| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:58:39 |
| WDS: | STT357 | WDS ID/Discoverer |
| P: | 411.100 | Orbital period (years) |
| a: | 0.511 | Semi-major axis (arcseconds) |
| i: | 124.8 | Inclination (degrees) |
| Ω: | 93.8 | Longitude of ascending node (degrees) |
| T: | 1968.324 | Epoch of periastron passage (year) |
| e: | 0.317 | Eccentricity |
| ω: | 321.9 | Longitude of periastron (degrees) |
| Start-Year: | 1820.0 | Year |
| End-Year: | 2230.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 183557.08+114342.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18360+1144 | WDS designation |
| Discoverer Code: | STT357 | Discover designation and components |
| ADS number: | 11484 | Aitken Double Star catalog |
| HD number: | 171728 | HD catalog number |
| Hipparcos number: | 91167 | Hipparcos catalog number |
| V1: | 8.08 | Magnitude of the primary |
| V2: | 8.87 | 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: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.359 63.0 ------------------------- 1820.0 0.631 279.4 1821.0 0.631 279.0 1822.0 0.630 278.7 1823.0 0.629 278.4 1824.0 0.629 278.1 1825.0 0.628 277.8 1826.0 0.627 277.5 1827.0 0.626 277.2 1828.0 0.625 276.9 1829.0 0.624 276.5 1830.0 0.623 276.2 1831.0 0.622 275.9 1832.0 0.620 275.6 1833.0 0.619 275.3 1834.0 0.618 274.9 1835.0 0.616 274.6 1836.0 0.615 274.3 1837.0 0.613 273.9 1838.0 0.612 273.6 1839.0 0.610 273.3 1840.0 0.608 273.0 1841.0 0.606 272.6 1842.0 0.604 272.3 1843.0 0.603 271.9 1844.0 0.601 271.6 1845.0 0.598 271.3 1846.0 0.596 270.9 1847.0 0.594 270.6 1848.0 0.592 270.2 1849.0 0.590 269.9 1850.0 0.587 269.5 1851.0 0.585 269.1 1852.0 0.582 268.8 1853.0 0.580 268.4 1854.0 0.577 268.0 1855.0 0.574 267.7 1856.0 0.571 267.3 1857.0 0.569 266.9 1858.0 0.566 266.5 1859.0 0.563 266.1 1860.0 0.560 265.7 1861.0 0.557 265.3 1862.0 0.553 264.9 1863.0 0.550 264.5 1864.0 0.547 264.1 1865.0 0.543 263.7 1866.0 0.540 263.3 1867.0 0.536 262.9 1868.0 0.533 262.4 1869.0 0.529 262.0 1870.0 0.525 261.5 1871.0 0.522 261.1 1872.0 0.518 260.6 1873.0 0.514 260.2 1874.0 0.510 259.7 1875.0 0.506 259.2 1876.0 0.502 258.7 1877.0 0.498 258.2 1878.0 0.493 257.7 1879.0 0.489 257.2 1880.0 0.485 256.7 1881.0 0.480 256.2 1882.0 0.476 255.6 1883.0 0.471 255.1 1884.0 0.467 254.5 1885.0 0.462 253.9 1886.0 0.457 253.3 1887.0 0.452 252.7 1888.0 0.447 252.1 1889.0 0.443 251.5 1890.0 0.438 250.9 1891.0 0.433 250.2 1892.0 0.428 249.5 1893.0 0.422 248.9 1894.0 0.417 248.2 1895.0 0.412 247.4 1896.0 0.407 246.7 1897.0 0.402 245.9 1898.0 0.396 245.2 1899.0 0.391 244.4 1900.0 0.385 243.5 1901.0 0.380 242.7 1902.0 0.375 241.8 1903.0 0.369 240.9 1904.0 0.364 240.0 1905.0 0.358 239.1 1906.0 0.353 238.1 1907.0 0.347 237.1 1908.0 0.342 236.0 1909.0 0.336 234.9 1910.0 0.331 233.8 1911.0 0.325 232.7 1912.0 0.320 231.5 1913.0 0.314 230.3 1914.0 0.309 229.0 1915.0 0.303 227.7 1916.0 0.298 226.3 1917.0 0.293 224.9 