| E | O (JD) | O (dat) | Period |
| -142 | 2411192 | 1889-07-08 | 219.79 |
| -139 | 2411870 | 1891-05-17 | 219.89 |
| -132 | 2413399 | 1895-07-24 | 219.63 |
| -131 | 2413604 | 1896-02-14 | 218.82 |
| -130 | 2413835 | 1896-10-02 | 218.34 |
| -129 | 2414056 | 1897-05-11 | 217.96 |
| -127 | 2414491 | 1898-07-20 | 219.25 |
| -125 | 2414909 | 1899-09-11 | 218.95 |
| -124 | 2415140 | 1900-04-30 | 216.91 |
| -122 | 2415578 | 1901-07-12 | 216.13 |
| -121 | 2415810 | 1902-03-01 | 217.05 |
| -119 | 2416227 | 1903-04-22 | 217.1 |
| -117 | 2416653 | 1904-06-21 | 215.6 |
| -116 | 2416865 | 1905-01-19 | 215.55 |
| -115 | 2417093 | 1905-09-04 | 215.31 |
| -114 | 2417298 | 1906-03-28 | 216.12 |
| -112 | 2417732 | 1907-06-05 | 217.44 |
| -111 | 2417967 | 1908-01-26 | 216.56 |
| -110 | 2418161 | 1908-08-07 | 217.47 |
| -109 | 2418393 | 1909-03-27 | 218.17 |
| -108 | 2418604 | 1909-10-24 | 217.01 |
| -107 | 2418819 | 1910-05-27 | 216.89 |
| -105 | 2419269 | 1911-08-20 | 216.55 |
| -103 | 2419688 | 1912-10-12 | 216.33 |
| -102 | 2419917 | 1913-05-29 | 216.67 |
| -101 | 2420115 | 1913-12-13 | 216 |
| -100 | 2420337 | 1914-07-23 | 216.53 |
| -99 | 2420554 | 1915-02-25 | 217.42 |
| -98 | 2420769 | 1915-09-28 | 218.57 |
| -97 | 2420991 | 1916-05-07 | 219.29 |
| -96 | 2421214 | 1916-12-16 | 219 |
| -95 | 2421435 | 1917-07-25 | 219.99 |
| -94 | 2421657 | 1918-03-04 | 219.86 |
| -93 | 2421865 | 1918-09-28 | 219.51 |
| -92 | 2422092 | 1919-05-13 | 220.08 |
| -91 | 2422311 | 1919-12-18 | 219.36 |
| -90 | 2422527 | 1920-07-21 | 218.78 |
| -89 | 2422751 | 1921-03-02 | 218.99 |
| -88 | 2422979 | 1921-10-16 | 218.71 |
| -87 | 2423184 | 1922-05-09 | 219.58 |
| -86 | 2423401 | 1922-12-12 | 219.29 |
| -85 | 2423622 | 1923-07-21 | 217.85 |
| -84 | 2423843 | 1924-02-27 | 218.71 |
| -83 | 2424069 | 1924-10-10 | 220.01 |
| -82 | 2424279 | 1925-05-08 | 219.44 |
| -81 | 2424501 | 1925-12-16 | 218.57 |
| -80 | 2424724 | 1926-07-27 | 218.28 |
| -79 | 2424941 | 1927-03-01 | 219.21 |
| -78 | 2425154 | 1927-09-30 | 220.29 |
| -77 | 2425371 | 1928-05-04 | 220.01 |
| -76 | 2425597 | 1928-12-16 | 219.36 |
| -75 | 2425820 | 1929-07-27 | 219.64 |
| -74 | 2426044 | 1930-03-08 | 219.07 |
| -73 | 2426261 | 1930-10-11 | 218.22 |
| -72 | 2426475 | 1931-05-13 | 217.36 |
| -71 | 2426695 | 1931-12-19 | 216.29 |
| -70 | 2426897 | 1932-07-08 | 216.71 |
| -69 | 2427126 | 1933-02-22 | 216.92 |
| -68 | 2427334 | 1933-09-18 | 216 |
| -67 | 2427558 | 1934-04-30 | 216.44 |
| -66 | 2427781 | 1934-12-09 | 216.71 |
| -65 | 2427992 | 1935-07-08 | 216.85 |
| -64 | 2428202 | 1936-02-03 | 217.93 |
| -63 | 2428420 | 1936-09-08 | 216.94 |
| -62 | 2428637 | 1937-04-13 | 216.72 |
| -61 | 2428859 | 1937-11-21 | 218.14 |
| -60 | 2429084 | 1938-07-04 | 218.78 |
| -59 | 2429292 | 1939-01-28 | 218.92 |
