| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:30:06 |
| 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: | 1811.0 | Year |
| End-Year: | 2239.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.570 348.8 ------------------------- 1811.0 2.661 234.9 1812.0 2.656 234.8 1813.0 2.650 234.6 1814.0 2.644 234.5 1815.0 2.637 234.4 1816.0 2.631 234.2 1817.0 2.624 234.1 1818.0 2.617 234.0 1819.0 2.610 233.8 1820.0 2.603 233.7 1821.0 2.595 233.6 1822.0 2.588 233.4 1823.0 2.580 233.3 1824.0 2.572 233.2 1825.0 2.563 233.0 1826.0 2.555 232.9 1827.0 2.546 232.8 1828.0 2.537 232.6 1829.0 2.528 232.5 1830.0 2.519 232.3 1831.0 2.510 232.2 1832.0 2.500 232.1 1833.0 2.490 231.9 1834.0 2.480 231.8 1835.0 2.469 231.6 1836.0 2.459 231.5 1837.0 2.448 231.3 1838.0 2.437 231.2 1839.0 2.426 231.0 1840.0 2.415 230.9 1841.0 2.403 230.7 1842.0 2.391 230.6 1843.0 2.379 230.4 1844.0 2.367 230.2 1845.0 2.355 230.1 1846.0 2.342 229.9 1847.0 2.329 229.7 1848.0 2.316 229.6 1849.0 2.303 229.4 1850.0 2.289 229.2 1851.0 2.275 229.1 1852.0 2.262 228.9 1853.0 2.247 228.7 1854.0 2.233 228.5 1855.0 2.218 228.4 1856.0 2.203 228.2 1857.0 2.188 228.0 1858.0 2.173 227.8 1859.0 2.158 227.6 1860.0 2.142 227.4 1861.0 2.126 227.2 1862.0 2.110 227.0 1863.0 2.093 226.8 1864.0 2.077 226.6 1865.0 2.060 226.4 1866.0 2.043 226.2 1867.0 2.025 226.0 1868.0 2.008 225.7 1869.0 1.990 225.5 1870.0 1.972 225.3 1871.0 1.954 225.1 1872.0 1.935 224.8 1873.0 1.916 224.6 1874.0 1.897 224.3 1875.0 1.878 224.1 1876.0 1.859 223.8 1877.0 1.839 223.5 1878.0 1.819 223.3 1879.0 1.799 223.0 1880.0 1.779 222.7 1881.0 1.758 222.4 1882.0 1.737 222.1 1883.0 1.716 221.8 1884.0 1.695 221.5 1885.0 1.674 221.2 1886.0 1.652 220.9 1887.0 1.630 220.6 1888.0 1.608 220.2 1889.0 1.585 219.9 1890.0 1.563 219.5 1891.0 1.540 219.1 1892.0 1.517 218.7 1893.0 1.493 218.3 1894.0 1.470 217.9 1895.0 1.446 217.5 1896.0 1.422 217.1 1897.0 1.398 216.6 1898.0 1.374 216.1 1899.0 1.349 215.7 1900.0 1.324 215.2 1901.0 1.299 214.6 1902.0 1.274 214.1 1903.0 1.249 213.5 1904.0 1.223 212.9 1905.0 1.198 212.3 1906.0 1.172 211.7 1907.0 1.146 211.0 1908.0 1.120 210.3 1909.0 1.093 209.6 1910.0 1.067 208.8 1911.0 1.041 208.0 1912.0 1.014 207.1 1913.0 0.987 206.2 1914.0 0.961 205.3 1915.0 0.934 204.3 1916.0 0.907 203.2 1917.0 0.881 202.1 1918.0 0.854 200.9 1919.0 0.828 199.6 1920.0 0.801 198.3 1921.0 0.775 196.8 1922.0 0.749 195.3 1923.0 0.724 193.6 1924.0 0.699 191.8 1925.0 0.674 189.9 1926.0 0.649 187.9 1927.0 0.626 185.7 1928.0 0.603 183.3 1929.0 0.581 180.7 1930.0 0.560 177.9 1931.0 0.540 175.0 1932.0 0.521 171.8 1933.0 0.504 168.3 1934.0 0.488 164.7 1935.0 0.475 160.8 1936.0 0.463 156.7 1937.0 0.453 152.4 1938.0 0.446 147.9 1939.0 0.442 143.4 1940.0 0.440 138.7 1941.0 0.440 134.1 1942.0 0.443 129.5 1943.0 0.449 