| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:31:53 |
| WDS: | COU136 | WDS ID/Discoverer |
| P: | 284.600 | Orbital period (years) |
| a: | 0.62 | Semi-major axis (arcseconds) |
| i: | 110.6 | Inclination (degrees) |
| Ω: | 35.8 | Longitude of ascending node (degrees) |
| T: | 1969.600 | Epoch of periastron passage (year) |
| e: | 0.321 | Eccentricity |
| ω: | 304.2 | Longitude of periastron (degrees) |
| Start-Year: | 1883.0 | Year |
| End-Year: | 2167.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 221002.22+230733.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22100+2308 | WDS designation |
| Discoverer Code: | COU136 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 210444 | HD catalog number |
| Hipparcos number: | 109414 | Hipparcos catalog number |
| V1: | 9.20 | Magnitude of the primary |
| V2: | 7.56 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2011 | 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 0.419 12.0 ------------------------- 1883.0 0.713 221.0 1884.0 0.712 220.7 1885.0 0.711 220.4 1886.0 0.710 220.1 1887.0 0.709 219.8 1888.0 0.707 219.4 1889.0 0.706 219.1 1890.0 0.704 218.8 1891.0 0.702 218.5 1892.0 0.700 218.1 1893.0 0.697 217.8 1894.0 0.694 217.5 1895.0 0.692 217.1 1896.0 0.688 216.8 1897.0 0.685 216.4 1898.0 0.682 216.1 1899.0 0.678 215.7 1900.0 0.674 215.4 1901.0 0.670 215.0 1902.0 0.665 214.7 1903.0 0.661 214.3 1904.0 0.656 213.9 1905.0 0.650 213.5 1906.0 0.645 213.2 1907.0 0.639 212.8 1908.0 0.633 212.4 1909.0 0.627 212.0 1910.0 0.621 211.5 1911.0 0.614 211.1 1912.0 0.607 210.7 1913.0 0.600 210.2 1914.0 0.593 209.8 1915.0 0.585 209.3 1916.0 0.577 208.8 1917.0 0.569 208.3 1918.0 0.561 207.8 1919.0 0.552 207.3 1920.0 0.543 206.8 1921.0 0.534 206.2 1922.0 0.524 205.6 1923.0 0.515 205.0 1924.0 0.505 204.4 1925.0 0.494 203.8 1926.0 0.484 203.1 1927.0 0.473 202.4 1928.0 0.462 201.6 1929.0 0.451 200.9 1930.0 0.439 200.0 1931.0 0.428 199.2 1932.0 0.416 198.3 1933.0 0.404 197.3 1934.0 0.392 196.3 1935.0 0.379 195.2 1936.0 0.366 194.0 1937.0 0.354 192.8 1938.0 0.341 191.4 1939.0 0.328 190.0 1940.0 0.315 188.4 1941.0 0.301 186.7 1942.0 0.288 184.8 1943.0 0.275 182.8 1944.0 0.262 180.5 1945.0 0.249 178.0 1946.0 0.237 175.3 1947.0 0.225 172.3 1948.0 0.213 168.9 1949.0 0.202 165.1 1950.0 0.191 160.9 1951.0 0.182 156.2 1952.0 0.173 151.0 1953.0 0.166 145.4 1954.0 0.160 139.3 1955.0 0.157 132.8 1956.0 0.155 126.1 1957.0 0.155 119.4 1958.0 0.157 112.6 1959.0 0.160 106.2 1960.0 0.166 100.1 1961.0 0.173 94.4 1962.0 0.181 89.2 1963.0 0.190 84.5 1964.0 0.201 80.3 1965.0 0.212 76.4 1966.0 0.223 73.0 1967.0 0.235 69.9 1968.0 0.247 67.1 1969.0 0.259 64.6 1970.0 0.271 62.3 1971.0 0.284 60.2 1972.0 0.296 58.2 1973.0 0.308 56.5 1974.0 0.320 54.8 1975.0 0.331 53.3 1976.0 0.343 51.9 1977.0 0.353 50.5 1978.0 0.364 49.3 1979.0 0.374 48.1 1980.0 0.384 46.9 1981.0 0.394 45.9 1982.0 0.403 44.9 1983.0 0.411 43.9 1984.0 0.419 42.9 1985.0 0.427 42.0 1986.0 0.434 41.2 1987.0 0.441 40.3 1988.0 0.447 39.5 1989.0 0.453 38.7 1990.0 0.459 37.9 1991.0 0.463 37.1 1992.0 0.468 36.4 1993.0 0.472 35.7 1994.0 0.475 34.9 1995.0 0.478 34.2 1996.0 0.481 33.5 1997.0 0.483 32.8 1998.0 