| WDS: | SLR20 | WDS ID/Discoverer |
| P: | 429.600 | Orbital period (years) |
| a: | 1.899 | Semi-major axis (arcseconds) |
| i: | 109.7 | Inclination (degrees) |
| Ω: | 56.0 | Longitude of ascending node (degrees) |
| T: | 1972.880 | Epoch of periastron passage (year) |
| e: | 0.469 | Eccentricity |
| ω: | 344.6 | Longitude of periastron (degrees) |
| Start-Year: | 1810.2 | Year |
| End-Year: | 2239.8 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for SLR20 |
||
| Position: | 152236.49-475515.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15226-4755 | WDS designation |
| Discoverer Code: | SLR20 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 136466 | HD catalog number |
| Hipparcos number: | 75255 | Hipparcos catalog number |
| V1: | 8.33 | Magnitude of the primary |
| V2: | 8.67 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Tok2015c | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.565 344.60 -------------------------- 1810.20 2.666 234.98 1811.20 2.660 234.86 1812.20 2.654 234.73 1813.20 2.648 234.60 1814.20 2.642 234.47 1815.20 2.636 234.34 1816.20 2.629 234.21 1817.20 2.623 234.08 1818.20 2.616 233.95 1819.20 2.609 233.82 1820.20 2.601 233.69 1821.20 2.594 233.56 1822.20 2.586 233.42 1823.20 2.578 233.29 1824.20 2.570 233.15 1825.20 2.562 233.01 1826.20 2.553 232.88 1827.20 2.545 232.74 1828.20 2.536 232.60 1829.20 2.526 232.46 1830.20 2.517 232.32 1831.20 2.508 232.17 1832.20 2.498 232.03 1833.20 2.488 231.89 1834.20 2.478 231.74 1835.20 2.467 231.59 1836.20 2.457 231.44 1837.20 2.446 231.29 1838.20 2.435 231.14 1839.20 2.424 230.99 1840.20 2.412 230.84 1841.20 2.401 230.68 1842.20 2.389 230.52 1843.20 2.377 230.37 1844.20 2.365 230.21 1845.20 2.352 230.04 1846.20 2.339 229.88 1847.20 2.327 229.72 1848.20 2.313 229.55 1849.20 2.300 229.38 1850.20 2.287 229.21 1851.20 2.273 229.04 1852.20 2.259 228.86 1853.20 2.244 228.68 1854.20 2.230 228.50 1855.20 2.215 228.32 1856.20 2.200 228.14 1857.20 2.185 227.95 1858.20 2.170 227.76 1859.20 2.154 227.57 1860.20 2.139 227.37 1861.20 2.123 227.17 1862.20 2.106 226.97 1863.20 2.090 226.77 1864.20 2.073 226.56 1865.20 2.056 226.35 1866.20 2.039 226.13 1867.20 2.022 225.92 1868.20 2.004 225.69 1869.20 1.986 225.47 1870.20 1.968 225.24 1871.20 1.950 225.00 1872.20 1.931 224.76 1873.20 1.913 224.52 1874.20 1.894 224.27 1875.20 1.874 224.02 1876.20 1.855 223.76 1877.20 1.835 223.50 1878.20 1.815 223.23 1879.20 1.795 222.95 1880.20 1.775 222.67 1881.20 1.754 222.38 1882.20 1.733 222.08 1883.20 1.712 221.78 1884.20 1.691 221.47 1885.20 1.669 221.15 1886.20 1.647 220.82 1887.20 1.625 220.49 1888.20 1.603 220.14 1889.20 1.581 219.79 1890.20 1.558 219.42 1891.20 1.535 219.05 1892.20 1.512 218.66 1893.20 1.489 218.26 1894.20 1.465 217.85 1895.20 1.441 217.42 1896.20 1.417 216.98 1897.20 1.393 216.52 1898.20 1.369 216.05 1899.20 1.344 215.56 1900.20 1.319 215.05 1901.20 1.294 214.53 1902.20 1.269 213.98 1903.20 1.244 213.41 1904.20 1.218 212.82 1905.20 1.192 212.20 1906.20 1.167 211.55 1907.20 1.141 210.87 1908.20 1.114 210.17 1909.20 1.088 209.42 1910.20 1.062 208.64 1911.20 1.035 207.83 1912.20 1.009 206.96 1913.20 0.982 206.06 1914.20 0.955 205.10 1915.20 0.929 204.08 1916.20 0.902 203.01 1917.20 0.876 201.87 1918.20 0.849 200.66 1919.20 0.823 199.37 1920.20 0.796 198.00 1921.20 0.770 196.53 1922.20 