Astronomy Answers: Planetary Phenomena 2027

Astronomy Answers
Planetary Phenomena 2027


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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

[2027] [Q 2027]

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
2027-01-01T17
** 
S +256.05
2027-01-03T02 Ma d +10.88
2027-01-03T06 Ve e −46.86
2027-01-05T08 Lu d −27.64
2027-01-06T20 Lu a 0.002718
2027-01-07T07 Lu V +287.03
2027-01-07T08 Lu c +287.31
2027-01-10T00 Ma Rg +160.43
2027-01-10T03 Lu xa +320.67
2027-01-16T03
** 
B +193.21
2027-01-17T03 Me v +307.42
2027-01-19T10 Lu +d +27.69
2027-01-21T06 Lu v +111.22
2027-01-21T09 Lu p 0.002388
2027-01-22T00 Lu o +122.26
2027-01-23T05 Lu xd +140.50
2027-01-27T01
** 
S +272.18
2027-02-01T03 Me xd +330.70
2027-02-01T14 Lu d −27.71
2027-02-02T16 Me e +18.30
2027-02-03T00 Lu V +280.19
2027-02-03T01 Lu a 0.002715
2027-02-03T19
** 
s +266.62
2027-02-06T03 Lu c +317.63
2027-02-06T09 Ur d +20.37
2027-02-06T09 Lu xa +320.53
2027-02-07T21 Ur Pg +61.68
2027-02-09T04 Ve d −21.25
2027-02-09T05 Me Rg +335.98
2027-02-10T03 Ju p 4.361
2027-02-10T06 Ju V +142.06
2027-02-10T12 Ju o +142.03
2027-02-11T23
** 
B +160.11
2027-02-12T11 Me +d −6.90
2027-02-15T19 Lu +d +27.71
2027-02-18T04 Me c +329.79
2027-02-18T19 Lu p 0.002413
2027-02-18T20 Lu v +127.71
2027-02-18T20 Me V +329.05
2027-02-19T03 Ma o +150.77
2027-02-19T05 Ma V +150.74
2027-02-19T12 Ma p 0.6779
2027-02-19T16 Lu xd +140.60
2027-02-20T11 Lu o +152.10
2027-02-20T14 Me p 0.6375
2027-02-23T19
** 
S +223.38
2027-02-28T21 Lu d −27.69
2027-03-02T16 Lu V +284.80
2027-03-02T18 Lu a 0.002709
2027-03-03T00 Me Pg +320.92
2027-03-05T16 Lu xa +320.51
2027-03-07T21 Lu c +347.58
2027-03-09T14 Me d −13.50
2027-03-11T10 Me xa +324.20
2027-03-11T19
** 
B +144.36
2027-03-12T23 Ve xa +314.56
2027-03-15T02 Lu +d +27.62
2027-03-16T16 Me e −27.61
2027-03-18T15 Lu p 0.002450
2027-03-18T22 Lu v +138.33
2027-03-19T01 Lu xd +140.07
2027-03-21T22 Lu o +181.57
2027-03-22T20 Ma +d +17.74
2027-03-23T13
** 
S +186.93
2027-03-24T11 Ne c +4.09
2027-03-24T14 Ne v +4.09
2027-03-25T09 Ne a 30.87
2027-03-28T05 Lu d −27.53
2027-03-30T13 Lu a 0.002703
2027-03-30T15 Lu V +292.23
2027-04-01T02 Ma Pg +140.92
2027-04-01T22 Lu xa +319.31
2027-04-06T11 Lu c +16.97
2027-04-07T03 Sa v +17.66
2027-04-07T04 Sa a 10.38
2027-04-07T05 Sa c +17.67
2027-04-08T23
** 
B +118.14
2027-04-10T22 Ju +d +16.73
2027-04-11T07 Lu +d +27.42
2027-04-12T13 Ju Pg +136.99
2027-04-12T14 Lu v +101.65
2027-04-13T12 Lu p 0.002473
2027-04-15T04 Lu xd +138.18
2027-04-20T10 Lu o +210.62
