| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:48:44 |
| WDS: | HU181 | WDS ID/Discoverer |
| P: | 209.660 | Orbital period (years) |
| a: | 0.644 | Semi-major axis (arcseconds) |
| i: | 73.5 | Inclination (degrees) |
| Ω: | 229.3 | Longitude of ascending node (degrees) |
| T: | 1912.360 | Epoch of periastron passage (year) |
| e: | 0.676 | Eccentricity |
| ω: | 340.5 | Longitude of periastron (degrees) |
| Start-Year: | 1921.0 | Year |
| End-Year: | 2129.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 173924.26-154541.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17394-1546 | WDS designation |
| Discoverer Code: | HU181 | Discover designation and components |
| ADS number: | 10683 | Aitken Double Star catalog |
| HD number: | 160239 | HD catalog number |
| Hipparcos number: | 86412 | Hipparcos catalog number |
| V1: | 9.70 | Magnitude of the primary |
| V2: | 10.06 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1998 | 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 1.037 44.7 ------------------------- 1921.0 0.176 254.5 1922.0 0.165 259.6 1923.0 0.154 265.5 1924.0 0.144 272.3 1925.0 0.135 280.0 1926.0 0.129 288.6 1927.0 0.125 297.8 1928.0 0.125 307.4 1929.0 0.127 316.9 1930.0 0.132 325.7 1931.0 0.140 333.8 1932.0 0.151 340.8 1933.0 0.162 346.9 1934.0 0.175 352.2 1935.0 0.190 356.7 1936.0 0.204 0.5 1937.0 0.220 3.8 1938.0 0.235 6.7 1939.0 0.251 9.3 1940.0 0.267 11.5 1941.0 0.283 13.4 1942.0 0.299 15.2 1943.0 0.316 16.8 1944.0 0.332 18.2 1945.0 0.348 19.5 1946.0 0.364 20.7 1947.0 0.379 21.7 1948.0 0.395 22.7 1949.0 0.410 23.7 1950.0 0.426 24.5 1951.0 0.441 25.3 1952.0 0.456 26.0 1953.0 0.471 26.7 1954.0 0.485 27.4 1955.0 0.500 28.0 1956.0 0.514 28.6 1957.0 0.528 29.1 1958.0 0.542 29.7 1959.0 0.556 30.2 1960.0 0.569 30.6 1961.0 0.582 31.1 1962.0 0.596 31.5 1963.0 0.608 31.9 1964.0 0.621 32.3 1965.0 0.634 32.7 1966.0 0.646 33.1 1967.0 0.658 33.4 1968.0 0.670 33.7 1969.0 0.682 34.1 1970.0 0.693 34.4 1971.0 0.704 34.7 1972.0 0.716 35.0 1973.0 0.727 35.3 1974.0 0.737 35.6 1975.0 0.748 35.8 1976.0 0.758 36.1 1977.0 0.768 36.3 1978.0 0.778 36.6 1979.0 0.788 36.8 1980.0 0.798 37.1 1981.0 0.807 37.3 1982.0 0.816 37.5 1983.0 0.825 37.7 1984.0 0.834 38.0 1985.0 0.843 38.2 1986.0 0.851 38.4 1987.0 0.860 38.6 1988.0 0.868 38.8 1989.0 0.876 39.0 1990.0 0.883 39.2 1991.0 0.891 39.4 1992.0 0.898 39.6 1993.0 0.905 39.7 1994.0 0.912 39.9 1995.0 0.919 40.1 