| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:43:09 |
| WDS: | STF2130AB | WDS ID/Discoverer |
| P: | 424.271 | Orbital period (years) |
| a: | 2.95817 | Semi-major axis (arcseconds) |
| i: | 146.569 | Inclination (degrees) |
| Ω: | 128.828 | Longitude of ascending node (degrees) |
| T: | 1938.848 | Epoch of periastron passage (year) |
| e: | 0.22128 | Eccentricity |
| ω: | 31.365 | Longitude of periastron (degrees) |
| Start-Year: | 1813.0 | Year |
| End-Year: | 2237.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 170520.20+542814.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17053+5428 | WDS designation |
| Discoverer Code: | STF2130AB | Discover designation and components |
| ADS number: | 10345 | Aitken Double Star catalog |
| HD number: | 154905 | HD catalog number |
| Hipparcos number: | 83608 | Hipparcos catalog number |
| V1: | 5.66 | Magnitude of the primary |
| V2: | 5.69 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 2.637 353.7 ------------------------- 1813.0 2.735 227.6 1814.0 2.727 226.8 1815.0 2.718 226.0 1816.0 2.710 225.2 1817.0 2.702 224.3 1818.0 2.695 223.5 1819.0 2.687 222.7 1820.0 2.679 221.8 1821.0 2.672 221.0 1822.0 2.665 220.2 1823.0 2.657 219.3 1824.0 2.650 218.4 1825.0 2.643 217.6 1826.0 2.636 216.7 1827.0 2.630 215.8 1828.0 2.623 215.0 1829.0 2.617 214.1 1830.0 2.611 213.2 1831.0 2.604 212.3 1832.0 2.598 211.4 1833.0 2.592 210.5 1834.0 2.587 209.6 1835.0 2.581 208.7 1836.0 2.576 207.8 1837.0 2.570 206.9 1838.0 2.565 206.0 1839.0 2.560 205.1 1840.0 2.555 204.1 1841.0 2.551 203.2 1842.0 2.546 202.3 1843.0 2.542 201.3 1844.0 2.537 200.4 1845.0 2.533 199.5 1846.0 2.529 198.5 1847.0 2.525 197.6 1848.0 2.522 196.6 1849.0 2.518 195.7 1850.0 2.515 194.7 1851.0 2.511 193.8 1852.0 2.508 192.8 1853.0 2.505 191.8 1854.0 2.502 190.9 1855.0 2.500 189.9 1856.0 2.497 188.9 1857.0 2.494 188.0 1858.0 2.492 187.0 1859.0 2.490 186.0 1860.0 2.487 185.0 1861.0 2.485 184.1 1862.0 2.483 183.1 1863.0 2.481 182.1 1864.0 2.480 181.1 1865.0 2.478 180.1 1866.0 2.476 179.2 1867.0 2.475 178.2 1868.0 2.473 177.2 1869.0 2.472 176.2 1870.0 2.470 175.2 1871.0 2.469 174.2 1872.0 2.468 173.2 1873.0 2.467 172.2 1874.0 2.466 171.2 1875.0 2.464 170.2 1876.0 2.463 169.3 1877.0 2.462 168.3 1878.0 2.461 167.3 1879.0 2.460 166.3 1880.0 2.459 165.3 1881.0 2.458 164.3 1882.0 2.457 163.3 1883.0 2.455 162.3 1884.0 2.454 161.3 1885.0 2.453 160.3 1886.0 2.452 159.2 1887.0 2.451 158.2 1888.0 2.449 157.2 1889.0 2.448 156.2 1890.0 2.446 155.2 1891.0 2.445 154.2 1892.0 2.443 153.2 1893.0 2.441 152.2 1894.0 2.439 151.2 1895.0 2.437 150.2 1896.0 2.435 149.1 1897.0 2.433 148.1 1898.0 2.431 147.1 1899.0 2.428 146.1 1900.0 2.426 145.0 1901.0 2.423 144.0 1902.0 2.420 143.0 1903.0 2.417 141.9 1904.0 2.414 140.9 1905.0 2.411 139.9 1906.0 2.407 138.8 1907.0 2.404 137.8 1908.0 2.400 136.7 1909.0 2.396 135.7 1910.0 2.392 134.6 1911.0 2.387 133.6 1912.0 2.383 132.5 1913.0 2.378 131.5 1914.0 2.374 130.4 1915.0 2.369 129.3 1916.0 2.363 128.2 1917.0 