| E | O (JD) | O (dat) | Period |
| -168 | 2405472 | 1873-11-09 | 215.64 |
| -151 | 2409116 | 1883-11-01 | 215.82 |
| -141 | 2411270 | 1889-09-24 | 215.93 |
| -134 | 2412790 | 1893-11-22 | 216 |
| -133 | 2413020 | 1894-07-10 | 216.14 |
| -131 | 2413450 | 1895-09-13 | 216.2 |
| -129 | 2413890 | 1896-11-26 | 217.27 |
| -128 | 2414105 | 1897-06-29 | 217.72 |
| -124 | 2414967 | 1899-11-08 | 217.62 |
| -123 | 2415195 | 1900-06-24 | 217.4 |
| -121 | 2415622 | 1901-08-25 | 217.8 |
| -120 | 2415850 | 1902-04-10 | 217.66 |
| -119 | 2416058 | 1902-11-04 | 217.79 |
| -118 | 2416280 | 1903-06-14 | 217.71 |
| -116 | 2416715 | 1904-08-22 | 217.62 |
| -114 | 2417160 | 1905-11-10 | 217.42 |
| -113 | 2417365 | 1906-06-03 | 217.29 |
| -111 | 2417803 | 1907-08-15 | 217.28 |
| -109 | 2418234 | 1908-10-19 | 217.13 |
| -108 | 2418460 | 1909-06-02 | 216.67 |
| -106 | 2418882 | 1910-07-29 | 216.51 |
| -104 | 2419325 | 1911-10-15 | 216.85 |
| -103 | 2419537 | 1912-05-14 | 216.58 |
| -101 | 2419975 | 1913-07-26 | 216.28 |
| -99 | 2420395 | 1914-09-19 | 216.07 |
| -97 | 2420836 | 1915-12-04 | 216 |
| -96 | 2421059 | 1916-07-14 | 215.6 |
| -94 | 2421483 | 1917-09-11 | 215.54 |
| -89 | 2422560 | 1920-08-23 | 215.54 |
| -88 | 2422778 | 1921-03-29 | 215.63 |
| -87 | 2422989 | 1921-10-26 | 215.18 |
| -86 | 2423200 | 1922-05-25 | 214.85 |
| -85 | 2423419 | 1922-12-30 | 215.03 |
| -84 | 2423643 | 1923-08-11 | 215.01 |
| -83 | 2423854 | 1924-03-09 | 215.29 |
| -82 | 2424064 | 1924-10-05 | 215.04 |
| -81 | 2424274 | 1925-05-03 | 215.02 |
| -80 | 2424495 | 1925-12-10 | 214.63 |
| -79 | 2424713 | 1926-07-16 | 214.79 |
| -78 | 2424932 | 1927-02-20 | 215.56 |
| -77 | 2425133 | 1927-09-09 | 215.6 |
| -76 | 2425356 | 1928-04-19 | 215.73 |
| -75 | 2425568 | 1928-11-17 | 215.38 |
| -74 | 2425791 | 1929-06-28 | 215.55 |
| -73 | 2426010 | 1930-02-02 | 215.81 |
| -72 | 2426214 | 1930-08-25 | 215.86 |
| -71 | 2426436 | 1931-04-04 | 215.57 |
| -70 | 2426648 | 1931-11-02 | 215.85 |
| -69 | 2426869 | 1932-06-10 | 215.37 |
| -68 | 2427084 | 1933-01-11 | 215.41 |
| -67 | 2427291 | 1933-08-06 | 215.69 |
| -66 | 2427514 | 1934-03-17 | 215.06 |
| -65 | 2427735 | 1934-10-24 | 214.79 |
| -64 | 2427940 | 1935-05-17 | 214.12 |
| -63 | 2428158 | 1935-12-21 | 214.25 |
| -62 | 2428374 | 1936-07-24 | 214.77 |
| -61 | 2428582 | 1937-02-17 | 214.46 |
| -60 | 2428797 | 1937-09-20 | 214.78 |
| -59 | 2429006 | 1938-04-17 | 215.24 |
| -58 | 2429230 | 1938-11-27 | 215.55 |
| -57 | 2429453 | 1939-07-08 | 215.99 |
| -56 | 2429660 | 1940-01-31 | 216.61 |
| -55 | 2429880 | 1940-09-07 | 217.09 |
| -54 | 2430091 | 1941-04-06 | 216.83 |
| -53 | 2430313 | 1941-11-14 | 216 |
| -52 | 2430529 | 1942-06-18 | 216.03 |
