| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:16:45 |
| WDS: | STF2729AB | WDS ID/Discoverer |
| P: | 200.700 | Orbital period (years) |
| a: | 0.816 | Semi-major axis (arcseconds) |
| i: | 64.06 | Inclination (degrees) |
| Ω: | 174.31 | Longitude of ascending node (degrees) |
| T: | 1896.800 | Epoch of periastron passage (year) |
| e: | 0.535 | Eccentricity |
| ω: | 45.9 | Longitude of periastron (degrees) |
| Start-Year: | 1925.0 | Year |
| End-Year: | 2125.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 205125.69-053735.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20514-0538 | WDS designation |
| Discoverer Code: | STF2729AB | Discover designation and components |
| ADS number: | 14360 | Aitken Double Star catalog |
| HD number: | 198571 | HD catalog number |
| Hipparcos number: | 102945 | Hipparcos catalog number |
| V1: | 6.40 | Magnitude of the primary |
| V2: | 7.43 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | Date of last observation | |
| Orbit grade: | 2 | 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 0.690 36.9 ------------------------- 1925.0 0.711 345.3 1926.0 0.731 346.2 1927.0 0.750 347.0 1928.0 0.769 347.8 1929.0 0.787 348.5 1930.0 0.804 349.2 1931.0 0.821 349.9 1932.0 0.837 350.5 1933.0 0.852 351.1 1934.0 0.867 351.7 1935.0 0.881 352.3 1936.0 0.894 352.9 1937.0 0.907 353.4 1938.0 0.919 353.9 1939.0 0.931 354.4 1940.0 0.942 354.9 1941.0 0.953 355.4 1942.0 0.963 355.9 1943.0 0.973 356.4 1944.0 0.982 356.9 1945.0 0.990 357.3 1946.0 0.999 357.8 1947.0 1.006 358.2 1948.0 1.014 358.6 1949.0 1.021 359.1 1950.0 1.027 359.5 1951.0 1.033 359.9 1952.0 1.039 0.3 1953.0 1.044 0.7 1954.0 1.048 1.1 1955.0 1.053 1.5 1956.0 1.057 1.9 1957.0 1.060 2.3 1958.0 1.064 2.7 1959.0 1.067 3.1 1960.0 1.069 3.5 1961.0 1.071 3.9 1962.0 1.073 4.2 1963.0 1.075 4.6 1964.0 1.076 5.0 1965.0 1.076 5.4 1966.0 1.077 5.8 1967.0 1.077 6.1 1968.0 1.077 6.5 1969.0 1.077 6.9 1970.0 1.076 7.3 1971.0 1.075 7.7 1972.0 1.073 8.1 1973.0 1.072 8.4 1974.0 1.070 8.8 1975.0 1.068 9.2 1976.0 1.065 9.6 1977.0 1.063 10.0 1978.0 1.060 10.4 1979.0 1.056 10.8 1980.0 1.053 11.2 1981.0 1.049 11.6 1982.0 1.045 12.0 1983.0 1.041 12.4 1984.0 1.036 12.8 1985.0 1.032 13.2 1986.0 1.027 13.6 1987.0 1.021 14.0 1988.0 1.016 14.5 1989.0 1.010 14.9 1990.0 1.004 15.3 1991.0 0.998 15.8 1992.0 0.992 16.2 1993.0 0.986 16.7 1994.0 0.979 17.1 1995.0 0.972 17.6 1996.0 0.965 18.1 1997.0 0.957 18.5 1998.0 0.950 19.0 1999.0 0.942 19.5 2000.0 0.934 20.0 2001.0 0.926 20.5 2002.0 0.918 21.0 2003.0 0.910 21.6 2004.0 0.901 22.1 2005.0 0.892 22.7 2006.0 0.883 23.2 2007.0 0.874 23.8 2008.0 0.865 24.4 2009.0 0.856 25.0 2010.0 0.846 25.6 2011.0 0.837 26.2 2012.0 0.827 26.8 2013.0 0.817 27.5 2014.0 0.807 28.2 2015.0 0.797 28.8 2016.0 0.786 29.6 2017.0 0.776 30.3 2018.0 0.766 31.0 2019.0 0.755 31.8 2020.0 0.744 32.6 2021.0 0.734 33.4 2022.0 0.723 34.2 2023.0 0.712 35.1 2024.0 0.701 36.0 2025.0 0.690 36.9 2026.0 0.679 37.8 2027.0 0.668 38.8 2028.0 0.657 39.8 2029.0 0.645 40.8 2030.0 0.634 41.9 2031.0 0.623 43.0 2032.0 0.612 44.2 2033.0 0.601 45.4 2034.0 0.590 46.6 2035.0 0.579 47.9 2036.0 0.568 49.3 2037.0 0.558 50.6 2038.0 0.547 52.1 2039.0 0.537 53.6 2040.0 0.526 55.2 2041.0 0.516 56.8 2042.0 0.506 58.5 2043.0 0.497 60.2 2044.0 0.487 62.1 2045.0 0.478 64.0 2046.0 0.469 65.9 2047.0 0.461 68.0 2048.0 0.453 70.1 2049.0 0.445 72.3 2050.0 0.438 74.5 2051.0 0.431 76.9 2052.0 0.425 79.3 2053.0 0.419 81.8 2054.0 0.414 84.3 2055.0 0.409 86.9 2056.0 0.405 89.6 2057.0 0.402 92.3 2058.0 0.399 95.1 2059.0 0.397 97.9 2060.0 0.395 100.7 2061.0 0.394 103.5 2062.0 0.394 106.3 2063.0 0.395 109.2 2064.0 0.396 112.0 2065.0 0.397 114.8 2066.0 0.399 117.6 2067.0 0.402 120.3 2068.0 0.405 123.1 2069.0 0.409 125.7 2070.0 0.413 128.3 2071.0 0.417 130.9 2072.0 0.421 133.4 2073.0 0.426 135.9 2074.0 0.430 138.3 2075.0 0.435 140.7 2076.0 0.440 143.0 2077.0 0.444 145.2 2078.0 0.448 147.4 2079.0 0.452 149.6 2080.0 0.455 151.8 2081.0 0.458 153.9 2082.0 0.459 156.0 2083.0 0.460 158.1 2084.0 0.460 160.2 2085.0 0.459 162.3 2086.0 0.456 164.4 2087.0 0.452 166.5 2088.0 0.446 168.7 2089.0 0.439 170.9 2090.0 0.429 173.3 2091.0 0.417 175.7 2092.0 0.403 178.4 2093.0 0.387 181.2 2094.0 0.369 184.3 2095.0 0.348 187.7 2096.0 0.326 191.6 2097.0 0.302 196.1 2098.0 0.277 201.4 2099.0 0.253 207.6 2100.0 0.230 215.2 2101.0 0.209 224.4 2102.0 0.194 235.4 2103.0 0.184 247.8 2104.0 0.183 261.0 2105.0 0.190 273.8 2106.0 0.204 285.2 2107.0 0.224 294.9 2108.0 0.248 302.9 2109.0 0.275 309.3 2110.0 0.303 314.7 2111.0 0.332 319.0 2112.0 0.361 322.7 2113.0 0.391 325.9 2114.0 0.420 328.5 2115.0 0.448 330.9 2116.0 0.477 333.0 2117.0 0.504 334.8 2118.0 0.531 336.4 2119.0 0.557 337.9 2120.0 0.582 339.3 2121.0 0.606 340.5 2122.0 0.630 341.7 2123.0 0.653 342.8 2124.0 0.675 343.8