| E | O (JD) | O (dat) | Period |
| -183 | 2414650 | 1898-12-26 | 162.17 |
| -180 | 2415130 | 1900-04-20 | 162.05 |
| -178 | 2415440 | 1901-02-24 | 162.13 |
| -176 | 2415771 | 1902-01-21 | 161.85 |
| -175 | 2415937 | 1902-07-06 | 161.95 |
| -174 | 2416098 | 1902-12-14 | 163.41 |
| -173 | 2416262 | 1903-05-27 | 164.4 |
| -172 | 2416428 | 1903-11-09 | 164 |
| -171 | 2416591 | 1904-04-20 | 164 |
| -170 | 2416757 | 1904-10-03 | 163.92 |
| -169 | 2416920 | 1905-03-15 | 163.35 |
| -168 | 2417084 | 1905-08-26 | 162.86 |
| -167 | 2417247 | 1906-02-05 | 162.58 |
| -166 | 2417408 | 1906-07-16 | 163.29 |
| -165 | 2417569 | 1906-12-24 | 163.72 |
| -164 | 2417730 | 1907-06-03 | 163.58 |
| -163 | 2417894 | 1907-11-14 | 163.79 |
| -162 | 2418069 | 1908-05-07 | 163.71 |
| -161 | 2418227 | 1908-10-12 | 163.99 |
| -160 | 2418394 | 1909-03-28 | 164.42 |
| -159 | 2418554 | 1909-09-04 | 164 |
| -158 | 2418715 | 1910-02-12 | 163.22 |
| -157 | 2418880 | 1910-07-27 | 163.5 |
| -156 | 2419046 | 1911-01-09 | 164.22 |
| -155 | 2419213 | 1911-06-25 | 164.72 |
| -154 | 2419368 | 1911-11-27 | 165.08 |
| -153 | 2419542 | 1912-05-19 | 165.08 |
| -152 | 2419705 | 1912-10-29 | 164.07 |
| -151 | 2419870 | 1913-04-12 | 163.99 |
| -150 | 2420036 | 1913-09-25 | 163.85 |
| -149 | 2420201 | 1914-03-09 | 163.13 |
| -148 | 2420355 | 1914-08-10 | 163.14 |
| -147 | 2420522 | 1915-01-24 | 162.93 |
| -146 | 2420682 | 1915-07-03 | 163 |
| -145 | 2420849 | 1915-12-17 | 164.29 |
| -144 | 2421010 | 1916-05-26 | 165.36 |
| -143 | 2421177 | 1916-11-09 | 165.29 |
| -142 | 2421342 | 1917-04-23 | 164.93 |
| -141 | 2421514 | 1917-10-12 | 164.78 |
| -140 | 2421678 | 1918-03-25 | 164.42 |
| -139 | 2421840 | 1918-09-03 | 163.49 |
| -138 | 2422000 | 1919-02-10 | 162 |
| -137 | 2422166 | 1919-07-26 | 161.65 |
| -136 | 2422323 | 1919-12-30 | 162.29 |
| -135 | 2422485 | 1920-06-09 | 161.93 |
| -134 | 2422639 | 1920-11-10 | 161.29 |
| -133 | 2422816 | 1921-05-06 | 160.58 |
| -132 | 2422974 | 1921-10-11 | 160.29 |
| -131 | 2423133 | 1922-03-19 | 161.21 |
| -130 | 2423291 | 1922-08-24 | 161.06 |
| -129 | 2423446 | 1923-01-26 | 160.2 |
| -128 | 2423606 | 1923-07-05 | 160.78 |
| -127 | 2423775 | 1923-12-21 | 161.15 |
| -126 | 2423935 | 1924-05-29 | 161.93 |
| -125 | 2424098 | 1924-11-08 | 162.43 |
| -124 | 2424260 | 1925-04-19 | 162.15 |
| -123 | 2424420 | 1925-09-26 | 162.08 |
| -122 | 2424584 | 1926-03-09 | 162.43 |
| -121 | 2424742 | 1926-08-14 | 163 |
| -120 | 2424909 | 1927-01-28 | 163.99 |
| -119 | 2425070 | 1927-07-08 | 164.28 |
| -118 | 2425237 | 1927-12-22 | 164.58 |
| -117 | 2425403 | 1928-06-05 | 166 |
| -116 | 2425573 | 1928-11-22 | 166.72 |
| -115 | 2425731 | 1929-04-29 | 166.43 |
| -114 | 2425899 | 1929-10-14 | 165.86 |
| -113 | 2426076 | 1930-04-09 | 165 |