0.485 32.1 1999.0 0.487 31.5 2000.0 0.488 30.8 2001.0 0.488 30.1 2002.0 0.489 29.4 2003.0 0.488 28.7 2004.0 0.488 28.1 2005.0 0.487 27.4 2006.0 0.486 26.7 2007.0 0.485 26.0 2008.0 0.483 25.3 2009.0 0.481 24.6 2010.0 0.479 23.9 2011.0 0.476 23.2 2012.0 0.473 22.5 2013.0 0.470 21.8 2014.0 0.467 21.0 2015.0 0.464 20.3 2016.0 0.460 19.5 2017.0 0.456 18.7 2018.0 0.452 17.9 2019.0 0.448 17.1 2020.0 0.443 16.3 2021.0 0.438 15.5 2022.0 0.434 14.6 2023.0 0.429 13.8 2024.0 0.424 12.9 2025.0 0.419 12.0 2026.0 0.413 11.0 2027.0 0.408 10.1 2028.0 0.403 9.1 2029.0 0.397 8.1 2030.0 0.392 7.0 2031.0 0.386 6.0 2032.0 0.381 4.9 2033.0 0.375 3.7 2034.0 0.369 2.6 2035.0 0.364 1.3 2036.0 0.358 0.1 2037.0 0.353 358.8 2038.0 0.347 357.5 2039.0 0.342 356.1 2040.0 0.336 354.7 2041.0 0.331 353.3 2042.0 0.326 351.8 2043.0 0.321 350.2 2044.0 0.316 348.6 2045.0 0.311 347.0 2046.0 0.306 345.2 2047.0 0.302 343.5 2048.0 0.297 341.7 2049.0 0.293 339.8 2050.0 0.289 337.9 2051.0 0.286 336.0 2052.0 0.282 333.9 2053.0 0.279 331.9 2054.0 0.276 329.8 2055.0 0.274 327.6 2056.0 0.272 325.5 2057.0 0.270 323.3 2058.0 0.268 321.0 2059.0 0.267 318.8 2060.0 0.266 316.5 2061.0 0.265 314.2 2062.0 0.265 311.9 2063.0 0.265 309.6 2064.0 0.266 307.3 2065.0 0.267 305.0 2066.0 0.268 302.7 2067.0 0.270 300.5 2068.0 0.271 298.3 2069.0 0.274 296.1 2070.0 0.276 293.9 2071.0 0.279 291.8 2072.0 0.282 289.8 2073.0 0.286 287.8 2074.0 0.289 285.8 2075.0 0.293 283.9 2076.0 0.298 282.0 2077.0 0.302 280.2 2078.0 0.307 278.5 2079.0 0.312 276.8 2080.0 0.317 275.1 2081.0 0.322 273.6 2082.0 0.327 272.0 2083.0 0.333 270.5 2084.0 0.339 269.1 2085.0 0.344 267.7 2086.0 0.350 266.4 2087.0 0.356 265.1 2088.0 0.362 263.8 2089.0 0.369 262.6 2090.0 0.375 261.4 2091.0 0.381 260.3 2092.0 0.388 259.2 2093.0 0.394 258.1 2094.0 0.401 257.1 2095.0 0.407 256.1 2096.0 0.414 255.2 2097.0 0.421 254.2 2098.0 0.427 253.3 2099.0 0.434 252.4 2100.0 0.441 251.6 2101.0 0.447 250.8 2102.0 0.454 250.0 2103.0 0.461 249.2 2104.0 0.467 248.5 2105.0 0.474 247.7 2106.0 0.480 247.0 2107.0 0.487 246.3 2108.0 0.493 245.6 2109.0 0.500 245.0 2110.0 0.506 244.3 2111.0 0.513 243.7 2112.0 0.519 243.1 2113.0 0.525 242.5 2114.0 0.532 241.9 2115.0 0.538 241.4 2116.0 0.544 240.8 2117.0 0.550 240.3 2118.0 0.556 239.7 2119.0 0.562 239.2 2120.0 0.568 238.7 2121.0 0.573 238.2 2122.0 0.579 237.7 2123.0 0.585 237.3 2124.0 0.590 236.8 2125.0 0.595 236.3 2126.0 0.601 235.9 2127.0 0.606 235.4 2128.0 0.611 235.0 2129.0 0.616 234.6 2130.0 0.621 234.1 2131.0 0.626 233.7 2132.0 0.631 233.3 2133.0 0.635 232.9 2134.0 0.640 232.5 2135.0 0.644 232.1 2136.0 0.649 231.7 2137.0 0.653 231.3 2138.0 0.657 231.0 2139.0 0.661 230.6 2140.0 0.665 230.2 2141.0 0.668 229.9 2142.0 0.672 229.5 2143.0 0.675 229.1 2144.0 0.678 228.8 2145.0 0.682 228.4 2146.0 0.685 228.1 2147.0 0.688 227.7 2148.0 0.690 227.4 2149.0 0.693 227.1 2150.0 0.695 226.7 2151.0 0.698 226.4 2152.0 0.700 226.1 2153.0 0.702 225.7 2154.0 0.704 225.4 2155.0 0.705 225.1 2156.0 0.707 224.7 2157.0 0.708 224.4 2158.0 0.710 224.1 2159.0 0.711 223.8 2160.0 0.711 223.5 2161.0 0.712 223.1 2162.0 0.713 222.8 2163.0 0.713 222.5 2164.0 0.713 222.2 2165.0 0.713 221.9 2166.0 0.713 221.5