| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:13:20 |
| WDS: | BU763AB | WDS ID/Discoverer |
| P: | 180.200 | Orbital period (years) |
| a: | 0.609 | Semi-major axis (arcseconds) |
| i: | 32.1 | Inclination (degrees) |
| Ω: | 216.3 | Longitude of ascending node (degrees) |
| T: | 2003.820 | Epoch of periastron passage (year) |
| e: | 0.806 | Eccentricity |
| ω: | 181.8 | Longitude of periastron (degrees) |
| Start-Year: | 1935.0 | Year |
| End-Year: | 2115.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 202353.17-422522.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20239-4225 | WDS designation |
| Discoverer Code: | BU763AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 193807 | HD catalog number |
| Hipparcos number: | 100591 | Hipparcos catalog number |
| V1: | 5.67 | Magnitude of the primary |
| V2: | 7.25 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | Date of last observation |
| Orbit grade: | 3 | 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 0.567 185.2 ------------------------- 1935.0 1.054 224.6 1936.0 1.049 224.9 1937.0 1.045 225.2 1938.0 1.040 225.6 1939.0 1.035 225.9 1940.0 1.030 226.3 1941.0 1.024 226.6 1942.0 1.018 227.0 1943.0 1.012 227.3 1944.0 1.006 227.7 1945.0 1.000 228.1 1946.0 0.993 228.4 1947.0 0.987 228.8 1948.0 0.979 229.2 1949.0 0.972 229.6 1950.0 0.965 230.0 1951.0 0.957 230.4 1952.0 0.949 230.8 1953.0 0.941 231.2 1954.0 0.932 231.6 1955.0 0.923 232.1 1956.0 0.915 232.5 1957.0 0.905 233.0 1958.0 0.896 233.4 1959.0 0.886 233.9 1960.0 0.876 234.4 1961.0 0.866 234.9 1962.0 0.855 235.4 1963.0 0.844 235.9 1964.0 0.833 236.4 1965.0 0.821 236.9 1966.0 0.810 237.5 1967.0 0.798 238.1 1968.0 0.785 238.7 1969.0 0.772 239.3 1970.0 0.759 239.9 1971.0 0.746 240.6 1972.0 0.732 241.3 1973.0 0.718 242.0 1974.0 0.704 242.7 1975.0 0.689 243.5 1976.0 0.673 244.3 1977.0 0.658 245.1 1978.0 0.642 246.0 1979.0 0.625 246.9 1980.0 0.608 247.9 1981.0 0.591 248.9 1982.0 0.573 250.0 1983.0 0.555 251.2 1984.0 0.536 252.4 1985.0 0.517 253.8 1986.0 0.497 255.2 1987.0 0.477 256.8 1988.0 0.456 258.5 1989.0 0.434 260.4 1990.0 0.412 262.4 1991.0 0.389 264.8 1992.0 0.366 267.4 1993.0 0.342 270.3 1994.0 0.317 273.8 1995.0 0.292 277.8 1996.0 0.266 282.6 1997.0 0.240 288.4 1998.0 0.214 295.6 1999.0 0.189 304.8 2000.0 0.165 316.7 2001.0 0.145 332.3 2002.0 0.129 352.3 2003.0 0.121 16.3 2004.0 0.118 42.6 2005.0 0.122 68.7 2006.0 0.133 91.9 2007.0 0.151 110.5 2008.0 0.173 124.8 2009.0 0.199 135.6 2010.0 0.225 144.0 2011.0 0.251 150.5 2012.0 0.278 155.9 2013.0 0.304 160.3 2014.0 0.329 164.0 2015.0 0.354 167.1 2016.0 0.378 169.9 2017.0 0.402 172.4 2018.0 0.424 174.5 2019.0 0.447 176.5 2020.0 0.468 178.3 2021.0 0.489 179.9 2022.0 0.509 181.4 2023.0 0.529 182.8 2024.0 0.548 184.1 2025.0 0.567 185.2 2026.0 0.585 186.4 2027.0 0.603 187.4 2028.0 0.620 188.4 2029.0 0.637 189.4 2030.0 0.653 190.2 2031.0 0.669 191.1 2032.0 0.685 191.9 2033.0 0.700 192.7 2034.0 0.714 193.4 2035.0 0.729 194.1 2036.0 0.743 194.8 2037.0 0.756 195.5 2038.0 0.770 196.1 2039.0 0.782 196.7 2040.0 0.795 197.3 2041.0 0.807 197.9 2042.0 0.819 198.5 2043.0 0.831 199.0 2044.0 0.842 199.6 2045.0 0.853 200.1 2046.0 0.864 200.6 2047.0 0.874 201.1 2048.0 0.885 201.6 2049.0 0.894 202.0 2050.0 0.904 202.5 2051.0 0.913 202.9 2052.0 0.922 203.4 2053.0 0.931 203.8 2054.0 0.940 204.2 2055.0 0.948 204.6 2056.0 0.956 205.1 2057.0 0.964 205.5 2058.0 0.972 205.9 2059.0 0.979 206.2 2060.0 0.986 206.6 2061.0 0.993 207.0 2062.0 0.999 207.4 2063.0 1.006 207.8 2064.0 1.012 208.1 2065.0 1.018 208.5 2066.0 1.024 208.8 2067.0 1.029 209.2 2068.0 1.035 209.5 2069.0 1.040 209.9 2070.0 1.044 210.2 2071.0 1.049 210.6 2072.0 1.054 210.9 2073.0 1.058 211.2 2074.0 1.062 211.6 2075.0 1.066 211.9 2076.0 1.069 212.2 2077.0 1.073 212.5 2078.0 1.076 212.9 2079.0 1.079 213.2 2080.0 1.082 213.5 2081.0 1.084 213.8 2082.0 1.087 214.1 2083.0 1.089 214.4 2084.0 1.091 214.8 2085.0 1.092 215.1 2086.0 1.094 215.4 2087.0 1.095 215.7 2088.0 1.097 216.0 2089.0 1.098 216.3 2090.0 1.098 216.6 2091.0 1.099 216.9 2092.0 1.099 217.2 2093.0 1.100 217.5 2094.0 1.100 217.8 2095.0 1.100 218.2 2096.0 1.099 218.5 2097.0 1.099 218.8 2098.0 1.098 219.1 2099.0 1.097 219.4 2100.0 1.096 219.7 2101.0 1.094 220.0 2102.0 1.093 220.3 2103.0 1.091 220.6 2104.0 1.089 220.9 2105.0 1.087 221.3 2106.0 1.085 221.6 2107.0 1.082 221.9 2108.0 1.079 222.2 2109.0 1.076 222.5 2110.0 1.073 222.8 2111.0 1.070 223.2 2112.0 1.066 223.5 2113.0 1.063 223.8 2114.0 1.059 224.2