| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:14:21 |
| WDS: | STF2695 | WDS ID/Discoverer |
| P: | 269.000 | Orbital period (years) |
| a: | 0.773 | Semi-major axis (arcseconds) |
| i: | 84.1 | Inclination (degrees) |
| Ω: | 77.4 | Longitude of ascending node (degrees) |
| T: | 2016.370 | Epoch of periastron passage (year) |
| e: | 0.431 | Eccentricity |
| ω: | 174.1 | Longitude of periastron (degrees) |
| Start-Year: | 1891.0 | Year |
| End-Year: | 2159.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203158.19+254818.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20320+2548 | WDS designation |
| Discoverer Code: | STF2695 | Discover designation and components |
| ADS number: | 13964 | Aitken Double Star catalog |
| HD number: | 195692 | HD catalog number |
| Hipparcos number: | 101300 | Hipparcos catalog number |
| V1: | 6.58 | Magnitude of the primary |
| V2: | 8.75 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2004 | 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 0.416 260.2 ------------------------- 1891.0 1.102 77.3 1892.0 1.102 77.4 1893.0 1.101 77.5 1894.0 1.099 77.5 1895.0 1.098 77.6 1896.0 1.096 77.7 1897.0 1.094 77.7 1898.0 1.092 77.8 1899.0 1.090 77.8 1900.0 1.088 77.9 1901.0 1.085 78.0 1902.0 1.082 78.0 1903.0 1.079 78.1 1904.0 1.076 78.2 1905.0 1.072 78.2 1906.0 1.068 78.3 1907.0 1.064 78.4 1908.0 1.060 78.4 1909.0 1.056 78.5 1910.0 1.051 78.6 1911.0 1.046 78.6 1912.0 1.041 78.7 1913.0 1.036 78.8 1914.0 1.031 78.8 1915.0 1.025 78.9 1916.0 1.019 79.0 1917.0 1.013 79.0 1918.0 1.007 79.1 1919.0 1.000 79.2 1920.0 0.993 79.3 1921.0 0.987 79.3 1922.0 0.979 79.4 1923.0 0.972 79.5 1924.0 0.964 79.6 1925.0 0.956 79.6 1926.0 0.948 79.7 1927.0 0.940 79.8 1928.0 0.931 79.9 1929.0 0.923 80.0 1930.0 0.914 80.1 1931.0 0.904 80.2 1932.0 0.895 80.3 1933.0 0.885 80.3 1934.0 0.875 80.4 1935.0 0.865 80.5 1936.0 0.855 80.6 1937.0 0.844 80.7 1938.0 0.834 80.8 1939.0 0.823 81.0 1940.0 0.811 81.1 1941.0 0.800 81.2 1942.0 0.788 81.3 1943.0 0.776 81.4 1944.0 0.764 81.5 1945.0 0.751 81.7 1946.0 0.739 81.8 1947.0 0.726 81.9 1948.0 0.713 82.1 1949.0 0.699 82.2 1950.0 0.686 82.4 1951.0 0.672 82.6 1952.0 0.658 82.7 1953.0 0.643 82.9 1954.0 0.629 83.1 1955.0 0.614 83.3 1956.0 0.599 83.5 1957.0 0.584 83.7 1958.0 0.568 83.9 1959.0 0.553 84.1 1960.0 0.537 84.4 1961.0 0.520 84.7 1962.0 0.504 84.9 1963.0 0.487 85.2 1964.0 0.471 85.6 1965.0 0.454 85.9 1966.0 0.436 86.3 1967.0 0.419 86.7 1968.0 0.401 87.1 1969.0 0.383 87.6 1970.0 0.365 88.2 1971.0 0.347 88.7 1972.0 0.329 89.4 1973.0 0.310 90.1 1974.0 0.291 90.9 1975.0 0.273 91.9 1976.0 0.254 92.9 1977.0 0.235 94.2 1978.0 0.216 95.7 1979.0 0.196 97.4 1980.0 0.177 99.5 1981.0 0.159 102.2 1982.0 0.140 105.5 1983.0 0.122 109.9 1984.0 0.105 115.7 1985.0 0.089 123.6 1986.0 0.075 134.8 1987.0 0.066 149.9 1988.0 0.062 168.4 1989.0 0.065 187.2 1990.0 0.074 202.9 1991.0 0.087 214.6 1992.0 0.102 223.0 1993.0 0.119 229.1 1994.0 0.137 233.6 1995.0 0.155 237.1 1996.0 0.174 