Astronomy Answers: Planetary Phenomena 2071

Astronomy Answers
Planetary Phenomena 2071


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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

[2071] [Q 2071]

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
2071-01-01T00 Lu c +281.21
2071-01-01T12 Ne p 28.94
2071-01-01T14 Ne V +101.81
2071-01-01T15 Ne o +101.81
2071-01-08T07 Lu xd +10.81
2071-01-09T02 Ma d −23.99
2071-01-09T19 Me xa +271.95
2071-01-13T17 Lu +d +18.51
2071-01-14T20 Lu p 0.002390
2071-01-14T21 Lu v +104.93
2071-01-15T01
** 
S +193.23
2071-01-15T06 Me d −23.72
2071-01-15T14 Lu o +116.03
2071-01-20T18 Lu xa +189.68
2071-01-26T18 Lu V +263.16
2071-01-27T03 Lu d −18.46
2071-01-27T09 Lu a 0.002715
2071-01-29T22
** 
B +139.87
2071-01-30T19 Lu c +311.51
2071-02-01T16 Sa d −9.67
2071-02-02T11 Me a 1.411
2071-02-04T08 Lu xd +8.19
2071-02-08T12 Sa Rg +211.74
2071-02-09T23 Me o +321.65
2071-02-10T03 Lu +d +18.36
2071-02-12T04 Lu v +118.39
2071-02-12T05 Lu p 0.002418
2071-02-14T01 Lu o +145.97
2071-02-14T02
** 
S +203.13
2071-02-17T00 Lu xa +187.54
2071-02-20T07 Me v +340.48
2071-02-23T10 Lu d −18.29
2071-02-23T18 Lu V +271.39
2071-02-24T02 Lu a 0.002708
2071-02-28T12 Me xd +355.35
2071-03-01T12 Lu c +341.52
2071-03-01T13
** 
B +147.76
2071-03-03T12 Lu xd +7.11
2071-03-08T17 Ve xd +24.23
2071-03-08T18 Me e +18.15
2071-03-09T10 Lu +d +18.22
2071-03-11T22 Lu v +123.71
2071-03-11T22 Lu p 0.002455
2071-03-15T13 Lu o +175.53
2071-03-16T00 Me Rg +10.66
2071-03-16T02
** 
S +214.63
2071-03-16T09 Lu xa +187.04
2071-03-17T12 Me +d +7.26
2071-03-20T18 Ne Pg +100.40
2071-03-22T19 Lu d −18.20
2071-03-23T21 Lu V +280.91
2071-03-23T22 Lu a 0.002703
2071-03-25T13 Me c +5.50
2071-03-26T10 Me V +4.74
2071-03-28T23 Me p 0.5963
2071-03-30T13 Ma v +333.22
2071-03-30T18
** 
B +152.50
2071-03-30T20 Lu xd +7.14
2071-03-31T03 Lu c +10.99
2071-04-01T02 Ur Rg +267.87
2071-04-04T18 Ne +d +22.14
2071-04-05T15 Lu +d +18.20
2071-04-06T02 Lu v +94.16
2071-04-06T06 Lu p 0.002472
2071-04-07T18 Me xa +357.95
2071-04-08T04 Me Pg +357.93
2071-04-12T18 Lu xa +187.13
2071-04-13T12 Me d −1.51
2071-04-13T18
** 
S +223.98
2071-04-14T02 Lu o +204.76
2071-04-17T19 Sa o +208.41
2071-04-17T20 Sa p 8.734
2071-04-18T00 Sa V +208.39
2071-04-19T03 Lu d −18.24
2071-04-20T05 Ur d −23.56
2071-04-20T17 Lu a 0.002703
2071-04-20T23 Lu V +289.99
2071-04-22T09 Me e −27.27
2071-04-24T19
** 
s +140.20
2071-04-27T04 Lu xd +6.93
2071-04-29T14 Lu c +39.84
2071-04-29T14
** 
B +155.77
