| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:21:27 |
| WDS: | COU532 | WDS ID/Discoverer |
| P: | 556.100 | Orbital period (years) |
| a: | 0.494 | Semi-major axis (arcseconds) |
| i: | 119.3 | Inclination (degrees) |
| Ω: | 45.4 | Longitude of ascending node (degrees) |
| T: | 1959.300 | Epoch of periastron passage (year) |
| e: | 0.5669 | Eccentricity |
| ω: | 258.1 | Longitude of periastron (degrees) |
| Start-Year: | 1747.0 | Year |
| End-Year: | 2303.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 212219.57+290623.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21223+2906 | WDS designation |
| Discoverer Code: | COU532 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 9.5 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.412 41.5 ------------------------- 1747.0 0.365 309.7 1748.0 0.364 309.2 1749.0 0.364 308.8 1750.0 0.364 308.3 1751.0 0.364 307.8 1752.0 0.364 307.3 1753.0 0.363 306.8 1754.0 0.363 306.4 1755.0 0.363 305.9 1756.0 0.363 305.4 1757.0 0.363 304.9 1758.0 0.363 304.4 1759.0 0.362 303.9 1760.0 0.362 303.5 1761.0 0.362 303.0 1762.0 0.362 302.5 1763.0 0.362 302.0 1764.0 0.362 301.5 1765.0 0.362 301.0 1766.0 0.362 300.5 1767.0 0.362 300.1 1768.0 0.362 299.6 1769.0 0.362 299.1 1770.0 0.362 298.6 1771.0 0.362 298.1 1772.0 0.362 297.6 1773.0 0.362 297.1 1774.0 0.362 296.6 1775.0 0.362 296.2 1776.0 0.362 295.7 1777.0 0.362 295.2 1778.0 0.362 294.7 1779.0 0.363 294.2 1780.0 0.363 293.7 1781.0 0.363 293.3 1782.0 0.363 292.8 1783.0 0.363 292.3 1784.0 0.363 291.8 1785.0 0.363 291.3 1786.0 0.364 290.8 1787.0 0.364 290.4 1788.0 0.364 289.9 1789.0 0.364 289.4 1790.0 0.364 288.9 1791.0 0.365 288.4 1792.0 0.365 288.0 1793.0 0.365 287.5 1794.0 0.365 287.0 1795.0 0.365 286.5 1796.0 0.366 286.1 1797.0 0.366 285.6 1798.0 0.366 285.1 1799.0 0.367 284.6 1800.0 0.367 284.2 1801.0 0.367 283.7 1802.0 0.367 283.2 1803.0 0.368 282.7 1804.0 0.368 282.3 1805.0 0.368 281.8 1806.0 0.369 281.3 1807.0 0.369 280.9 1808.0 0.369 280.4 1809.0 0.370 279.9 1810.0 0.370 279.5 1811.0 0.370 279.0 1812.0 0.371 278.5 1813.0 0.371 278.1 1814.0 0.371 277.6 1815.0 0.372 277.1 1816.0 0.372 276.7 1817.0 0.372 276.2 1818.0 0.373 275.8 1819.0 0.373 275.3 1820.0 0.373 274.8 1821.0 0.374 274.4 1822.0 0.374 273.9 1823.0 0.374 273.5 1824.0 0.375 273.0 1825.0 0.375 272.6 1826.0 0.375 272.1 1827.0 0.376 271.7 1828.0 0.376 271.2 1829.0 0.376 270.8 1830.0 0.377 270.3 1831.0 0.377 269.9 1832.0 0.378 269.4 1833.0 0.378 269.0 1834.0 0.378 268.5 1835.0 0.378 268.1 1836.0 0.379 267.6 1837.0 0.379 267.2 1838.0 0.379 266.8 1839.0 0.380 266.3 1840.0 0.380 265.9 1841.0 0.380 265.4 1842.0 0.381 265.0 1843.0 0.381 264.5 1844.0 0.381 264.1 1845.0 0.381 263.7 1846.0 0.382 263.2 1847.0 0.382 262.8 1848.0 0.382 262.4 1849.0 0.382 261.9 1850.0 0.382 261.5 1851.0 