1918.0 0.288 223.4 1919.0 0.283 221.9 1920.0 0.278 220.3 1921.0 0.273 218.7 1922.0 0.268 217.0 1923.0 0.263 215.2 1924.0 0.259 213.4 1925.0 0.254 211.5 1926.0 0.250 209.6 1927.0 0.246 207.6 1928.0 0.242 205.5 1929.0 0.239 203.3 1930.0 0.236 201.1 1931.0 0.232 198.9 1932.0 0.230 196.6 1933.0 0.227 194.2 1934.0 0.225 191.8 1935.0 0.223 189.3 1936.0 0.221 186.8 1937.0 0.220 184.2 1938.0 0.219 181.6 1939.0 0.218 179.0 1940.0 0.217 176.4 1941.0 0.217 173.8 1942.0 0.218 171.2 1943.0 0.218 168.6 1944.0 0.219 166.0 1945.0 0.220 163.4 1946.0 0.222 160.9 1947.0 0.224 158.4 1948.0 0.226 155.9 1949.0 0.228 153.5 1950.0 0.230 151.2 1951.0 0.233 148.9 1952.0 0.236 146.6 1953.0 0.240 144.4 1954.0 0.243 142.3 1955.0 0.246 140.2 1956.0 0.250 138.2 1957.0 0.254 136.3 1958.0 0.258 134.4 1959.0 0.262 132.6 1960.0 0.266 130.8 1961.0 0.270 129.1 1962.0 0.274 127.4 1963.0 0.279 125.8 1964.0 0.283 124.2 1965.0 0.287 122.7 1966.0 0.291 121.2 1967.0 0.295 119.8 1968.0 0.300 118.4 1969.0 0.304 117.0 1970.0 0.308 115.7 1971.0 0.312 114.4 1972.0 0.316 113.1 1973.0 0.319 111.9 1974.0 0.323 110.7 1975.0 0.327 109.5 1976.0 0.330 108.4 1977.0 0.334 107.3 1978.0 0.337 106.2 1979.0 0.340 105.1 1980.0 0.343 104.0 1981.0 0.346 103.0 1982.0 0.349 102.0 1983.0 0.352 100.9 1984.0 0.355 100.0 1985.0 0.357 99.0 1986.0 0.359 98.0 1987.0 0.361 97.1 1988.0 0.363 96.1 1989.0 0.365 95.2 1990.0 0.367 94.3 1991.0 0.369 93.3 1992.0 0.370 92.4 1993.0 0.371 91.5 1994.0 0.373 90.6 1995.0 0.374 89.8 1996.0 0.375 88.9 1997.0 0.376 88.0 1998.0 0.376 87.1 1999.0 0.377 86.2 2000.0 0.377 85.4 2001.0 0.378 84.5 2002.0 0.378 83.6 2003.0 0.378 82.8 2004.0 0.378 81.9 2005.0 0.378 81.0 2006.0 0.378 80.2 2007.0 0.377 79.3 2008.0 0.377 78.4 2009.0 0.376 77.6 2010.0 0.376 76.7 2011.0 0.375 75.8 2012.0 0.374 74.9 2013.0 0.373 74.0 2014.0 0.373 73.1 2015.0 0.372 72.2 2016.0 0.370 71.3 2017.0 0.369 70.4 2018.0 0.368 69.5 2019.0 0.367 68.6 2020.0 0.366 67.7 2021.0 0.364 66.8 2022.0 0.363 65.8 2023.0 0.362 64.9 2024.0 0.360 63.9 2025.0 0.359 63.0 2026.0 0.357 62.0 2027.0 0.356 61.0 2028.0 0.354 60.1 2029.0 0.353 59.1 2030.0 0.351 58.1 2031.0 0.350 57.1 2032.0 0.348 56.1 2033.0 0.347 55.0 2034.0 0.345 54.0 2035.0 0.344 52.9 2036.0 0.342 51.9 2037.0 0.341 50.8 2038.0 0.339 49.8 2039.0 0.338 48.7 2040.0 0.336 47.6 2041.0 0.335 46.5 2042.0 0.333 45.4 2043.0 0.332 44.3 2044.0 0.331 43.1 2045.0 0.330 42.0 2046.0 0.328 40.9 2047.0 0.327 39.7 2048.0 0.326 38.6 2049.0 0.325 37.4 2050.0 0.324 36.2 2051.0 0.323 35.0 2052.0 0.322 33.8 2053.0 0.322 32.6 2054.0 0.321 31.4 2055.0 0.320 30.2 2056.0 0.320 29.0 2057.0 0.319 27.8 2058.0 0.319 26.6 2059.0 0.318 25.4 2060.0 0.318 24.2 2061.0 0.318 22.9 2062.0 0.318 21.7 2063.0 0.318 20.5 2064.0 0.318 19.3 2065.0 0.318 18.0 2066.0 0.318 16.8 2067.0 0.319 15.6 2068.0 0.319 14.4 2069.0 0.319 13.2 2070.0 0.320 12.0 2071.0 0.321 10.8 2072.0 0.321 9.5 2073.0 0.322 8.4 2074.0 0.323 7.2 2075.0 0.324 6.0 2076.0 