| -58 | 2429515 | 1939-09-08 | 217.5 |
| -57 | 2429733 | 1940-04-13 | 215.72 |
| -56 | 2429952 | 1940-11-18 | 215.5 |
| -55 | 2430170 | 1941-06-24 | 215.28 |
| -54 | 2430371 | 1942-01-11 | 215 |
| -53 | 2430592 | 1942-08-20 | 214.86 |
| -52 | 2430801 | 1943-03-17 | 214.15 |
| -51 | 2431020 | 1943-10-22 | 213.86 |
| -50 | 2431238 | 1944-05-27 | 214.56 |
| -49 | 2431455 | 1944-12-30 | 214.85 |
| -48 | 2431665 | 1945-07-28 | 214.64 |
| -47 | 2431870 | 1946-02-18 | 214.58 |
| -46 | 2432097 | 1946-10-03 | 214.21 |
| -45 | 2432304 | 1947-04-28 | 215.21 |
| -44 | 2432522 | 1947-12-02 | 217.79 |
| -43 | 2432740 | 1948-07-07 | 218.29 |
| -42 | 2432952 | 1949-02-04 | 217.36 |
| -41 | 2433181 | 1949-09-21 | 216.29 |
| -40 | 2433403 | 1950-05-01 | 215.56 |
| -39 | 2433620 | 1950-12-04 | 215.99 |
| -38 | 2433824 | 1951-06-26 | 216.29 |
| -37 | 2434030 | 1952-01-18 | 215.44 |
| -36 | 2434250 | 1952-08-25 | 216.29 |
| -35 | 2434466 | 1953-03-29 | 217.99 |
| -34 | 2434695 | 1953-11-13 | 218.71 |
| -33 | 2434905 | 1954-06-11 | 219.51 |
| -32 | 2435146 | 1955-02-07 | 219.58 |
| -31 | 2435350 | 1955-08-30 | 219.5 |
| -30 | 2435566 | 1956-04-02 | 219.71 |
| -29 | 2435787 | 1956-11-09 | 218.35 |
| -28 | 2436003 | 1957-06-13 | 217.43 |
| -27 | 2436231 | 1958-01-27 | 218.79 |
| -26 | 2436445 | 1958-08-29 | 219.5 |
| -25 | 2436663 | 1959-04-04 | 219.78 |
| -24 | 2436877 | 1959-11-04 | 219.14 |
| -23 | 2437102 | 1960-06-16 | 218.15 |
| -22 | 2437324 | 1961-01-24 | 218.51 |
| -21 | 2437543 | 1961-08-31 | 219.29 |
| -20 | 2437759 | 1962-04-04 | 220.14 |
| -19 | 2437971 | 1962-11-02 | 220.71 |
| -18 | 2438196 | 1963-06-15 | 220.93 |
| -17 | 2438414 | 1964-01-19 | 221.65 |
| -16 | 2438647 | 1964-09-08 | 221.93 |
| -15 | 2438869 | 1965-04-18 | 221.56 |
| -14 | 2439091 | 1965-11-26 | 221.93 |
| -13 | 2439314 | 1966-07-07 | 220.79 |
| -12 | 2439523 | 1967-02-01 | 219.29 |
| -11 | 2439746 | 1967-09-12 | 219.71 |
| -10 | 2439971 | 1968-04-24 | 218.78 |
| -9 | 2440181 | 1968-11-20 | 218.64 |
| -8 | 2440405 | 1969-07-02 | 219.5 |
| -7 | 2440631 | 1970-02-13 | 219.08 |
| -6 | 2440837 | 1970-09-07 | 219.43 |
| -5 | 2441061 | 1971-04-19 | 219.28 |
| -4 | 2441281 | 1971-11-25 | 218.21 |
| -3 | 2441503 | 1972-07-04 | 218.58 |
| -2 | 2441721 | 1973-02-07 | 219.01 |
| -1 | 2441935 | 1973-09-09 | 218.64 |
| 0 | 2442156 | 1974-04-18 | 217.85 |
| 1 | 2442372 | 1974-11-20 | 217.79 |
| 2 | 2442592 | 1975-06-28 | 218.65 |
| 3 | 2442811 | 1976-02-02 | 219.01 |
| 4 | 2443023 | 1976-09-01 | 219 |
| 5 | 2443250 | 1977-04-16 | 218.64 |
| 6 | 2443467 | 1977-11-19 | 218.43 |
| 7 | 2443690 | 1978-06-30 | 218.51 |
| 8 | 2443904 | 1979-01-30 | 217.71 |
| 9 | 2444121 | 1979-09-04 | 216.56 |
| 10 | 2444340 | 1980-04-10 | 216.42 |
| 11 | 2444553 | 1980-11-09 | 216.5 |