125.0 1944.0 0.457 120.6 1945.0 0.467 116.3 1946.0 0.480 112.3 1947.0 0.494 108.5 1948.0 0.510 105.0 1949.0 0.527 101.6 1950.0 0.545 98.5 1951.0 0.565 95.5 1952.0 0.585 92.8 1953.0 0.606 90.3 1954.0 0.627 87.9 1955.0 0.649 85.7 1956.0 0.671 83.6 1957.0 0.693 81.7 1958.0 0.715 79.9 1959.0 0.737 78.2 1960.0 0.758 76.6 1961.0 0.779 75.0 1962.0 0.800 73.6 1963.0 0.820 72.2 1964.0 0.840 70.9 1965.0 0.859 69.7 1966.0 0.877 68.5 1967.0 0.894 67.3 1968.0 0.911 66.2 1969.0 0.926 65.2 1970.0 0.941 64.1 1971.0 0.954 63.1 1972.0 0.966 62.1 1973.0 0.978 61.2 1974.0 0.988 60.3 1975.0 0.997 59.3 1976.0 1.005 58.4 1977.0 1.011 57.6 1978.0 1.017 56.7 1979.0 1.021 55.8 1980.0 1.024 55.0 1981.0 1.026 54.1 1982.0 1.027 53.2 1983.0 1.026 52.4 1984.0 1.025 51.5 1985.0 1.022 50.7 1986.0 1.019 49.8 1987.0 1.014 48.9 1988.0 1.009 48.1 1989.0 1.002 47.2 1990.0 0.995 46.3 1991.0 0.987 45.4 1992.0 0.978 44.4 1993.0 0.968 43.5 1994.0 0.957 42.5 1995.0 0.946 41.5 1996.0 0.935 40.5 1997.0 0.922 39.5 1998.0 0.910 38.4 1999.0 0.896 37.3 2000.0 0.883 36.1 2001.0 0.869 35.0 2002.0 0.854 33.8 2003.0 0.840 32.5 2004.0 0.825 31.2 2005.0 0.810 29.9 2006.0 0.795 28.5 2007.0 0.780 27.0 2008.0 0.765 25.5 2009.0 0.750 23.9 2010.0 0.735 22.3 2011.0 0.720 20.6 2012.0 0.706 18.8 2013.0 0.692 17.0 2014.0 0.678 15.1 2015.0 0.665 13.1 2016.0 0.652 11.0 2017.0 0.640 8.8 2018.0 0.628 6.6 2019.0 0.617 4.3 2020.0 0.607 1.9 2021.0 0.598 359.4 2022.0 0.590 356.8 2023.0 0.582 354.2 2024.0 0.576 351.5 2025.0 0.570 348.8 2026.0 0.566 346.0 2027.0 0.563 343.2 2028.0 0.561 340.3 2029.0 0.561 337.5 2030.0 0.561 334.6 2031.0 0.563 331.8 2032.0 0.566 328.9 2033.0 0.570 326.2 2034.0 0.575 323.4 2035.0 0.582 320.7 2036.0 0.589 318.1 2037.0 0.598 315.5 2038.0 0.607 313.1 2039.0 0.618 310.7 2040.0 0.629 308.4 2041.0 0.641 306.1 2042.0 0.654 304.0 2043.0 0.668 301.9 2044.0 0.682 299.9 2045.0 0.697 298.1 2046.0 0.713 296.2 2047.0 0.729 294.5 2048.0 0.746 292.9 2049.0 0.762 291.3 2050.0 0.780 289.8 2051.0 0.798 288.3 2052.0 0.816 286.9 2053.0 0.834 285.6 2054.0 0.853 284.3 2055.0 0.871 283.1 2056.0 0.890 282.0 2057.0 0.910 280.9 2058.0 0.929 279.8 2059.0 0.949 278.8 2060.0 0.968 277.8 2061.0 0.988 276.9 2062.0 1.008 276.0 2063.0 1.028 275.1 2064.0 1.048 274.3 2065.0 1.068 273.4 2066.0 1.088 272.7 2067.0 1.108 271.9 2068.0 1.128 271.2 2069.0 1.148 270.5 2070.0 1.168 269.8 2071.0 1.188 269.2 2072.0 1.209 268.6 2073.0 1.229 268.0 2074.0 1.249 267.4 2075.0 1.269 266.8 2076.0 1.288 266.3 2077.0 1.308 265.7 2078.0 1.328 265.2 2079.0 1.348 264.7 2080.0 1.367 264.2 2081.0 1.387 263.7 2082.0 1.407 263.3 2083.0 1.426 262.8 2084.0 1.445 262.4 2085.0 1.464 262.0 2086.0 1.484 261.6 2087.0 1.503 261.2 2088.0 1.522 260.8 2089.0 1.540 260.4 2090.0 1.559 260.0 2091.0 1.578 259.6 2092.0 1.596 259.3 2093.0 