| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:53:59 |
| WDS: | COU80 | WDS ID/Discoverer |
| P: | 587.500 | Orbital period (years) |
| a: | 0.984 | Semi-major axis (arcseconds) |
| i: | 107.8 | Inclination (degrees) |
| Ω: | 87.7 | Longitude of ascending node (degrees) |
| T: | 2029.300 | Epoch of periastron passage (year) |
| e: | 0.477 | Eccentricity |
| ω: | 36.9 | Longitude of periastron (degrees) |
| Start-Year: | 1732.0 | Year |
| End-Year: | 2318.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 034807.11+240831.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03481+2409 | WDS designation |
| Discoverer Code: | COU80 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.6 | Magnitude of the primary |
| V2: | 10.5 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 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 0.460 78.3 ------------------------- 1732.0 1.204 255.2 1733.0 1.201 255.1 1734.0 1.198 254.9 1735.0 1.194 254.8 1736.0 1.191 254.7 1737.0 1.188 254.6 1738.0 1.184 254.5 1739.0 1.181 254.4 1740.0 1.177 254.3 1741.0 1.174 254.2 1742.0 1.170 254.0 1743.0 1.167 253.9 1744.0 1.163 253.8 1745.0 1.159 253.7 1746.0 1.156 253.6 1747.0 1.152 253.4 1748.0 1.148 253.3 1749.0 1.144 253.2 1750.0 1.141 253.1 1751.0 1.137 253.0 1752.0 1.133 252.8 1753.0 1.129 252.7 1754.0 1.125 252.6 1755.0 1.121 252.5 1756.0 1.117 252.3 1757.0 1.113 252.2 1758.0 1.109 252.1 1759.0 1.105 251.9 1760.0 1.100 251.8 1761.0 1.096 251.7 1762.0 1.092 251.5 1763.0 1.088 251.4 1764.0 1.083 251.3 1765.0 1.079 251.1 1766.0 1.075 251.0 1767.0 1.070 250.9 1768.0 1.066 250.7 1769.0 1.061 250.6 1770.0 1.057 250.4 1771.0 1.052 250.3 1772.0 1.048 250.2 1773.0 1.043 250.0 1774.0 1.038 249.9 1775.0 1.034 249.7 1776.0 1.029 249.6 1777.0 1.024 249.4 1778.0 1.019 249.3 1779.0 1.015 249.1 1780.0 1.010 248.9 1781.0 1.005 248.8 1782.0 1.000 248.6 1783.0 0.995 248.5 1784.0 0.990 248.3 1785.0 0.985 248.1 1786.0 0.980 248.0 1787.0 0.975 247.8 1788.0 0.970 247.6 1789.0 0.965 247.5 1790.0 0.960 247.3 1791.0 0.955 247.1 1792.0 0.950 247.0 1793.0 0.944 246.8 1794.0 0.939 246.6 1795.0 0.934 246.4 1796.0 0.929 246.2 1797.0 0.923 246.0 1798.0 0.918 245.9 1799.0 0.913 245.7 1800.0 0.907 245.5 1801.0 0.902 245.3 1802.0 0.896 245.1 1803.0 0.891 244.9 1804.0 0.885 244.7 1805.0 0.880 244.5 1806.0 0.874 244.3 1807.0 0.869 244.1 1808.0 0.863 243.8 1809.0 0.858 243.6 1810.0 0.852 