| -112 | 2426237 | 1930-09-17 | 164.85 |
| -111 | 2426400 | 1931-02-27 | 165.06 |
| -110 | 2426562 | 1931-08-08 | 164.2 |
| -109 | 2426724 | 1932-01-17 | 164.28 |
| -108 | 2426888 | 1932-06-29 | 165 |
| -107 | 2427053 | 1932-12-11 | 164.72 |
| -106 | 2427221 | 1933-05-28 | 164.79 |
| -105 | 2427392 | 1933-11-15 | 165.22 |
| -104 | 2427555 | 1934-04-27 | 165.5 |
| -103 | 2427713 | 1934-10-02 | 165.5 |
| -102 | 2427880 | 1935-03-18 | 164.71 |
| -101 | 2428045 | 1935-08-30 | 164.35 |
| -100 | 2428213 | 1936-02-14 | 165.63 |
| -99 | 2428378 | 1936-07-28 | 166.56 |
| -98 | 2428541 | 1937-01-07 | 166.21 |
| -97 | 2428707 | 1937-06-22 | 166 |
| -96 | 2428880 | 1937-12-12 | 165.86 |
| -95 | 2429045 | 1938-05-26 | 166.58 |
| -94 | 2429207 | 1938-11-04 | 167.29 |
| -93 | 2429375 | 1939-04-21 | 166.86 |
| -92 | 2429538 | 1939-10-01 | 166.43 |
| -91 | 2429713 | 1940-03-24 | 166.71 |
| -90 | 2429877 | 1940-09-04 | 167.63 |
| -89 | 2430046 | 1941-02-20 | 167.85 |
| -88 | 2430209 | 1941-08-02 | 166.78 |
| -87 | 2430377 | 1942-01-17 | 166.58 |
| -86 | 2430552 | 1942-07-11 | 166.79 |
| -85 | 2430711 | 1942-12-17 | 166.36 |
| -84 | 2430875 | 1943-05-30 | 166.15 |
| -83 | 2431047 | 1943-11-18 | 165.79 |
| -82 | 2431211 | 1944-04-30 | 166.36 |
| -81 | 2431373 | 1944-10-09 | 167.07 |
| -80 | 2431539 | 1945-03-24 | 166.13 |
| -79 | 2431711 | 1945-09-12 | 165.35 |
| -78 | 2431881 | 1946-03-01 | 166.36 |
| -77 | 2432044 | 1946-08-11 | 166.08 |
| -76 | 2432204 | 1947-01-18 | 164.43 |
| -75 | 2432369 | 1947-07-02 | 164.08 |
| -74 | 2432544 | 1947-12-24 | 163.86 |
| -73 | 2432693 | 1948-05-21 | 164 |
| -72 | 2432859 | 1948-11-03 | 163.71 |
| -71 | 2433030 | 1949-04-23 | 162.06 |
| -70 | 2433189 | 1949-09-29 | 161.99 |
| -69 | 2433355 | 1950-03-14 | 162.78 |
| -68 | 2433510 | 1950-08-16 | 161.72 |
| -67 | 2433672 | 1951-01-25 | 160.93 |
| -66 | 2433833 | 1951-07-05 | 160.86 |
| -65 | 2433998 | 1951-12-17 | 161.65 |
| -64 | 2434155 | 1952-05-22 | 162.65 |
| -63 | 2434317 | 1952-10-31 | 163.5 |
| -62 | 2434479 | 1953-04-11 | 163.64 |
| -61 | 2434649 | 1953-09-28 | 163.2 |
| -60 | 2434810 | 1954-03-08 | 163.28 |
| -59 | 2434984 | 1954-08-29 | 163.28 |
| -58 | 2435138 | 1955-01-30 | 163.65 |
| -57 | 2435300 | 1955-07-11 | 163.5 |
| -56 | 2435458 | 1955-12-16 | 162.29 |
| -55 | 2435624 | 1956-05-30 | 162.86 |
| -54 | 2435795 | 1956-11-17 | 163.72 |
| -53 | 2435953 | 1957-04-24 | 163.36 |
| -52 | 2436113 | 1957-10-01 | 163.64 |
| -51 | 2436289 | 1958-03-26 | 163.35 |
| -50 | 2436441 | 1958-08-25 | 163.06 |
| -49 | 2436604 | 1959-02-04 | 163.2 |
| -48 | 2436769 | 1959-07-19 | 163.21 |
| -47 | 2436937 | 1960-01-03 | 163.36 |
| -46 | 2437094 | 1960-06-08 | 163.72 |
| -45 | 2437257 | 1960-11-18 | 163.29 |
| -44 | 2437430 | 1961-05-10 | 162.79 |
