Astronomy Answers: Planetary Phenomena 2089

Astronomy Answers
Planetary Phenomena 2089


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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

[2089] [Q 2089]

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
2089-01-02T22 Me c +283.79
2089-01-03T03 Me V +283.51
2089-01-03T15 Me p 0.6723
2089-01-04T00 Lu xa +204.15
2089-01-06T21 Me +d −19.90
2089-01-08T23 Lu d −18.95
2089-01-09T00 Ve xd +335.81
2089-01-10T04 Lu V +278.49
2089-01-10T16 Lu a 0.002719
2089-01-11T00 Sa d +15.71
2089-01-11T08 Lu c +292.39
2089-01-11T13
** 
B +207.02
2089-01-13T19 Me Pg +275.06
2089-01-18T16 Lu xd +22.13
2089-01-20T06 Sa Pg +50.45
2089-01-22T00
** 
s +233.66
2089-01-23T03 Lu +d +18.86
2089-01-25T07 Lu p 0.002388
2089-01-25T07 Lu v +117.30
2089-01-25T08 Me e −24.57
2089-01-25T23 Lu o +127.20
2089-01-28T14
** 
S +287.93
2089-01-29T12 Ma p 0.6658
2089-01-30T00 Me d −21.96
2089-01-30T21 Ma V +132.88
2089-01-31T02 Lu xa +200.89
2089-01-31T08 Ma o +132.69
2089-02-01T11 Me xa +290.25
2089-02-05T06 Lu d −18.78
2089-02-06T07 Lu V +277.06
2089-02-06T22 Lu a 0.002716
2089-02-09T07 Ne o +141.77
2089-02-09T08 Ne V +141.77
2089-02-09T18 Ne p 29.11
2089-02-10T03 Lu c +322.66
2089-02-10T12 Ve Rg +352.13
2089-02-14T17 Lu xd +19.50
2089-02-14T18
** 
B +187.14
2089-02-19T12 Lu +d +18.66
2089-02-20T02 Ve +d +3.26
2089-02-22T16 Lu v +130.95
2089-02-22T16 Lu p 0.002414
2089-02-24T10 Lu o +157.02
2089-02-25T06 Ur v +337.92
2089-02-25T07 Ur c +337.92
2089-02-26T07 Ur a 21.05
2089-02-26T21
** 
S +276.11
2089-02-27T08 Lu xa +198.79
2089-02-28T04 Ju d −16.23
2089-03-01T16 Ma +d +23.14
2089-03-02T17 Ve p 0.2767
2089-03-03T02 Ve V +344.20
2089-03-03T09 Ve c +344.03
2089-03-03T10 Ju Rg +228.92
2089-03-04T14 Lu d −18.58
2089-03-05T20 Me a 1.375
2089-03-06T06 Lu V +284.98
2089-03-06T15 Lu a 0.002709
2089-03-11T20 Lu c +225.95
2089-03-12T07 Ma Pg +123.16
2089-03-13T00 Me o +354.04
2089-03-13T21 Lu xd +18.36
2089-03-14T20
** 
B +170.46
2089-03-18T19 Lu +d +18.51
2089-03-19T01 Me v +6.07
2089-03-22T11 Lu p 0.002451
2089-03-22T11 Lu v +137.67
2089-03-23T04 Me xd +14.26
2089-03-24T04 Ve Pg +336.12
2089-03-25T21 Lu o +186.42
2089-03-26T18 Lu xa +198.32
2089-03-28T08
** 
S +245.28
2089-03-31T22 Lu d −18.49
2089-04-03T09 Lu V +294.18
2089-04-03T10 Lu a 0.002703
2089-04-06T19 Me e +19.06
2089-04-06T22 Ve d −4.70
2089-04-10T04 Lu xd +18.36
2089-04-10T10 Lu c +21.85
2089-04-12T23
** 
B +162.81
2089-04-14T22 Me +d +18.25
2089-04-15T00 Lu +d +18.49
2089-04-16T00 Me Rg +41.85
2089-04-16T22 Lu v +112.11
2089-04-17T04 Lu p 0.002473
2089-04-23T02 Lu xa +198.38
2089-04-24T09 Lu o +215.40
2089-04-25T22