243.4 1811.0 0.846 243.2 1812.0 0.841 243.0 1813.0 0.835 242.7 1814.0 0.829 242.5 1815.0 0.824 242.3 1816.0 0.818 242.0 1817.0 0.812 241.8 1818.0 0.806 241.6 1819.0 0.800 241.3 1820.0 0.795 241.1 1821.0 0.789 240.8 1822.0 0.783 240.5 1823.0 0.777 240.3 1824.0 0.771 240.0 1825.0 0.765 239.7 1826.0 0.759 239.5 1827.0 0.753 239.2 1828.0 0.747 238.9 1829.0 0.741 238.6 1830.0 0.735 238.3 1831.0 0.729 238.0 1832.0 0.723 237.7 1833.0 0.717 237.4 1834.0 0.711 237.1 1835.0 0.705 236.8 1836.0 0.699 236.5 1837.0 0.693 236.1 1838.0 0.687 235.8 1839.0 0.681 235.5 1840.0 0.675 235.1 1841.0 0.668 234.8 1842.0 0.662 234.4 1843.0 0.656 234.0 1844.0 0.650 233.7 1845.0 0.644 233.3 1846.0 0.638 232.9 1847.0 0.632 232.5 1848.0 0.626 232.1 1849.0 0.619 231.7 1850.0 0.613 231.3 1851.0 0.607 230.8 1852.0 0.601 230.4 1853.0 0.595 230.0 1854.0 0.589 229.5 1855.0 0.583 229.0 1856.0 0.577 228.6 1857.0 0.570 228.1 1858.0 0.564 227.6 1859.0 0.558 227.1 1860.0 0.552 226.6 1861.0 0.546 226.0 1862.0 0.540 225.5 1863.0 0.534 224.9 1864.0 0.528 224.4 1865.0 0.522 223.8 1866.0 0.516 223.2 1867.0 0.510 222.6 1868.0 0.504 222.0 1869.0 0.499 221.3 1870.0 0.493 220.7 1871.0 0.487 220.0 1872.0 0.481 219.4 1873.0 0.476 218.7 1874.0 0.470 217.9 1875.0 0.464 217.2 1876.0 0.459 216.5 1877.0 0.453 215.7 1878.0 0.448 214.9 1879.0 0.442 214.1 1880.0 0.437 213.3 1881.0 0.432 212.4 1882.0 0.426 211.6 1883.0 0.421 210.7 1884.0 0.416 209.8 1885.0 0.411 208.8 1886.0 0.406 207.9 1887.0 0.402 206.9 1888.0 0.397 205.9 1889.0 0.392 204.9 1890.0 0.388 203.8 1891.0 0.383 202.8 1892.0 0.379 201.7 1893.0 0.375 200.5 1894.0 0.371 199.4 1895.0 0.367 198.2 1896.0 0.363 197.0 1897.0 0.359 195.8 1898.0 0.356 194.6 1899.0 0.352 193.3 1900.0 0.349 192.0 1901.0 0.346 190.7 1902.0 0.343 189.3 1903.0 0.340 188.0 1904.0 0.338 186.6 1905.0 0.335 185.2 1906.0 0.333 183.7 1907.0 0.331 182.3 1908.0 0.329 180.8 1909.0 0.327 179.3 1910.0 0.326 177.9 1911.0 0.324 176.3 1912.0 0.323 174.8 1913.0 0.322 173.3 1914.0 0.322 171.8 1915.0 0.321 170.2 1916.0 0.321 168.7 1917.0 0.321 167.1 1918.0 0.321 165.6 1919.0 0.321 164.0 1920.0 0.322 162.5 1921.0 0.322 160.9 1922.0 0.323 159.4 1923.0 0.324 157.9 1924.0 0.326 156.4 1925.0 0.327 154.9 1926.0 0.329 153.4 1927.0 0.330 151.9 1928.0 0.333 150.5 1929.0 0.335 149.0 1930.0 0.337 147.6 1931.0 0.340 146.2 1932.0 0.342 144.9 1933.0 0.345 143.5 1934.0 0.348 142.2 1935.0 0.351 140.9 1936.0 0.354 