| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:04:05 |
| WDS: | A2157 | WDS ID/Discoverer |
| P: | 619.930 | Orbital period (years) |
| a: | 1.3822 | Semi-major axis (arcseconds) |
| i: | 162.85 | Inclination (degrees) |
| Ω: | 135.96 | Longitude of ascending node (degrees) |
| T: | 2043.770 | Epoch of periastron passage (year) |
| e: | 0.2048 | Eccentricity |
| ω: | 286.72 | Longitude of periastron (degrees) |
| Start-Year: | 1716.0 | Year |
| End-Year: | 2334.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 111614.98+313618.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11162+3136 | WDS designation |
| Discoverer Code: | A2157 | Discover designation and components |
| ADS number: | 8109 | Aitken Double Star catalog |
| HD number: | 97936 | HD catalog number |
| Hipparcos number: | 55055 | Hipparcos catalog number |
| V1: | 9.25 | Magnitude of the primary |
| V2: | 12.21 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1983 | 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 1.058 226.0 ------------------------- 1716.0 1.590 35.8 1717.0 1.591 35.4 1718.0 1.591 35.0 1719.0 1.592 34.5 1720.0 1.592 34.1 1721.0 1.593 33.7 1722.0 1.593 33.3 1723.0 1.594 32.9 1724.0 1.594 32.5 1725.0 1.594 32.1 1726.0 1.595 31.7 1727.0 1.595 31.3 1728.0 1.596 30.9 1729.0 1.596 30.5 1730.0 1.596 30.1 1731.0 1.597 29.6 1732.0 1.597 29.2 1733.0 1.597 28.8 1734.0 1.598 28.4 1735.0 1.598 28.0 1736.0 1.598 27.6 1737.0 1.598 27.2 1738.0 1.599 26.8 1739.0 1.599 26.4 1740.0 1.599 26.0 1741.0 1.599 25.6 1742.0 1.599 25.2 1743.0 1.600 24.8 1744.0 1.600 24.4 1745.0 1.600 24.0 1746.0 1.600 23.6 1747.0 1.600 23.2 1748.0 1.600 22.7 1749.0 1.600 22.3 1750.0 1.600 21.9 1751.0 1.600 21.5 1752.0 1.600 21.1 1753.0 1.600 20.7 1754.0 1.600 20.3 1755.0 1.600 19.9 1756.0 1.600 19.5 1757.0 1.600 19.1 1758.0 1.600 18.7 1759.0 1.600 18.3 1760.0 1.600 17.9 1761.0 1.600 17.5 1762.0 1.600 17.1 1763.0 1.600 16.7 1764.0 1.600 16.3 1765.0 1.600 15.9 1766.0 1.599 15.5 1767.0 1.599 15.0 1768.0 1.599 14.6 1769.0 1.599 14.2 1770.0 1.599 13.8 1771.0 1.598 13.4 1772.0 1.598 13.0 1773.0 1.598 12.6 1774.0 1.597 12.2 1775.0 1.597 11.8 1776.0 1.597 11.4 1777.0 1.596 11.0 1778.0 1.596 10.6 1779.0 1.596 10.2 1780.0 1.595 9.8 1781.0 1.595 9.4 1782.0 1.594 8.9 1783.0 1.594 8.5 1784.0 1.594 8.1 1785.0 1.593 7.7 1786.0 1.593 7.3 1787.0 1.592 6.9 1788.0 1.591 6.5 1789.0 1.591 6.1 1790.0 1.590 5.7 1791.0 1.590 5.3 1792.0 1.589 4.9 1793.0 1.589 4.4 1794.0 1.588 4.0 1795.0 1.587 3.6 1796.0 1.587 3.2 1797.0 1.586 