| WDS: | HDO284AB | WDS ID/Discoverer |
| P: | 324.800 | Orbital period (years) |
| a: | 1.522 | Semi-major axis (arcseconds) |
| i: | 15.9 | Inclination (degrees) |
| Ω: | 62.6 | Longitude of ascending node (degrees) |
| T: | 2110.090 | Epoch of periastron passage (year) |
| e: | 0.628 | Eccentricity |
| ω: | 5.0 | Longitude of periastron (degrees) |
| Start-Year: | 1862.6 | Year |
| End-Year: | 2187.4 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HDO284AB |
||
| Position: | 181234.05-734020.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18126-7340 | WDS designation |
| Discoverer Code: | HDO284AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 165259 | HD catalog number |
| Hipparcos number: | 89234 | Hipparcos catalog number |
| V1: | 5.96 | Magnitude of the primary |
| V2: | 9.14 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Lin2016b | 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 2.016 275.74 -------------------------- 1862.60 1.949 216.20 1863.60 1.962 216.70 1864.60 1.975 217.20 1865.60 1.988 217.69 1866.60 2.000 218.17 1867.60 2.012 218.65 1868.60 2.025 219.12 1869.60 2.036 219.58 1870.60 2.048 220.05 1871.60 2.060 220.50 1872.60 2.071 220.95 1873.60 2.082 221.40 1874.60 2.094 221.84 1875.60 2.104 222.27 1876.60 2.115 222.71 1877.60 2.126 223.13 1878.60 2.136 223.56 1879.60 2.146 223.97 1880.60 2.156 224.39 1881.60 2.166 224.80 1882.60 2.176 225.21 1883.60 2.185 225.61 1884.60 2.195 226.01 1885.60 2.204 226.41 1886.60 2.213 226.81 1887.60 2.222 227.20 1888.60 2.231 227.58 1889.60 2.239 227.97 1890.60 2.248 228.35 1891.60 2.256 228.73 1892.60 2.264 229.11 1893.60 2.272 229.48 1894.60 2.280 229.85 1895.60 2.287 230.22 1896.60 2.295 230.58 1897.60 2.302 230.95 1898.60 2.309 231.31 1899.60 2.316 231.67 1900.60 2.323 232.03 1901.60 2.330 232.38 1902.60 2.336 232.73 1903.60 2.342 233.09 1904.60 2.349 233.44 1905.60 2.355 233.78 1906.60 2.361 234.13 1907.60 2.366 234.47 1908.60 2.372 234.82 1909.60 2.377 235.16 1910.60 2.383 235.50 1911.60 2.388 235.83 1912.60 2.393 236.17 1913.60 2.398 236.50 1914.60 2.402 236.84 1915.60 2.407 237.17 1916.60 2.411 237.50 1917.60 2.416 237.83 1918.60 2.420 238.16 1919.60 2.424 238.49 1920.60 2.428 238.81 1921.60 2.431 239.14 1922.60 2.435 239.46 1923.60 2.438 239.79 1924.60 2.442 240.11 1925.60 2.445 240.43 1926.60 2.448 240.75 1927.60 2.450 241.07 1928.60 2.453 241.39 1929.60 2.456 241.71 1930.60 2.458 242.03 1931.60 2.460 242.35 1932.60 2.462 242.67 1933.60 2.464 242.98 1934.60 2.466 243.30 1935.60 2.468 243.61 1936.60 2.469 243.93 1937.60 2.471 244.24 1938.60 2.472 244.56 1939.60 2.473 244.87 