| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:56:51 |
| WDS: | STT353AB | WDS ID/Discoverer |
| P: | 307.800 | Orbital period (years) |
| a: | 0.965 | Semi-major axis (arcseconds) |
| i: | 95.6 | Inclination (degrees) |
| Ω: | 70.3 | Longitude of ascending node (degrees) |
| T: | 2116.600 | Epoch of periastron passage (year) |
| e: | 0.752 | Eccentricity |
| ω: | 275.0 | Longitude of periastron (degrees) |
| Start-Year: | 1872.0 | Year |
| End-Year: | 2178.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 182045.44+712015.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18208+7120 | WDS designation |
| Discoverer Code: | STT353AB | Discover designation and components |
| ADS number: | 11311 | Aitken Double Star catalog |
| HD number: | 170000 | HD catalog number |
| Hipparcos number: | 89908 | Hipparcos catalog number |
| V1: | 4.46 | Magnitude of the primary |
| V2: | 5.90 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1998 | 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 0.575 263.9 ------------------------- 1872.0 0.498 57.2 1873.0 0.493 56.9 1874.0 0.488 56.6 1875.0 0.483 56.3 1876.0 0.478 56.0 1877.0 0.473 55.7 1878.0 0.468 55.4 1879.0 0.463 55.1 1880.0 0.457 54.7 1881.0 0.452 54.4 1882.0 0.447 54.0 1883.0 0.441 53.7 1884.0 0.436 53.3 1885.0 0.430 53.0 1886.0 0.425 52.6 1887.0 0.419 52.2 1888.0 0.413 51.8 1889.0 0.408 51.4 1890.0 0.402 50.9 1891.0 0.396 50.5 1892.0 0.391 50.0 1893.0 0.385 49.6 1894.0 0.379 49.1 1895.0 0.373 48.6 1896.0 0.367 48.1 1897.0 0.361 47.6 1898.0 0.356 47.0 1899.0 0.350 46.4 1900.0 0.344 45.9 1901.0 0.338 45.3 1902.0 0.332 44.6 1903.0 0.326 44.0 1904.0 0.320 43.3 1905.0 0.314 42.6 1906.0 0.309 41.9 1907.0 0.303 41.2 1908.0 0.297 40.4 1909.0 0.291 39.6 1910.0 0.285 38.7 1911.0 0.280 37.8 1912.0 0.274 36.9 1913.0 0.268 36.0 1914.0 0.263 35.0 1915.0 0.257 33.9 1916.0 0.252 32.9 1917.0 0.246 31.7 1918.0 0.241 30.5 1919.0 0.236 29.3 1920.0 0.231 28.0 1921.0 0.226 26.7 1922.0 0.221 25.3 1923.0 0.216 23.8 1924.0 0.211 22.3 1925.0 0.207 20.7 1926.0 0.202 19.0 1927.0 0.198 17.2 1928.0 0.194 15.4 1929.0 0.190 13.5 1930.0 0.187 11.6 1931.0 0.183 9.5 1932.0 0.180 7.4 1933.0 0.177 5.2 1934.0 0.174 2.9 1935.0 0.172 0.6 1936.0 0.170 358.2 1937.0 0.168 355.7 1938.0 0.166 353.2 1939.0 0.165 350.6 1940.0 0.164 348.0 1941.0 0.163 345.4 1942.0 0.163 342.8 1943.0 0.163 340.2 1944.0 0.163 337.5 1945.0 0.164 334.9 1946.0 0.165 332.3 1947.0 0.167 329.8 1948.0 0.168 327.3 1949.0 0.170 324.8 1950.0 0.172 322.4 1951.0 0.175 320.1 1952.0 0.178 317.9 1953.0 0.181 315.7 1954.0 0.184 313.6 1955.0 0.188 311.6 1956.0 0.191 309.6 1957.0 0.195 307.7 1958.0 0.199 305.9 1959.0 0.204 304.2 1960.0 0.208 302.5 1961.0 0.213 301.0 1962.0 0.217 299.4 1963.0 0.222 298.0 1964.0 0.227 296.6 1965.0 0.232 295.3 1966.0 0.237 294.0 1967.0 0.243 292.8 1968.0 0.248 291.6 1969.0 0.254 290.5 1970.0 0.259 289.4 1971.0 0.265 288.4 1972.0 0.270 287.4 1973.0 0.276 286.5 1974.0 0.282 285.6 1975.0 0.288 284.7 1976.0 0.293 283.9 1977.0 0.299 283.1 1978.0 0.305 282.3 1979.0 0.311 281.6 1980.0 0.317 280.9 1981.0 0.323 280.2 1982.0 0.329 279.6 1983.0 0.335 278.9 1984.0 0.341 278.3 1985.0 0.347 277.7 1986.0 0.353 277.1 1987.0 0.359 276.6 1988.0 0.365 276.1 1989.0 0.371 275.5 1990.0 0.377 275.0 1991.0 0.383 274.6 1992.0 0.389 274.1 1993.0 0.395 273.6 1994.0 0.401 273.2 1995.0 0.407 272.8 1996.0 0.413 272.3 1997.0 