| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:54:18 |
| WDS: | COU284 | WDS ID/Discoverer |
| P: | 261.810 | Orbital period (years) |
| a: | 0.27 | Semi-major axis (arcseconds) |
| i: | 122.2 | Inclination (degrees) |
| Ω: | 11.3 | Longitude of ascending node (degrees) |
| T: | 2008.850 | Epoch of periastron passage (year) |
| e: | 0.891 | Eccentricity |
| ω: | 83.9 | Longitude of periastron (degrees) |
| Start-Year: | 1895.0 | Year |
| End-Year: | 2155.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 094742.79+203617.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 09477+2036 | WDS designation |
| Discoverer Code: | COU284 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 84739 | HD catalog number |
| Hipparcos number: | 48051 | Hipparcos catalog number |
| V1: | 8.15 | Magnitude of the primary |
| V2: | 8.31 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | 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 0.149 162.2 ------------------------- 1895.0 0.270 107.1 1896.0 0.270 106.8 1897.0 0.269 106.4 1898.0 0.269 106.1 1899.0 0.268 105.8 1900.0 0.268 105.4 1901.0 0.267 105.1 1902.0 0.266 104.7 1903.0 0.266 104.4 1904.0 0.265 104.1 1905.0 0.265 103.7 1906.0 0.264 103.4 1907.0 0.263 103.0 1908.0 0.263 102.7 1909.0 0.262 102.3 1910.0 0.261 102.0 1911.0 0.261 101.6 1912.0 0.260 101.2 1913.0 0.259 100.9 1914.0 0.258 100.5 1915.0 0.258 100.2 1916.0 0.257 99.8 1917.0 0.256 99.4 1918.0 0.255 99.1 1919.0 0.254 98.7 1920.0 0.254 98.3 1921.0 0.253 97.9 1922.0 0.252 97.5 1923.0 0.251 97.2 1924.0 0.250 96.8 1925.0 0.249 96.4 1926.0 0.248 96.0 1927.0 0.247 95.6 1928.0 0.246 95.2 1929.0 0.245 94.8 1930.0 0.244 94.4 1931.0 0.243 94.0 1932.0 0.242 93.6 1933.0 0.241 93.2 1934.0 0.240 92.7 1935.0 0.239 92.3 1936.0 0.238 91.9 1937.0 0.237 91.5 1938.0 0.236 91.0 1939.0 0.235 90.6 1940.0 0.233 90.2 1941.0 0.232 89.7 1942.0 0.231 89.3 1943.0 0.230 88.8 1944.0 0.229 88.3 1945.0 0.227 87.9 1946.0 0.226 87.4 1947.0 0.225 86.9 1948.0 0.223 86.4 1949.0 0.222 85.9 1950.0 0.221 85.4 1951.0 0.219 84.9 1952.0 0.218 84.4 1953.0 0.216 83.9 1954.0 0.215 83.4 1955.0 0.213 82.9 1956.0 0.212 82.3 1957.0 0.210 81.8 1958.0 0.209 81.2 1959.0 0.207 80.7 1960.0 0.206 80.1 1961.0 0.204 79.5 1962.0 0.202 78.9 1963.0 0.201 78.3 1964.0 0.199 77.7 1965.0 0.197 77.1 1966.0 0.195 76.5 1967.0 0.194 75.9 1968.0 0.192 75.2 1969.0 0.190 74.5 1970.0 0.188 73.9 1971.0 0.186 73.2 1972.0 0.184 72.4 1973.0 0.182 71.7 1974.0 0.180 71.0 1975.0 0.178 70.2 1976.0 0.176 69.4 1977.0 0.173 68.7 1978.0 0.171 67.8 1979.0 0.169 67.0 1980.0 0.167 66.1 1981.0 0.164 65.2 1982.0 0.162 64.3 1983.0 0.159 63.4 1984.0 0.157 62.4 1985.0 0.154 61.4 1986.0 0.151 60.4 1987.0 0.149 59.3 1988.0 0.146 58.2 1989.0 0.143 57.0 1990.0 0.140 55.8 1991.0 0.136 54.5 1992.0 0.133 53.2 1993.0 0.130 51.8 1994.0 0.126 50.3 1995.0 0.122 48.7 1996.0 0.119 47.1 1997.0 0.114 45.3 1998.0 0.110 43.4 1999.0 0.105 41.3 2000.0 0.100 39.0 