1.615 258.9 2094.0 1.633 258.6 2095.0 1.651 258.3 2096.0 1.669 257.9 2097.0 1.687 257.6 2098.0 1.705 257.3 2099.0 1.723 257.0 2100.0 1.740 256.7 2101.0 1.757 256.4 2102.0 1.775 256.1 2103.0 1.792 255.8 2104.0 1.809 255.5 2105.0 1.826 255.3 2106.0 1.843 255.0 2107.0 1.859 254.7 2108.0 1.876 254.5 2109.0 1.892 254.2 2110.0 1.908 254.0 2111.0 1.924 253.7 2112.0 1.940 253.5 2113.0 1.956 253.3 2114.0 1.972 253.0 2115.0 1.987 252.8 2116.0 2.003 252.6 2117.0 2.018 252.3 2118.0 2.033 252.1 2119.0 2.048 251.9 2120.0 2.063 251.7 2121.0 2.077 251.5 2122.0 2.092 251.3 2123.0 2.106 251.1 2124.0 2.120 250.9 2125.0 2.134 250.7 2126.0 2.148 250.5 2127.0 2.162 250.3 2128.0 2.176 250.1 2129.0 2.189 249.9 2130.0 2.202 249.7 2131.0 2.215 249.5 2132.0 2.228 249.4 2133.0 2.241 249.2 2134.0 2.254 249.0 2135.0 2.266 248.8 2136.0 2.279 248.6 2137.0 2.291 248.5 2138.0 2.303 248.3 2139.0 2.315 248.1 2140.0 2.327 248.0 2141.0 2.338 247.8 2142.0 2.350 247.6 2143.0 2.361 247.5 2144.0 2.372 247.3 2145.0 2.383 247.2 2146.0 2.394 247.0 2147.0 2.405 246.8 2148.0 2.415 246.7 2149.0 2.426 246.5 2150.0 2.436 246.4 2151.0 2.446 246.2 2152.0 2.456 246.1 2153.0 2.465 245.9 2154.0 2.475 245.8 2155.0 2.484 245.6 2156.0 2.493 245.5 2157.0 2.503 245.3 2158.0 2.511 245.2 2159.0 2.520 245.1 2160.0 2.529 244.9 2161.0 2.537 244.8 2162.0 2.545 244.6 2163.0 2.554 244.5 2164.0 2.561 244.4 2165.0 2.569 244.2 2166.0 2.577 244.1 2167.0 2.584 244.0 2168.0 2.592 243.8 2169.0 2.599 243.7 2170.0 2.606 243.6 2171.0 2.612 243.4 2172.0 2.619 243.3 2173.0 2.625 243.2 2174.0 2.632 243.0 2175.0 2.638 242.9 2176.0 2.644 242.8 2177.0 2.650 242.6 2178.0 2.655 242.5 2179.0 2.661 242.4 2180.0 2.666 242.3 2181.0 2.671 242.1 2182.0 2.676 242.0 2183.0 2.681 241.9 2184.0 2.685 241.8 2185.0 2.690 241.6 2186.0 2.694 241.5 2187.0 2.698 241.4 2188.0 2.702 241.3 2189.0 2.706 241.1 2190.0 2.710 241.0 2191.0 2.713 240.9 2192.0 2.716 240.8 2193.0 2.719 240.7 2194.0 2.722 240.5 2195.0 2.725 240.4 2196.0 2.728 240.3 2197.0 2.730 240.2 2198.0 2.732 240.0 2199.0 2.734 239.9 2200.0 2.736 239.8 2201.0 2.738 239.7 2202.0 2.740 239.6 2203.0 2.741 239.4 2204.0 2.742 239.3 2205.0 2.743 239.2 2206.0 2.744 239.1 2207.0 2.745 239.0 2208.0 2.745 238.8 2209.0 2.745 238.7 2210.0 2.745 238.6 2211.0 2.745 238.5 2212.0 2.745 238.4 2213.0 2.745 238.3 2214.0 2.744 238.1 2215.0 2.743 238.0 2216.0 2.742 237.9 2217.0 2.741 237.8 2218.0 2.740 237.7 2219.0 2.739 237.5 2220.0 2.737 237.4 2221.0 2.735 237.3 2222.0 2.733 237.2 2223.0 2.731 237.1 2224.0 2.728 236.9 2225.0 2.726 236.8 2226.0 2.723 236.7 2227.0 2.720 236.6 2228.0 2.717 236.4 2229.0 2.714 236.3 2230.0 2.710 236.2 2231.0 2.706 236.1 2232.0 2.703 236.0 2233.0 2.698 235.8 2234.0 2.694 235.7 2235.0 2.690 235.6 2236.0 2.685 235.5 2237.0 2.680 235.3 2238.0 2.675 235.2