239.9 1997.0 0.192 242.1 1998.0 0.211 243.9 1999.0 0.229 245.4 2000.0 0.247 246.8 2001.0 0.265 247.9 2002.0 0.282 248.9 2003.0 0.298 249.8 2004.0 0.314 250.6 2005.0 0.330 251.3 2006.0 0.344 251.9 2007.0 0.358 252.5 2008.0 0.371 253.1 2009.0 0.383 253.6 2010.0 0.394 254.1 2011.0 0.404 254.6 2012.0 0.413 255.0 2013.0 0.421 255.4 2014.0 0.427 255.9 2015.0 0.432 256.3 2016.0 0.436 256.6 2017.0 0.439 257.0 2018.0 0.441 257.4 2019.0 0.441 257.8 2020.0 0.440 258.2 2021.0 0.437 258.6 2022.0 0.434 259.0 2023.0 0.429 259.4 2024.0 0.423 259.8 2025.0 0.416 260.2 2026.0 0.408 260.6 2027.0 0.399 261.1 2028.0 0.389 261.6 2029.0 0.378 262.1 2030.0 0.366 262.6 2031.0 0.354 263.2 2032.0 0.341 263.8 2033.0 0.327 264.4 2034.0 0.313 265.2 2035.0 0.298 266.0 2036.0 0.282 266.8 2037.0 0.267 267.8 2038.0 0.250 268.9 2039.0 0.234 270.2 2040.0 0.217 271.7 2041.0 0.201 273.4 2042.0 0.184 275.4 2043.0 0.167 277.8 2044.0 0.150 280.8 2045.0 0.134 284.4 2046.0 0.118 289.1 2047.0 0.103 295.2 2048.0 0.090 303.2 2049.0 0.079 313.8 2050.0 0.071 327.2 2051.0 0.068 342.8 2052.0 0.070 358.8 2053.0 0.077 12.8 2054.0 0.087 24.0 2055.0 0.100 32.6 2056.0 0.115 39.0 2057.0 0.130 44.0 2058.0 0.147 47.9 2059.0 0.164 51.0 2060.0 0.181 53.5 2061.0 0.198 55.5 2062.0 0.215 57.3 2063.0 0.233 58.8 2064.0 0.250 60.0 2065.0 0.267 61.2 2066.0 0.285 62.1 2067.0 0.302 63.0 2068.0 0.319 63.8 2069.0 0.336 64.5 2070.0 0.353 65.1 2071.0 0.370 65.6 2072.0 0.386 66.2 2073.0 0.403 66.6 2074.0 0.419 67.1 2075.0 0.435 67.5 2076.0 0.451 67.9 2077.0 0.467 68.2 2078.0 0.483 68.5 2079.0 0.498 68.9 2080.0 0.514 69.1 2081.0 0.529 69.4 2082.0 0.544 69.7 2083.0 0.558 69.9 2084.0 0.573 70.2 2085.0 0.587 70.4 2086.0 0.602 70.6 2087.0 0.616 70.8 2088.0 0.630 71.0 2089.0 0.643 71.2 2090.0 0.657 71.3 2091.0 0.670 71.5 2092.0 0.683 71.7 2093.0 0.696 71.8 2094.0 0.709 72.0 2095.0 0.721 72.1 2096.0 0.733 72.3 2097.0 0.745 72.4 2098.0 0.757 72.5 2099.0 0.769 72.7 2100.0 0.780 72.8 2101.0 0.792 72.9 2102.0 0.803 73.0 2103.0 0.814 73.1 2104.0 0.824 73.2 2105.0 0.835 73.3 2106.0 0.845 73.4 2107.0 0.855 73.6 2108.0 0.865 73.7 2109.0 0.875 73.7 2110.0 0.884 73.8 2111.0 0.894 73.9 2112.0 0.903 74.0 2113.0 0.912 74.1 2114.0 0.920 74.2 2115.0 0.929 74.3 2116.0 0.937 74.4 2117.0 0.945 74.5 2118.0 0.953 74.5 2119.0 0.961 74.6 2120.0 0.968 74.7 2121.0 0.976 74.8 2122.0 0.983 74.9 2123.0 0.990 74.9 2124.0 0.996 75.0 2125.0 1.003 75.1 2126.0 1.009 75.2 2127.0 1.015 75.2 2128.0 1.021 75.3 2129.0 1.027 75.4 2130.0 1.032 75.4 2131.0 1.037 75.5 2132.0 1.042 75.6 2133.0 1.047 75.7 2134.0 1.052 75.7 2135.0 1.056 75.8 2136.0 1.061 75.9 2137.0 1.065 75.9 2138.0 1.069 76.0 2139.0 1.072 76.0 2140.0 1.076 76.1 2141.0 1.079 76.2 2142.0 1.082 76.2 2143.0 1.085 76.3 2144.0 1.088 76.4 2145.0 1.090 76.4 2146.0 1.092 76.5 2147.0 1.094 76.6 2148.0 1.096 76.6 2149.0 1.098 76.7 2150.0 1.099 76.7 2151.0 1.101 76.8 2152.0 1.102 76.9 2153.0 1.102 76.9 2154.0 1.103 77.0 2155.0 1.103 77.0 2156.0 1.104 77.1 2157.0 1.104 77.2 2158.0 1.103 77.2