| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:10:41 |
| WDS: | A2393 | WDS ID/Discoverer |
| P: | 500.000 | Orbital period (years) |
| a: | 0.265 | Semi-major axis (arcseconds) |
| i: | 117.0 | Inclination (degrees) |
| Ω: | 245.3 | Longitude of ascending node (degrees) |
| T: | 2000.410 | Epoch of periastron passage (year) |
| e: | 0.859 | Eccentricity |
| ω: | 130.4 | Longitude of periastron (degrees) |
| Start-Year: | 1775.0 | Year |
| End-Year: | 2275.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 200006.51+033812.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20001+0338 | WDS designation |
| Discoverer Code: | A2393 | Discover designation and components |
| ADS number: | 13220 | Aitken Double Star catalog |
| HD number: | 189496 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.5 | Magnitude of the primary |
| V2: | 10.2 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 5 | 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 0.074 356.7 ------------------------- 1775.0 0.371 271.2 1776.0 0.372 271.1 1777.0 0.372 271.1 1778.0 0.372 271.0 1779.0 0.373 270.9 1780.0 0.373 270.8 1781.0 0.373 270.7 1782.0 0.373 270.6 1783.0 0.373 270.6 1784.0 0.374 270.5 1785.0 0.374 270.4 1786.0 0.374 270.3 1787.0 0.374 270.2 1788.0 0.374 270.1 1789.0 0.375 270.1 1790.0 0.375 270.0 1791.0 0.375 269.9 1792.0 0.375 269.8 1793.0 0.375 269.7 1794.0 0.375 269.6 1795.0 0.375 269.5 1796.0 0.376 269.5 1797.0 0.376 269.4 1798.0 0.376 269.3 1799.0 0.376 269.2 1800.0 0.376 269.1 1801.0 0.376 269.0 1802.0 0.376 269.0 1803.0 0.376 268.9 1804.0 0.376 268.8 1805.0 0.376 268.7 1806.0 0.376 268.6 1807.0 0.376 268.6 1808.0 0.376 268.5 1809.0 0.376 268.4 1810.0 0.376 268.3 1811.0 0.376 268.2 1812.0 0.376 268.1 1813.0 0.376 268.1 1814.0 0.376 268.0 1815.0 0.376 267.9 1816.0 0.376 267.8 1817.0 0.376 267.7 1818.0 0.376 267.6 1819.0 0.375 267.6 1820.0 0.375 267.5 1821.0 0.375 267.4 1822.0 0.375 267.3 1823.0 0.375 267.2 1824.0 0.375 267.1 1825.0 0.375 267.1 1826.0 0.374 267.0 1827.0 0.374 266.9 1828.0 0.374 266.8 1829.0 0.374 266.7 1830.0 0.374 266.6 1831.0 0.373 266.5 1832.0 0.373 266.5 1833.0 0.373 266.4 1834.0 0.373 266.3 1835.0 0.372 266.2 1836.0 0.372 266.1 1837.0 0.372 266.0 1838.0 0.371 266.0 1839.0 0.371 265.9 1840.0 0.371 265.8 1841.0 0.370 265.7 1842.0 0.370 265.6 1843.0 0.370 265.5 1844.0 0.369 265.4 1845.0 0.369 265.4 1846.0 0.369 265.3 1847.0 0.368 265.2 1848.0 0.368 265.1 1849.0 0.367 265.0 1850.0 0.367 264.9 1851.0 0.366 264.8 1852.0 0.366 264.7 1853.0 0.365 264.7 1854.0 0.365 264.6 1855.0 0.364 264.5 1856.0 0.364 264.4 1857.0 0.363 264.3 1858.0 0.363 264.2 1859.0 0.362 