| -50 | 2430964 | 1943-08-27 | 216.48 |
| -49 | 2431187 | 1944-04-06 | 216.52 |
| -48 | 2431390 | 1944-10-26 | 216.39 |
| -47 | 2431599 | 1945-05-23 | 216.07 |
| -46 | 2431827 | 1946-01-06 | 215.95 |
| -45 | 2432047 | 1946-08-14 | 215.67 |
| -44 | 2432263 | 1947-03-18 | 215.92 |
| -43 | 2432472 | 1947-10-13 | 216.58 |
| -42 | 2432690 | 1948-05-18 | 216.35 |
| -41 | 2432905 | 1948-12-19 | 216.08 |
| -40 | 2433118 | 1949-07-20 | 216.07 |
| -39 | 2433341 | 1950-02-28 | 216.32 |
| -38 | 2433558 | 1950-10-03 | 216.4 |
| -37 | 2433769 | 1951-05-02 | 216.02 |
| -36 | 2433993 | 1951-12-12 | 216.04 |
| -35 | 2434204 | 1952-07-10 | 215.71 |
| -34 | 2434421 | 1953-02-12 | 215.7 |
| -33 | 2434633 | 1953-09-12 | 216.16 |
| -32 | 2434846 | 1954-04-13 | 216.75 |
| -31 | 2435068 | 1954-11-21 | 216.49 |
| -30 | 2435278 | 1955-06-19 | 216.68 |
| -29 | 2435504 | 1956-01-31 | 216.86 |
| -28 | 2435724 | 1956-09-07 | 217.14 |
| -27 | 2435943 | 1957-04-14 | 217.31 |
| -26 | 2436148 | 1957-11-05 | 217 |
| -25 | 2436365 | 1958-06-10 | 216.66 |
| -24 | 2436586 | 1959-01-17 | 216.79 |
| -23 | 2436804 | 1959-08-23 | 216.81 |
| -22 | 2437024 | 1960-03-30 | 217.02 |
| -21 | 2437236 | 1960-10-28 | 217.44 |
| -20 | 2437447 | 1961-05-27 | 217.26 |
| -19 | 2437681 | 1962-01-16 | 217.18 |
| -18 | 2437888 | 1962-08-11 | 217.43 |
| -17 | 2438105 | 1963-03-16 | 217.43 |
| -16 | 2438323 | 1963-10-20 | 217.8 |
| -15 | 2438540 | 1964-05-24 | 217.68 |
| -14 | 2438760 | 1964-12-30 | 217.46 |
| -13 | 2438981 | 1965-08-08 | 218.25 |
| -12 | 2439193 | 1966-03-08 | 218.35 |
| -11 | 2439415 | 1966-10-16 | 218.33 |
| -10 | 2439628 | 1967-05-17 | 218.06 |
| -9 | 2439851 | 1967-12-26 | 218.09 |
| -8 | 2440073 | 1968-08-04 | 217.59 |
| -7 | 2440288 | 1969-03-07 | 217.21 |
| -6 | 2440505 | 1969-10-10 | 216.55 |
| -5 | 2440718 | 1970-05-11 | 215.91 |
| -4 | 2440943 | 1970-12-22 | 215.56 |
| -3 | 2441148 | 1971-07-15 | 215.72 |
| -2 | 2441363 | 1972-02-15 | 215.93 |
| -1 | 2441579 | 1972-09-18 | 216.08 |
| 0 | 2441790 | 1973-04-17 | 216.33 |
| 1 | 2442016 | 1973-11-29 | 216.45 |
| 2 | 2442237 | 1974-07-08 | 217.05 |
| 3 | 2442449 | 1975-02-05 | 217.32 |
| 4 | 2442665 | 1975-09-09 | 217.5 |
| 5 | 2442882 | 1976-04-13 | 217.13 |
| 6 | 2443099 | 1976-11-16 | 216.55 |
| 7 | 2443316 | 1977-06-21 | 216.71 |
| 8 | 2443537 | 1978-01-28 | 217.62 |
| 9 | 2443755 | 1978-09-03 | 218.04 |
| 10 | 2443962 | 1979-03-29 | 218.25 |
| 11 | 2444181 | 1979-11-03 | 217.74 |
| 12 | 2444404 | 1980-06-13 | 217.34 |
| 13 | 2444633 | 1981-01-28 | 216.99 |
| 14 | 2444847 | 1981-08-30 | 217 |
| 15 | 2445063 | 1982-04-03 | 217.03 |
| 16 | 2445266 | 1982-10-23 | 216.04 |
| 17 | 2445485 | 1983-05-30 | 214.83 |
| 18 | 2445703 | 1984-01-03 | 214.85 |
