| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:29:05 |
| WDS: | A2731AB | WDS ID/Discoverer |
| P: | 247.168 | Orbital period (years) |
| a: | 0.83911 | Semi-major axis (arcseconds) |
| i: | 28.959 | Inclination (degrees) |
| Ω: | 100.965 | Longitude of ascending node (degrees) |
| T: | 1936.959 | Epoch of periastron passage (year) |
| e: | 0.85733 | Eccentricity |
| ω: | 152.292 | Longitude of periastron (degrees) |
| Start-Year: | 1902.0 | Year |
| End-Year: | 2148.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 064839.38+073720.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 06487+0737 | WDS designation |
| Discoverer Code: | A2731AB | Discover designation and components |
| ADS number: | 5469 | Aitken Double Star catalog |
| HD number: | 49409 | HD catalog number |
| Hipparcos number: | 32650 | Hipparcos catalog number |
| V1: | 8.24 | Magnitude of the primary |
| V2: | 9.53 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 1.412 68.8 ------------------------- 1902.0 0.956 99.9 1903.0 0.940 100.4 1904.0 0.924 100.9 1905.0 0.907 101.5 1906.0 0.890 102.0 1907.0 0.873 102.6 1908.0 0.855 103.3 1909.0 0.837 103.9 1910.0 0.818 104.6 1911.0 0.799 105.3 1912.0 0.779 106.0 1913.0 0.759 106.8 1914.0 0.739 107.6 1915.0 0.717 108.5 1916.0 0.696 109.4 1917.0 0.673 110.4 1918.0 0.651 111.5 1919.0 0.627 112.6 1920.0 0.603 113.8 1921.0 0.578 115.1 1922.0 0.552 116.6 1923.0 0.525 118.2 1924.0 0.498 119.9 1925.0 0.470 121.9 1926.0 0.440 124.2 1927.0 0.410 126.7 1928.0 0.378 129.7 1929.0 0.345 133.2 1930.0 0.311 137.5 1931.0 0.276 142.9 1932.0 0.239 149.9 1933.0 0.203 159.4 1934.0 0.167 173.1 1935.0 0.136 193.6 1936.0 0.117 223.1 1937.0 0.117 257.7 1938.0 0.131 288.2 1939.0 0.152 311.5 1940.0 0.177 328.7 1941.0 0.205 341.5 1942.0 0.233 351.2 1943.0 0.261 358.8 1944.0 0.289 4.9 1945.0 0.317 9.9 1946.0 0.345 14.2 1947.0 0.371 17.8 1948.0 0.398 20.9 1949.0 0.423 23.6 1950.0 0.448 26.1 1951.0 0.473 28.3 1952.0 0.496 30.2 1953.0 0.520 32.0 1954.0 0.543 33.6 1955.0 0.565 35.2 1956.0 0.587 36.5 1957.0 0.608 37.8 1958.0 0.629 39.0 1959.0 0.649 40.2 1960.0 0.669 41.2 1961.0 0.689 42.2 1962.0 0.708 43.2 1963.0 0.727 44.1 1964.0 0.745 44.9 1965.0 0.763 45.8 1966.0 0.781 46.5 1967.0 0.799 47.3 1968.0 0.816 48.0 1969.0 0.832 48.7 1970.0 0.849 49.3 1971.0 0.865 49.9 1972.0 0.881 50.5 1973.0 0.896 51.1 1974.0 0.912 51.7 1975.0 0.927 52.2 1976.0 0.941 52.8 1977.0 0.956 53.3 1978.0 0.970 53.8 1979.0 0.984 54.3 1980.0 0.998 54.7 1981.0 1.011 55.2 1982.0 1.025 55.6 1983.0 1.038 56.1 1984.0 1.050 56.5 1985.0 1.063 56.9 1986.0 1.075 57.3 1987.0 1.087 57.7 1988.0 1.099 58.1 1989.0 1.111 58.5 1990.0 1.122 58.8 1991.0 1.134 59.2 1992.0 1.145 59.6 1993.0 1.156 59.9 1994.0 1.166 60.3 1995.0 1.177 60.6 