2.8 1798.0 1.585 2.4 1799.0 1.584 2.0 1800.0 1.584 1.6 1801.0 1.583 1.1 1802.0 1.582 0.7 1803.0 1.581 0.3 1804.0 1.581 359.9 1805.0 1.580 359.5 1806.0 1.579 359.1 1807.0 1.578 358.6 1808.0 1.577 358.2 1809.0 1.576 357.8 1810.0 1.575 357.4 1811.0 1.574 357.0 1812.0 1.573 356.6 1813.0 1.572 356.1 1814.0 1.571 355.7 1815.0 1.570 355.3 1816.0 1.569 354.9 1817.0 1.568 354.5 1818.0 1.567 354.0 1819.0 1.566 353.6 1820.0 1.565 353.2 1821.0 1.564 352.8 1822.0 1.563 352.3 1823.0 1.561 351.9 1824.0 1.560 351.5 1825.0 1.559 351.1 1826.0 1.558 350.6 1827.0 1.557 350.2 1828.0 1.555 349.8 1829.0 1.554 349.3 1830.0 1.553 348.9 1831.0 1.551 348.5 1832.0 1.550 348.1 1833.0 1.549 347.6 1834.0 1.547 347.2 1835.0 1.546 346.8 1836.0 1.544 346.3 1837.0 1.543 345.9 1838.0 1.541 345.4 1839.0 1.540 345.0 1840.0 1.538 344.6 1841.0 1.537 344.1 1842.0 1.535 343.7 1843.0 1.534 343.3 1844.0 1.532 342.8 1845.0 1.530 342.4 1846.0 1.529 341.9 1847.0 1.527 341.5 1848.0 1.525 341.0 1849.0 1.524 340.6 1850.0 1.522 340.1 1851.0 1.520 339.7 1852.0 1.518 339.2 1853.0 1.517 338.8 1854.0 1.515 338.3 1855.0 1.513 337.9 1856.0 1.511 337.4 1857.0 1.509 337.0 1858.0 1.507 336.5 1859.0 1.505 336.1 1860.0 1.503 335.6 1861.0 1.501 335.1 1862.0 1.499 334.7 1863.0 1.497 334.2 1864.0 1.495 333.8 1865.0 1.493 333.3 1866.0 1.491 332.8 1867.0 1.489 332.4 1868.0 1.487 331.9 1869.0 1.485 331.4 1870.0 1.483 331.0 1871.0 1.480 330.5 1872.0 1.478 330.0 1873.0 1.476 329.5 1874.0 1.474 329.1 1875.0 1.471 328.6 1876.0 1.469 328.1 1877.0 1.467 327.6 1878.0 1.465 327.1 1879.0 1.462 326.6 1880.0 1.460 326.2 1881.0 1.457 325.7 1882.0 1.455 325.2 1883.0 1.452 324.7 1884.0 1.450 324.2 1885.0 1.448 323.7 1886.0 1.445 323.2 1887.0 1.442 322.7 1888.0 1.440 322.2 1889.0 1.437 321.7 1890.0 1.435 321.2 1891.0 1.432 320.7 1892.0 1.430 320.2 1893.0 1.427 319.7 1894.0 1.424 319.2 1895.0 1.422 318.7 1896.0 1.419 318.1 1897.0 1.416 317.6 1898.0 1.413 317.1 1899.0 1.411 316.6 1900.0 1.408 316.1 1901.0 1.405 315.5 1902.0 1.402 315.0 1903.0 1.399 314.5 1904.0 1.396 314.0 1905.0 1.393 313.4 1906.0 1.391 312.9 1907.0 1.388 312.4 1908.0 1.385 311.8 1909.0 1.382 311.3 1910.0 1.379 310.7 1911.0 1.376 310.2 1912.0 1.373 309.6 1913.0 1.370 309.1 1914.0 1.367 308.5 1915.0 1.364 308.0 1916.0 1.361 307.4 1917.0 1.357 306.8 1918.0 1.354 306.3 1919.0 1.351 305.7 1920.0 1.348 305.1 1921.0 1.345 304.6 1922.0 1.342 304.0 1923.0 1.339 303.4 1924.0 1.335 302.8 1925.0 1.332 302.3 1926.0 1.329 301.7 1927.0 1.326 301.1 1928.0 1.322 300.5 1929.0 1.319 299.9 1930.0 