2071-04-30T11 Ju v +42.13
2071-05-02T09 Ju c +42.58
2071-05-02T12 Lu v +82.05
2071-05-02T15 Lu p 0.002444
2071-05-02T22 Lu +d +18.29
2071-05-04T10 Ju a 5.981
2071-05-07T11 Ve +d +26.37
2071-05-09T23 Lu xa +186.51
2071-05-13T15 Lu o +233.54
2071-05-13T19
** 
S +218.53
2071-05-16T12 Lu d −18.36
2071-05-18T10 Lu a 0.002708
2071-05-18T23 Lu V +297.99
2071-05-20T21 Ve e +45.37
2071-05-24T11 Lu xd +5.41
2071-05-27T11 Me xd +62.66
2071-05-28T23 Lu c +68.22
2071-05-30T03
** 
B +147.17
2071-05-30T07 Me a 1.322
2071-05-30T08 Lu +d +18.40
2071-05-30T11 Lu v +90.53
2071-05-30T13 Lu p 0.002412
2071-05-31T00 Me o +70.36
2071-05-31T11 Me v +71.41
2071-06-06T01 Lu xa +184.45
2071-06-10T23 Me +d +25.28
2071-06-12T05 Lu o +261.88
2071-06-12T19 Lu d −18.44
2071-06-13T13
** 
S +201.60
2071-06-14T23 Lu a 0.002714
2071-06-15T17 Lu V +303.54
2071-06-16T02 Ur p 18.19
2071-06-16T09 Ur o +265.87
2071-06-16T13 Ur V +265.87
2071-06-20T14 Lu xd +2.78
2071-06-20T17 Sa +d −7.27
2071-06-26T19 Lu +d +18.42
2071-06-27T06 Lu c +96.25
2071-06-27T09 Sa Pg +205.00
2071-06-27T17 Lu v +103.39
2071-06-27T20 Lu p 0.002391
2071-06-28T07 Ve xa +133.75
2071-06-28T14
** 
B +138.92
2071-07-03T02 Lu xa +181.61
2071-07-03T20 Ne v +102.91
2071-07-04T06 Ne c +102.92
2071-07-04T08 Ne a 30.95
2071-07-04T17 Me xa +129.32
2071-07-04T22 Me e +25.95
2071-07-08T11 Ve Rg +135.64
2071-07-10T03 Lu d −18.41
2071-07-11T20 Lu o +290.14
2071-07-12T04 Lu a 0.002717
2071-07-12T11
** 
S +190.92
2071-07-12T19 Lu V +301.45
2071-07-17T16 Lu xd +0.01
2071-07-18T22 Me Rg +136.69
2071-07-24T07 Lu +d +18.35
2071-07-25T09 Me d +12.02
2071-07-26T02 Lu v +117.46
2071-07-26T05 Lu p 0.002389
2071-07-26T12 Lu c +124.14
2071-07-26T13
** 
B +130.04
2071-07-29T08 Ve d +12.04
2071-07-29T10 Me p 0.5881
2071-07-29T23 Ve c +127.46
2071-07-30T00 Ve p 0.2898
2071-07-30T03 Ve V +127.35
2071-07-30T06 Lu xa +179.14
2071-07-31T22 Me V +130.71
2071-08-01T17 Me c +130.10
2071-08-06T10 Lu d −18.29
2071-08-08T06 Lu V +292.25
2071-08-08T08 Lu a 0.002715
2071-08-08T12
** 
S +178.08
2071-08-10T11 Lu o +318.44
2071-08-12T01 Me Pg +125.33
2071-08-13T18 Lu xd +358.36
2071-08-20T05 Me e −18.54
2071-08-20T08 Me +d +17.14
2071-08-20T13 Ve Pg +119.17
2071-08-20T16 Lu +d +18.21
2071-08-22T19
** 
B +123.06
2071-08-22T19
** 
b +102.54
2071-08-23T10 Me xd +132.94
2071-08-23T10 Lu v +131.37
2071-08-23T13 Lu p 0.002405
2071-08-24T20 Lu c +152.33
2071-08-26T14 Lu xa +178.11
2071-09-01T07 Ur +d −23.46
2071-09-01T12 Ur Pg +263.86
2071-09-02T17 Lu d −18.17
