| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:19:14 |
| WDS: | ES608AB | WDS ID/Discoverer |
| P: | 322.772 | Orbital period (years) |
| a: | 3.53563 | Semi-major axis (arcseconds) |
| i: | 74.317 | Inclination (degrees) |
| Ω: | 110.117 | Longitude of ascending node (degrees) |
| T: | 1933.943 | Epoch of periastron passage (year) |
| e: | 0.4779 | Eccentricity |
| ω: | 116.016 | Longitude of periastron (degrees) |
| Start-Year: | 1864.0 | Year |
| End-Year: | 2186.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 133751.20+480817.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13379+4808 | WDS designation |
| Discoverer Code: | ES608AB | Discover designation and components |
| ADS number: | 8980 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 66492 | Hipparcos catalog number |
| V1: | 10.28 | Magnitude of the primary |
| V2: | 11.49 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 5 | 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 1.385 350.0 ------------------------- 1864.0 3.841 106.1 1865.0 3.826 106.3 1866.0 3.809 106.5 1867.0 3.792 106.8 1868.0 3.773 107.0 1869.0 3.754 107.2 1870.0 3.733 107.5 1871.0 3.711 107.7 1872.0 3.688 108.0 1873.0 3.664 108.2 1874.0 3.639 108.5 1875.0 3.613 108.7 1876.0 3.585 109.0 1877.0 3.556 109.2 1878.0 3.526 109.5 1879.0 3.495 109.8 1880.0 3.462 110.0 1881.0 3.429 110.3 1882.0 3.393 110.6 1883.0 3.357 110.9 1884.0 3.319 111.2 1885.0 3.279 111.5 1886.0 3.239 111.8 1887.0 3.196 112.1 1888.0 3.152 112.4 1889.0 3.107 112.8 1890.0 3.060 113.1 1891.0 3.012 113.5 1892.0 2.962 113.9 1893.0 2.910 114.2 1894.0 2.856 114.6 1895.0 2.801 115.1 1896.0 2.744 115.5 1897.0 2.686 115.9 1898.0 2.626 116.4 1899.0 2.564 116.9 1900.0 2.500 117.4 1901.0 2.434 118.0 1902.0 2.367 118.5 1903.0 2.297 119.1 1904.0 2.226 119.8 1905.0 2.153 120.5 1906.0 2.078 121.2 1907.0 2.002 122.0 1908.0 1.923 122.9 1909.0 1.843 123.8 1910.0 1.761 124.8 1911.0 1.678 125.9 1912.0 1.593 127.2 1913.0 1.507 128.6 1914.0 1.419 130.1 1915.0 1.331 131.9 1916.0 1.242 133.9 1917.0 1.153 136.2 1918.0 1.063 138.9 1919.0 0.975 142.1 1920.0 0.889 145.9 1921.0 0.806 150.5 1922.0 0.727 156.2 1923.0 0.656 163.1 1924.0 0.595 171.6 1925.0 0.549 181.8 1926.0 0.522 193.5 1927.0 0.516 205.8 1928.0 0.534 217.9 1929.0 0.572 228.9 1930.0 0.626 238.1 1931.0 0.692 245.8 1932.0 0.767 252.1 1933.0 0.847 257.2 1934.0 0.930 261.4 1935.0 1.015 264.9 1936.0 1.101 267.8 1937.0 1.186 270.4 1938.0 1.270 272.6 1939.0 1.353 274.5 1940.0 1.433 276.2 1941.0 1.511 277.7 1942.0 1.587 279.1 1943.0 1.659 280.4 1944.0 1.728 281.5 1945.0 1.794 282.6 1946.0 1.857 283.6 1947.0 1.917 284.5 1948.0 1.973 285.4 1949.0 2.026 286.2 1950.0 2.075 287.0 1951.0 2.121 287.7 1952.0 2.164 288.5 1953.0 2.203 289.2 1954.0 2.240 289.8 1955.0 2.274 290.5 1956.0 2.304 291.1 1957.0 2.332 291.7 1958.0 2.357 292.3 1959.0 2.379 292.9 1960.0 2.399 293.5 1961.0 2.416 294.1 1962.0 2.430 294.6 1963.0 2.443 295.2 1964.0 2.453 295.7 1965.0 2.461 296.3 1966.0 2.467 296.8 1967.0 2.472 297.4 1968.0 2.474 297.9 1969.0 2.474 298.5 1970.0 2.473 299.0 1971.0 2.471 299.5 1972.0 2.466 300.1 1973.0 2.460 300.6 1974.0 2.453 301.2 1975.0 2.445 301.7 1976.0 2.435 302.3 1977.0 2.424 302.8 1978.0 2.412 303.4 1979.0 2.398 304.0 1980.0 2.384 304.6 1981.0 2.369 305.2 1982.0 2.352 305.7 1983.0 2.335 306.3 1984.0 2.317 307.0 1985.0 2.299 307.6 1986.0 2.279 308.2 1987.0 2.259 308.9 1988.0 2.238 309.5 1989.0 2.217 310.2 1990.0 2.195 310.9 1991.0 2.172 311.6 1992.0 2.149 312.3 1993.0 2.126 313.0 1994.0 2.102 