1.316 299.3 1931.0 1.313 298.7 1932.0 1.309 298.1 1933.0 1.306 297.5 1934.0 1.303 296.9 1935.0 1.299 296.3 1936.0 1.296 295.6 1937.0 1.293 295.0 1938.0 1.289 294.4 1939.0 1.286 293.8 1940.0 1.283 293.1 1941.0 1.279 292.5 1942.0 1.276 291.9 1943.0 1.273 291.2 1944.0 1.269 290.6 1945.0 1.266 290.0 1946.0 1.262 289.3 1947.0 1.259 288.7 1948.0 1.256 288.0 1949.0 1.252 287.3 1950.0 1.249 286.7 1951.0 1.245 286.0 1952.0 1.242 285.3 1953.0 1.239 284.7 1954.0 1.235 284.0 1955.0 1.232 283.3 1956.0 1.229 282.6 1957.0 1.225 281.9 1958.0 1.222 281.2 1959.0 1.218 280.5 1960.0 1.215 279.8 1961.0 1.212 279.1 1962.0 1.208 278.4 1963.0 1.205 277.7 1964.0 1.202 277.0 1965.0 1.198 276.3 1966.0 1.195 275.5 1967.0 1.192 274.8 1968.0 1.189 274.1 1969.0 1.185 273.3 1970.0 1.182 272.6 1971.0 1.179 271.9 1972.0 1.176 271.1 1973.0 1.172 270.4 1974.0 1.169 269.6 1975.0 1.166 268.8 1976.0 1.163 268.1 1977.0 1.160 267.3 1978.0 1.157 266.5 1979.0 1.154 265.8 1980.0 1.151 265.0 1981.0 1.148 264.2 1982.0 1.145 263.4 1983.0 1.142 262.6 1984.0 1.139 261.8 1985.0 1.136 261.0 1986.0 1.133 260.2 1987.0 1.130 259.4 1988.0 1.128 258.6 1989.0 1.125 257.8 1990.0 1.122 256.9 1991.0 1.119 256.1 1992.0 1.117 255.3 1993.0 1.114 254.4 1994.0 1.112 253.6 1995.0 1.109 252.8 1996.0 1.107 251.9 1997.0 1.104 251.1 1998.0 1.102 250.2 1999.0 1.100 249.4 2000.0 1.097 248.5 2001.0 1.095 247.6 2002.0 1.093 246.8 2003.0 1.091 245.9 2004.0 1.089 245.0 2005.0 1.087 244.2 2006.0 1.085 243.3 2007.0 1.083 242.4 2008.0 1.081 241.5 2009.0 1.079 240.6 2010.0 1.077 239.7 2011.0 1.075 238.8 2012.0 1.074 237.9 2013.0 1.072 237.0 2014.0 1.071 236.1 2015.0 1.069 235.2 2016.0 1.068 234.3 2017.0 1.066 233.4 2018.0 1.065 232.5 2019.0 1.064 231.6 2020.0 1.063 230.6 2021.0 1.062 229.7 2022.0 1.061 228.8 2023.0 1.060 227.9 2024.0 1.059 227.0 2025.0 1.058 226.0 2026.0 1.057 225.1 2027.0 1.056 224.2 2028.0 1.056 223.2 2029.0 1.055 222.3 2030.0 1.055 221.4 2031.0 1.054 220.4 2032.0 1.054 219.5 2033.0 1.054 218.6 2034.0 1.053 217.6 2035.0 1.053 216.7 2036.0 1.053 215.8 2037.0 1.053 214.8 2038.0 1.053 213.9 2039.0 1.053 213.0 2040.0 1.053 212.0 2041.0 1.053 211.1 2042.0 1.054 210.2 2043.0 1.054 209.2 2044.0 1.054 208.3 2045.0 1.055 207.4 2046.0 1.056 206.4 2047.0 1.056 205.5 2048.0 1.057 204.6 2049.0 1.058 203.6 2050.0 1.058 202.7 2051.0 1.059 201.8 2052.0 1.060 200.9 2053.0 1.061 199.9 2054.0 1.062 199.0 2055.0 1.063 198.1 2056.0 1.064 197.2 2057.0 1.066 196.3 2058.0 1.067 195.4 2059.0 1.068 194.4 2060.0 1.069 193.5 2061.0 1.071 192.6 2062.0 