| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:33:35 |
| WDS: | ESG1 | WDS ID/Discoverer |
| P: | 341.500 | Orbital period (years) |
| a: | 4.393 | Semi-major axis (arcseconds) |
| i: | 125.4 | Inclination (degrees) |
| Ω: | 79.6 | Longitude of ascending node (degrees) |
| T: | 2000.500 | Epoch of periastron passage (year) |
| e: | 0.49 | Eccentricity |
| ω: | 306.4 | Longitude of periastron (degrees) |
| Start-Year: | 1855.0 | Year |
| End-Year: | 2195.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 021025.98-504925.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02104-5049 | WDS designation |
| Discoverer Code: | ESG1 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 13445 | HD catalog number |
| Hipparcos number: | 10138 | Hipparcos catalog number |
| V1: | 6.17 | Magnitude of the primary |
| V2: | 13.2 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | 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 2.801 68.7 ------------------------- 1855.0 5.352 288.0 1856.0 5.364 287.6 1857.0 5.376 287.3 1858.0 5.387 286.9 1859.0 5.398 286.6 1860.0 5.409 286.2 1861.0 5.419 285.9 1862.0 5.429 285.5 1863.0 5.438 285.2 1864.0 5.447 284.8 1865.0 5.456 284.5 1866.0 5.464 284.1 1867.0 5.471 283.8 1868.0 5.479 283.5 1869.0 5.485 283.1 1870.0 5.492 282.8 1871.0 5.498 282.4 1872.0 5.503 282.1 1873.0 5.508 281.8 1874.0 5.513 281.4 1875.0 5.517 281.1 1876.0 5.521 280.7 1877.0 5.524 280.4 1878.0 5.527 280.1 1879.0 5.529 279.7 1880.0 5.531 279.4 1881.0 5.532 279.1 1882.0 5.533 278.7 1883.0 5.533 278.4 1884.0 5.533 278.1 1885.0 5.532 277.7 1886.0 5.530 277.4 1887.0 5.529 277.1 1888.0 5.526 276.7 1889.0 5.523 276.4 1890.0 5.520 276.0 1891.0 5.515 275.7 1892.0 5.511 275.4 1893.0 5.505 275.0 1894.0 5.500 274.7 1895.0 5.493 274.3 1896.0 5.486 274.0 1897.0 5.479 273.7 1898.0 5.470 273.3 1899.0 5.461 273.0 1900.0 5.452 272.6 1901.0 5.442 272.3 1902.0 5.431 271.9 1903.0 5.419 271.6 1904.0 5.407 271.2 1905.0 5.395 270.9 1906.0 5.381 270.5 1907.0 5.367 270.2 1908.0 5.352 269.8 1909.0 5.337 269.5 1910.0 5.320 269.1 1911.0 5.303 268.7 1912.0 5.286 268.4 1913.0 5.267 268.0 1914.0 5.248 267.6 1915.0 5.228 267.3 1916.0 5.207 266.9 1917.0 5.186 266.5 1918.0 5.163 266.1 1919.0 5.140 265.7 1920.0 5.116 265.3 1921.0 5.091 264.9 1922.0 5.066 264.5 1923.0 5.039 264.1 1924.0 5.012 263.7 1925.0 4.984 263.3 1926.0 4.955 262.9 1927.0 4.925 262.5 1928.0 4.894 262.1 1929.0 4.862 261.6 1930.0 4.830 261.2 1931.0 4.796 260.7 1932.0 