| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:42:50 |
| WDS: | I1306 | WDS ID/Discoverer |
| P: | 193.700 | Orbital period (years) |
| a: | 0.317 | Semi-major axis (arcseconds) |
| i: | 84.6 | Inclination (degrees) |
| Ω: | 12.8 | Longitude of ascending node (degrees) |
| T: | 1989.590 | Epoch of periastron passage (year) |
| e: | 0.187 | Eccentricity |
| ω: | 149.0 | Longitude of periastron (degrees) |
| Start-Year: | 1929.0 | Year |
| End-Year: | 2121.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 170146.35-510751.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17018-5108 | WDS designation |
| Discoverer Code: | I1306 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 153370 | HD catalog number |
| Hipparcos number: | 83321 | Hipparcos catalog number |
| V1: | 7.23 | Magnitude of the primary |
| V2: | 7.27 | Magnitude of the secondary |
| Equinox: | 2000 | 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 0.171 200.7 ------------------------- 1929.0 0.330 14.6 1930.0 0.326 14.8 1931.0 0.321 14.9 1932.0 0.316 15.1 1933.0 0.311 15.3 1934.0 0.305 15.5 1935.0 0.300 15.6 1936.0 0.294 15.8 1937.0 0.288 16.0 1938.0 0.281 16.3 1939.0 0.274 16.5 1940.0 0.267 16.7 1941.0 0.260 17.0 1942.0 0.253 17.2 1943.0 0.245 17.5 1944.0 0.237 17.8 1945.0 0.229 18.1 1946.0 0.220 18.5 1947.0 0.212 18.8 1948.0 0.203 19.2 1949.0 0.194 19.7 1950.0 0.185 20.2 1951.0 0.175 20.7 1952.0 0.166 21.3 1953.0 0.156 22.0 1954.0 0.146 22.7 1955.0 0.136 23.6 1956.0 0.126 24.6 1957.0 0.115 25.8 1958.0 0.105 27.2 1959.0 0.094 29.0 1960.0 0.084 31.2 1961.0 0.073 34.0 1962.0 0.063 37.7 1963.0 0.053 42.9 1964.0 0.044 50.3 1965.0 0.035 61.7 1966.0 0.029 78.9 1967.0 0.026 102.4 1968.0 0.028 126.2 1969.0 0.034 144.1 1970.0 0.043 155.9 1971.0 0.052 163.7 1972.0 0.062 169.1 1973.0 0.072 172.9 1974.0 0.083 175.8 1975.0 0.093 178.1 1976.0 0.103 179.9 1977.0 0.114 181.3 1978.0 0.124 182.5 1979.0 0.134 183.6 1980.0 0.143 184.5 1981.0 0.153 185.3 1982.0 0.162 186.0 1983.0 0.171 186.6 1984.0 0.180 187.2 1985.0 0.188 187.7 1986.0 0.196 188.1 1987.0 0.203 188.6 1988.0 0.211 189.0 1989.0 0.217 189.4 1990.0 0.224 189.7 1991.0 0.230 190.0 1992.0 0.235 190.4 1993.0 0.240 190.7 1994.0 0.245 191.0 1995.0 0.249 191.2 1996.0 0.253 191.5 1997.0 0.256 191.8 1998.0 0.259 192.0 1999.0 0.261 192.3 2000.0 0.262 192.6 2001.0 0.264 192.8 2002.0 0.264 193.1 2003.0 0.265 193.3 2004.0 0.265 193.5 2005.0 0.264 193.8 2006.0 0.263 194.0 2007.0 0.261 194.3 2008.0 0.259 194.5 2009.0 0.257 194.8 2010.0 0.254 195.1 2011.0 0.251 195.3 2012.0 0.247 195.6 2013.0 0.243 195.9 2014.0 0.239 196.2 2015.0 0.234 196.5 2016.0 0.229 196.8 2017.0 0.224 197.2 2018.0 0.218 197.5 2019.0 0.212 197.9 2020.0 0.206 198.3 2021.0 0.200 198.7 2022.0 0.193 199.2 2023.0 0.186 199.6 2024.0 0.179 200.2 2025.0 0.171 200.7 2026.0 0.164 201.3 2027.0 0.156 202.0 2028.0 0.148 202.8 2029.0 0.140 203.6 2030.0 0.132 204.5 2031.0 0.124 205.6 2032.0 0.115 206.8 2033.0 0.107 208.2 2034.0 0.098 209.8 2035.0 0.090 211.8 2036.0 0.081 214.2 2037.0 0.073 217.1 2038.0 0.065 220.7 2039.0 0.057 225.4 2040.0 0.050 231.5 2041.0 0.043 239.7 2042.0 0.037 250.6 2043.0 0.033 264.7 2044.0 0.032 281.2 2045.0 0.033 297.8 2046.0 0.037 312.1 2047.0 0.042 323.2 2048.0 0.049 331.6 2049.0 0.056 337.9 2050.0 0.064 342.6 2051.0 0.072 346.3 2052.0 0.081 349.3 2053.0 0.089 351.7 2054.0 0.098 353.6 2055.0 0.106 355.3 2056.0 0.115 356.7 2057.0 0.124 357.9 2058.0 0.132 359.0 2059.0 0.140 359.9 2060.0 0.149 0.7 2061.0 0.157 1.5 2062.0 0.165 2.1 2063.0 0.173 2.7 2064.0 0.181 3.3 2065.0 0.189 3.8 2066.0 0.197 4.3 2067.0 0.205 4.7 2068.0 0.212 5.1 2069.0 0.220 5.5 2070.0 0.227 5.8 2071.0 0.234 6.1 2072.0 0.241 6.4 2073.0 0.248 6.7 2074.0 0.255 7.0 2075.0 0.261 7.3 2076.0 0.267 7.5 2077.0 0.274 7.7 2078.0 0.280 8.0 2079.0 0.285 8.2 2080.0 0.291 8.4 2081.0 0.297 8.6 2082.0 0.302 8.8 2083.0 0.307 9.0 2084.0 0.312 9.1 2085.0 0.317 9.3 2086.0 0.321 9.5 2087.0 0.325 9.7 2088.0 0.330 9.8 2089.0 0.333 10.0 2090.0 0.337 10.1 2091.0 0.341 10.3 2092.0 0.344 10.4 2093.0 0.347 10.6 2094.0 0.350 10.7 2095.0 0.353 10.9 2096.0 0.355 11.0 2097.0 0.357 11.1 2098.0 0.359 11.3 2099.0 0.361 11.4 2100.0 0.362 11.5 2101.0 0.364 11.7 2102.0 0.365 11.8 2103.0 0.365 11.9 2104.0 0.366 12.0 2105.0 0.366 12.2 2106.0 0.366 12.3 2107.0 0.366 12.4 2108.0 0.366 12.6 2109.0 0.365 12.7 2110.0 0.364 12.8 2111.0 0.363 13.0 2112.0 0.362 13.1 2113.0 0.360 13.2 2114.0 0.358 13.3 2115.0 0.356 13.5 2116.0 0.353 13.6 2117.0 0.351 13.8 2118.0 0.348 13.9 2119.0 0.344 14.0 2120.0 0.341 14.2