2.358 127.1 1918.0 2.352 126.1 1919.0 2.347 125.0 1920.0 2.341 123.9 1921.0 2.335 122.8 1922.0 2.329 121.6 1923.0 2.322 120.5 1924.0 2.316 119.4 1925.0 2.309 118.3 1926.0 2.302 117.1 1927.0 2.295 116.0 1928.0 2.288 114.8 1929.0 2.281 113.7 1930.0 2.274 112.5 1931.0 2.267 111.3 1932.0 2.259 110.2 1933.0 2.252 109.0 1934.0 2.244 107.8 1935.0 2.237 106.6 1936.0 2.229 105.4 1937.0 2.221 104.1 1938.0 2.213 102.9 1939.0 2.206 101.7 1940.0 2.198 100.4 1941.0 2.190 99.2 1942.0 2.183 97.9 1943.0 2.175 96.6 1944.0 2.168 95.4 1945.0 2.160 94.1 1946.0 2.153 92.8 1947.0 2.146 91.5 1948.0 2.139 90.1 1949.0 2.132 88.8 1950.0 2.125 87.5 1951.0 2.118 86.1 1952.0 2.112 84.8 1953.0 2.106 83.4 1954.0 2.100 82.1 1955.0 2.094 80.7 1956.0 2.089 79.3 1957.0 2.084 77.9 1958.0 2.079 76.5 1959.0 2.075 75.1 1960.0 2.071 73.7 1961.0 2.067 72.3 1962.0 2.064 70.9 1963.0 2.061 69.5 1964.0 2.058 68.0 1965.0 2.056 66.6 1966.0 2.054 65.2 1967.0 2.053 63.8 1968.0 2.052 62.3 1969.0 2.052 60.9 1970.0 2.052 59.4 1971.0 2.052 58.0 1972.0 2.053 56.6 1973.0 2.055 55.1 1974.0 2.056 53.7 1975.0 2.059 52.3 1976.0 2.062 50.9 1977.0 2.065 49.4 1978.0 2.069 48.0 1979.0 2.073 46.6 1980.0 2.078 45.2 1981.0 2.083 43.8 1982.0 2.088 42.4 1983.0 2.094 41.0 1984.0 2.101 39.7 1985.0 2.108 38.3 1986.0 2.116 37.0 1987.0 2.123 35.6 1988.0 2.132 34.3 1989.0 2.141 33.0 1990.0 2.150 31.6 1991.0 2.159 30.3 1992.0 2.169 29.0 1993.0 2.180 27.8 1994.0 2.190 26.5 1995.0 2.201 25.2 1996.0 2.213 24.0 1997.0 2.225 22.8 1998.0 2.237 21.6 1999.0 2.249 20.4 2000.0 2.262 19.2 2001.0 2.275 18.0 2002.0 2.288 16.8 2003.0 2.301 15.7 2004.0 2.315 14.6 2005.0 2.329 13.4 2006.0 2.343 12.3 2007.0 2.357 11.2 2008.0 2.372 10.2 2009.0 2.387 9.1 2010.0 2.402 8.0 2011.0 2.417 7.0 2012.0 2.432 6.0 2013.0 2.447 4.9 2014.0 2.463 3.9 2015.0 2.478 3.0 2016.0 2.494 2.0 2017.0 2.510 1.0 2018.0 2.525 0.1 2019.0 2.541 359.1 2020.0 2.557 358.2 2021.0 2.573 357.3 2022.0 2.589 356.4 2023.0 2.605 355.5 2024.0 2.621 354.6 2025.0 2.637 353.7 2026.0 2.654 352.8 2027.0 2.670 352.0 2028.0 2.686 351.1 2029.0 2.702 350.3 2030.0 2.718 349.5 2031.0 2.734 348.7 2032.0 2.749 347.9 2033.0 2.765 347.1 2034.0 2.781 346.3 2035.0 2.797 345.5 2036.0 2.812 344.7 2037.0 2.828 344.0 2038.0 2.843 343.2 2039.0 2.859 342.5 2040.0 2.874 341.8 2041.0 2.889 341.0 2042.0 2.904 340.3 2043.0 2.919 339.6 2044.0 2.934 338.9 2045.0 2.949 338.2 2046.0 2.963 337.5 2047.0 2.978 336.8 2048.0 2.992 336.1 2049.0 3.006 335.5 2050.0 3.020 334.8 2051.0 3.034 334.1 2052.0 3.048 333.5 2053.0 3.061 332.8 2054.0 3.075 332.2 2055.0 3.088 331.6 2056.0 3.101 330.9 2057.0 3.114 330.3 2058.0 3.127 329.7 2059.0 3.139 329.1 2060.0 3.151 328.5 2061.0 3.164 327.9 2062.0 3.176 327.3 2063.0 3.188 326.7 2064.0 3.199 326.1 2065.0 3.211 325.5 2066.0 3.222 324.9 2067.0 3.233 324.3 2068.0 3.244 323.7 2069.0 3.255 323.2 2070.0 3.265 322.6 2071.0 3.276 322.0 2072.0 3.286 321.5 2073.0 3.296 320.9 2074.0 3.306 320.4 2075.0 3.315 319.8 2076.0 3.324 319.3 2077.0 3.334 318.7 2078.0 3.343 318.2 2079.0 