264.1 1860.0 0.362 264.0 1861.0 0.361 263.9 1862.0 0.360 263.9 1863.0 0.360 263.8 1864.0 0.359 263.7 1865.0 0.359 263.6 1866.0 0.358 263.5 1867.0 0.357 263.4 1868.0 0.357 263.3 1869.0 0.356 263.2 1870.0 0.355 263.1 1871.0 0.355 263.0 1872.0 0.354 262.9 1873.0 0.353 262.8 1874.0 0.352 262.7 1875.0 0.352 262.6 1876.0 0.351 262.6 1877.0 0.350 262.5 1878.0 0.349 262.4 1879.0 0.348 262.3 1880.0 0.347 262.2 1881.0 0.347 262.1 1882.0 0.346 262.0 1883.0 0.345 261.9 1884.0 0.344 261.8 1885.0 0.343 261.7 1886.0 0.342 261.6 1887.0 0.341 261.5 1888.0 0.340 261.4 1889.0 0.339 261.3 1890.0 0.338 261.2 1891.0 0.337 261.1 1892.0 0.336 261.0 1893.0 0.335 260.9 1894.0 0.334 260.8 1895.0 0.333 260.6 1896.0 0.332 260.5 1897.0 0.331 260.4 1898.0 0.330 260.3 1899.0 0.328 260.2 1900.0 0.327 260.1 1901.0 0.326 260.0 1902.0 0.325 259.9 1903.0 0.324 259.8 1904.0 0.322 259.7 1905.0 0.321 259.6 1906.0 0.320 259.4 1907.0 0.319 259.3 1908.0 0.317 259.2 1909.0 0.316 259.1 1910.0 0.315 259.0 1911.0 0.313 258.8 1912.0 0.312 258.7 1913.0 0.310 258.6 1914.0 0.309 258.5 1915.0 0.307 258.4 1916.0 0.306 258.2 1917.0 0.304 258.1 1918.0 0.303 258.0 1919.0 0.301 257.9 1920.0 0.300 257.7 1921.0 0.298 257.6 1922.0 0.296 257.5 1923.0 0.295 257.3 1924.0 0.293 257.2 1925.0 0.291 257.1 1926.0 0.290 256.9 1927.0 0.288 256.8 1928.0 0.286 256.6 1929.0 0.284 256.5 1930.0 0.282 256.3 1931.0 0.281 256.2 1932.0 0.279 256.0 1933.0 0.277 255.9 1934.0 0.275 255.7 1935.0 0.273 255.6 1936.0 0.271 255.4 1937.0 0.269 255.3 1938.0 0.267 255.1 1939.0 0.264 254.9 1940.0 0.262 254.8 1941.0 0.260 254.6 1942.0 0.258 254.4 1943.0 0.256 254.2 1944.0 0.253 254.0 1945.0 0.251 253.9 1946.0 0.249 253.7 1947.0 0.246 253.5 1948.0 0.244 253.3 1949.0 0.241 253.1 1950.0 0.239 252.9 1951.0 0.236 252.7 1952.0 0.233 252.5 1953.0 0.231 252.2 1954.0 0.228 252.0 1955.0 0.225 251.8 1956.0 0.222 251.6 1957.0 0.220 251.3 1958.0 0.217 251.1 1959.0 0.214 250.8 1960.0 0.211 250.6 1961.0 0.208 250.3 1962.0 0.204 250.0 1963.0 0.201 249.7 1964.0 0.198 249.4 1965.0 0.195 249.1 1966.0 0.191 248.8 1967.0 0.188 248.5 1968.0 0.184 248.1 1969.0 0.180 247.8 1970.0 0.177 247.4 1971.0 0.173 247.0 1972.0 0.169 246.6 1973.0 0.165 246.2 1974.0 0.161 245.8 1975.0 0.157 245.3 1976.0 0.152 244.8 1977.0 0.148 244.3 1978.0 0.143 243.7 1979.0 0.139 243.1 1980.0 0.134 242.5 1981.0 0.129 241.8 1982.0 0.124 241.1 1983.0 0.119 240.3 1984.0 0.113 239.4 1985.0 0.107 238.4 1986.0 0.102 237.4 1987.0 0.096 236.2 1988.0 0.089 234.8 1989.0 0.083 233.2 1990.0 0.076 231.3 1991.0 0.069 229.1 1992.0 0.062 226.3 1993.0 0.054 222.8 1994.0 0.046 218.0 1995.0 0.038 211.3 1996.0 0.030 201.0 1997.0 0.023 