| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:59:12 |
| WDS: | STT82AB | WDS ID/Discoverer |
| P: | 246.900 | Orbital period (years) |
| a: | 1.17 | Semi-major axis (arcseconds) |
| i: | 137.8 | Inclination (degrees) |
| Ω: | 197.0 | Longitude of ascending node (degrees) |
| T: | 1892.780 | Epoch of periastron passage (year) |
| e: | 0.277 | Eccentricity |
| ω: | 56.7 | Longitude of periastron (degrees) |
| Start-Year: | 1902.0 | Year |
| End-Year: | 2148.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042244.10+150322.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04227+1503 | WDS designation |
| Discoverer Code: | STT82AB | Discover designation and components |
| ADS number: | 3169 | Aitken Double Star catalog |
| HD number: | 27691 | HD catalog number |
| Hipparcos number: | 20440 | Hipparcos catalog number |
| V1: | 7.31 | Magnitude of the primary |
| V2: | 8.63 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | 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 1.186 320.1 ------------------------- 1902.0 0.645 119.0 1903.0 0.645 115.5 1904.0 0.646 112.1 1905.0 0.648 108.7 1906.0 0.652 105.4 1907.0 0.656 102.0 1908.0 0.662 98.8 1909.0 0.669 95.6 1910.0 0.677 92.4 1911.0 0.687 89.4 1912.0 0.697 86.4 1913.0 0.708 83.5 1914.0 0.719 80.7 1915.0 0.732 78.0 1916.0 0.745 75.4 1917.0 0.759 72.9 1918.0 0.773 70.5 1919.0 0.787 68.1 1920.0 0.802 65.9 1921.0 0.817 63.7 1922.0 0.833 61.6 1923.0 0.848 59.6 1924.0 0.864 57.7 1925.0 0.880 55.8 1926.0 0.896 54.0 1927.0 0.911 52.3 1928.0 0.927 50.6 1929.0 0.943 49.0 1930.0 0.958 47.4 1931.0 0.974 45.9 1932.0 0.989 44.4 1933.0 1.004 43.0 1934.0 1.019 41.6 1935.0 1.033 40.2 1936.0 1.047 38.9 1937.0 1.061 37.6 1938.0 1.075 36.4 1939.0 1.089 35.2 1940.0 1.102 34.0 1941.0 1.115 32.8 1942.0 1.127 31.7 1943.0 1.139 30.6 1944.0 1.151 29.5 1945.0 1.163 28.5 1946.0 1.174 27.4 1947.0 1.185 26.4 1948.0 1.195 25.4 1949.0 1.205 24.4 1950.0 1.215 23.4 1951.0 1.224 22.5 1952.0 1.234 21.5 1953.0 1.242 20.6 1954.0 1.251 19.7 1955.0 1.259 18.8 1956.0 1.266 17.9 1957.0 1.274 17.0 1958.0 1.281 16.2 1959.0 1.287 15.3 1960.0 1.294 14.4 1961.0 1.300 13.6 1962.0 1.305 12.8 1963.0 1.311 11.9 1964.0 1.316 11.1 1965.0 1.321 10.3 1966.0 1.325 9.5 1967.0 1.329 8.7 1968.0 1.333 7.9 1969.0 1.336 7.1 1970.0 1.339 6.3 1971.0 1.342 5.5 1972.0 1.345 4.7 1973.0 1.347 3.9 1974.0 1.349 3.1 1975.0 1.351 2.3 1976.0 1.352 1.6 1977.0 1.353 0.8 1978.0 1.354 0.0 1979.0 1.355 359.2 1980.0 1.355 358.5 1981.0 1.355 357.7 1982.0 1.355 356.9 1983.0 1.355 356.2 1984.0 1.354 355.4 1985.0 1.353 354.6 1986.0 1.352 353.8 1987.0 1.351 353.0 1988.0 1.349 352.3 1989.0 1.347 351.5 1990.0 1.345 350.7 1991.0 1.343 349.9 1992.0 1.341 349.1 1993.0 1.338 348.3 1994.0 1.336 347.5 1995.0 1.333 346.7 1996.0 1.330 345.9 1997.0 1.326 345.1 1998.0 1.323 344.3 1999.0 1.319 