3.351 317.6 2080.0 3.360 317.1 2081.0 3.368 316.6 2082.0 3.376 316.0 2083.0 3.384 315.5 2084.0 3.392 315.0 2085.0 3.400 314.4 2086.0 3.407 313.9 2087.0 3.414 313.4 2088.0 3.421 312.9 2089.0 3.428 312.4 2090.0 3.434 311.9 2091.0 3.440 311.3 2092.0 3.447 310.8 2093.0 3.452 310.3 2094.0 3.458 309.8 2095.0 3.464 309.3 2096.0 3.469 308.8 2097.0 3.474 308.3 2098.0 3.479 307.8 2099.0 3.483 307.3 2100.0 3.488 306.8 2101.0 3.492 306.3 2102.0 3.496 305.8 2103.0 3.500 305.3 2104.0 3.504 304.8 2105.0 3.507 304.3 2106.0 3.510 303.9 2107.0 3.513 303.4 2108.0 3.516 302.9 2109.0 3.519 302.4 2110.0 3.521 301.9 2111.0 3.523 301.4 2112.0 3.526 300.9 2113.0 3.527 300.4 2114.0 3.529 300.0 2115.0 3.530 299.5 2116.0 3.532 299.0 2117.0 3.533 298.5 2118.0 3.534 298.0 2119.0 3.534 297.5 2120.0 3.535 297.1 2121.0 3.535 296.6 2122.0 3.535 296.1 2123.0 3.535 295.6 2124.0 3.535 295.1 2125.0 3.534 294.6 2126.0 3.534 294.1 2127.0 3.533 293.7 2128.0 3.532 293.2 2129.0 3.531 292.7 2130.0 3.529 292.2 2131.0 3.528 291.7 2132.0 3.526 291.2 2133.0 3.524 290.8 2134.0 3.522 290.3 2135.0 3.520 289.8 2136.0 3.517 289.3 2137.0 3.515 288.8 2138.0 3.512 288.3 2139.0 3.509 287.8 2140.0 3.506 287.3 2141.0 3.503 286.8 2142.0 3.499 286.3 2143.0 3.495 285.9 2144.0 3.492 285.4 2145.0 3.488 284.9 2146.0 3.484 284.4 2147.0 3.479 283.9 2148.0 3.475 283.4 2149.0 3.471 282.9 2150.0 3.466 282.4 2151.0 3.461 281.9 2152.0 3.456 281.4 2153.0 3.451 280.8 2154.0 3.446 280.3 2155.0 3.440 279.8 2156.0 3.434 279.3 2157.0 3.429 278.8 2158.0 3.423 278.3 2159.0 3.417 277.8 2160.0 3.411 277.3 2161.0 3.405 276.7 2162.0 3.398 276.2 2163.0 3.392 275.7 2164.0 3.385 275.2 2165.0 3.378 274.6 2166.0 3.371 274.1 2167.0 3.364 273.6 2168.0 3.357 273.0 2169.0 3.350 272.5 2170.0 3.343 272.0 2171.0 3.335 271.4 2172.0 3.328 270.9 2173.0 3.320 270.3 2174.0 3.312 269.8 2175.0 3.304 269.2 2176.0 3.296 268.7 2177.0 3.288 268.1 2178.0 3.280 267.5 2179.0 3.272 267.0 2180.0 3.264 266.4 2181.0 3.255 265.8 2182.0 3.247 265.3 2183.0 3.238 264.7 2184.0 3.229 264.1 2185.0 3.221 263.5 2186.0 3.212 263.0 2187.0 3.203 262.4 2188.0 3.194 261.8 2189.0 3.185 261.2 2190.0 3.176 260.6 2191.0 3.167 260.0 2192.0 3.157 259.4 2193.0 3.148 258.8 2194.0 3.139 258.2 2195.0 3.129 257.5 2196.0 3.120 256.9 2197.0 3.111 256.3 2198.0 3.101 255.7 2199.0 3.092 255.1 2200.0 3.082 254.4 2201.0 3.072 253.8 2202.0 3.063 253.1 2203.0 3.053 252.5 2204.0 3.044 251.8 2205.0 3.034 251.2 2206.0 3.024 250.5 2207.0 3.015 249.9 2208.0 3.005 249.2 2209.0 2.995 248.5 2210.0 2.986 247.8 2211.0 2.976 247.2 2212.0 2.966 246.5 2213.0 2.957 245.8 2214.0 2.947 245.1 2215.0 2.937 244.4 2216.0 2.928 243.7 2217.0 2.918 243.0 2218.0 2.908 242.3 2219.0 2.899 241.6 2220.0 2.889 240.8 2221.0 2.880 240.1 2222.0 2.871 239.4 2223.0 2.861 238.7 2224.0 2.852 237.9 2225.0 2.843 237.2 2226.0 2.833 236.4 2227.0 2.824 235.7 2228.0 2.815 234.9 2229.0 2.806 234.1 2230.0 2.797 233.4 2231.0 2.788 232.6 2232.0 2.780 231.8 2233.0 2.771 231.0 2234.0 2.762 230.2 2235.0 2.754 229.4 2236.0 2.745 228.6