| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:07:55 |
| WDS: | HU731 | WDS ID/Discoverer |
| P: | 207.770 | Orbital period (years) |
| a: | 1.179 | Semi-major axis (arcseconds) |
| i: | 96.6 | Inclination (degrees) |
| Ω: | 118.7 | Longitude of ascending node (degrees) |
| T: | 1900.830 | Epoch of periastron passage (year) |
| e: | 0.705 | Eccentricity |
| ω: | 301.1 | Longitude of periastron (degrees) |
| Start-Year: | 1922.0 | Year |
| End-Year: | 2128.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 115157.86+480519.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11520+4805 | WDS designation |
| Discoverer Code: | HU731 | Discover designation and components |
| ADS number: | 8325 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 57859 | Hipparcos catalog number |
| V1: | 9.81 | Magnitude of the primary |
| V2: | 9.68 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2003 | Date of last observation |
| Orbit grade: | 5 | 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 1.265 306.5 ------------------------- 1922.0 0.426 104.9 1923.0 0.412 103.8 1924.0 0.398 102.6 1925.0 0.383 101.3 1926.0 0.368 99.9 1927.0 0.353 98.4 1928.0 0.338 96.8 1929.0 0.322 95.0 1930.0 0.307 93.0 1931.0 0.292 90.8 1932.0 0.277 88.4 1933.0 0.262 85.7 1934.0 0.248 82.6 1935.0 0.235 79.3 1936.0 0.222 75.5 1937.0 0.210 71.3 1938.0 0.200 66.6 1939.0 0.190 61.4 1940.0 0.182 55.8 1941.0 0.177 49.7 1942.0 0.173 43.2 1943.0 0.171 36.6 1944.0 0.172 29.9 1945.0 0.174 23.3 1946.0 0.179 17.0 1947.0 0.186 11.1 1948.0 0.195 5.7 1949.0 0.205 0.8 1950.0 0.217 356.4 1951.0 0.229 352.4 1952.0 0.242 348.9 1953.0 0.257 345.7 1954.0 0.271 342.9 1955.0 0.287 340.4 1956.0 0.302 338.1 1957.0 0.318 336.1 1958.0 0.335 334.2 1959.0 0.351 332.6 1960.0 0.368 331.0 1961.0 0.385 329.6 1962.0 0.401 328.4 1963.0 0.418 327.2 1964.0 0.435 326.1 1965.0 0.452 325.1 1966.0 0.469 324.2 1967.0 0.487 323.3 1968.0 0.504 322.5 1969.0 0.521 321.8 1970.0 0.537 321.1 1971.0 0.554 320.4 1972.0 0.571 319.8 1973.0 0.588 319.2 1974.0 0.605 318.7 1975.0 0.621 318.2 1976.0 0.638 317.7 1977.0 0.654 317.2 1978.0 0.671 316.7 1979.0 0.687 316.3 1980.0 0.703 315.9 1981.0 0.719 315.5 1982.0 0.735 315.1 1983.0 0.751 314.8 1984.0 0.766 314.4 1985.0 0.782 314.1 1986.0 0.797 313.8 1987.0 0.812 313.5 1988.0 0.827 313.2 1989.0 0.842 312.9 1990.0 0.857 312.7 1991.0 0.872 312.4 1992.0 0.886 312.1 1993.0 0.901 311.9 1994.0 0.915 311.7 1995.0 0.929 311.4 1996.0 0.943 311.2 1997.0 0.957 311.0 1998.0 0.970 310.8 1999.0 0.984 310.6 2000.0 0.997 310.4 2001.0 1.010 310.2 2002.0 1.023 310.0 2003.0 1.036 309.8 2004.0 1.048 309.6 2005.0 1.061 309.4 2006.0 1.073 309.3 2007.0 1.085 309.1 2008.0 1.096 308.9 2009.0 1.108 308.8 2010.0 1.119 308.6 2011.0 1.131 308.5 2012.0 1.142 308.3 2013.0 1.152 308.2 2014.0 1.163 308.0 2015.0 1.173 307.9 2016.0 1.183 307.7 2017.0 1.193 307.6 2018.0 1.203 307.4 2019.0 1.213 307.3 2020.0 1.222 307.2 2021.0 1.231 307.0 2022.0 1.240 306.9 2023.0 1.248 306.8 2024.0 1.257 306.7 2025.0 1.265 306.5 2026.0 1.273 306.4 2027.0 1.280 306.3 2028.0 1.288 306.2 2029.0 1.295 306.1 2030.0 1.301 305.9 2031.0 1.308 305.8 2032.0 1.314 305.7 2033.0 1.320 305.6 2034.0 1.326 305.5 2035.0 1.331 305.4 2036.0 1.336 305.3 2037.0 1.341 305.2 2038.0 1.346 305.1 2039.0 1.350 304.9 2040.0 1.354 304.8 2041.0 1.358 304.7 2042.0 1.361 304.6 2043.0 1.364 304.5 2044.0 1.366 304.4 2045.0 1.369 304.3 2046.0 1.371 304.2 2047.0 1.372 304.1 2048.0 1.373 304.0 2049.0 1.374 303.9 2050.0 1.374 303.8 2051.0 1.374 303.7 2052.0 1.374 303.6 2053.0 1.373 303.5 2054.0 1.372 303.4 2055.0 1.370 303.3 2056.0 1.368 303.2 2057.0 1.366 303.1 2058.0 1.363 303.0 2059.0 1.359 302.8 2060.0 1.355 302.7 2061.0 1.351 302.6 2062.0 1.346 302.5 2063.0 1.340 302.4 2064.0 1.334 302.3 2065.0 1.328 302.2 2066.0 1.321 302.1 2067.0 1.313 302.0 2068.0 1.304 301.9 2069.0 1.295 301.7 2070.0 1.285 301.6 2071.0 1.275 301.5 2072.0 1.264 301.4 2073.0 1.252 301.3 2074.0 1.239 301.1 2075.0 1.226 301.0 2076.0 1.212 300.9 2077.0 1.196 300.7 2078.0 1.180 300.6 2079.0 1.163 300.5 2080.0 1.145 300.3 2081.0 1.126 300.2 2082.0 1.106 300.0 2083.0 1.085 299.8 2084.0 1.062 299.7 2085.0 1.038 299.5 2086.0 1.013 299.3 2087.0 0.987 299.1 2088.0 0.958 298.9 2089.0 0.929 298.7 2090.0 0.897 298.4 2091.0 0.864 298.2 2092.0 0.829 297.9 2093.0 0.791 297.6 2094.0 0.752 297.3 2095.0 0.710 296.9 2096.0 0.665 296.5 2097.0 0.617 296.0 2098.0 0.567 295.5 2099.0 0.513 294.8 2100.0 0.455 293.9 2101.0 0.394 292.8 2102.0 0.328 291.3 2103.0 0.259 289.0 2104.0 0.187 285.0 2105.0 0.113 275.7 2106.0 0.050 238.4 2107.0 0.069 154.8 2108.0 0.140 134.1 2109.0 0.211 127.5 2110.0 0.276 124.1 2111.0 0.333 122.0 2112.0 0.381 120.4 2113.0 0.419 119.2 2114.0 0.450 118.2 2115.0 0.473 117.3 2116.0 0.489 116.4 2117.0 0.501 115.6 2118.0 0.508 114.8 2119.0 0.512 114.1 2120.0 0.512 113.3 2121.0 0.510 112.6 2122.0 0.506 111.8 2123.0 0.500 111.1 2124.0 0.492 110.3 2125.0 0.483 109.4 2126.0 0.473 108.6 2127.0 0.461 107.7