1996.0 1.187 60.9 1997.0 1.197 61.2 1998.0 1.207 61.6 1999.0 1.217 61.9 2000.0 1.227 62.2 2001.0 1.236 62.5 2002.0 1.245 62.8 2003.0 1.254 63.1 2004.0 1.263 63.4 2005.0 1.272 63.7 2006.0 1.280 64.0 2007.0 1.289 64.2 2008.0 1.297 64.5 2009.0 1.305 64.8 2010.0 1.313 65.1 2011.0 1.320 65.3 2012.0 1.328 65.6 2013.0 1.335 65.8 2014.0 1.343 66.1 2015.0 1.350 66.4 2016.0 1.356 66.6 2017.0 1.363 66.9 2018.0 1.370 67.1 2019.0 1.376 67.4 2020.0 1.383 67.6 2021.0 1.389 67.8 2022.0 1.395 68.1 2023.0 1.401 68.3 2024.0 1.406 68.5 2025.0 1.412 68.8 2026.0 1.417 69.0 2027.0 1.423 69.2 2028.0 1.428 69.5 2029.0 1.433 69.7 2030.0 1.437 69.9 2031.0 1.442 70.1 2032.0 1.447 70.4 2033.0 1.451 70.6 2034.0 1.455 70.8 2035.0 1.459 71.0 2036.0 1.463 71.2 2037.0 1.467 71.4 2038.0 1.471 71.7 2039.0 1.475 71.9 2040.0 1.478 72.1 2041.0 1.481 72.3 2042.0 1.484 72.5 2043.0 1.488 72.7 2044.0 1.490 72.9 2045.0 1.493 73.1 2046.0 1.496 73.3 2047.0 1.498 73.5 2048.0 1.501 73.7 2049.0 1.503 74.0 2050.0 1.505 74.2 2051.0 1.507 74.4 2052.0 1.509 74.6 2053.0 1.510 74.8 2054.0 1.512 75.0 2055.0 1.513 75.2 2056.0 1.514 75.4 2057.0 1.516 75.6 2058.0 1.517 75.8 2059.0 1.517 76.0 2060.0 1.518 76.2 2061.0 1.519 76.4 2062.0 1.519 76.6 2063.0 1.520 76.8 2064.0 1.520 77.0 2065.0 1.520 77.2 2066.0 1.520 77.4 2067.0 1.519 77.6 2068.0 1.519 77.8 2069.0 1.519 78.0 2070.0 1.518 78.2 2071.0 1.517 78.4 2072.0 1.516 78.6 2073.0 1.515 78.8 2074.0 1.514 79.0 2075.0 1.513 79.2 2076.0 1.511 79.4 2077.0 1.510 79.6 2078.0 1.508 79.8 2079.0 1.506 80.0 2080.0 1.504 80.2 2081.0 1.502 80.4 2082.0 1.500 80.6 2083.0 1.497 80.8 2084.0 1.495 81.0 2085.0 1.492 81.2 2086.0 1.489 81.4 2087.0 1.486 81.6 2088.0 1.483 81.9 2089.0 1.480 82.1 2090.0 1.476 82.3 2091.0 1.473 82.5 2092.0 1.469 82.7 2093.0 1.465 82.9 2094.0 1.461 83.1 2095.0 1.457 83.3 2096.0 1.453 83.6 2097.0 1.448 83.8 2098.0 1.443 84.0 2099.0 1.439 84.2 2100.0 1.434 84.5 2101.0 1.429 84.7 2102.0 1.423 84.9 2103.0 1.418 85.1 2104.0 1.412 85.4 2105.0 1.407 85.6 2106.0 1.401 85.8 2107.0 1.395 86.1 2108.0 1.388 86.3 2109.0 1.382 86.5 2110.0 1.375 86.8 2111.0 1.369 87.0 2112.0 1.362 87.3 2113.0 1.355 87.5 2114.0 1.347 87.8 2115.0 1.340 88.0 2116.0 1.332 88.3 2117.0 1.324 88.6 2118.0 1.316 88.8 2119.0 1.308 89.1 2120.0 1.300 89.4 2121.0 1.291 89.6 2122.0 1.283 89.9 2123.0 1.274 90.2 2124.0 1.264 90.5 2125.0 1.255 90.8 2126.0 1.245 91.1 2127.0 1.236 91.4 2128.0 1.226 91.7 2129.0 1.215 92.0 2130.0 1.205 92.3 2131.0 1.194 92.6 2132.0 1.183 93.0 2133.0 1.172 93.3 2134.0 1.161 93.6 2135.0 1.149 94.0 2136.0 1.138 94.3 2137.0 1.126 94.7 2138.0 1.113 95.1 2139.0 1.101 95.4 2140.0 1.088 95.8 2141.0 1.075 96.2 2142.0 1.061 96.6 2143.0 1.048 97.0 2144.0 1.034 97.5 2145.0 1.019 97.9 2146.0 1.005 98.4 2147.0 0.990 98.8