1940.60 2.474 245.19 1941.60 2.475 245.50 1942.60 2.476 245.82 1943.60 2.476 246.13 1944.60 2.477 246.44 1945.60 2.477 246.76 1946.60 2.477 247.07 1947.60 2.477 247.38 1948.60 2.477 247.69 1949.60 2.477 248.01 1950.60 2.476 248.32 1951.60 2.476 248.63 1952.60 2.475 248.95 1953.60 2.474 249.26 1954.60 2.473 249.58 1955.60 2.472 249.89 1956.60 2.471 250.21 1957.60 2.469 250.52 1958.60 2.468 250.84 1959.60 2.466 251.15 1960.60 2.464 251.47 1961.60 2.462 251.78 1962.60 2.460 252.10 1963.60 2.458 252.42 1964.60 2.455 252.74 1965.60 2.453 253.06 1966.60 2.450 253.38 1967.60 2.447 253.70 1968.60 2.444 254.02 1969.60 2.441 254.34 1970.60 2.438 254.66 1971.60 2.435 254.99 1972.60 2.431 255.31 1973.60 2.427 255.64 1974.60 2.423 255.96 1975.60 2.419 256.29 1976.60 2.415 256.62 1977.60 2.411 256.95 1978.60 2.407 257.28 1979.60 2.402 257.61 1980.60 2.397 257.95 1981.60 2.393 258.28 1982.60 2.388 258.62 1983.60 2.382 258.96 1984.60 2.377 259.30 1985.60 2.372 259.64 1986.60 2.366 259.98 1987.60 2.360 260.32 1988.60 2.354 260.67 1989.60 2.348 261.02 1990.60 2.342 261.37 1991.60 2.336 261.72 1992.60 2.329 262.07 1993.60 2.323 262.43 1994.60 2.316 262.78 1995.60 2.309 263.14 1996.60 2.302 263.50 1997.60 2.295 263.87 1998.60 2.287 264.23 1999.60 2.280 264.60 2000.60 2.272 264.97 2001.60 2.264 265.35 2002.60 2.256 265.72 2003.60 2.248 266.10 2004.60 2.240 266.48 2005.60 2.231 266.87 2006.60 2.223 267.26 2007.60 2.214 267.65 2008.60 2.205 268.04 2009.60 2.196 268.44 2010.60 2.186 268.84 2011.60 2.177 269.24 2012.60 2.167 269.65 2013.60 2.158 270.06 2014.60 2.148 270.47 2015.60 2.138 270.89 2016.60 2.127 271.31 2017.60 2.117 271.74 2018.60 2.106 272.17 2019.60 2.095 272.61 2020.60 2.085 273.05 2021.60 2.073 273.49 2022.60 2.062 273.94 2023.60 2.051 274.40 2024.60 2.039 274.86 2025.60 2.027 275.32 2026.60 2.015 275.79 2027.60 2.003 276.27 2028.60 1.991 276.75 2029.60 1.978 277.24 2030.60 1.966 277.73 2031.60 1.953 278.23 2032.60 1.940 278.74 2033.60 1.926 279.25 2034.60 1.913 279.77 2035.60 1.899 280.30 2036.60 1.886 280.84 2037.60 1.872 281.38 2038.60 1.857 281.94 2039.60 1.843 282.50 2040.60 1.829 283.07 2041.60 1.814 283.65 2042.60 1.799 284.24 2043.60 1.784 284.84 2044.60 1.769 285.44 2045.60 1.753 286.06 2046.60 1.737 286.70 2047.60 1.721 287.34 2048.60 1.705 287.99 2049.60 1.689 288.66 2050.60 1.673 289.34 2051.60 1.656 290.03 2052.60 1.639 290.74 2053.60 1.622 291.46 2054.60 1.604 292.20 2055.60 1.587 292.96 2056.60 1.569 293.73 2057.60 1.551 294.52 2058.60 1.533 295.33 2059.60 1.515 296.15 2060.60 1.496 297.00 2061.60 1.477 297.87 2062.60 1.459 298.76 2063.60 1.439 299.68 2064.60 1.420 