| -43 | 2437587 | 1961-10-14 | 163.5 |
| -42 | 2437750 | 1962-03-26 | 164 |
| -41 | 2437909 | 1962-09-01 | 162.93 |
| -40 | 2438076 | 1963-02-15 | 162.7 |
| -39 | 2438244 | 1963-08-02 | 162.99 |
| -38 | 2438403 | 1964-01-08 | 162.93 |
| -37 | 2438565 | 1964-06-18 | 163.22 |
| -36 | 2438730 | 1964-11-30 | 163.22 |
| -35 | 2438889 | 1965-05-08 | 162.72 |
| -34 | 2439051 | 1965-10-17 | 162.29 |
| -33 | 2439219 | 1966-04-03 | 162.36 |
| -32 | 2439386 | 1966-09-17 | 162.93 |
| -31 | 2439539 | 1967-02-17 | 163.64 |
| -30 | 2439701 | 1967-07-29 | 163.06 |
| -29 | 2439867 | 1968-01-11 | 162.43 |
| -28 | 2440033 | 1968-06-25 | 163.29 |
| -27 | 2440198 | 1968-12-07 | 164.29 |
| -26 | 2440355 | 1969-05-13 | 164.36 |
| -25 | 2440524 | 1969-10-29 | 164.22 |
| -24 | 2440687 | 1970-04-10 | 164.08 |
| -23 | 2440853 | 1970-09-23 | 163.93 |
| -22 | 2441016 | 1971-03-05 | 164 |
| -21 | 2441183 | 1971-08-19 | 163.99 |
| -20 | 2441345 | 1972-01-28 | 163.78 |
| -19 | 2441503 | 1972-07-04 | 163.14 |
| -18 | 2441672 | 1972-12-20 | 162.15 |
| -17 | 2441835 | 1973-06-01 | 161.65 |
| -16 | 2441998 | 1973-11-11 | 162.86 |
| -15 | 2442155 | 1974-04-17 | 162.86 |
| -14 | 2442314 | 1974-09-23 | 161.22 |
| -13 | 2442477 | 1975-03-05 | 161.29 |
| -12 | 2442651 | 1975-08-26 | 162.71 |
| -11 | 2442804 | 1976-01-26 | 163.7 |
| -10 | 2442960 | 1976-06-30 | 163.56 |
| -9 | 2443131 | 1976-12-18 | 162.5 |
| -8 | 2443300 | 1977-06-05 | 162.79 |
| -7 | 2443461 | 1977-11-13 | 164.43 |
| -6 | 2443620 | 1978-04-21 | 163.93 |
| -5 | 2443783 | 1978-10-01 | 162.86 |
| -4 | 2443951 | 1979-03-18 | 163.72 |
| -3 | 2444115 | 1979-08-29 | 164.43 |
| -2 | 2444271 | 1980-02-01 | 163.57 |
| -1 | 2444440 | 1980-07-19 | 162.2 |
| 0 | 2444613 | 1981-01-08 | 161.78 |
| 1 | 2444770 | 1981-06-14 | 162.85 |
| 2 | 2444923 | 1981-11-14 | 163.21 |
| 3 | 2445082 | 1982-04-22 | 162.29 |
| 4 | 2445249 | 1982-10-06 | 162.08 |
| 5 | 2445417 | 1983-03-23 | 163.36 |
| 6 | 2445579 | 1983-09-01 | 165.5 |
| 7 | 2445746 | 1984-02-15 | 166.22 |
| 8 | 2445906 | 1984-07-24 | 165.5 |
| 9 | 2446074 | 1985-01-08 | 165.14 |
| 10 | 2446248 | 1985-07-01 | 165.63 |
| 11 | 2446410 | 1985-12-10 | 166.63 |
| 12 | 2446573 | 1986-05-22 | 166.71 |
| 13 | 2446735 | 1986-10-31 | 165.08 |
| 14 | 2446909 | 1987-04-23 | 164.29 |
| 15 | 2447076 | 1987-10-07 | 164.86 |
| 16 | 2447238 | 1988-03-17 | 165.86 |
| 17 | 2447395 | 1988-08-21 | 165.79 |
| 18 | 2447563 | 1989-02-05 | 164.65 |
| 19 | 2447728 | 1989-07-20 | 165 |
| 20 | 2447902 | 1990-01-10 | 166.35 |
| 21 | 2448063 | 1990-06-20 | 166.43 |
| 22 | 2448227 | 1990-12-01 | 166.86 |
| 23 | 2448397 | 1991-05-20 | 166.93 |
| 24 | 2448565 | 1991-11-04 | 166 |
| 25 | 2448723 | 1992-04-10 | 166.22 |
| 26 | 2448904 | 1992-10-08 | 165.65 |
