| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:48:00 |
| WDS: | A1156 | WDS ID/Discoverer |
| P: | 195.220 | Orbital period (years) |
| a: | 0.281 | Semi-major axis (arcseconds) |
| i: | 95.5 | Inclination (degrees) |
| Ω: | 168.3 | Longitude of ascending node (degrees) |
| T: | 2000.000 | Epoch of periastron passage (year) |
| e: | 0.26 | Eccentricity |
| ω: | 156.8 | Longitude of periastron (degrees) |
| Start-Year: | 1928.0 | Year |
| End-Year: | 2122.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 173634.63+072231.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17366+0723 | WDS designation |
| Discoverer Code: | A1156 | Discover designation and components |
| ADS number: | 10659 | Aitken Double Star catalog |
| HD number: | 159857 | HD catalog number |
| Hipparcos number: | 86174 | Hipparcos catalog number |
| V1: | 9.35 | Magnitude of the primary |
| V2: | 8.60 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 3 | 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 0.159 341.9 ------------------------- 1928.0 0.336 167.7 1929.0 0.334 167.6 1930.0 0.332 167.4 1931.0 0.330 167.3 1932.0 0.327 167.2 1933.0 0.324 167.1 1934.0 0.321 166.9 1935.0 0.318 166.8 1936.0 0.314 166.7 1937.0 0.310 166.5 1938.0 0.306 166.4 1939.0 0.302 166.2 1940.0 0.298 166.1 1941.0 0.293 165.9 1942.0 0.289 165.8 1943.0 0.284 165.6 1944.0 0.279 165.4 1945.0 0.273 165.3 1946.0 0.268 165.1 1947.0 0.262 164.9 1948.0 0.256 164.7 1949.0 0.250 164.5 1950.0 0.244 164.3 1951.0 0.237 164.0 1952.0 0.230 163.8 1953.0 0.223 163.5 1954.0 0.216 163.2 1955.0 0.209 162.9 1956.0 0.201 162.6 1957.0 0.194 162.3 1958.0 0.186 161.9 1959.0 0.178 161.5 1960.0 0.169 161.0 1961.0 0.161 160.5 1962.0 0.152 160.0 1963.0 0.144 159.4 1964.0 0.135 158.7 1965.0 0.126 157.9 1966.0 0.117 157.0 1967.0 0.107 155.9 1968.0 0.098 154.6 1969.0 0.089 153.1 1970.0 0.079 151.1 1971.0 0.070 148.7 1972.0 0.060 145.5 1973.0 0.051 141.1 1974.0 0.042 134.9 1975.0 0.034 125.5 1976.0 0.027 110.9 1977.0 0.023 89.2 1978.0 0.023 63.7 1979.0 0.028 42.4 1980.0 0.035 28.1 1981.0 0.043 18.9 1982.0 0.052 12.8 1983.0 0.061 8.5 1984.0 0.070 5.3 1985.0 0.079 2.9 1986.0 0.089 1.0 1987.0 0.098 359.4 1988.0 0.107 358.1 1989.0 0.116 357.0 1990.0 0.124 356.1 1991.0 0.132 355.3 1992.0 0.140 354.6 1993.0 0.148 353.9 1994.0 0.156 353.3 1995.0 0.163 352.8 1996.0 0.169 352.3 1997.0 0.175 351.9 1998.0 0.181 351.4 1999.0 0.186 351.0 2000.0 0.191 350.7 2001.0 0.196 350.3 2002.0 0.200 349.9 2003.0 0.203 349.6 2004.0 0.206 349.3 2005.0 0.208 349.0 2006.0 0.210 348.7 2007.0 0.211 348.4 2008.0 0.212 348.1 2009.0 0.212 347.8 2010.0 0.212 347.5 2011.0 0.212 347.2 2012.0 0.210 346.9 2013.0 0.209 346.6 2014.0 0.207 346.2 2015.0 0.204 345.9 2016.0 0.201 345.6 2017.0 0.198 345.3 2018.0 0.194 344.9 2019.0 0.190 344.5 2020.0 0.186 344.2 2021.0 0.181 343.8 2022.0 0.176 343.3 2023.0 0.170 342.9 2024.0 0.165 342.4 2025.0 0.159 341.9 2026.0 0.153 341.3 2027.0 0.146 340.7 2028.0 0.140 340.1 2029.0 0.133 339.4 2030.0 0.126 338.6 2031.0 0.119 337.7 2032.0 0.112 336.6 2033.0 0.105 335.5 2034.0 0.097 334.2 2035.0 0.090 332.6 2036.0 0.082 330.8 2037.0 0.075 328.6 2038.0 0.067 325.9 2039.0 0.060 322.6 2040.0 0.053 318.3 2041.0 0.046 312.8 2042.0 0.040 305.4 2043.0 0.034 295.5 2044.0 0.030 282.4 2045.0 0.028 266.4 2046.0 0.028 249.3 2047.0 0.031 233.9 2048.0 0.035 221.5 2049.0 0.041 212.3 2050.0 0.048 205.4 2051.0 0.054 200.2 2052.0 0.062 196.2 2053.0 0.069 193.0 2054.0 0.077 190.5 2055.0 0.084 188.4 2056.0 0.092 186.6 2057.0 0.099 185.2 2058.0 0.107 183.9 2059.0 0.115 182.8 2060.0 0.122 181.8 2061.0 0.130 181.0 2062.0 0.137 180.2 2063.0 0.144 179.5 2064.0 0.152 178.9 2065.0 0.159 178.4 2066.0 0.166 177.9 2067.0 0.173 177.4 2068.0 0.180 176.9 2069.0 0.187 176.5 2070.0 0.193 176.2 2071.0 0.200 175.8 2072.0 0.206 175.5 2073.0 0.213 175.2 2074.0 0.219 174.9 2075.0 0.225 174.6 2076.0 0.231 174.4 2077.0 0.237 174.1 2078.0 0.243 173.9 2079.0 0.248 173.7 2080.0 0.254 173.4 2081.0 0.259 173.2 2082.0 0.264 173.0 2083.0 0.269 172.9 2084.0 0.274 172.7 2085.0 0.279 172.5 2086.0 0.283 172.3 2087.0 0.288 172.2 2088.0 0.292 172.0 2089.0 0.296 171.8 2090.0 0.300 171.7 2091.0 0.304 171.5 2092.0 0.308 171.4 2093.0 0.311 171.3 2094.0 0.315 171.1 2095.0 0.318 171.0 2096.0 0.321 170.9 2097.0 0.324 170.7 2098.0 0.327 170.6 2099.0 0.329 170.5 2100.0 0.332 170.4 2101.0 0.334 170.2 2102.0 0.336 170.1 2103.0 0.338 170.0 2104.0 0.340 169.9 2105.0 0.341 169.8 2106.0 0.342 169.6 2107.0 0.344 169.5 2108.0 0.345 169.4 2109.0 0.345 169.3 2110.0 0.346 169.2 2111.0 0.346 169.1 2112.0 0.347 169.0 2113.0 0.347 168.9 2114.0 0.347 168.7 2115.0 0.346 168.6 2116.0 0.346 168.5 2117.0 0.345 168.4 2118.0 0.344 168.3 2119.0 0.343 168.2 2120.0 0.342 168.1 2121.0 0.340 167.9