| 19 | 2445923 | 1984-08-10 | 215.14 |
| 20 | 2446139 | 1985-03-14 | 215.57 |
| 21 | 2446345 | 1985-10-06 | 215.99 |
| 22 | 2446554 | 1986-05-03 | 215.79 |
| 23 | 2446788 | 1986-12-23 | 215.64 |
| 24 | 2446996 | 1987-07-19 | 215.7 |
| 25 | 2447215 | 1988-02-23 | 216.23 |
| 26 | 2447429 | 1988-09-24 | 216.4 |
| 27 | 2447645 | 1989-04-28 | 216.38 |
| 28 | 2447859 | 1989-11-28 | 216.05 |
| 29 | 2448077 | 1990-07-04 | 217.1 |
| 30 | 2448298 | 1991-02-10 | 217.52 |
| 31 | 2448506 | 1991-09-06 | 218.08 |
| 32 | 2448728 | 1992-04-15 | 218.47 |
| 33 | 2448947 | 1992-11-20 | 218.35 |
| 34 | 2449175 | 1993-07-06 | 218.36 |
| 35 | 2449389 | 1994-02-05 | 218.26 |
| 36 | 2449608 | 1994-09-12 | 217.92 |
| 37 | 2449826 | 1995-04-18 | 217.5 |
| 38 | 2450035 | 1995-11-13 | 216.84 |
| 39 | 2450259 | 1996-06-24 | 215.88 |
| 40 | 2450475 | 1997-01-26 | 215.85 |
| 41 | 2450684 | 1997-08-23 | 215.26 |
| 42 | 2450910 | 1998-04-06 | 215.68 |
| 43 | 2451119 | 1998-11-01 | 215.7 |
| 44 | 2451328 | 1999-05-29 | 215.21 |
| 45 | 2451551 | 2000-01-07 | 215.14 |
| 46 | 2451757 | 2000-07-31 | 215.13 |
| 47 | 2451990 | 2001-03-21 | 214.58 |
| 48 | 2452196 | 2001-10-13 | 214.92 |
| 49 | 2452408 | 2002-05-13 | 215.03 |
| 50 | 2452623 | 2002-12-14 | 214.85 |
| 51 | 2452838 | 2003-07-17 | 215.48 |
| 52 | 2453048 | 2004-02-12 | 215.58 |
| 53 | 2453269 | 2004-09-20 | 216.57 |
| 54 | 2453485 | 2005-04-24 | 216.85 |
| 55 | 2453701 | 2005-11-26 | 217.12 |
| 56 | 2453926 | 2006-07-09 | 217.59 |
| 57 | 2454142 | 2007-02-10 | 218.02 |
| 58 | 2454359 | 2007-09-15 | 217.82 |
| 59 | 2454570 | 2008-04-13 | 217.7 |
| 60 | 2454790 | 2008-11-19 | 217.39 |
| 61 | 2455013 | 2009-06-30 | 217.49 |
| 62 | 2455232 | 2010-02-04 | 217.84 |
| 63 | 2455445 | 2010-09-05 | 218.11 |
| 64 | 2455661 | 2011-04-09 | 218.44 |
| 65 | 2455876 | 2011-11-10 | 218.37 |
| 66 | 2456104 | 2012-06-25 | 218.25 |
| 67 | 2456320 | 2013-01-27 | 217.78 |
| 68 | 2456538 | 2013-09-02 | 218.13 |
| 69 | 2456758 | 2014-04-10 | 218.21 |
| 70 | 2456976 | 2014-11-14 | 217.78 |
| 71 | 2457192 | 2015-06-18 | 217.35 |
| 72 | 2457397 | 2016-01-09 | 217.6 |
| 73 | 2457629 | 2016-08-28 | 217.13 |
| 74 | 2457847 | 2017-04-03 | 217.15 |
| 75 | 2458057 | 2017-10-30 | 216.78 |
| 76 | 2458278 | 2018-06-08 | 216.74 |
| 77 | 2458500 | 2019-01-16 | 216.96 |
| 78 | 2458704 | 2019-08-08 | 216.35 |
| 79 | 2458930 | 2020-03-21 | 216.46 |
| 80 | 2459136 | 2020-10-13 | 216.69 |
| 81 | 2459357 | 2021-05-22 | 216.46 |
| 82 | 2459580 | 2021-12-31 | 216.51 |
| 83 | 2459793 | 2022-08-01 | 217.05 |
| 84 | 2460010 | 2023-03-06 | 216.71 |
| 85 | 2460227 | 2023-10-09 | 217.32 |
| 86 | 2460441 | 2024-05-10 | 216.51 |
| 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. |