2001.0 0.095 36.4 2002.0 0.089 33.6 2003.0 0.083 30.3 2004.0 0.075 26.4 2005.0 0.067 21.5 2006.0 0.056 15.1 2007.0 0.043 5.3 2008.0 0.027 345.0 2009.0 0.016 278.0 2010.0 0.029 218.2 2011.0 0.046 200.5 2012.0 0.060 191.9 2013.0 0.072 186.3 2014.0 0.082 182.3 2015.0 0.091 179.0 2016.0 0.099 176.4 2017.0 0.107 174.1 2018.0 0.113 172.1 2019.0 0.119 170.3 2020.0 0.125 168.7 2021.0 0.131 167.2 2022.0 0.136 165.8 2023.0 0.140 164.5 2024.0 0.145 163.3 2025.0 0.149 162.2 2026.0 0.154 161.2 2027.0 0.158 160.2 2028.0 0.161 159.2 2029.0 0.165 158.3 2030.0 0.169 157.4 2031.0 0.172 156.6 2032.0 0.175 155.8 2033.0 0.178 155.0 2034.0 0.181 154.3 2035.0 0.184 153.5 2036.0 0.187 152.8 2037.0 0.190 152.2 2038.0 0.193 151.5 2039.0 0.195 150.8 2040.0 0.198 150.2 2041.0 0.200 149.6 2042.0 0.203 149.0 2043.0 0.205 148.4 2044.0 0.207 147.9 2045.0 0.209 147.3 2046.0 0.211 146.7 2047.0 0.214 146.2 2048.0 0.216 145.7 2049.0 0.218 145.2 2050.0 0.219 144.7 2051.0 0.221 144.2 2052.0 0.223 143.7 2053.0 0.225 143.2 2054.0 0.227 142.7 2055.0 0.228 142.2 2056.0 0.230 141.8 2057.0 0.232 141.3 2058.0 0.233 140.9 2059.0 0.235 140.4 2060.0 0.236 140.0 2061.0 0.238 139.6 2062.0 0.239 139.1 2063.0 0.240 138.7 2064.0 0.242 138.3 2065.0 0.243 137.9 2066.0 0.244 137.5 2067.0 0.246 137.1 2068.0 0.247 136.7 2069.0 0.248 136.3 2070.0 0.249 135.9 2071.0 0.250 135.5 2072.0 0.251 135.1 2073.0 0.252 134.7 2074.0 0.253 134.3 2075.0 0.254 134.0 2076.0 0.255 133.6 2077.0 0.256 133.2 2078.0 0.257 132.9 2079.0 0.258 132.5 2080.0 0.259 132.1 2081.0 0.260 131.8 2082.0 0.261 131.4 2083.0 0.262 131.1 2084.0 0.262 130.7 2085.0 0.263 130.4 2086.0 0.264 130.0 2087.0 0.265 129.7 2088.0 0.265 129.3 2089.0 0.266 129.0 2090.0 0.267 128.6 2091.0 0.267 128.3 2092.0 0.268 127.9 2093.0 0.268 127.6 2094.0 0.269 127.3 2095.0 0.270 126.9 2096.0 0.270 126.6 2097.0 0.271 126.3 2098.0 0.271 125.9 2099.0 0.272 125.6 2100.0 0.272 125.3 2101.0 0.272 125.0 2102.0 0.273 124.6 2103.0 0.273 124.3 2104.0 0.274 124.0 2105.0 0.274 123.7 2106.0 0.274 123.3 2107.0 0.275 123.0 2108.0 0.275 122.7 2109.0 0.275 122.4 2110.0 0.276 122.1 2111.0 0.276 121.7 2112.0 0.276 121.4 2113.0 0.276 121.1 2114.0 0.276 120.8 2115.0 0.277 120.5 2116.0 0.277 120.1 2117.0 0.277 119.8 2118.0 0.277 119.5 2119.0 0.277 119.2 2120.0 0.277 118.9 2121.0 0.277 118.6 2122.0 0.277 118.2 2123.0 0.277 117.9 2124.0 0.277 117.6 2125.0 0.277 117.3 2126.0 0.277 117.0 2127.0 0.277 116.7 2128.0 0.277 116.4 2129.0 0.277 116.0 2130.0 0.277 115.7 2131.0 0.277 115.4 2132.0 0.277 115.1 2133.0 0.277 114.8 2134.0 0.277 114.5 2135.0 0.277 114.1 2136.0 0.277 113.8 2137.0 0.276 113.5 2138.0 0.276 113.2 2139.0 0.276 112.9 2140.0 0.276 112.6 2141.0 0.276 112.2 2142.0 0.275 111.9 2143.0 0.275 111.6 2144.0 0.275 111.3 2145.0 0.275 111.0 2146.0 0.274 110.6 2147.0 0.274 110.3 2148.0 0.274 110.0 2149.0 0.273 109.7 2150.0 0.273 109.3 2151.0 0.273 109.0 2152.0 0.272 108.7 2153.0 0.272 108.4 2154.0 0.271 108.0