2071-09-04T16 Lu V +293.62
2071-09-04T19 Lu a 0.002710
2071-09-06T06
** 
S +175.73
2071-09-06T20 Me v +157.99
2071-09-07T09 Ve +d +14.34
2071-09-09T02 Lu o +347.04
2071-09-09T23 Lu xd +357.96
2071-09-13T13 Ma xd +92.35
2071-09-13T23 Me o +171.65
2071-09-16T23 Lu +d +18.14
2071-09-18T14 Ma +d +23.44
2071-09-20T07
** 
B +127.24
2071-09-20T14 Lu v +142.70
2071-09-20T15 Lu p 0.002435
2071-09-21T07 Ju +d +20.30
2071-09-21T11 Me a 1.399
2071-09-23T00 Lu xa +178.01
2071-09-23T05 Lu c +180.81
2071-09-24T03 Ju Rg +66.09
2071-09-30T01 Lu d −18.15
2071-09-30T16 Me xa +200.60
2071-10-02T11 Lu a 0.002704
2071-10-02T12 Lu V +300.02
2071-10-05T13
** 
S +187.42
2071-10-07T07 Lu xd +358.03
2071-10-08T17 Lu o +16.07
2071-10-09T09 Ve e −46.25
2071-10-14T05 Lu +d +18.20
2071-10-17T11 Lu v +136.66
2071-10-17T16 Lu p 0.002469
2071-10-17T21 Ne Rg +105.45
2071-10-18T20
** 
B +138.35
2071-10-19T10 Ve xd +160.72
2071-10-20T09 Lu xa +177.80
2071-10-22T16 Lu c +209.88
2071-10-22T18 Ne d +21.68
2071-10-27T01 Sa v +214.52
2071-10-27T07 Sa a 10.78
2071-10-27T09 Sa c +214.56
2071-10-27T10 Lu d −18.26
2071-10-30T07 Lu a 0.002702
2071-10-30T13 Lu V +308.34
2071-10-30T13 Me e +23.69
2071-11-03T10
** 
S +205.84
2071-11-03T14 Lu xd +357.29
2071-11-07T01 Me d −24.17
2071-11-07T06 Lu o +45.45
2071-11-10T11 Me Rg +247.91
2071-11-10T11 Lu +d +18.34
2071-11-11T00 Lu v +98.42
2071-11-11T13 Lu p 0.002463
2071-11-11T19
** 
s +147.27
2071-11-15T16 Ma d +22.18
2071-11-16T13 Lu xa +176.42
2071-11-17T02
** 
B +146.12
2071-11-19T10 Me xd +241.59
2071-11-20T12 Me p 0.6772
2071-11-20T22 Me V +239.58
2071-11-21T02 Me c +239.36
2071-11-21T06 Ju p 4.030
2071-11-21T07 Lu c +239.59
2071-11-22T08 Ju V +61.04
2071-11-22T17 Ju o +61.00
2071-11-23T19 Lu d −18.41
2071-11-26T16
** 
b +142.07
2071-11-27T04 Lu a 0.002706
2071-11-27T15 Lu V +317.03
2071-11-30T10 Me Pg +231.75
2071-11-30T19 Lu xd +354.97
2071-12-01T06 Me +d −15.70
2071-12-01T13 Ma Rg +120.59
2071-12-01T19
** 
S +205.94
2071-12-06T18 Lu o +75.24
2071-12-07T21 Lu +d +18.45
2071-12-08T15 Lu v +102.75
2071-12-08T18 Me e −20.62
2071-12-08T23 Lu p 0.002426
2071-12-13T13 Lu xa +173.57
2071-12-14T03
** 
B +154.07
2071-12-19T08 Ur c +268.05
2071-12-19T10 Ur v +268.05
2071-12-19T17 Ur a 20.22
2071-12-20T23 Lu c +269.67
2071-12-21T04 Lu d −18.48
2071-12-24T22 Lu a 0.002713
2071-12-25T14 Lu V +324.93
2071-12-27T16 Me xa +262.07
2071-12-27T20 Lu xd +351.78
2071-12-31T12
** 
S +261.84



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Last updated: 2020-10-14