0.383 261.1 1852.0 0.383 260.6 1853.0 0.383 260.2 1854.0 0.383 259.8 1855.0 0.383 259.3 1856.0 0.383 258.9 1857.0 0.383 258.5 1858.0 0.384 258.0 1859.0 0.384 257.6 1860.0 0.384 257.2 1861.0 0.384 256.7 1862.0 0.384 256.3 1863.0 0.384 255.9 1864.0 0.384 255.4 1865.0 0.384 255.0 1866.0 0.384 254.6 1867.0 0.383 254.1 1868.0 0.383 253.7 1869.0 0.383 253.3 1870.0 0.383 252.8 1871.0 0.383 252.4 1872.0 0.383 252.0 1873.0 0.382 251.5 1874.0 0.382 251.1 1875.0 0.382 250.6 1876.0 0.381 250.2 1877.0 0.381 249.8 1878.0 0.381 249.3 1879.0 0.380 248.9 1880.0 0.380 248.4 1881.0 0.379 248.0 1882.0 0.379 247.6 1883.0 0.378 247.1 1884.0 0.377 246.7 1885.0 0.377 246.2 1886.0 0.376 245.8 1887.0 0.375 245.3 1888.0 0.374 244.9 1889.0 0.374 244.4 1890.0 0.373 244.0 1891.0 0.372 243.5 1892.0 0.371 243.0 1893.0 0.370 242.6 1894.0 0.369 242.1 1895.0 0.367 241.6 1896.0 0.366 241.2 1897.0 0.365 240.7 1898.0 0.364 240.2 1899.0 0.362 239.7 1900.0 0.361 239.2 1901.0 0.359 238.7 1902.0 0.358 238.2 1903.0 0.356 237.7 1904.0 0.354 237.2 1905.0 0.352 236.7 1906.0 0.350 236.2 1907.0 0.348 235.7 1908.0 0.346 235.2 1909.0 0.344 234.6 1910.0 0.342 234.1 1911.0 0.340 233.5 1912.0 0.337 233.0 1913.0 0.335 232.4 1914.0 0.332 231.8 1915.0 0.330 231.3 1916.0 0.327 230.7 1917.0 0.324 230.1 1918.0 0.321 229.5 1919.0 0.318 228.8 1920.0 0.315 228.2 1921.0 0.311 227.5 1922.0 0.308 226.9 1923.0 0.304 226.2 1924.0 0.301 225.5 1925.0 0.297 224.8 1926.0 0.293 224.1 1927.0 0.289 223.3 1928.0 0.285 222.5 1929.0 0.280 221.7 1930.0 0.276 220.9 1931.0 0.271 220.1 1932.0 0.267 219.2 1933.0 0.262 218.3 1934.0 0.257 217.3 1935.0 0.252 216.3 1936.0 0.246 215.3 1937.0 0.241 214.2 1938.0 0.235 213.1 1939.0 0.230 211.9 1940.0 0.224 210.7 1941.0 0.218 209.4 1942.0 0.212 208.0 1943.0 0.206 206.5 1944.0 0.199 205.0 1945.0 0.193 203.3 1946.0 0.187 201.6 1947.0 0.180 199.7 1948.0 0.174 197.6 1949.0 0.167 195.4 1950.0 0.161 193.1 1951.0 0.154 190.5 1952.0 0.148 187.7 1953.0 0.142 184.7 1954.0 0.136 181.4 1955.0 0.130 177.8 1956.0 0.125 173.9 1957.0 0.120 169.7 1958.0 0.116 165.1 1959.0 0.113 160.2 1960.0 0.110 155.0 1961.0 0.107 149.6 1962.0 0.106 144.0 1963.0 0.105 138.3 1964.0 0.106 132.6 1965.0 0.107 127.0 1966.0 0.109 121.5 1967.0 0.112 116.3 1968.0 0.116 111.4 1969.0 0.120 106.8 1970.0 0.125 102.5 1971.0 0.130 98.6 1972.0 0.136 95.0 1973.0 0.142 91.7 1974.0 0.148 88.6 1975.0 0.154 85.8 1976.0 0.161 83.2 1977.0 0.168 80.9 1978.0 0.174 78.7 1979.0 0.181 76.7 1980.0 0.188 74.8 1981.0 0.195 73.1 1982.0 0.202 71.4 1983.0 0.208 69.9 1984.0 0.215 68.5 1985.0 0.222 67.2 1986.0 0.229 65.9 1987.0 0.235 64.7 1988.0 0.242 63.6 1989.0 0.248 62.6 1990.0 0.254 61.5 1991.0 0.260 60.6 1992.0 0.266 59.7 1993.0 0.272 58.8 1994.0 0.278 57.9 1995.0 0.284 57.1 1996.0 0.290 56.4 1997.0 0.295 55.6 1998.0 0.301 54.9 