0.419 271.9 1998.0 0.425 271.5 1999.0 0.431 271.2 2000.0 0.437 270.8 2001.0 0.443 270.4 2002.0 0.449 270.1 2003.0 0.455 269.7 2004.0 0.461 269.4 2005.0 0.467 269.1 2006.0 0.472 268.8 2007.0 0.478 268.4 2008.0 0.484 268.1 2009.0 0.490 267.8 2010.0 0.495 267.6 2011.0 0.501 267.3 2012.0 0.506 267.0 2013.0 0.512 266.7 2014.0 0.518 266.5 2015.0 0.523 266.2 2016.0 0.528 266.0 2017.0 0.534 265.7 2018.0 0.539 265.5 2019.0 0.544 265.2 2020.0 0.550 265.0 2021.0 0.555 264.8 2022.0 0.560 264.5 2023.0 0.565 264.3 2024.0 0.570 264.1 2025.0 0.575 263.9 2026.0 0.580 263.7 2027.0 0.585 263.5 2028.0 0.590 263.3 2029.0 0.595 263.1 2030.0 0.599 262.9 2031.0 0.604 262.7 2032.0 0.608 262.5 2033.0 0.613 262.3 2034.0 0.617 262.1 2035.0 0.622 261.9 2036.0 0.626 261.7 2037.0 0.630 261.6 2038.0 0.634 261.4 2039.0 0.638 261.2 2040.0 0.642 261.1 2041.0 0.646 260.9 2042.0 0.650 260.7 2043.0 0.654 260.6 2044.0 0.657 260.4 2045.0 0.661 260.2 2046.0 0.664 260.1 2047.0 0.667 259.9 2048.0 0.671 259.8 2049.0 0.674 259.6 2050.0 0.677 259.4 2051.0 0.679 259.3 2052.0 0.682 259.1 2053.0 0.685 259.0 2054.0 0.687 258.8 2055.0 0.690 258.7 2056.0 0.692 258.5 2057.0 0.694 258.4 2058.0 0.696 258.3 2059.0 0.698 258.1 2060.0 0.699 258.0 2061.0 0.701 257.8 2062.0 0.702 257.7 2063.0 0.704 257.5 2064.0 0.705 257.4 2065.0 0.705 257.3 2066.0 0.706 257.1 2067.0 0.706 257.0 2068.0 0.707 256.8 2069.0 0.707 256.7 2070.0 0.707 256.6 2071.0 0.706 256.4 2072.0 0.706 256.3 2073.0 0.705 256.1 2074.0 0.704 256.0 2075.0 0.702 255.9 2076.0 0.701 255.7 2077.0 0.699 255.6 2078.0 0.697 255.4 2079.0 0.694 255.3 2080.0 0.691 255.1 2081.0 0.688 255.0 2082.0 0.685 254.8 2083.0 0.681 254.7 2084.0 0.677 254.5 2085.0 0.672 254.4 2086.0 0.667 254.2 2087.0 0.661 254.1 2088.0 0.655 253.9 2089.0 0.649 253.7 2090.0 0.642 253.6 2091.0 0.634 253.4 2092.0 0.625 253.2 2093.0 0.616 253.0 2094.0 0.607 252.9 2095.0 0.596 252.7 2096.0 0.585 252.5 2097.0 0.573 252.2 2098.0 0.560 252.0 2099.0 0.546 251.8 2100.0 0.530 251.6 2101.0 0.514 251.3 2102.0 0.496 251.0 2103.0 0.477 250.7 2104.0 0.456 250.4 2105.0 0.433 250.1 2106.0 0.408 249.7 2107.0 0.381 249.2 2108.0 0.352 248.7 2109.0 0.320 248.1 2110.0 0.285 247.3 2111.0 0.247 246.3 2112.0 0.206 244.9 2113.0 0.162 242.8 2114.0 0.115 239.1 2115.0 0.067 229.9 2116.0 0.026 184.4 2117.0 0.048 99.2 2118.0 0.095 83.7 2119.0 0.143 78.5 2120.0 0.188 75.9 2121.0 0.229 74.3 2122.0 0.267 73.2 2123.0 0.301 72.3 2124.0 0.331 71.6 2125.0 0.359 71.0 2126.0 0.384 70.5 2127.0 0.406 70.0 2128.0 0.426 69.6 2129.0 0.444 69.3 2130.0 0.460 68.9 2131.0 0.475 68.6 2132.0 0.488 68.3 2133.0 0.500 68.0 2134.0 0.510 67.7 2135.0 0.520 67.5 2136.0 0.528 67.2 2137.0 0.536 67.0 2138.0 0.543 66.7 2139.0 0.549 66.5 2140.0 0.554 66.3 2141.0 0.559 66.0 2142.0 0.563 65.8 2143.0 0.567 65.6 2144.0 0.570 65.4 2145.0 0.573 65.2 2146.0 0.575 65.0 2147.0 0.576 64.7 2148.0 0.578 64.5 2149.0 0.579 64.3 2150.0 0.579 64.1 2151.0 0.580 63.9 2152.0 0.579 63.7 2153.0 0.579 63.5 2154.0 0.578 63.3 2155.0 0.578 63.1 2156.0 0.576 62.9 2157.0 0.575 62.7 2158.0 0.573 62.4 2159.0 0.572 62.2 2160.0 0.570 62.0 2161.0 0.567 61.8 2162.0 0.565 61.6 2163.0 0.562 61.4 2164.0 0.559 61.1 2165.0 0.556 60.9 2166.0 0.553 60.7 2167.0 0.550 60.5 2168.0 0.547 60.2 2169.0 0.543 60.0 2170.0 0.539 59.7 2171.0 0.536 59.5 2172.0 0.532 59.3 2173.0 0.528 59.0 2174.0 0.524 58.8 2175.0 0.519 58.5 2176.0 0.515 58.2 2177.0 0.511 58.0