1.072 191.7 2063.0 1.074 190.8 2064.0 1.075 189.9 2065.0 1.077 189.0 2066.0 1.079 188.1 2067.0 1.080 187.2 2068.0 1.082 186.4 2069.0 1.084 185.5 2070.0 1.086 184.6 2071.0 1.088 183.7 2072.0 1.090 182.8 2073.0 1.092 182.0 2074.0 1.094 181.1 2075.0 1.096 180.2 2076.0 1.098 179.4 2077.0 1.100 178.5 2078.0 1.102 177.7 2079.0 1.104 176.8 2080.0 1.107 176.0 2081.0 1.109 175.1 2082.0 1.111 174.3 2083.0 1.114 173.4 2084.0 1.116 172.6 2085.0 1.118 171.8 2086.0 1.121 170.9 2087.0 1.123 170.1 2088.0 1.126 169.3 2089.0 1.128 168.5 2090.0 1.131 167.7 2091.0 1.133 166.9 2092.0 1.136 166.0 2093.0 1.139 165.2 2094.0 1.141 164.4 2095.0 1.144 163.6 2096.0 1.146 162.9 2097.0 1.149 162.1 2098.0 1.152 161.3 2099.0 1.154 160.5 2100.0 1.157 159.7 2101.0 1.160 159.0 2102.0 1.163 158.2 2103.0 1.165 157.4 2104.0 1.168 156.7 2105.0 1.171 155.9 2106.0 1.174 155.1 2107.0 1.177 154.4 2108.0 1.179 153.6 2109.0 1.182 152.9 2110.0 1.185 152.2 2111.0 1.188 151.4 2112.0 1.191 150.7 2113.0 1.193 150.0 2114.0 1.196 149.2 2115.0 1.199 148.5 2116.0 1.202 147.8 2117.0 1.205 147.1 2118.0 1.208 146.4 2119.0 1.210 145.6 2120.0 1.213 144.9 2121.0 1.216 144.2 2122.0 1.219 143.5 2123.0 1.222 142.8 2124.0 1.225 142.1 2125.0 1.228 141.5 2126.0 1.230 140.8 2127.0 1.233 140.1 2128.0 1.236 139.4 2129.0 1.239 138.7 2130.0 1.242 138.1 2131.0 1.245 137.4 2132.0 1.247 136.7 2133.0 1.250 136.1 2134.0 1.253 135.4 2135.0 1.256 134.7 2136.0 1.259 134.1 2137.0 1.261 133.4 2138.0 1.264 132.8 2139.0 1.267 132.1 2140.0 1.270 131.5 2141.0 1.272 130.8 2142.0 1.275 130.2 2143.0 1.278 129.6 2144.0 1.281 128.9 2145.0 1.283 128.3 2146.0 1.286 127.7 2147.0 1.289 127.0 2148.0 1.291 126.4 2149.0 1.294 125.8 2150.0 1.297 125.2 2151.0 1.299 124.6 2152.0 1.302 123.9 2153.0 1.305 123.3 2154.0 1.307 122.7 2155.0 1.310 122.1 2156.0 1.313 121.5 2157.0 1.315 120.9 2158.0 1.318 120.3 2159.0 1.320 119.7 2160.0 1.323 119.1 2161.0 1.326 118.5 2162.0 1.328 117.9 2163.0 1.331 117.4 2164.0 1.333 116.8 2165.0 1.336 116.2 2166.0 1.338 115.6 2167.0 1.341 115.0 2168.0 1.343 114.5 2169.0 1.346 113.9 2170.0 1.348 113.3 2171.0 1.350 112.7 2172.0 1.353 112.2 2173.0 1.355 111.6 2174.0 1.358 111.0 2175.0 1.360 110.5 2176.0 1.362 109.9 2177.0 1.365 109.4 2178.0 1.367 108.8 2179.0 1.369 108.3 2180.0 1.372 107.7 2181.0 1.374 107.1 2182.0 1.376 106.6 2183.0 1.379 106.1 2184.0 1.381 105.5 2185.0 1.383 105.0 2186.0 1.385 104.4 2187.0 1.388 103.9 2188.0 1.390 103.3 2189.0 1.392 102.8 2190.0 1.394 102.3 2191.0 1.397 101.7 2192.0 1.399 101.2 2193.0 1.401 100.7 2194.0 1.403 