313.7 1995.0 2.078 314.5 1996.0 2.053 315.3 1997.0 2.029 316.1 1998.0 2.004 316.9 1999.0 1.978 317.7 2000.0 1.953 318.6 2001.0 1.928 319.4 2002.0 1.902 320.3 2003.0 1.876 321.3 2004.0 1.851 322.2 2005.0 1.825 323.2 2006.0 1.800 324.2 2007.0 1.774 325.2 2008.0 1.749 326.3 2009.0 1.724 327.4 2010.0 1.699 328.5 2011.0 1.674 329.7 2012.0 1.650 330.9 2013.0 1.626 332.1 2014.0 1.603 333.4 2015.0 1.580 334.7 2016.0 1.557 336.1 2017.0 1.535 337.5 2018.0 1.514 338.9 2019.0 1.493 340.3 2020.0 1.473 341.8 2021.0 1.454 343.4 2022.0 1.435 345.0 2023.0 1.418 346.6 2024.0 1.401 348.3 2025.0 1.385 350.0 2026.0 1.370 351.7 2027.0 1.357 353.5 2028.0 1.344 355.3 2029.0 1.332 357.2 2030.0 1.322 359.1 2031.0 1.313 1.0 2032.0 1.305 2.9 2033.0 1.299 4.8 2034.0 1.293 6.8 2035.0 1.289 8.8 2036.0 1.287 10.8 2037.0 1.285 12.8 2038.0 1.286 14.8 2039.0 1.287 16.8 2040.0 1.290 18.8 2041.0 1.294 20.8 2042.0 1.300 22.8 2043.0 1.307 24.7 2044.0 1.315 26.6 2045.0 1.324 28.5 2046.0 1.335 30.4 2047.0 1.347 32.2 2048.0 1.360 34.1 2049.0 1.374 35.8 2050.0 1.389 37.6 2051.0 1.406 39.3 2052.0 1.423 40.9 2053.0 1.442 42.5 2054.0 1.461 44.1 2055.0 1.481 45.6 2056.0 1.502 47.1 2057.0 1.524 48.6 2058.0 1.546 50.0 2059.0 1.569 51.3 2060.0 1.593 52.7 2061.0 1.617 53.9 2062.0 1.642 55.2 2063.0 1.668 56.4 2064.0 1.694 57.6 2065.0 1.721 58.7 2066.0 1.748 59.8 2067.0 1.775 60.9 2068.0 1.803 61.9 2069.0 1.831 62.9 2070.0 1.859 63.9 2071.0 1.888 64.8 2072.0 1.917 65.7 2073.0 1.946 66.6 2074.0 1.976 67.5 2075.0 2.005 68.3 2076.0 2.035 69.1 2077.0 2.065 69.9 2078.0 2.095 70.7 2079.0 2.125 71.4 2080.0 2.155 72.2 2081.0 2.186 72.9 2082.0 2.216 73.5 2083.0 2.247 74.2 2084.0 2.277 74.9 2085.0 2.308 75.5 2086.0 2.338 76.1 2087.0 2.368 76.7 2088.0 2.399 77.3 2089.0 2.429 77.8 2090.0 2.460 78.4 2091.0 2.490 78.9 2092.0 2.520 79.5 2093.0 2.550 80.0 2094.0 2.580 80.5 2095.0 2.610 81.0 2096.0 2.640 81.5 2097.0 2.670 81.9 2098.0 2.699 82.4 2099.0 2.728 82.8 2100.0 2.758 83.3 2101.0 2.787 83.7 2102.0 2.816 84.1 2103.0 2.844 84.5 2104.0 2.873 84.9 2105.0 2.901 85.3 2106.0 2.929 85.7 2107.0 2.957 86.1 2108.0 2.985 86.5 2109.0 3.012 86.9 2110.0 3.039 87.2 2111.0 3.066 87.6 2112.0 3.093 87.9 2113.0 3.120 88.3 2114.0 3.146 88.6 2115.0 3.172 88.9 2116.0 3.197 89.3 2117.0 3.223 89.6 2118.0 3.248 89.9 2119.0 3.272 90.2 2120.0 3.297 90.5 2121.0 3.321 90.8 2122.0 3.345 91.1 2123.0 3.368 91.4 2124.0 3.391 91.7 2125.0 3.414 92.0 2126.0 3.437 92.3 2127.0 3.459 92.6 2128.0 3.480 92.8 2129.0 3.502 93.1 2130.0 3.523 93.4 2131.0 3.543 93.6 2132.0 3.564 93.9 2133.0 3.583 94.2 2134.0 3.603 94.4 2135.0 3.622 94.7 2136.0 3.640 94.9 2137.0 3.659 95.2 2138.0 3.676 95.4 2139.0 3.694 95.7 2140.0 3.710 95.9 2141.0 3.727 96.1 2142.0 3.743 96.4 2143.0 3.758 96.6 2144.0 3.773 96.8 2145.0 3.788 97.1 2146.0 3.802 97.3 2147.0 3.815 97.5 2148.0 3.828 97.8 2149.0 3.841 98.0 2150.0 3.853 98.2 2151.0 3.864 98.4 2152.0 3.875 98.6 2153.0 3.885 98.9 2154.0 3.895 99.1 2155.0 3.904 99.3 2156.0 3.913 99.5 2157.0 3.921 99.7 2158.0 3.929 100.0 2159.0 3.936 100.2 2160.0 3.942 100.4 2161.0 3.947 100.6 2162.0 3.952 100.8 2163.0 3.957 101.0 2164.0 3.960 101.2 2165.0 3.964 101.4 2166.0 3.966 101.7 2167.0 3.968 101.9 2168.0 3.969 102.1 2169.0 3.969 102.3 2170.0 3.968 102.5 2171.0 3.967 102.7 2172.0 3.965 102.9 2173.0 3.963 103.1 2174.0 3.959 103.3 2175.0 3.955 103.5 2176.0 3.950 103.8 2177.0 3.944 104.0 2178.0 3.937 104.2 2179.0 3.930 104.4 2180.0 3.921 104.6 2181.0 3.912 104.8 2182.0 3.902 105.0 2183.0 3.891 105.3 2184.0 3.879 105.5 2185.0 3.866 105.7