2027-04-21T07
** 
S +157.37
2027-04-24T13 Lu d −27.32
2027-04-25T15 Me a 1.331
2027-04-27T09 Lu a 0.002702
2027-04-27T14 Lu V +299.70
2027-04-27T23 Me o +37.54
2027-04-29T01 Lu xa +316.78
2027-04-30T02 Me xd +42.09
2027-05-01T02 Me v +44.24
2027-05-05T22 Lu c +45.72
2027-05-07T02
** 
B +101.95
2027-05-08T13 Lu +d +27.23
2027-05-08T18 Lu v +86.05
2027-05-09T08 Lu p 0.002451
2027-05-12T05 Lu xd +135.36
2027-05-19T23 Lu o +239.23
2027-05-20T17
** 
S +149.06
2027-05-21T20 Lu d −27.17
2027-05-23T14 Me +d +25.60
2027-05-25T03 Lu a 0.002706
2027-05-25T12 Lu V +306.38
2027-05-26T03 Lu xa +313.90
2027-05-26T18 Ur a 20.41
2027-05-26T18 Ur c +65.77
2027-05-27T03 Ur v +65.79
2027-05-28T01 Me e +22.83
2027-06-04T07 Lu c +73.98
2027-06-04T09
** 
B +102.08
2027-06-04T21 Lu +d +27.14
2027-06-05T19 Lu v +95.80
2027-06-06T03 Lu p 0.002418
2027-06-07T09 Me xa +96.04
2027-06-08T07 Lu xd +132.87
2027-06-10T06 Me Rg +96.36
2027-06-18T00
** 
S +151.50
2027-06-18T02 Lu d −27.14
2027-06-18T12 Lu o +267.55
2027-06-19T03
** 
b +104.67
2027-06-21T06 Me p 0.5548
2027-06-21T16 Lu a 0.002712
2027-06-22T03 Lu V +310.53
2027-06-22T06 Lu xa +311.96
2027-06-22T11 Me V +91.86
2027-06-22T19 Me c +91.66
2027-06-30T13 Me d +18.73
2027-07-02T03
** 
B +106.34
2027-07-02T07 Lu +d +27.17
2027-07-03T15 Lu c +101.98
2027-07-04T02 Ve xd +91.88
2027-07-04T04 Lu v +110.55
2027-07-04T07 Me Pg +87.47
2027-07-04T09 Lu p 0.002395
2027-07-05T10 Ne +d +1.34
2027-07-05T14 Lu xd +131.68
2027-07-06T03 Ve +d +23.45
2027-07-09T07 Ne Rg +6.66
2027-07-15T08 Lu d −27.19
2027-07-15T15 Me e −20.54
2027-07-16T07
** 
S +161.00
2027-07-18T03 Lu o +295.79
2027-07-18T23 Lu a 0.002715
2027-07-19T06 Lu V +308.94
2027-07-19T11 Lu xa +311.42
2027-07-25T22 Me +d +22.14
2027-07-27T02 Me xd +108.79
2027-07-29T17 Lu +d +27.21
2027-07-30T07
** 
B +120.16
2027-08-01T18 Lu v +127.37
2027-08-01T18 Lu p 0.002389
2027-08-01T22 Lu c +129.92
2027-08-02T00 Lu xd +131.46
2027-08-02T07 Sa +d +8.31
2027-08-06T15 Me v +129.70
2027-08-08T09 Ve a 1.732
2027-08-09T04 Sa Rg +27.88
2027-08-10T23 Ve o +138.48
2027-08-11T00 Me o +138.67
2027-08-11T01 Ma xa +196.31
2027-08-11T14 Lu d −27.22
2027-08-14T21 Lu V +301.81
2027-08-15T01
** 
S +188.78
2027-08-15T02 Lu a 0.002714
2027-08-15T17 Me a 1.360
2027-08-15T17 Lu xa +311.53
2027-08-16T19 Lu o +324.20
2027-08-26T02 Lu +d +27.19
2027-08-28T05
** 
B +148.93
2027-08-29T11 Lu xd +131.41
2027-08-30T03 Lu p 0.002401
2027-08-30T07 Lu v +144.14
2027-08-30T17 Ju a 6.409
2027-08-30T19 Ju c +157.70
2027-08-30T22 Ju v +157.72
2027-08-31T05 Lu c +158.10