100.2 2195.0 1.405 99.6 2196.0 1.407 99.1 2197.0 1.409 98.6 2198.0 1.411 98.1 2199.0 1.414 97.5 2200.0 1.416 97.0 2201.0 1.418 96.5 2202.0 1.420 96.0 2203.0 1.422 95.5 2204.0 1.424 95.0 2205.0 1.426 94.4 2206.0 1.428 93.9 2207.0 1.430 93.4 2208.0 1.432 92.9 2209.0 1.434 92.4 2210.0 1.436 91.9 2211.0 1.438 91.4 2212.0 1.439 90.9 2213.0 1.441 90.4 2214.0 1.443 89.9 2215.0 1.445 89.4 2216.0 1.447 88.9 2217.0 1.449 88.4 2218.0 1.451 87.9 2219.0 1.453 87.4 2220.0 1.454 86.9 2221.0 1.456 86.5 2222.0 1.458 86.0 2223.0 1.460 85.5 2224.0 1.462 85.0 2225.0 1.463 84.5 2226.0 1.465 84.0 2227.0 1.467 83.5 2228.0 1.469 83.1 2229.0 1.470 82.6 2230.0 1.472 82.1 2231.0 1.474 81.6 2232.0 1.475 81.1 2233.0 1.477 80.7 2234.0 1.479 80.2 2235.0 1.480 79.7 2236.0 1.482 79.2 2237.0 1.484 78.8 2238.0 1.485 78.3 2239.0 1.487 77.8 2240.0 1.489 77.4 2241.0 1.490 76.9 2242.0 1.492 76.4 2243.0 1.493 76.0 2244.0 1.495 75.5 2245.0 1.496 75.0 2246.0 1.498 74.6 2247.0 1.499 74.1 2248.0 1.501 73.6 2249.0 1.502 73.2 2250.0 1.504 72.7 2251.0 1.505 72.3 2252.0 1.507 71.8 2253.0 1.508 71.4 2254.0 1.510 70.9 2255.0 1.511 70.4 2256.0 1.513 70.0 2257.0 1.514 69.5 2258.0 1.515 69.1 2259.0 1.517 68.6 2260.0 1.518 68.2 2261.0 1.519 67.7 2262.0 1.521 67.3 2263.0 1.522 66.8 2264.0 1.524 66.4 2265.0 1.525 65.9 2266.0 1.526 65.5 2267.0 1.527 65.1 2268.0 1.529 64.6 2269.0 1.530 64.2 2270.0 1.531 63.7 2271.0 1.533 63.3 2272.0 1.534 62.8 2273.0 1.535 62.4 2274.0 1.536 62.0 2275.0 1.537 61.5 2276.0 1.539 61.1 2277.0 1.540 60.6 2278.0 1.541 60.2 2279.0 1.542 59.8 2280.0 1.543 59.3 2281.0 1.544 58.9 2282.0 1.546 58.5 2283.0 1.547 58.0 2284.0 1.548 57.6 2285.0 1.549 57.2 2286.0 1.550 56.7 2287.0 1.551 56.3 2288.0 1.552 55.9 2289.0 1.553 55.4 2290.0 1.554 55.0 2291.0 1.555 54.6 2292.0 1.556 54.1 2293.0 1.557 53.7 2294.0 1.558 53.3 2295.0 1.559 52.9 2296.0 1.560 52.4 2297.0 1.561 52.0 2298.0 1.562 51.6 2299.0 1.563 51.2 2300.0 1.564 50.7 2301.0 1.565 50.3 2302.0 1.566 49.9 2303.0 1.567 49.5 2304.0 1.568 49.0 2305.0 1.569 48.6 2306.0 1.570 48.2 2307.0 1.570 47.8 2308.0 1.571 47.4 2309.0 1.572 46.9 2310.0 1.573 46.5 2311.0 1.574 46.1 2312.0 1.575 45.7 2313.0 1.575 45.3 2314.0 1.576 44.8 2315.0 1.577 44.4 2316.0 1.578 44.0 2317.0 1.578 43.6 2318.0 1.579 43.2 2319.0 1.580 42.8 2320.0 1.581 42.4 2321.0 1.581 41.9 2322.0 1.582 41.5 2323.0 1.583 41.1 2324.0 1.583 40.7 2325.0 1.584 40.3 2326.0 1.585 39.9 2327.0 1.585 39.5 2328.0 1.586 39.0 2329.0 1.587 38.6 2330.0 1.587 38.2 2331.0 1.588 37.8 2332.0 1.588 37.4 2333.0 1.589 37.0