| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:58:48 |
| WDS: | YSC39 | WDS ID/Discoverer |
| P: | 178.900 | Orbital period (years) |
| a: | 1.083 | Semi-major axis (arcseconds) |
| i: | 129.5 | Inclination (degrees) |
| Ω: | 50.95 | Longitude of ascending node (degrees) |
| T: | 2000.070 | Epoch of periastron passage (year) |
| e: | 0.274 | Eccentricity |
| ω: | 331.4 | Longitude of periastron (degrees) |
| Start-Year: | 1936.0 | Year |
| End-Year: | 2114.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 103200.66+083038.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10320+0831 | WDS designation |
| Discoverer Code: | YSC39 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 51571 | Hipparcos catalog number |
| V1: | 10.78 | Magnitude of the primary |
| V2: | . | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 4 | 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 0.764 12.8 ------------------------- 1936.0 1.307 229.2 1937.0 1.300 228.3 1938.0 1.292 227.5 1939.0 1.284 226.6 1940.0 1.276 225.7 1941.0 1.266 224.8 1942.0 1.256 223.9 1943.0 1.246 223.0 1944.0 1.234 222.1 1945.0 1.222 221.1 1946.0 1.210 220.1 1947.0 1.197 219.1 1948.0 1.183 218.1 1949.0 1.168 217.1 1950.0 1.153 216.0 1951.0 1.137 214.9 1952.0 1.121 213.8 1953.0 1.104 212.6 1954.0 1.087 211.4 1955.0 1.069 210.1 1956.0 1.050 208.9 1957.0 1.031 207.5 1958.0 1.012 206.1 1959.0 0.992 204.7 1960.0 0.971 203.2 1961.0 0.950 201.6 1962.0 0.929 200.0 1963.0 0.907 198.3 1964.0 0.886 196.5 1965.0 0.864 194.6 1966.0 0.841 192.6 1967.0 0.819 190.5 1968.0 0.797 188.3 1969.0 0.775 186.0 1970.0 0.753 183.5 1971.0 0.731 180.9 1972.0 0.710 178.1 1973.0 0.690 175.2 1974.0 0.670 172.0 1975.0 0.652 168.7 1976.0 0.634 165.2 1977.0 0.618 161.5 1978.0 0.603 157.7 1979.0 0.590 153.6 1980.0 0.579 149.4 1981.0 0.570 145.0 1982.0 0.563 140.5 1983.0 0.558 135.9 1984.0 0.556 131.2 1985.0 0.556 126.5 1986.0 0.558 121.9 1987.0 0.563 117.3 1988.0 0.569 112.8 1989.0 0.578 108.4 1990.0 0.588 104.1 1991.0 0.600 100.0 1992.0 0.613 96.1 1993.0 0.627 92.3 1994.0 0.641 88.8 1995.0 0.656 85.3 1996.0 0.671 82.0 1997.0 0.686 78.9 1998.0 0.701 75.9 1999.0 0.716 73.0 2000.0 0.730 70.3 2001.0 0.743 67.6 2002.0 0.755 65.0 2003.0 0.767 62.5 2004.0 0.777 60.1 2005.0 0.787 57.8 2006.0 0.795 55.4 2007.0 0.802 53.2 2008.0 0.807 50.9 2009.0 0.812 48.7 2010.0 0.815 46.6 2011.0 0.818 44.4 2012.0 0.819 42.2 2013.0 0.819 40.1 2014.0 0.818 37.9 2015.0 0.816 35.8 2016.0 0.813 33.6 2017.0 0.810 31.4 2018.0 0.806 29.2 2019.0 0.801 27.0 2020.0 0.795 24.7 2021.0 0.790 22.4 2022.0 0.783 20.1 2023.0 0.777 17.7 2024.0 0.770 15.3 2025.0 0.764 12.8 2026.0 0.757 10.3 2027.0 0.751 7.8 2028.0 0.745 5.2 2029.0 0.739 2.6 2030.0 0.734 359.9 2031.0 0.729 357.2 2032.0 0.724 354.5 2033.0 0.720 351.7 2034.0 0.717 348.9 2035.0 0.715 346.1 2036.0 0.714 343.3 2037.0 0.713 340.4 2038.0 0.713 337.6 2039.0 0.714 334.8 2040.0 0.716 331.9 2041.0 0.719 329.1 2042.0 0.723 326.4 2043.0 0.728 323.6 2044.0 0.733 320.9 2045.0 0.740 318.2 2046.0 0.747 315.6 2047.0 0.755 313.1 2048.0 0.764 310.6 2049.0 0.774 308.1 2050.0 0.784 305.8 2051.0 0.795 303.4 2052.0 0.806 301.2 2053.0 0.818 299.0 2054.0 0.831 296.9 2055.0 0.844 294.8 2056.0 0.857 292.8 2057.0 0.870 290.9 2058.0 0.884 289.0 2059.0 0.898 287.2 2060.0 0.913 285.4 2061.0 0.927 283.7 2062.0 0.942 282.1 2063.0 0.956 280.5 2064.0 0.971 278.9 2065.0 0.986 277.4 2066.0 1.000 275.9 2067.0 1.015 274.5 2068.0 1.029 273.1 2069.0 1.044 271.8 2070.0 1.058 270.5 2071.0 1.072 269.2 2072.0 1.086 268.0 2073.0 1.100 266.8 2074.0 1.114 265.6 2075.0 1.127 264.4 2076.0 1.140 263.3 2077.0 1.153 262.2 2078.0 1.165 261.1 2079.0 1.177 260.1 2080.0 1.189 259.0 2081.0 1.201 258.0 2082.0 1.212 257.0 2083.0 1.222 256.1 2084.0 1.233 255.1 2085.0 1.243 254.2 2086.0 1.252 253.2 2087.0 1.261 252.3 2088.0 1.270 251.4 2089.0 1.278 250.5 2090.0 1.286 249.7 2091.0 1.293 248.8 2092.0 1.300 247.9 2093.0 1.306 247.1 2094.0 1.312 246.2 2095.0 1.317 245.4 2096.0 1.322 244.6 2097.0 1.326 243.7 2098.0 1.330 242.9 2099.0 1.333 242.1 2100.0 1.336 241.3 2101.0 1.338 240.5 2102.0 1.340 239.7 2103.0 1.341 238.9 2104.0 1.341 238.1 2105.0 1.341 237.3 2106.0 1.340 236.5 2107.0 1.339 235.7 2108.0 1.337 234.9 2109.0 1.334 234.1 2110.0 1.331 233.2 2111.0 1.327 232.4 2112.0 1.323 231.6 2113.0 1.318 230.8