** 
S +233.65
2089-04-26T11 Me c +37.47
2089-04-27T04 Me V +37.00
2089-04-28T07 Lu d −18.52
2089-04-29T08 Me p 0.5630
2089-04-29T16 Ne Pg +140.35
2089-04-29T18 Ne +d +14.97
2089-04-30T10 Me xa +34.87
2089-04-30T13 Ve xa +355.98
2089-05-01T05 Lu a 0.002703
2089-05-01T11 Lu V +303.26
2089-05-03T05 Ju o +224.05
2089-05-03T17 Ju V +223.99
2089-05-04T15 Ju p 4.412
2089-05-07T13 Lu xd +18.21
2089-05-09T18 Me Pg +31.73
2089-05-09T22 Lu c +50.56
2089-05-10T17
** 
B +158.89
2089-05-12T06 Ve e −46.03
2089-05-12T08 Lu +d +18.56
2089-05-13T01 Lu v +95.72
2089-05-13T04 Lu p 0.002448
2089-05-14T03 Me d +9.50
2089-05-20T01 Sa v +60.67
2089-05-20T08 Lu xa +197.72
2089-05-20T12 Sa c +60.73
2089-05-20T14 Sa a 10.10
2089-05-23T22 Lu o +243.97
2089-05-24T00 Me e −25.07
2089-05-24T02
** 
S +222.36
2089-05-25T16 Lu d −18.61
2089-05-28T23 Lu a 0.002707
2089-05-29T11 Lu V +311.42
2089-06-03T19 Lu xd +16.81
2089-06-08T06 Lu c +78.73
2089-06-08T18 Lu +d +18.62
2089-06-09T00
** 
B +147.65
2089-06-09T21 Lu v +103.06
2089-06-10T00 Lu p 0.002415
2089-06-12T21 Ur +d −7.81
2089-06-14T21 Ur Rg +341.93
2089-06-16T10 Lu xa +195.75
2089-06-19T04 Me xd +80.06
2089-06-21T23 Lu d −18.64
2089-06-22T12 Lu o +272.33
2089-06-22T20
** 
S +200.02
2089-06-25T12 Lu a 0.002713
2089-06-25T13 Me v +93.87
2089-06-26T06 Lu V +317.20
2089-06-27T00 Me o +97.00
2089-06-27T03 Me +d +24.48
2089-06-27T20 Me a 1.326
2089-06-30T13 Ju +d −13.41
2089-06-30T23 Lu xd +14.14
2089-07-04T23 Ju Pg +219.03
2089-07-06T05 Lu +d +18.60
2089-07-07T13 Lu c +106.72
2089-07-08T03 Lu v +115.41
2089-07-08T06 Lu p 0.002393
2089-07-08T10
** 
B +137.38
2089-07-13T11 Lu xa +192.88
2089-07-19T07 Lu d −18.56
2089-07-22T02 Lu o +300.53
2089-07-22T18 Lu a 0.002716
2089-07-23T02
** 
S +192.20
2089-07-23T12 Lu V +317.12
2089-07-27T09 Me xa +151.41
2089-07-28T00 Lu xd +11.32
2089-07-31T16 Ve +d +22.25
2089-08-02T16 Lu +d +18.46
2089-08-04T19 Me e +27.29
2089-08-05T12 Lu v +129.47
2089-08-05T15 Lu p 0.002388
2089-08-05T20 Lu c +134.72
2089-08-06T13
** 
B +135.53
2089-08-09T15 Lu xa +190.55
2089-08-13T20 Ne a 31.12
2089-08-14T03 Ne v +142.87
2089-08-14T10 Ne c +142.89
2089-08-15T13 Lu d −18.40
2089-08-18T19 Me Rg +168.41
2089-08-18T21 Lu a 0.002715
2089-08-18T22 Lu V +307.20
2089-08-20T18 Lu o +329.01
2089-08-21T02
** 
S +190.26
2089-08-21T10 Me d +0.71
2089-08-21T16 Ve xd +120.70
2089-08-24T03 Lu xd +9.63
2089-08-29T13 Me p 0.6231
2089-08-30T01 Lu +d +18.31
2089-08-31T05 Ur p 19.06
2089-08-31T17 Me V +161.09
2089-09-01T03 Ur o +339.94
2089-09-01T06 Ur V +339.94
2089-09-01T12 Me c +160.34
2089-09-02T12
** 
b +112.48
2089-09-02T21 Lu v +143.79
2089-09-03T00 Lu p 0.002402
