25T13 Lu o +63.10
1901-11-26T16 Lu +d +19.95
1901-11-27T04
** 
S +145.57
1901-11-29T17 Ne d +22.25
1901-12-04T21 Ve e +47.26
1901-12-07T14 Lu V +222.87
1901-12-07T15 Lu xa +223.41
1901-12-08T02 Lu a 0.002715
1901-12-09T08 Ur c +257.12
1901-12-09T09 Ur v +257.12
1901-12-09T14 Ur a 20.11
1901-12-10T14 Lu c +258.39
1901-12-10T18 Lu d −19.97
1901-12-12T13
** 
B +95.21
1901-12-13T12 Me xa +250.75
1901-12-21T15 Lu xd +42.67
1901-12-21T19 Ne p 28.90
1901-12-21T20 Ne V +90.08
1901-12-22T02 Ne o +90.08
1901-12-23T14 Lu p 0.002406
1901-12-23T21 Lu v +76.47
1901-12-24T04 Lu +d +19.96
1901-12-25T00 Lu o +93.04
1901-12-26T03
** 
S +141.70
1901-12-28T06 Me a 1.443
1901-12-29T15 Me d −24.90



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