184.1 1998.0 0.019 156.9 1999.0 0.020 124.7 2000.0 0.025 100.4 2001.0 0.031 85.3 2002.0 0.037 75.3 2003.0 0.043 68.0 2004.0 0.047 62.1 2005.0 0.050 57.1 2006.0 0.053 52.7 2007.0 0.055 48.6 2008.0 0.056 44.9 2009.0 0.058 41.3 2010.0 0.059 37.8 2011.0 0.060 34.5 2012.0 0.061 31.3 2013.0 0.062 28.1 2014.0 0.063 25.1 2015.0 0.063 22.2 2016.0 0.064 19.3 2017.0 0.065 16.5 2018.0 0.066 13.7 2019.0 0.067 11.1 2020.0 0.068 8.5 2021.0 0.069 6.0 2022.0 0.070 3.6 2023.0 0.071 1.2 2024.0 0.072 358.9 2025.0 0.074 356.7 2026.0 0.075 354.6 2027.0 0.076 352.5 2028.0 0.077 350.5 2029.0 0.079 348.6 2030.0 0.080 346.7 2031.0 0.082 344.9 2032.0 0.083 343.2 2033.0 0.085 341.5 2034.0 0.086 339.9 2035.0 0.088 338.4 2036.0 0.089 336.9 2037.0 0.091 335.4 2038.0 0.093 334.0 2039.0 0.094 332.7 2040.0 0.096 331.4 2041.0 0.098 330.1 2042.0 0.099 328.9 2043.0 0.101 327.8 2044.0 0.103 326.6 2045.0 0.105 325.6 2046.0 0.107 324.5 2047.0 0.108 323.5 2048.0 0.110 322.5 2049.0 0.112 321.5 2050.0 0.114 320.6 2051.0 0.116 319.7 2052.0 0.117 318.9 2053.0 0.119 318.0 2054.0 0.121 317.2 2055.0 0.123 316.4 2056.0 0.125 315.6 2057.0 0.126 314.9 2058.0 0.128 314.2 2059.0 0.130 313.5 2060.0 0.132 312.8 2061.0 0.134 312.1 2062.0 0.136 311.5 2063.0 0.137 310.8 2064.0 0.139 310.2 2065.0 0.141 309.6 2066.0 0.143 309.0 2067.0 0.145 308.5 2068.0 0.147 307.9 2069.0 0.148 307.4 2070.0 0.150 306.9 2071.0 0.152 306.3 2072.0 0.154 305.8 2073.0 0.156 305.4 2074.0 0.157 304.9 2075.0 0.159 304.4 2076.0 0.161 303.9 2077.0 0.163 303.5 2078.0 0.165 303.1 2079.0 0.166 302.6 2080.0 0.168 302.2 2081.0 0.170 301.8 2082.0 0.172 301.4 2083.0 0.173 301.0 2084.0 0.175 300.6 2085.0 0.177 300.2 2086.0 0.179 299.9 2087.0 0.180 299.5 2088.0 0.182 299.1 2089.0 0.184 298.8 2090.0 0.185 298.4 2091.0 0.187 298.1 2092.0 0.189 297.8 2093.0 0.190 297.4 2094.0 0.192 297.1 2095.0 0.194 296.8 2096.0 0.195 296.5 2097.0 0.197 296.2 2098.0 0.199 295.9 2099.0 0.200 295.6 2100.0 0.202 295.3 2101.0 0.204 295.0 2102.0 0.205 294.7 2103.0 0.207 294.5 2104.0 0.208 294.2 2105.0 0.210 293.9 2106.0 0.212 293.6 2107.0 0.213 293.4 2108.0 0.215 293.1 2109.0 0.216 292.9 2110.0 0.218 292.6 2111.0 0.219 292.4 2112.0 0.221 292.1 2113.0 0.222 291.9 2114.0 0.224 291.7 2115.0 0.226 291.4 2116.0 0.227 291.2 2117.0 0.229 291.0 2118.0 0.230 290.8 2119.0 0.232 290.5 2120.0 0.233 290.3 2121.0 0.234 290.1 2122.0 0.236 289.9 2123.0 0.237 289.7 2124.0 0.239 289.5 2125.0 0.240 289.3 2126.0 0.242 289.1 2127.0 0.243 288.9 2128.0 0.245 288.7 2129.0 0.246 288.5 2130.0 0.247 288.3 2131.0 0.249 288.1 2132.0 0.250 287.9 2133.0 0.252 287.7 2134.0 0.253 287.5 2135.0 0.254 287.3 2136.0 0.256 287.2 