2027-09-03T08 Me xa +180.59
2027-09-07T21 Lu d −27.13
2027-09-11T04 Lu V +301.88
2027-09-11T12 Lu a 0.002710
2027-09-11T23 Lu xa +311.10
2027-09-13T20
** 
S +249.69
2027-09-14T19 Ur Rg +69.95
2027-09-15T09 Ur +d +21.84
2027-09-15T11 Lu o +352.87
2027-09-22T08 Lu +d +27.03
2027-09-24T03 Me e +26.12
2027-09-25T18 Lu xd +130.29
2027-09-27T05 Ne p 28.87
2027-09-27T07 Lu p 0.002430
2027-09-27T13
** 
B +183.58
2027-09-27T17 Lu v +158.98
2027-09-28T02 Ne o +5.23
2027-09-28T03 Ne V +5.23
2027-09-29T14 Lu c +186.71
2027-10-02T03 Ve v +203.16
2027-10-05T05 Lu d −26.93
2027-10-06T16 Me d −16.49
2027-10-07T02 Me Rg +214.92
2027-10-08T22 Lu V +307.22
2027-10-09T02 Lu xa +309.24
2027-10-09T04 Lu a 0.002704
2027-10-15T01 Lu o +22.00
2027-10-15T03
** 
S +337.76
2027-10-17T12 Sa o +24.41
2027-10-17T12 Sa p 8.326
2027-10-17T15 Me p 0.6645
2027-10-17T15 Sa V +24.39
2027-10-18T17 Me V +206.56
2027-10-19T03 Me c +206.02
2027-10-19T13 Lu +d +26.80
2027-10-20T14 Ve V +226.07
2027-10-22T20 Lu xd +127.75
2027-10-23T01 Me xd +201.68
2027-10-23T16 Ve xa +229.90
2027-10-24T16 Lu p 0.002464
2027-10-25T03 Ve v +231.74
2027-10-25T12 Lu v +165.89
2027-10-28T02 Me Pg +199.31
2027-10-29T01 Lu c +215.90
2027-10-29T08
** 
B +199.48
2027-10-30T03 Me +d −6.07
2027-11-01T13 Lu d −26.71
2027-11-03T20 Me e −18.63
2027-11-05T04 Lu xa +306.22
2027-11-05T21 Lu V +314.53
2027-11-05T23 Lu a 0.002702
2027-11-10T01
** 
s +138.97
2027-11-13T15 Lu o +51.54
2027-11-15T19 Lu +d +26.62
2027-11-17T06
** 
S +313.47
2027-11-17T20 Lu v +110.74
2027-11-18T12 Lu p 0.002469
2027-11-18T20 Lu xd +124.80
2027-11-24T01 Me v +232.29
2027-11-26T08 Ma d −24.44
2027-11-27T15 Lu c +245.66
2027-11-27T16 Ve d −24.81
2027-11-28T21 Lu d −26.59
2027-11-29T18 Ur V +67.93
2027-11-29T21 Ur o +67.92
2027-11-29T22 Ur p 18.38
2027-11-30T08 Me xa +242.22
2027-12-02T07 Lu xa +303.53
2027-12-03T20 Lu a 0.002705
2027-12-03T21 Lu V +322.42
2027-12-04T17
** 
B +163.03
2027-12-07T14 Me V +253.67
2027-12-10T16 Me a 1.451
2027-12-10T23 Me o +258.98
2027-12-11T22 Ne d +0.21
2027-12-13T03 Lu +d +26.58
2027-12-13T04 Lu o +81.41
2027-12-14T19 Ne Pg +3.85
2027-12-15T07 Lu v +112.67
2027-12-15T14 Lu p 0.002433
2027-12-16T00 Lu xd +122.83
2027-12-17T01
** 
S +209.11
2027-12-17T09 Sa d +5.79
2027-12-20T22 Me d −25.24
2027-12-23T13 Sa Pg +21.02
2027-12-26T03 Lu d −26.58
2027-12-27T08 Lu c +275.83
2027-12-29T12 Lu xa +302.36
2027-12-29T23 Me v +289.16
2027-12-31T15 Lu a 0.002711
2027-12-31T19 Lu V +329.17



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Last updated: 2020-10-14