2089-09-03T14 Ma xa +204.45
2089-09-03T19
** 
B +133.84
2089-09-04T04 Lu c +162.93
2089-09-05T23 Lu xa +189.35
2089-09-11T00 Me Pg +154.83
2089-09-11T21 Lu d −18.26
2089-09-12T03 Sa +d +20.20
2089-09-15T03 Me xd +156.15
2089-09-15T04 Lu V +307.21
2089-09-15T07 Lu a 0.002710
2089-09-15T10 Me +d +9.26
2089-09-17T18 Me e −17.86
2089-09-18T14
** 
S +191.36
2089-09-18T14
** 
s +113.46
2089-09-19T09 Lu o +357.70
2089-09-20T08 Lu xd +9.16
2089-09-22T01 Sa Rg +71.33
2089-09-26T07 Lu +d +18.23
2089-09-29T06
** 
b +113.27
2089-10-01T02 Lu v +156.03
2089-10-01T04 Lu p 0.002431
2089-10-02T21
** 
B +136.68
2089-10-03T09 Lu xa +189.21
2089-10-03T13 Lu c +191.58
2089-10-03T19 Me v +183.29
2089-10-09T05 Lu d −18.23
2089-10-12T23 Lu a 0.002705
2089-10-13T00 Lu V +313.37
2089-10-15T00 Me o +202.97
2089-10-17T15 Lu xd +9.28
2089-10-18T22
** 
S +196.50
2089-10-19T01 Lu o +26.93
2089-10-22T01 Me a 1.431
2089-10-23T09 Me xa +216.86
2089-10-23T13 Lu +d +18.27
2089-10-28T08 Lu v +154.72
2089-10-28T10 Lu p 0.002466
2089-10-30T18 Lu xa +189.10
2089-11-02T01 Lu c +220.91
2089-11-02T01
** 
B +140.91
2089-11-05T14 Lu d −18.32
2089-11-09T19 Lu a 0.002702
2089-11-10T01 Lu V +321.41
2089-11-13T22 Lu xd +8.51
2089-11-14T00 Ur d −9.29
2089-11-15T21 Ur Pg +338.01
2089-11-17T15 Lu o +56.47
2089-11-18T05
** 
S +201.25
2089-11-18T13 Ju a 6.366
2089-11-19T20 Lu +d +18.38
2089-11-20T15 Ju c +239.57
2089-11-21T13 Lu v +112.22
2089-11-22T05 Lu p 0.002467
2089-11-22T18 Ju v +240.04
2089-11-24T10 Ne d +13.37
2089-11-26T05 Ne Rg +145.36
2089-11-26T06
** 
s +119.04
2089-11-26T16 Me d −25.87
2089-11-26T22 Lu xa +187.63
2089-11-28T17 Sa p 8.076
2089-11-28T19 Sa o +67.83
2089-11-28T22 Sa V +67.82
2089-11-29T17 Me e +21.46
2089-12-01T15 Lu c +250.63
2089-12-02T16
** 
B +142.08
2089-12-03T00 Lu d −18.43
2089-12-06T19 Ma d −24.30
2089-12-07T16 Lu a 0.002706
2089-12-08T00 Ve v +255.09
2089-12-08T03 Lu V +330.16
2089-12-08T14 Me Rg +275.47
2089-12-11T03 Lu xd +6.18
2089-12-11T06 Ve xa +259.19
2089-12-12T02 Me xd +274.33
2089-12-15T23 Ve o +265.15
2089-12-16T11 Ve a 1.711
2089-12-17T03 Lu o +86.39
2089-12-17T04 Ve V +266.63
2089-12-17T07 Lu +d +18.45
2089-12-17T15
** 
S +198.32
2089-12-18T00
** 
b +116.58
2089-12-18T05 Me c +267.52
2089-12-18T06 Me V +267.43
2089-12-18T10 Me p 0.6771
2089-12-19T03 Lu v +115.52
2089-12-19T11 Lu p 0.002430
2089-12-23T00 Ve d −23.83
2089-12-23T22 Lu xa +184.87
2089-12-26T13 Ve v +278.44
2089-12-26T16 Me +d −19.97
2089-12-28T10 Me Pg +259.15
2089-12-30T09 Lu d −18.45
2089-12-31T03
** 
s +117.77
2089-12-31T08 Lu c +280.89
2089-12-31T12
** 
B +140.89



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Last updated: 2021-07-19