| 27 | 2449063 | 1993-03-16 | 165.22 |
| 28 | 2449226 | 1993-08-26 | 165.21 |
| 29 | 2449391 | 1994-02-07 | 164.56 |
| 30 | 2449552 | 1994-07-18 | 164.92 |
| 31 | 2449723 | 1995-01-05 | 165.71 |
| 32 | 2449878 | 1995-06-09 | 165.58 |
| 33 | 2450053 | 1995-12-01 | 165.5 |
| 34 | 2450223 | 1996-05-19 | 165.72 |
| 35 | 2450386 | 1996-10-29 | 166.29 |
| 36 | 2450549 | 1997-04-10 | 166.29 |
| 37 | 2450711 | 1997-09-19 | 165.79 |
| 38 | 2450884 | 1998-03-11 | 165.93 |
| 39 | 2451045 | 1998-08-19 | 166.2 |
| 40 | 2451214 | 1999-02-04 | 166.92 |
| 41 | 2451383 | 1999-07-23 | 167.64 |
| 42 | 2451549 | 2000-01-05 | 167 |
| 43 | 2451713 | 2000-06-17 | 166.72 |
| 44 | 2451884 | 2000-12-05 | 166.29 |
| 45 | 2452058 | 2001-05-28 | 165.65 |
| 46 | 2452209 | 2001-10-26 | 165.86 |
| 47 | 2452384 | 2002-04-19 | 165.65 |
| 48 | 2452541 | 2002-09-23 | 165 |
| 49 | 2452710 | 2003-03-11 | 165.7 |
| 50 | 2452874 | 2003-08-22 | 165.7 |
| 51 | 2453042 | 2004-02-06 | 165.06 |
| 52 | 2453210 | 2004-07-23 | 166.14 |
| 53 | 2453377 | 2005-01-06 | 166.79 |
| 54 | 2453536 | 2005-06-14 | 166.58 |
| 55 | 2453700 | 2005-11-25 | 165.93 |
| 56 | 2453877 | 2006-05-21 | 165.93 |
| 57 | 2454042 | 2006-11-02 | 166.5 |
| 58 | 2454206 | 2007-04-15 | 166.72 |
| 59 | 2454369 | 2007-09-25 | 165.14 |
| 60 | 2454541 | 2008-03-15 | 163.42 |
| 61 | 2454703 | 2008-08-24 | 162.92 |
| 62 | 2454867 | 2009-02-04 | 163.21 |
| 63 | 2455022 | 2009-07-09 | 163.08 |
| 64 | 2455185 | 2009-12-19 | 162.15 |
| 65 | 2455344 | 2010-05-27 | 161.79 |
| 66 | 2455516 | 2010-11-15 | 162.15 |
| 67 | 2455677 | 2011-04-25 | 162.79 |
| 68 | 2455837 | 2011-10-02 | 163.15 |
| 69 | 2455998 | 2012-03-11 | 162.93 |
| 70 | 2456161 | 2012-08-21 | 162.28 |
| 71 | 2456325 | 2013-02-01 | 162.5 |
| 72 | 2456488 | 2013-07-14 | 163.36 |
| 73 | 2456653 | 2013-12-26 | 164.15 |
| 74 | 2456812 | 2014-06-03 | 164.43 |
| 75 | 2456977 | 2014-11-15 | 164.36 |
| 76 | 2457145 | 2015-05-02 | 164.5 |
| 77 | 2457312 | 2015-10-16 | 165.65 |
| 78 | 2457476 | 2016-03-28 | 166.43 |
| 79 | 2457638 | 2016-09-06 | 165.56 |
| 80 | 2457806 | 2017-02-21 | 164.7 |
| 81 | 2457978 | 2017-08-12 | 164.35 |
| 82 | 2458141 | 2018-01-22 | 164.79 |
| 83 | 2458299 | 2018-06-29 | 165.15 |
| 84 | 2458464 | 2018-12-11 | 164 |
| 85 | 2458625 | 2019-05-21 | 163.5 |
| 86 | 2458796 | 2019-11-08 | 164.15 |
| 87 | 2458960 | 2020-04-20 | 164.5 |
| 88 | 2459120 | 2020-09-27 | 164.46 |
| 89 | 2459288 | 2021-03-14 | 164.1 |
| 90 | 2459450 | 2021-08-23 | 163.45 |
| 91 | 2459616 | 2022-02-05 | 164.14 |
| 93 | 2459940 | 2022-12-26 | 164.9 |
| E | Cycle number from the GCVS4 epoch. |
| O (JD) | Julian date at observed time for maximum. |
| O (Dat) | Same as above, expressed as date. |
| Period | Calculated mean period at cycle number E. |