4.761 260.3 1933.0 4.726 259.8 1934.0 4.689 259.4 1935.0 4.652 258.9 1936.0 4.613 258.4 1937.0 4.574 257.9 1938.0 4.533 257.4 1939.0 4.491 256.9 1940.0 4.449 256.4 1941.0 4.405 255.9 1942.0 4.360 255.4 1943.0 4.314 254.8 1944.0 4.267 254.3 1945.0 4.219 253.7 1946.0 4.169 253.1 1947.0 4.119 252.5 1948.0 4.067 251.9 1949.0 4.014 251.3 1950.0 3.960 250.6 1951.0 3.905 250.0 1952.0 3.849 249.3 1953.0 3.791 248.6 1954.0 3.733 247.8 1955.0 3.673 247.1 1956.0 3.611 246.3 1957.0 3.549 245.5 1958.0 3.485 244.7 1959.0 3.421 243.8 1960.0 3.355 242.9 1961.0 3.287 242.0 1962.0 3.219 241.0 1963.0 3.149 240.0 1964.0 3.079 239.0 1965.0 3.007 237.8 1966.0 2.934 236.7 1967.0 2.861 235.5 1968.0 2.786 234.2 1969.0 2.711 232.8 1970.0 2.635 231.4 1971.0 2.558 229.8 1972.0 2.480 228.2 1973.0 2.403 226.5 1974.0 2.325 224.7 1975.0 2.247 222.7 1976.0 2.170 220.6 1977.0 2.093 218.3 1978.0 2.017 215.9 1979.0 1.943 213.3 1980.0 1.870 210.4 1981.0 1.799 207.4 1982.0 1.732 204.1 1983.0 1.667 200.5 1984.0 1.608 196.7 1985.0 1.553 192.6 1986.0 1.504 188.2 1987.0 1.462 183.5 1988.0 1.427 178.6 1989.0 1.400 173.4 1990.0 1.383 168.1 1991.0 1.374 162.7 1992.0 1.375 157.3 1993.0 1.386 151.9 1994.0 1.405 146.6 1995.0 1.432 141.5 1996.0 1.467 136.6 1997.0 1.508 131.9 1998.0 1.555 127.5 1999.0 1.607 123.4 2000.0 1.662 119.6 2001.0 1.720 116.0 2002.0 1.780 112.6 2003.0 1.841 109.5 2004.0 1.903 106.6 2005.0 1.965 103.8 2006.0 2.026 101.2 2007.0 2.086 98.8 2008.0 2.144 96.5 2009.0 2.201 94.3 2010.0 2.256 92.3 2011.0 2.309 90.3 2012.0 2.360 88.4 2013.0 2.408 86.6 2014.0 2.454 84.9 2015.0 2.497 83.2 2016.0 2.538 81.6 2017.0 2.577 80.0 2018.0 2.613 78.5 2019.0 2.646 77.0 2020.0 2.678 75.5 2021.0 2.706 74.1 2022.0 2.733 72.7 2023.0 2.758 71.4 2024.0 2.781 70.0 2025.0 2.801 68.7 2026.0 2.820 67.4 2027.0 2.837 66.1 2028.0 2.853 64.9 2029.0 2.867 63.6 2030.0 2.879 62.4 2031.0 2.890 61.1 2032.0 2.900 59.9 2033.0 2.909 58.7 2034.0 2.916 57.5 2035.0 2.923 56.3 2036.0 2.928 55.1 2037.0 2.933 53.9 2038.0 2.937 52.7 2039.0 2.940 51.5 2040.0 2.942 50.3 2041.0 2.944 49.1 2042.0 2.946 47.9 2043.0 2.946 46.7 2044.0 2.947 45.6 2045.0 2.947 44.4 2046.0 2.947 43.2 2047.0 2.946 42.0 2048.0 2.946 40.8 2049.0 2.945 39.6 2050.0 2.944 38.5 2051.0 2.943 37.3 2052.0 2.943 36.1 2053.0 2.942 34.9 2054.0 2.941 33.7 2055.0 2.940 32.5 2056.0 2.940 31.3 2057.0 2.939 30.1 2058.0 2.939 29.0 2059.0 2.939 27.8 2060.0 2.940 26.6 2061.0 2.940 25.4 2062.0 2.941 24.2 2063.0 2.943 23.0 2064.0 