139.6 1937.0 0.358 138.3 1938.0 0.361 137.1 1939.0 0.365 135.9 1940.0 0.368 134.7 1941.0 0.372 133.6 1942.0 0.376 132.4 1943.0 0.380 131.3 1944.0 0.384 130.2 1945.0 0.388 129.1 1946.0 0.393 128.1 1947.0 0.397 127.1 1948.0 0.401 126.1 1949.0 0.406 125.1 1950.0 0.410 124.1 1951.0 0.415 123.2 1952.0 0.419 122.3 1953.0 0.424 121.4 1954.0 0.428 120.5 1955.0 0.433 119.6 1956.0 0.438 118.8 1957.0 0.442 118.0 1958.0 0.447 117.2 1959.0 0.452 116.4 1960.0 0.456 115.6 1961.0 0.461 114.8 1962.0 0.465 114.1 1963.0 0.470 113.4 1964.0 0.474 112.7 1965.0 0.479 112.0 1966.0 0.483 111.3 1967.0 0.488 110.6 1968.0 0.492 109.9 1969.0 0.497 109.3 1970.0 0.501 108.6 1971.0 0.505 108.0 1972.0 0.509 107.4 1973.0 0.513 106.8 1974.0 0.517 106.2 1975.0 0.521 105.6 1976.0 0.525 105.0 1977.0 0.528 104.4 1978.0 0.532 103.9 1979.0 0.535 103.3 1980.0 0.539 102.7 1981.0 0.542 102.2 1982.0 0.545 101.7 1983.0 0.548 101.1 1984.0 0.551 100.6 1985.0 0.553 100.1 1986.0 0.556 99.6 1987.0 0.558 99.0 1988.0 0.560 98.5 1989.0 0.562 98.0 1990.0 0.564 97.5 1991.0 0.565 97.0 1992.0 0.567 96.5 1993.0 0.568 96.0 1994.0 0.569 95.5 1995.0 0.569 95.0 1996.0 0.570 94.6 1997.0 0.570 94.1 1998.0 0.570 93.6 1999.0 0.570 93.1 2000.0 0.569 92.6 2001.0 0.569 92.1 2002.0 0.568 91.6 2003.0 0.566 91.1 2004.0 0.565 90.6 2005.0 0.563 90.1 2006.0 0.561 89.6 2007.0 0.558 89.1 2008.0 0.556 88.6 2009.0 0.553 88.1 2010.0 0.549 87.5 2011.0 0.545 87.0 2012.0 0.541 86.5 2013.0 0.537 85.9 2014.0 0.532 85.4 2015.0 0.528 84.8 2016.0 0.522 84.2 2017.0 0.517 83.6 2018.0 0.511 83.0 2019.0 0.504 82.4 2020.0 0.498 81.8 2021.0 0.491 81.1 2022.0 0.484 80.4 2023.0 0.476 79.7 2024.0 0.468 79.0 2025.0 0.460 78.3 2026.0 0.452 77.5 2027.0 0.443 76.7 2028.0 0.434 75.9 2029.0 0.425 75.0 2030.0 0.416 74.1 2031.0 0.406 73.2 2032.0 0.396 72.2 2033.0 0.386 71.2 2034.0 0.376 70.1 2035.0 0.365 68.9 2036.0 0.355 67.7 2037.0 0.344 66.4 2038.0 0.334 65.0 2039.0 0.323 63.5 2040.0 0.312 61.9 2041.0 0.301 60.2 2042.0 0.291 58.4 2043.0 0.280 56.5 2044.0 0.270 54.3 2045.0 0.260 52.1 2046.0 0.250 49.6 2047.0 0.240 46.9 2048.0 0.231 44.1 2049.0 0.222 41.0 2050.0 0.214 37.6 2051.0 0.206 34.0 2052.0 0.200 30.1 2053.0 0.194 26.0 2054.0 0.189 21.6 2055.0 0.185 17.0 2056.0 0.182 12.3 2057.0 0.180 7.4 2058.0 0.180 2.5 2059.0 0.181 357.6 2060.0 0.183 352.8 2061.0 0.186 348.1 2062.0 0.190 343.5 2063.0 0.196 339.3 2064.0 0.202 335.2 2065.0 0.209 331.4 2066.0 