1999.0 0.306 54.2 2000.0 0.311 53.5 2001.0 0.317 52.9 2002.0 0.322 52.3 2003.0 0.327 51.7 2004.0 0.331 51.1 2005.0 0.336 50.5 2006.0 0.341 50.0 2007.0 0.345 49.4 2008.0 0.350 48.9 2009.0 0.354 48.4 2010.0 0.359 47.9 2011.0 0.363 47.4 2012.0 0.367 46.9 2013.0 0.371 46.4 2014.0 0.375 46.0 2015.0 0.379 45.5 2016.0 0.382 45.1 2017.0 0.386 44.7 2018.0 0.390 44.2 2019.0 0.393 43.8 2020.0 0.396 43.4 2021.0 0.400 43.0 2022.0 0.403 42.6 2023.0 0.406 42.2 2024.0 0.409 41.8 2025.0 0.412 41.5 2026.0 0.415 41.1 2027.0 0.418 40.7 2028.0 0.421 40.4 2029.0 0.424 40.0 2030.0 0.427 39.7 2031.0 0.429 39.3 2032.0 0.432 39.0 2033.0 0.434 38.6 2034.0 0.437 38.3 2035.0 0.439 38.0 2036.0 0.441 37.6 2037.0 0.444 37.3 2038.0 0.446 37.0 2039.0 0.448 36.7 2040.0 0.450 36.3 2041.0 0.452 36.0 2042.0 0.454 35.7 2043.0 0.456 35.4 2044.0 0.458 35.1 2045.0 0.460 34.8 2046.0 0.462 34.5 2047.0 0.463 34.2 2048.0 0.465 33.9 2049.0 0.467 33.6 2050.0 0.468 33.3 2051.0 0.470 33.0 2052.0 0.471 32.7 2053.0 0.473 32.5 2054.0 0.474 32.2 2055.0 0.476 31.9 2056.0 0.477 31.6 2057.0 0.478 31.3 2058.0 0.480 31.1 2059.0 0.481 30.8 2060.0 0.482 30.5 2061.0 0.483 30.2 2062.0 0.484 30.0 2063.0 0.485 29.7 2064.0 0.486 29.4 2065.0 0.487 29.2 2066.0 0.488 28.9 2067.0 0.489 28.6 2068.0 0.490 28.4 2069.0 0.491 28.1 2070.0 0.492 27.8 2071.0 0.492 27.6 2072.0 0.493 27.3 2073.0 0.494 27.0 2074.0 0.495 26.8 2075.0 0.495 26.5 2076.0 0.496 26.3 2077.0 0.496 26.0 2078.0 0.497 25.7 2079.0 0.498 25.5 2080.0 0.498 25.2 2081.0 0.499 25.0 2082.0 0.499 24.7 2083.0 0.499 24.5 2084.0 0.500 24.2 2085.0 0.500 23.9 2086.0 0.500 23.7 2087.0 0.501 23.4 2088.0 0.501 23.2 2089.0 0.501 22.9 2090.0 0.502 22.7 2091.0 0.502 22.4 2092.0 0.502 22.2 2093.0 0.502 21.9 2094.0 0.502 21.7 2095.0 0.502 21.4 2096.0 0.503 21.2 2097.0 0.503 20.9 2098.0 0.503 20.7 2099.0 0.503 20.4 2100.0 0.503 20.2 2101.0 0.503 19.9 2102.0 0.503 19.7 2103.0 0.503 19.4 2104.0 0.503 19.1 2105.0 0.502 18.9 2106.0 0.502 18.6 2107.0 0.502 18.4 2108.0 0.502 18.1 2109.0 0.502 17.9 2110.0 0.502 17.6 2111.0 0.502 17.4 2112.0 0.501 17.1 2113.0 0.501 16.9 2114.0 0.501 16.6 2115.0 0.501 16.4 2116.0 0.500 16.1 2117.0 0.500 15.9 2118.0 0.500 15.6 2119.0 0.499 15.3 2120.0 0.499 15.1 2121.0 0.499 14.8 2122.0 0.498 14.6 2123.0 0.498 14.3 2124.0 0.497 14.1 2125.0 0.497 13.8 2126.0 0.496 13.5 2127.0 0.496 13.3 2128.0 0.496 13.0 2129.0 0.495 12.8 2130.0 0.495 12.5 2131.0 0.494 12.2 2132.0 0.494 12.0 2133.0 0.493 11.7 2134.0 0.492 11.5 2135.0 0.492 11.2 2136.0 0.491 10.9 2137.0 0.491 10.7 2138.0 0.490 10.4 2139.0 0.490 10.1 2140.0 0.489 9.9 2141.0 0.488 9.6 2142.0 0.488 9.3 2143.0 0.487 9.1 2144.0 0.486 8.8 2145.0 0.486 8.5 2146.0 0.485 8.3 2147.0 0.484 8.0 2148.0 0.484 7.7 2149.0 0.483 7.4 2150.0 0.482 7.2 2151.0 0.481 6.9 2152.0 0.481 6.6 2153.0 0.480 6.3 2154.0 