2137.0 0.257 287.0 2138.0 0.258 286.8 2139.0 0.260 286.6 2140.0 0.261 286.5 2141.0 0.262 286.3 2142.0 0.264 286.1 2143.0 0.265 285.9 2144.0 0.266 285.8 2145.0 0.268 285.6 2146.0 0.269 285.5 2147.0 0.270 285.3 2148.0 0.271 285.1 2149.0 0.273 285.0 2150.0 0.274 284.8 2151.0 0.275 284.7 2152.0 0.276 284.5 2153.0 0.278 284.4 2154.0 0.279 284.2 2155.0 0.280 284.1 2156.0 0.281 283.9 2157.0 0.283 283.8 2158.0 0.284 283.6 2159.0 0.285 283.5 2160.0 0.286 283.3 2161.0 0.287 283.2 2162.0 0.288 283.0 2163.0 0.290 282.9 2164.0 0.291 282.8 2165.0 0.292 282.6 2166.0 0.293 282.5 2167.0 0.294 282.3 2168.0 0.295 282.2 2169.0 0.296 282.1 2170.0 0.298 281.9 2171.0 0.299 281.8 2172.0 0.300 281.7 2173.0 0.301 281.5 2174.0 0.302 281.4 2175.0 0.303 281.3 2176.0 0.304 281.2 2177.0 0.305 281.0 2178.0 0.306 280.9 2179.0 0.307 280.8 2180.0 0.308 280.7 2181.0 0.309 280.5 2182.0 0.310 280.4 2183.0 0.311 280.3 2184.0 0.312 280.2 2185.0 0.313 280.0 2186.0 0.314 279.9 2187.0 0.315 279.8 2188.0 0.316 279.7 2189.0 0.317 279.6 2190.0 0.318 279.5 2191.0 0.319 279.3 2192.0 0.320 279.2 2193.0 0.321 279.1 2194.0 0.322 279.0 2195.0 0.323 278.9 2196.0 0.324 278.8 2197.0 0.325 278.7 2198.0 0.326 278.6 2199.0 0.326 278.4 2200.0 0.327 278.3 2201.0 0.328 278.2 2202.0 0.329 278.1 2203.0 0.330 278.0 2204.0 0.331 277.9 2205.0 0.332 277.8 2206.0 0.332 277.7 2207.0 0.333 277.6 2208.0 0.334 277.5 2209.0 0.335 277.4 2210.0 0.336 277.3 2211.0 0.337 277.2 2212.0 0.337 277.1 2213.0 0.338 277.0 2214.0 0.339 276.8 2215.0 0.340 276.7 2216.0 0.340 276.6 2217.0 0.341 276.5 2218.0 0.342 276.4 2219.0 0.343 276.3 2220.0 0.343 276.2 2221.0 0.344 276.1 2222.0 0.345 276.0 2223.0 0.346 275.9 2224.0 0.346 275.8 2225.0 0.347 275.8 2226.0 0.348 275.7 2227.0 0.348 275.6 2228.0 0.349 275.5 2229.0 0.350 275.4 2230.0 0.350 275.3 2231.0 0.351 275.2 2232.0 0.352 275.1 2233.0 0.352 275.0 2234.0 0.353 274.9 2235.0 0.353 274.8 2236.0 0.354 274.7 2237.0 0.355 274.6 2238.0 0.355 274.5 2239.0 0.356 274.4 2240.0 0.356 274.3 2241.0 0.357 274.2 2242.0 0.357 274.1 2243.0 0.358 274.0 2244.0 0.359 274.0 2245.0 0.359 273.9 2246.0 0.360 273.8 2247.0 0.360 273.7 2248.0 0.361 273.6 2249.0 0.361 273.5 2250.0 0.362 273.4 2251.0 0.362 273.3 2252.0 0.363 273.2 2253.0 0.363 273.1 2254.0 0.364 273.1 2255.0 0.364 273.0 2256.0 0.364 272.9 2257.0 0.365 272.8 2258.0 0.365 272.7 2259.0 0.366 272.6 2260.0 0.366 272.5 2261.0 0.367 272.4 2262.0 0.367 272.4 2263.0 0.367 272.3 2264.0 0.368 272.2 2265.0 0.368 272.1 2266.0 0.369 272.0 2267.0 0.369 271.9 2268.0 0.369 271.8 2269.0 0.370 271.7 2270.0 0.370 271.7 2271.0 0.370 271.6 2272.0 0.371 271.5 2273.0 0.371 271.4 2274.0 0.371 271.3