| 12 | 2444768 | 1981-06-12 | 216.44 |
| 13 | 2444981 | 1982-01-11 | 215.79 |
| 14 | 2445206 | 1982-08-24 | 215.57 |
| 15 | 2445419 | 1983-03-25 | 216.06 |
| 16 | 2445636 | 1983-10-28 | 216.21 |
| 17 | 2445846 | 1984-05-25 | 216.01 |
| 18 | 2446065 | 1984-12-30 | 216 |
| 19 | 2446281 | 1985-08-03 | 217.06 |
| 20 | 2446495 | 1986-03-05 | 217.42 |
| 21 | 2446716 | 1986-10-12 | 217.28 |
| 22 | 2446933 | 1987-05-17 | 217.79 |
| 23 | 2447161 | 1987-12-31 | 218.36 |
| 24 | 2447365 | 1988-07-22 | 219.07 |
| 25 | 2447588 | 1989-03-02 | 219.64 |
| 26 | 2447807 | 1989-10-07 | 218.71 |
| 27 | 2448026 | 1990-05-14 | 218.58 |
| 28 | 2448252 | 1990-12-26 | 219.79 |
| 29 | 2448472 | 1991-08-03 | 219.71 |
| 30 | 2448684 | 1992-03-02 | 219.56 |
| 31 | 2448902 | 1992-10-06 | 218.93 |
| 32 | 2449128 | 1993-05-20 | 218.15 |
| 33 | 2449343 | 1993-12-21 | 218.51 |
| 34 | 2449564 | 1994-07-30 | 219.21 |
| 35 | 2449779 | 1995-03-02 | 219.71 |
| 36 | 2449999 | 1995-10-08 | 220.29 |
| 37 | 2450216 | 1996-05-12 | 220.51 |
| 38 | 2450439 | 1996-12-21 | 219.86 |
| 39 | 2450667 | 1997-08-06 | 219.56 |
| 40 | 2450888 | 1998-03-15 | 219.64 |
| 41 | 2451106 | 1998-10-19 | 219.21 |
| 42 | 2451315 | 1999-05-16 | 218.36 |
| 43 | 2451537 | 1999-12-24 | 218.15 |
| 44 | 2451753 | 2000-07-27 | 218.71 |
| 45 | 2451971 | 2001-03-02 | 218.85 |
| 46 | 2452192 | 2001-10-09 | 218.57 |
| 47 | 2452417 | 2002-05-22 | 219.08 |
| 48 | 2452639 | 2002-12-30 | 219.07 |
| 49 | 2452846 | 2003-07-25 | 218.42 |
| 50 | 2453066 | 2004-03-01 | 217.92 |
| 51 | 2453291 | 2004-10-12 | 217.71 |
| 52 | 2453500 | 2005-05-09 | 219.22 |
| 53 | 2453721 | 2005-12-16 | 219.79 |
| 54 | 2453939 | 2006-07-22 | 218.36 |
| 55 | 2454165 | 2007-03-05 | 218.06 |
| 56 | 2454389 | 2007-10-15 | 218.21 |
| 57 | 2454600 | 2008-05-13 | 217.29 |
| 58 | 2454814 | 2008-12-13 | 216.86 |
| 59 | 2455030 | 2009-07-17 | 216.99 |
| 60 | 2455246 | 2010-02-18 | 217.06 |
| 61 | 2455456 | 2010-09-16 | 217.43 |
| 62 | 2455684 | 2011-05-02 | 217.86 |
| 63 | 2455908 | 2011-12-12 | 218.08 |
| 64 | 2456120 | 2012-07-11 | 217.86 |
| 65 | 2456338 | 2013-02-14 | 217.92 |
| 66 | 2456556 | 2013-09-20 | 217.79 |
| 67 | 2456773 | 2014-04-25 | 216.86 |
| 68 | 2456979 | 2014-11-17 | 216.79 |
| 69 | 2457212 | 2015-07-08 | 216.92 |
| 70 | 2457429 | 2016-02-10 | 217.14 |
| 71 | 2457635 | 2016-09-03 | 218.14 |
| 72 | 2457858 | 2017-04-14 | 217.79 |
| 73 | 2458073 | 2017-11-15 | 217.86 |
| 74 | 2458296 | 2018-06-26 | 219.43 |
| 75 | 2458510 | 2019-01-26 | 220.49 |
| 76 | 2458730 | 2019-09-03 | 221.5 |
| 77 | 2458961 | 2020-04-21 | 220.94 |
| 78 | 2459175 | 2020-11-21 | 220.75 |
| 79 | 2459405 | 2021-07-09 | 223.02 |
| 80 | 2459627 | 2022-02-16 | 221.66 |
| 81 | 2459835 | 2022-09-12 | 219.78 |
| 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. |