0.217 327.9 2067.0 0.225 324.6 2068.0 0.234 321.6 2069.0 0.244 318.8 2070.0 0.254 316.3 2071.0 0.265 313.9 2072.0 0.275 311.7 2073.0 0.286 309.7 2074.0 0.298 307.8 2075.0 0.309 306.1 2076.0 0.321 304.5 2077.0 0.332 303.0 2078.0 0.344 301.6 2079.0 0.356 300.3 2080.0 0.368 299.1 2081.0 0.380 297.9 2082.0 0.392 296.9 2083.0 0.404 295.8 2084.0 0.416 294.9 2085.0 0.428 294.0 2086.0 0.440 293.1 2087.0 0.452 292.3 2088.0 0.463 291.6 2089.0 0.475 290.9 2090.0 0.487 290.2 2091.0 0.499 289.5 2092.0 0.511 288.9 2093.0 0.522 288.3 2094.0 0.534 287.7 2095.0 0.545 287.2 2096.0 0.557 286.6 2097.0 0.568 286.1 2098.0 0.579 285.7 2099.0 0.590 285.2 2100.0 0.601 284.7 2101.0 0.612 284.3 2102.0 0.623 283.9 2103.0 0.634 283.5 2104.0 0.645 283.1 2105.0 0.655 282.7 2106.0 0.666 282.4 2107.0 0.676 282.0 2108.0 0.687 281.7 2109.0 0.697 281.3 2110.0 0.707 281.0 2111.0 0.717 280.7 2112.0 0.727 280.4 2113.0 0.737 280.1 2114.0 0.747 279.8 2115.0 0.757 279.5 2116.0 0.766 279.2 2117.0 0.776 279.0 2118.0 0.785 278.7 2119.0 0.794 278.5 2120.0 0.804 278.2 2121.0 0.813 278.0 2122.0 0.822 277.7 2123.0 0.831 277.5 2124.0 0.840 277.3 2125.0 0.848 277.0 2126.0 0.857 276.8 2127.0 0.865 276.6 2128.0 0.874 276.4 2129.0 0.882 276.2 2130.0 0.891 276.0 2131.0 0.899 275.8 2132.0 0.907 275.6 2133.0 0.915 275.4 2134.0 0.923 275.2 2135.0 0.930 275.0 2136.0 0.938 274.8 2137.0 0.946 274.7 2138.0 0.953 274.5 2139.0 0.961 274.3 2140.0 0.968 274.1 2141.0 0.975 274.0 2142.0 0.982 273.8 2143.0 0.990 273.6 2144.0 0.997 273.5 2145.0 1.003 273.3 2146.0 1.010 273.2 2147.0 1.017 273.0 2148.0 1.024 272.9 2149.0 1.030 272.7 2150.0 1.037 272.6 2151.0 1.043 272.4 2152.0 1.049 272.3 2153.0 1.056 272.1 2154.0 1.062 272.0 2155.0 1.068 271.8 2156.0 1.074 271.7 2157.0 1.080 271.6 2158.0 1.085 271.4 2159.0 1.091 271.3 2160.0 1.097 271.2 2161.0 1.102 271.0 2162.0 1.108 270.9 2163.0 1.113 270.8 2164.0 1.119 270.6 2165.0 1.124 270.5 2166.0 1.129 270.4 2167.0 1.134 270.3 2168.0 1.139 270.1 2169.0 1.144 270.0 2170.0 1.149 269.9 2171.0 1.154 269.8 2172.0 1.158 269.6 2173.0 1.163 269.5 2174.0 1.168 269.4 2175.0 1.172 269.3 2176.0 1.176 269.2 2177.0 1.181 269.1 2178.0 1.185 269.0 2179.0 1.189 268.8 2180.0 1.193 268.7 2181.0 1.197 268.6 2182.0 1.201 268.5 2183.0 1.205 268.4 2184.0 1.209 268.3 2185.0 1.213 268.2 2186.0 1.217 268.1 2187.0 1.220 268.0 2188.0 1.224 267.9 2189.0 1.227 267.7 2190.0 1.231 267.6 2191.0 1.234 267.5 