2.944 21.8 2065.0 2.946 20.6 2066.0 2.949 19.5 2067.0 2.952 18.3 2068.0 2.955 17.1 2069.0 2.959 15.9 2070.0 2.963 14.8 2071.0 2.968 13.6 2072.0 2.973 12.4 2073.0 2.978 11.3 2074.0 2.984 10.1 2075.0 2.991 9.0 2076.0 2.998 7.8 2077.0 3.006 6.7 2078.0 3.014 5.5 2079.0 3.022 4.4 2080.0 3.032 3.3 2081.0 3.041 2.2 2082.0 3.051 1.1 2083.0 3.062 360.0 2084.0 3.073 358.9 2085.0 3.085 357.8 2086.0 3.097 356.7 2087.0 3.110 355.7 2088.0 3.123 354.6 2089.0 3.136 353.5 2090.0 3.151 352.5 2091.0 3.165 351.5 2092.0 3.180 350.5 2093.0 3.196 349.4 2094.0 3.211 348.4 2095.0 3.228 347.5 2096.0 3.245 346.5 2097.0 3.262 345.5 2098.0 3.279 344.5 2099.0 3.297 343.6 2100.0 3.316 342.7 2101.0 3.334 341.7 2102.0 3.353 340.8 2103.0 3.373 339.9 2104.0 3.392 339.0 2105.0 3.412 338.1 2106.0 3.433 337.2 2107.0 3.453 336.4 2108.0 3.474 335.5 2109.0 3.496 334.7 2110.0 3.517 333.8 2111.0 3.539 333.0 2112.0 3.561 332.2 2113.0 3.583 331.4 2114.0 3.606 330.6 2115.0 3.628 329.8 2116.0 3.651 329.0 2117.0 3.674 328.3 2118.0 3.697 327.5 2119.0 3.721 326.8 2120.0 3.744 326.0 2121.0 3.768 325.3 2122.0 3.791 324.6 2123.0 3.815 323.9 2124.0 3.839 323.2 2125.0 3.863 322.5 2126.0 3.888 321.8 2127.0 3.912 321.1 2128.0 3.936 320.4 2129.0 3.961 319.8 2130.0 3.985 319.1 2131.0 4.010 318.5 2132.0 4.034 317.9 2133.0 4.059 317.2 2134.0 4.083 316.6 2135.0 4.108 316.0 2136.0 4.133 315.4 2137.0 4.157 314.8 2138.0 4.182 314.2 2139.0 4.206 313.6 2140.0 4.231 313.0 2141.0 4.255 312.5 2142.0 4.280 311.9 2143.0 4.304 311.3 2144.0 4.328 310.8 2145.0 4.352 310.2 2146.0 4.377 309.7 2147.0 4.401 309.2 2148.0 4.425 308.6 2149.0 4.448 308.1 2150.0 4.472 307.6 2151.0 4.496 307.1 2152.0 4.519 306.6 2153.0 4.543 306.1 2154.0 4.566 305.6 2155.0 4.589 305.1 2156.0 4.612 304.6 2157.0 4.635 304.1 2158.0 4.657 303.7 2159.0 4.680 303.2 2160.0 4.702 302.7 2161.0 4.724 302.3 2162.0 4.746 301.8 2163.0 4.768 301.4 2164.0 4.790 300.9 2165.0 4.811 300.5 2166.0 4.832 300.0 2167.0 4.853 299.6 2168.0 4.874 299.1 2169.0 4.894 298.7 2170.0 4.915 298.3 2171.0 4.935 297.9 2172.0 4.955 297.4 2173.0 4.974 297.0 2174.0 4.994 296.6 2175.0 5.013 296.2 2176.0 5.031 295.8 2177.0 5.050 295.4 2178.0 5.068 295.0 2179.0 5.086 294.6 2180.0 5.104 294.2 2181.0 5.122 293.8 2182.0 5.139 293.4 2183.0 5.156 293.0 2184.0 5.172 292.6 2185.0 5.188 292.3 2186.0 5.204 291.9 2187.0 5.220 291.5 2188.0 5.235 291.1 2189.0 5.250 290.7 2190.0 5.265 290.4 2191.0 5.279 290.0 2192.0 5.293 289.6 2193.0 5.307 289.3 2194.0 5.320 288.9