0.479 6.1 2155.0 0.478 5.8 2156.0 0.478 5.5 2157.0 0.477 5.2 2158.0 0.476 5.0 2159.0 0.475 4.7 2160.0 0.474 4.4 2161.0 0.474 4.1 2162.0 0.473 3.8 2163.0 0.472 3.5 2164.0 0.471 3.3 2165.0 0.470 3.0 2166.0 0.469 2.7 2167.0 0.469 2.4 2168.0 0.468 2.1 2169.0 0.467 1.8 2170.0 0.466 1.5 2171.0 0.465 1.2 2172.0 0.464 0.9 2173.0 0.463 0.6 2174.0 0.463 0.3 2175.0 0.462 0.0 2176.0 0.461 359.7 2177.0 0.460 359.4 2178.0 0.459 359.1 2179.0 0.458 358.8 2180.0 0.457 358.5 2181.0 0.456 358.2 2182.0 0.455 357.9 2183.0 0.454 357.6 2184.0 0.453 357.3 2185.0 0.452 357.0 2186.0 0.452 356.7 2187.0 0.451 356.4 2188.0 0.450 356.0 2189.0 0.449 355.7 2190.0 0.448 355.4 2191.0 0.447 355.1 2192.0 0.446 354.8 2193.0 0.445 354.5 2194.0 0.444 354.1 2195.0 0.443 353.8 2196.0 0.442 353.5 2197.0 0.441 353.2 2198.0 0.440 352.8 2199.0 0.439 352.5 2200.0 0.438 352.2 2201.0 0.437 351.8 2202.0 0.436 351.5 2203.0 0.435 351.2 2204.0 0.434 350.8 2205.0 0.433 350.5 2206.0 0.433 350.1 2207.0 0.432 349.8 2208.0 0.431 349.5 2209.0 0.430 349.1 2210.0 0.429 348.8 2211.0 0.428 348.4 2212.0 0.427 348.1 2213.0 0.426 347.7 2214.0 0.425 347.4 2215.0 0.424 347.0 2216.0 0.423 346.7 2217.0 0.422 346.3 2218.0 0.421 346.0 2219.0 0.420 345.6 2220.0 0.419 345.2 2221.0 0.418 344.9 2222.0 0.417 344.5 2223.0 0.416 344.1 2224.0 0.416 343.8 2225.0 0.415 343.4 2226.0 0.414 343.0 2227.0 0.413 342.7 2228.0 0.412 342.3 2229.0 0.411 341.9 2230.0 0.410 341.5 2231.0 0.409 341.1 2232.0 0.408 340.8 2233.0 0.407 340.4 2234.0 0.406 340.0 2235.0 0.406 339.6 2236.0 0.405 339.2 2237.0 0.404 338.8 2238.0 0.403 338.4 2239.0 0.402 338.0 2240.0 0.401 337.7 2241.0 0.400 337.3 2242.0 0.400 336.9 2243.0 0.399 336.5 2244.0 0.398 336.1 2245.0 0.397 335.7 2246.0 0.396 335.3 2247.0 0.396 334.8 2248.0 0.395 334.4 2249.0 0.394 334.0 2250.0 0.393 333.6 2251.0 0.392 333.2 2252.0 0.392 332.8 2253.0 0.391 332.4 2254.0 0.390 332.0 2255.0 0.389 331.5 2256.0 0.389 331.1 2257.0 0.388 330.7 2258.0 0.387 330.3 2259.0 0.386 329.8 2260.0 0.386 329.4 2261.0 0.385 329.0 2262.0 0.384 328.6 2263.0 0.384 328.1 2264.0 0.383 327.7 2265.0 0.382 327.3 2266.0 0.382 326.8 2267.0 0.381 326.4 2268.0 0.380 325.9 2269.0 0.380 325.5 2270.0 0.379 325.1 2271.0 0.378 324.6 2272.0 0.378 324.2 2273.0 0.377 323.7 2274.0 0.377 323.3 2275.0 0.376 322.8 2276.0 0.376 322.4 2277.0 0.375 321.9 2278.0 0.374 321.5 2279.0 0.374 321.0 2280.0 0.373 320.6 2281.0 0.373 320.1 2282.0 0.372 319.6 2283.0 0.372 319.2 2284.0 0.371 318.7 2285.0 0.371 318.3 2286.0 0.371 317.8 2287.0 0.370 317.3 2288.0 0.370 316.9 2289.0 0.369 316.4 2290.0 0.369 315.9 2291.0 0.368 315.5 2292.0 0.368 315.0 2293.0 0.368 314.5 2294.0 0.367 314.1 2295.0 0.367 313.6 2296.0 0.367 313.1 2297.0 0.366 312.6 2298.0 0.366 312.2 2299.0 0.366 311.7 2300.0 0.365 311.2 2301.0 0.365 310.7 2302.0 0.365 310.2