300.62 2065.60 1.400 301.59 2066.60 1.381 302.58 2067.60 1.360 303.60 2068.60 1.340 304.66 2069.60 1.320 305.74 2070.60 1.299 306.86 2071.60 1.278 308.02 2072.60 1.257 309.22 2073.60 1.236 310.45 2074.60 1.215 311.73 2075.60 1.193 313.06 2076.60 1.171 314.43 2077.60 1.150 315.86 2078.60 1.127 317.34 2079.60 1.105 318.88 2080.60 1.083 320.49 2081.60 1.060 322.16 2082.60 1.038 323.91 2083.60 1.015 325.73 2084.60 0.993 327.64 2085.60 0.970 329.64 2086.60 0.947 331.73 2087.60 0.924 333.92 2088.60 0.902 336.23 2089.60 0.879 338.65 2090.60 0.856 341.21 2091.60 0.834 343.90 2092.60 0.812 346.73 2093.60 0.790 349.73 2094.60 0.769 352.89 2095.60 0.748 356.23 2096.60 0.728 359.76 2097.60 0.708 3.49 2098.60 0.689 7.43 2099.60 0.671 11.59 2100.60 0.654 15.97 2101.60 0.638 20.57 2102.60 0.623 25.41 2103.60 0.610 30.46 2104.60 0.598 35.73 2105.60 0.588 41.19 2106.60 0.580 46.83 2107.60 0.573 52.61 2108.60 0.569 58.51 2109.60 0.566 64.47 2110.60 0.566 70.47 2111.60 0.568 76.45 2112.60 0.572 82.38 2113.60 0.577 88.20 2114.60 0.585 93.89 2115.60 0.595 99.41 2116.60 0.606 104.74 2117.60 0.619 109.86 2118.60 0.634 114.76 2119.60 0.650 119.42 2120.60 0.667 123.85 2121.60 0.685 128.06 2122.60 0.705 132.03 2123.60 0.725 135.80 2124.60 0.745 139.35 2125.60 0.767 142.72 2126.60 0.789 145.90 2127.60 0.811 148.90 2128.60 0.833 151.74 2129.60 0.856 154.44 2130.60 0.879 156.99 2131.60 0.902 159.41 2132.60 0.926 161.71 2133.60 0.949 163.90 2134.60 0.972 165.99 2135.60 0.995 167.97 2136.60 1.019 169.87 2137.60 1.042 171.68 2138.60 1.065 173.41 2139.60 1.088 175.07 2140.60 1.110 176.66 2141.60 1.133 178.19 2142.60 1.155 179.66 2143.60 1.178 181.07 2144.60 1.200 182.43 2145.60 1.222 183.74 2146.60 1.243 185.01 2147.60 1.265 186.23 2148.60 1.286 187.41 2149.60 1.307 188.55 2150.60 1.328 189.66 2151.60 1.349 190.73 2152.60 1.369 191.77 2153.60 1.390 192.78 2154.60 1.410 193.76 2155.60 1.430 194.71 2156.60 1.449 195.64 2157.60 1.469 196.54 2158.60 1.488 197.42 2159.60 1.507 198.28 2160.60 1.525 199.12 2161.60 1.544 199.93 2162.60 1.562 200.73 2163.60 1.580 201.51 2164.60 1.598 202.27 2165.60 1.616 203.01 2166.60 1.633 203.74 2167.60 1.650 204.45 2168.60 1.667 205.15 2169.60 1.684 205.84 2170.60 1.701 206.51 2171.60 1.717 207.17 2172.60 1.733 207.81 2173.60 1.749 208.45 2174.60 1.765 209.07 2175.60 1.781 209.68 2176.60 1.796 210.28 2177.60 1.811 210.87 2178.60 1.826 211.45 2179.60 1.841 212.02 2180.60 1.855 212.59 2181.60 1.870 213.14 2182.60 1.884 213.69 2183.60 1.898 214.22 2184.60 1.911 214.75 2185.60 1.925 215.28 2186.60 1.938 215.79
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:49:12 |