0.744 194.96 1923.20 0.719 193.28 1924.20 0.694 191.48 1925.20 0.669 189.54 1926.20 0.645 187.45 1927.20 0.621 185.20 1928.20 0.598 182.78 1929.20 0.576 180.17 1930.20 0.556 177.36 1931.20 0.536 174.34 1932.20 0.517 171.09 1933.20 0.501 167.62 1934.20 0.485 163.91 1935.20 0.472 159.98 1936.20 0.461 155.84 1937.20 0.452 151.52 1938.20 0.445 147.04 1939.20 0.441 142.46 1940.20 0.440 137.81 1941.20 0.441 133.16 1942.20 0.444 128.56 1943.20 0.450 124.06 1944.20 0.459 119.71 1945.20 0.470 115.53 1946.20 0.482 111.55 1947.20 0.497 107.80 1948.20 0.513 104.26 1949.20 0.530 100.95 1950.20 0.549 97.86 1951.20 0.569 94.98 1952.20 0.589 92.29 1953.20 0.610 89.79 1954.20 0.631 87.45 1955.20 0.653 85.27 1956.20 0.675 83.23 1957.20 0.697 81.32 1958.20 0.719 79.52 1959.20 0.741 77.84 1960.20 0.762 76.24 1961.20 0.784 74.74 1962.20 0.804 73.31 1963.20 0.824 71.95 1964.20 0.844 70.66 1965.20 0.863 69.42 1966.20 0.880 68.24 1967.20 0.898 67.10 1968.20 0.914 66.00 1969.20 0.929 64.95 1970.20 0.943 63.92 1971.20 0.957 62.92 1972.20 0.969 61.95 1973.20 0.980 61.00 1974.20 0.990 60.08 1975.20 0.998 59.17 1976.20 1.006 58.27 1977.20 1.012 57.39 1978.20 1.018 56.51 1979.20 1.022 55.65 1980.20 1.024 54.79 1981.20 1.026 53.93 1982.20 1.027 53.08 1983.20 1.026 52.22 1984.20 1.024 51.37 1985.20 1.022 50.51 1986.20 1.018 49.64 1987.20 1.013 48.77 1988.20 1.007 47.89 1989.20 1.001 47.00 1990.20 0.993 46.09 1991.20 0.985 45.17 1992.20 0.976 44.24 1993.20 0.966 43.28 1994.20 0.955 42.31 1995.20 0.944 41.31 1996.20 0.932 40.29 1997.20 0.920 39.24 1998.20 0.907 38.16 1999.20 0.894 37.05 2000.20 0.880 35.91 2001.20 0.866 34.73 2002.20 0.851 33.51 2003.20 0.837 32.24 2004.20 0.822 30.94 2005.20 0.807 29.58 2006.20 0.792 28.17 2007.20 0.777 26.71 2008.20 0.762 25.19 2009.20 0.747 23.61 2010.20 0.732 21.96 2011.20 0.717 20.25 2012.20 0.703 18.46 2013.20 0.689 16.61 2014.20 0.675 14.67 2015.20 0.662 12.66 2016.20 0.649 10.57 2017.20 0.637 8.39 2018.20 0.626 6.14 2019.20 0.615 3.80 2020.20 0.605 1.38 2021.20 0.596 358.89 2022.20 0.588 356.32 2023.20 0.581 353.68 2024.20 0.575 350.99 2025.20 0.570 348.24 2026.20 0.566 345.44 2027.20 0.563 342.61 2028.20 0.561 339.76 2029.20 0.561 336.90 2030.20 0.561 334.04 2031.20 0.564 331.20 2032.20 0.567 328.38 2033.20 0.571 325.60 2034.20 0.577 322.87 2035.20 0.583 320.19 2036.20 0.591 317.58 2037.20 0.600 315.04 2038.20 0.609 312.58 2039.20 0.620 310.20 2040.20 0.632 307.90 2041.20 0.644 305.69 2042.20 0.657 303.56 2043.20 0.671 301.52 2044.20 0.685 299.56 2045.20 0.700 297.69 2046.20 0.716 295.90 2047.20 0.732 294.18 2048.20 0.749 292.54 2049.20 0.766 290.97 2050.20 0.783 289.47 2051.20 0.801 288.04 2052.20 0.819 286.67 2053.20 0.838 285.36 2054.20 0.856 284.10 2055.20 0.875 282.90 2056.20 0.894 281.75 2057.20 0.914 280.65 2058.20 0.933 279.59 2059.20 0.953 278.58 2060.20 0.972 277.61 2061.20 0.992 276.68 2062.20 1.012 275.78 2063.20 1.032 274.92 2064.20 1.052 274.09 2065.20 1.072 273.29 2066.20 1.092 272.52 2067.20 1.112 271.78 2068.20 1.132 271.07 2069.20 1.152 270.38 2070.20 1.172 269.71 2071.20 1.192 269.07 2072.20 1.213 268.45 2073.20 1.233 267.84 2074.20 1.253 267.26 2075.20 1.273 266.70 2076.20 1.292 266.15 2077.20 1.312 265.62 2078.20 1.332 265.10 2079.20 1.352 264.60 2080.20 1.371 264.12 2081.20 1.391 263.65 2082.20 1.410 263.19 2083.20 1.430 262.74 2084.20 