343.5 2000.0 1.315 342.7 2001.0 1.311 341.9 2002.0 1.307 341.0 2003.0 1.303 340.2 2004.0 1.299 339.4 2005.0 1.294 338.5 2006.0 1.290 337.7 2007.0 1.285 336.8 2008.0 1.280 335.9 2009.0 1.275 335.1 2010.0 1.270 334.2 2011.0 1.265 333.3 2012.0 1.260 332.4 2013.0 1.254 331.5 2014.0 1.249 330.6 2015.0 1.243 329.7 2016.0 1.238 328.8 2017.0 1.232 327.8 2018.0 1.226 326.9 2019.0 1.221 326.0 2020.0 1.215 325.0 2021.0 1.209 324.0 2022.0 1.203 323.1 2023.0 1.197 322.1 2024.0 1.192 321.1 2025.0 1.186 320.1 2026.0 1.180 319.1 2027.0 1.174 318.0 2028.0 1.168 317.0 2029.0 1.162 315.9 2030.0 1.156 314.9 2031.0 1.151 313.8 2032.0 1.145 312.7 2033.0 1.139 311.6 2034.0 1.133 310.5 2035.0 1.128 309.4 2036.0 1.122 308.3 2037.0 1.117 307.2 2038.0 1.111 306.0 2039.0 1.106 304.9 2040.0 1.101 303.7 2041.0 1.096 302.5 2042.0 1.090 301.3 2043.0 1.086 300.1 2044.0 1.081 298.9 2045.0 1.076 297.7 2046.0 1.071 296.5 2047.0 1.067 295.2 2048.0 1.063 294.0 2049.0 1.058 292.7 2050.0 1.054 291.4 2051.0 1.050 290.2 2052.0 1.046 288.9 2053.0 1.043 287.6 2054.0 1.039 286.3 2055.0 1.036 284.9 2056.0 1.033 283.6 2057.0 1.030 282.3 2058.0 1.027 280.9 2059.0 1.024 279.6 2060.0 1.022 278.2 2061.0 1.020 276.9 2062.0 1.017 275.5 2063.0 1.015 274.1 2064.0 1.013 272.7 2065.0 1.012 271.3 2066.0 1.010 270.0 2067.0 1.009 268.6 2068.0 1.008 267.2 2069.0 1.007 265.8 2070.0 1.006 264.4 2071.0 1.005 263.0 2072.0 1.004 261.5 2073.0 1.004 260.1 2074.0 1.003 258.7 2075.0 1.003 257.3 2076.0 1.003 255.9 2077.0 1.003 254.5 2078.0 1.003 253.1 2079.0 1.003 251.7 2080.0 1.003 250.3 2081.0 1.004 248.8 2082.0 1.004 247.4 2083.0 1.004 246.0 2084.0 1.005 244.6 2085.0 1.005 243.2 2086.0 1.005 241.8 2087.0 1.006 240.4 2088.0 1.006 239.0 2089.0 1.007 237.6 2090.0 1.007 236.2 2091.0 1.007 234.8 2092.0 1.007 233.4 2093.0 1.007 232.0 2094.0 1.007 230.6 2095.0 1.007 229.2 2096.0 1.007 227.8 2097.0 1.006 226.4 2098.0 1.005 225.0 2099.0 1.005 223.6 2100.0 1.003 222.2 2101.0 1.002 220.8 2102.0 1.001 219.3 2103.0 0.999 217.9 2104.0 0.997 216.5 2105.0 0.994 215.1 2106.0 0.992 213.6 2107.0 0.989 212.2 2108.0 0.985 210.7 2109.0 0.981 209.2 2110.0 0.977 207.8 2111.0 0.973 206.3 2112.0 0.968 204.7 2113.0 0.963 203.2 2114.0 0.957 201.7 2115.0 0.951 200.1 2116.0 0.944 198.5 2117.0 0.937 196.9 2118.0 0.930 195.3 2119.0 0.922 193.6 2120.0 0.914 192.0 2121.0 0.905 190.2 2122.0 0.896 188.5 2123.0 0.886 186.7 2124.0 0.877 184.9 2125.0 0.866 183.0 2126.0 0.856 181.1 2127.0 0.845 179.1 2128.0 0.834 177.1 2129.0 0.822 175.0 2130.0 0.810 172.9 2131.0 0.799 170.7 2132.0 0.787 168.4 2133.0 0.775 166.1 2134.0 0.763 163.7 2135.0 0.751 161.2 2136.0 0.740 158.7 2137.0 0.728 156.0 2138.0 0.717 153.3 2139.0 0.707 150.5 2140.0 0.697 147.6 2141.0 0.687 144.7 2142.0 0.679 141.6 2143.0 0.671 138.5 2144.0 0.664 135.3 2145.0 0.658 132.1 2146.0 0.653 128.8 2147.0 0.649 125.4