2192.0 1.237 267.4 2193.0 1.241 267.3 2194.0 1.244 267.2 2195.0 1.247 267.1 2196.0 1.250 267.0 2197.0 1.253 266.9 2198.0 1.256 266.8 2199.0 1.259 266.7 2200.0 1.261 266.6 2201.0 1.264 266.5 2202.0 1.267 266.4 2203.0 1.269 266.3 2204.0 1.272 266.2 2205.0 1.274 266.1 2206.0 1.277 266.0 2207.0 1.279 265.9 2208.0 1.281 265.8 2209.0 1.283 265.7 2210.0 1.286 265.6 2211.0 1.288 265.5 2212.0 1.290 265.4 2213.0 1.292 265.3 2214.0 1.293 265.2 2215.0 1.295 265.2 2216.0 1.297 265.1 2217.0 1.299 265.0 2218.0 1.300 264.9 2219.0 1.302 264.8 2220.0 1.304 264.7 2221.0 1.305 264.6 2222.0 1.306 264.5 2223.0 1.308 264.4 2224.0 1.309 264.3 2225.0 1.310 264.2 2226.0 1.312 264.1 2227.0 1.313 264.0 2228.0 1.314 263.9 2229.0 1.315 263.8 2230.0 1.316 263.8 2231.0 1.317 263.7 2232.0 1.318 263.6 2233.0 1.318 263.5 2234.0 1.319 263.4 2235.0 1.320 263.3 2236.0 1.320 263.2 2237.0 1.321 263.1 2238.0 1.322 263.0 2239.0 1.322 262.9 2240.0 1.322 262.8 2241.0 1.323 262.7 2242.0 1.323 262.7 2243.0 1.323 262.6 2244.0 1.324 262.5 2245.0 1.324 262.4 2246.0 1.324 262.3 2247.0 1.324 262.2 2248.0 1.324 262.1 2249.0 1.324 262.0 2250.0 1.324 261.9 2251.0 1.324 261.8 2252.0 1.323 261.7 2253.0 1.323 261.7 2254.0 1.323 261.6 2255.0 1.323 261.5 2256.0 1.322 261.4 2257.0 1.322 261.3 2258.0 1.321 261.2 2259.0 1.321 261.1 2260.0 1.320 261.0 2261.0 1.320 260.9 2262.0 1.319 260.8 2263.0 1.318 260.7 2264.0 1.317 260.6 2265.0 1.316 260.6 2266.0 1.316 260.5 2267.0 1.315 260.4 2268.0 1.314 260.3 2269.0 1.313 260.2 2270.0 1.312 260.1 2271.0 1.310 260.0 2272.0 1.309 259.9 2273.0 1.308 259.8 2274.0 1.307 259.7 2275.0 1.306 259.6 2276.0 1.304 259.5 2277.0 1.303 259.4 2278.0 1.301 259.3 2279.0 1.300 259.3 2280.0 1.298 259.2 2281.0 1.297 259.1 2282.0 1.295 259.0 2283.0 1.294 258.9 2284.0 1.292 258.8 2285.0 1.290 258.7 2286.0 1.288 258.6 2287.0 1.286 258.5 2288.0 1.285 258.4 2289.0 1.283 258.3 2290.0 1.281 258.2 2291.0 1.279 258.1 2292.0 1.277 258.0 2293.0 1.275 257.9 2294.0 1.272 257.8 2295.0 1.270 257.7 2296.0 1.268 257.6 2297.0 1.266 257.5 2298.0 1.263 257.4 2299.0 1.261 257.3 2300.0 1.259 257.2 2301.0 1.256 257.1 2302.0 1.254 257.0 2303.0 1.251 256.9 2304.0 1.249 256.8 2305.0 1.246 256.7 2306.0 1.243 256.6 2307.0 1.241 256.5 2308.0 1.238 256.4 2309.0 1.235 256.3 2310.0 1.233 256.2 2311.0 1.230 256.1 2312.0 1.227 256.0 2313.0 1.224 255.9 2314.0 1.221 255.8 2315.0 1.218 255.7 2316.0 1.215 255.5 2317.0 1.212 255.4