1.449 262.31 2085.20 1.468 261.89 2086.20 1.487 261.47 2087.20 1.506 261.07 2088.20 1.525 260.68 2089.20 1.544 260.30 2090.20 1.563 259.93 2091.20 1.581 259.56 2092.20 1.600 259.21 2093.20 1.618 258.86 2094.20 1.637 258.52 2095.20 1.655 258.19 2096.20 1.673 257.86 2097.20 1.691 257.54 2098.20 1.708 257.23 2099.20 1.726 256.93 2100.20 1.744 256.63 2101.20 1.761 256.34 2102.20 1.778 256.05 2103.20 1.795 255.77 2104.20 1.812 255.49 2105.20 1.829 255.22 2106.20 1.846 254.95 2107.20 1.863 254.69 2108.20 1.879 254.43 2109.20 1.895 254.18 2110.20 1.912 253.93 2111.20 1.928 253.69 2112.20 1.943 253.45 2113.20 1.959 253.21 2114.20 1.975 252.98 2115.20 1.990 252.75 2116.20 2.006 252.52 2117.20 2.021 252.30 2118.20 2.036 252.08 2119.20 2.051 251.87 2120.20 2.066 251.66 2121.20 2.080 251.45 2122.20 2.095 251.24 2123.20 2.109 251.04 2124.20 2.123 250.84 2125.20 2.137 250.64 2126.20 2.151 250.44 2127.20 2.165 250.25 2128.20 2.178 250.06 2129.20 2.192 249.87 2130.20 2.205 249.68 2131.20 2.218 249.50 2132.20 2.231 249.32 2133.20 2.244 249.14 2134.20 2.256 248.96 2135.20 2.269 248.78 2136.20 2.281 248.61 2137.20 2.293 248.44 2138.20 2.306 248.27 2139.20 2.317 248.10 2140.20 2.329 247.93 2141.20 2.341 247.77 2142.20 2.352 247.60 2143.20 2.363 247.44 2144.20 2.374 247.28 2145.20 2.385 247.12 2146.20 2.396 246.97 2147.20 2.407 246.81 2148.20 2.417 246.66 2149.20 2.428 246.50 2150.20 2.438 246.35 2151.20 2.448 246.20 2152.20 2.458 246.05 2153.20 2.467 245.90 2154.20 2.477 245.75 2155.20 2.486 245.61 2156.20 2.495 245.46 2157.20 2.504 245.32 2158.20 2.513 245.18 2159.20 2.522 245.03 2160.20 2.530 244.89 2161.20 2.539 244.75 2162.20 2.547 244.61 2163.20 2.555 244.48 2164.20 2.563 244.34 2165.20 2.571 244.20 2166.20 2.578 244.07 2167.20 2.586 243.93 2168.20 2.593 243.80 2169.20 2.600 243.66 2170.20 2.607 243.53 2171.20 2.614 243.40 2172.20 2.620 243.27 2173.20 2.627 243.14 2174.20 2.633 243.01 2175.20 2.639 242.88 2176.20 2.645 242.75 2177.20 2.651 242.62 2178.20 2.656 242.49 2179.20 2.662 242.37 2180.20 2.667 242.24 2181.20 2.672 242.11 2182.20 2.677 241.99 2183.20 2.682 241.86 2184.20 2.686 241.74 2185.20 2.691 241.61 2186.20 2.695 241.49 2187.20 2.699 241.36 2188.20 2.703 241.24 2189.20 2.707 241.12 2190.20 2.710 241.00 2191.20 2.714 240.87 2192.20 2.717 240.75 2193.20 2.720 240.63 2194.20 2.723 240.51 2195.20 2.726 240.39 2196.20 2.728 240.27 2197.20 2.731 240.14 2198.20 2.733 240.02 2199.20 2.735 239.90 2200.20 2.737 239.78 2201.20 2.738 239.66 2202.20 2.740 239.54 2203.20 2.741 239.42 2204.20 2.742 239.30 2205.20 2.743 239.18 2206.20 2.744 239.06 2207.20 2.745 238.95 2208.20 2.745 238.83 2209.20 2.745 238.71 2210.20 2.745 238.59 2211.20 2.745 238.47 2212.20 2.745 238.35 2213.20 2.745 238.23 2214.20 2.744 238.11 2215.20 2.743 237.99 2216.20 2.742 237.87 2217.20 2.741 237.75 2218.20 2.740 237.63 2219.20 2.738 237.51 2220.20 2.737 237.39 2221.20 2.735 237.27 2222.20 2.733 237.15 2223.20 2.730 237.03 2224.20 2.728 236.91 2225.20 2.725 236.79 2226.20 2.722 236.67 2227.20 2.719 236.55 2228.20 2.716 236.42 2229.20 2.713 236.30 2230.20 2.709 236.18 2231.20 2.706 236.06 2232.20 2.702 235.93 2233.20 2.698 235.81 2234.20 2.693 235.69 2235.20 2.689 235.56 2236.20 2.684 235.44 2237.20 2.679 235.31 2238.20 2.674 235.19 2239.20 2.669 235.06
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:14:18 |