0.325 4.8 2077.0 0.326 3.6 2078.0 0.328 2.5 2079.0 0.329 1.3 2080.0 0.330 0.2 2081.0 0.332 359.1 2082.0 0.333 357.9 2083.0 0.335 356.8 2084.0 0.336 355.7 2085.0 0.338 354.6 2086.0 0.340 353.6 2087.0 0.342 352.5 2088.0 0.344 351.5 2089.0 0.346 350.4 2090.0 0.348 349.4 2091.0 0.350 348.4 2092.0 0.352 347.4 2093.0 0.354 346.4 2094.0 0.357 345.4 2095.0 0.359 344.4 2096.0 0.362 343.5 2097.0 0.364 342.5 2098.0 0.366 341.6 2099.0 0.369 340.7 2100.0 0.372 339.8 2101.0 0.374 338.9 2102.0 0.377 338.0 2103.0 0.380 337.2 2104.0 0.382 336.3 2105.0 0.385 335.5 2106.0 0.388 334.6 2107.0 0.391 333.8 2108.0 0.394 333.0 2109.0 0.396 332.2 2110.0 0.399 331.4 2111.0 0.402 330.7 2112.0 0.405 329.9 2113.0 0.408 329.2 2114.0 0.411 328.4 2115.0 0.414 327.7 2116.0 0.417 327.0 2117.0 0.420 326.3 2118.0 0.423 325.6 2119.0 0.426 324.9 2120.0 0.430 324.2 2121.0 0.433 323.6 2122.0 0.436 322.9 2123.0 0.439 322.2 2124.0 0.442 321.6 2125.0 0.445 321.0 2126.0 0.448 320.4 2127.0 0.451 319.7 2128.0 0.454 319.1 2129.0 0.457 318.5 2130.0 0.460 318.0 2131.0 0.464 317.4 2132.0 0.467 316.8 2133.0 0.470 316.2 2134.0 0.473 315.7 2135.0 0.476 315.1 2136.0 0.479 314.6 2137.0 0.482 314.1 2138.0 0.485 313.5 2139.0 0.488 313.0 2140.0 0.491 312.5 2141.0 0.494 312.0 2142.0 0.497 311.5 2143.0 0.500 311.0 2144.0 0.503 310.5 2145.0 0.506 310.0 2146.0 0.509 309.5 2147.0 0.512 309.0 2148.0 0.515 308.6 2149.0 0.517 308.1 2150.0 0.520 307.6 2151.0 0.523 307.2 2152.0 0.526 306.7 2153.0 0.529 306.3 2154.0 0.531 305.9 2155.0 0.534 305.4 2156.0 0.537 305.0 2157.0 0.540 304.6 2158.0 0.542 304.1 2159.0 0.545 303.7 2160.0 0.547 303.3 2161.0 0.550 302.9 2162.0 0.552 302.5 2163.0 0.555 302.1 2164.0 0.557 301.7 2165.0 0.560 301.3 2166.0 0.562 300.9 2167.0 0.565 300.5 2168.0 0.567 300.1 2169.0 0.569 299.7 2170.0 0.572 299.4 2171.0 0.574 299.0 2172.0 0.576 298.6 2173.0 0.578 298.2 2174.0 0.580 297.9 2175.0 0.583 297.5 2176.0 0.585 297.1 2177.0 0.587 296.8 2178.0 0.589 296.4 2179.0 0.591 296.1 2180.0 0.593 295.7 2181.0 0.594 295.4 2182.0 0.596 295.0 2183.0 0.598 294.7 2184.0 0.600 294.3 2185.0 0.602 294.0 2186.0 0.603 293.6 2187.0 0.605 293.3 2188.0 0.607 293.0 2189.0 0.608 292.6 2190.0 0.610 292.3 2191.0 0.611 292.0 2192.0 0.613 291.6 2193.0 0.614 291.3 2194.0 0.615 291.0 2195.0 0.617 290.6 2196.0 0.618 290.3 2197.0 0.619 290.0 2198.0 0.620 289.7 2199.0 0.621 289.3 2200.0 0.623 289.0 2201.0 0.624 288.7 2202.0 0.625 288.4 2203.0 0.626 288.1 2204.0 0.626 287.8 2205.0 0.627 287.4 2206.0 0.628 287.1 2207.0 0.629 286.8 2208.0 0.630 286.5 2209.0 0.630 286.2 2210.0 0.631 285.9 2211.0 0.631 285.6 2212.0 0.632 285.3 2213.0 0.632 284.9 2214.0 0.633 284.6 2215.0 0.633 284.3 2216.0 0.633 284.0 2217.0 0.634 283.7 2218.0 0.634 283.4 2219.0 0.634 283.1 2220.0 0.634 282.8 2221.0 0.634 282.5 2222.0 0.634 282.2 2223.0 0.634 281.9 2224.0 0.634 281.6 2225.0 0.634 281.2 2226.0 0.633 280.9 2227.0 0.633 280.6 2228.0 0.633 280.3 2229.0 0.632 280.0