1996.0 0.926 40.3 1997.0 0.932 40.4 1998.0 0.939 40.6 1999.0 0.945 40.8 2000.0 0.950 40.9 2001.0 0.956 41.1 2002.0 0.962 41.3 2003.0 0.967 41.4 2004.0 0.972 41.6 2005.0 0.977 41.7 2006.0 0.982 41.9 2007.0 0.986 42.1 2008.0 0.991 42.2 2009.0 0.995 42.4 2010.0 0.999 42.5 2011.0 1.003 42.7 2012.0 1.007 42.8 2013.0 1.010 43.0 2014.0 1.013 43.1 2015.0 1.016 43.2 2016.0 1.019 43.4 2017.0 1.022 43.5 2018.0 1.025 43.7 2019.0 1.027 43.8 2020.0 1.029 44.0 2021.0 1.031 44.1 2022.0 1.033 44.2 2023.0 1.034 44.4 2024.0 1.036 44.5 2025.0 1.037 44.7 2026.0 1.038 44.8 2027.0 1.039 44.9 2028.0 1.039 45.1 2029.0 1.040 45.2 2030.0 1.040 45.3 2031.0 1.040 45.5 2032.0 1.040 45.6 2033.0 1.039 45.8 2034.0 1.039 45.9 2035.0 1.038 46.0 2036.0 1.037 46.2 2037.0 1.036 46.3 2038.0 1.035 46.4 2039.0 1.033 46.6 2040.0 1.031 46.7 2041.0 1.029 46.9 2042.0 1.027 47.0 2043.0 1.024 47.2 2044.0 1.022 47.3 2045.0 1.019 47.4 2046.0 1.016 47.6 2047.0 1.012 47.7 2048.0 1.009 47.9 2049.0 1.005 48.0 2050.0 1.001 48.2 2051.0 0.997 48.3 2052.0 0.992 48.5 2053.0 0.987 48.6 2054.0 0.982 48.8 2055.0 0.977 48.9 2056.0 0.972 49.1 2057.0 0.966 49.2 2058.0 0.960 49.4 2059.0 0.954 49.6 2060.0 0.947 49.7 2061.0 0.941 49.9 2062.0 0.934 50.1 2063.0 0.926 50.2 2064.0 0.919 50.4 2065.0 0.911 50.6 2066.0 0.903 50.8 2067.0 0.895 51.0 2068.0 0.886 51.1 2069.0 0.877 51.3 2070.0 0.868 51.5 2071.0 0.858 51.7 2072.0 0.849 51.9 2073.0 0.839 52.1 2074.0 0.828 52.4 2075.0 0.817 52.6 2076.0 0.806 52.8 2077.0 0.795 53.0 2078.0 0.783 53.3 2079.0 0.771 53.5 2080.0 0.758 53.8 2081.0 0.746 54.0 2082.0 0.732 54.3 2083.0 0.719 54.6 2084.0 0.705 54.9 2085.0 0.690 55.2 2086.0 0.676 55.5 2087.0 0.661 55.9 2088.0 0.645 56.2 2089.0 0.629 56.6 2090.0 0.612 57.0 2091.0 0.595 57.4 2092.0 0.578 57.8 2093.0 0.560 58.3 2094.0 0.542 58.8 2095.0 0.523 59.3 2096.0 0.504 59.8 2097.0 0.484 60.5 2098.0 0.463 61.1 2099.0 0.442 61.9 2100.0 0.421 62.7 2101.0 0.398 63.5 2102.0 0.376 64.5 2103.0 0.352 65.7 2104.0 0.328 67.0 2105.0 0.304 68.4 2106.0 0.279 70.2 2107.0 0.254 72.3 2108.0 0.228 74.9 2109.0 0.201 78.1 2110.0 0.175 82.4 2111.0 0.150 88.0 2112.0 0.125 96.0 2113.0 0.103 107.6 2114.0 0.087 124.4 2115.0 0.080 146.2 2116.0 0.085 168.6 2117.0 0.100 186.5 2118.0 0.120 199.1 2119.0 0.141 207.9 2120.0 0.163 214.3 2121.0 0.182 219.3 2122.0 0.197 223.5 2123.0 0.209 227.1 2124.0 0.215 230.4 2125.0 0.218 233.6 2126.0 0.216 236.7 2127.0 0.211 240.0 2128.0 0.203 243.5