| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:13:55 |
| WDS: | WOR9AB | WDS ID/Discoverer |
| P: | 210.090 | Orbital period (years) |
| a: | 1.421 | Semi-major axis (arcseconds) |
| i: | 108.0 | Inclination (degrees) |
| Ω: | 154.3 | Longitude of ascending node (degrees) |
| T: | 1937.470 | Epoch of periastron passage (year) |
| e: | 0.15 | Eccentricity |
| ω: | 130.8 | Longitude of periastron (degrees) |
| Start-Year: | 1920.0 | Year |
| End-Year: | 2130.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203010.63+265033.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20302+2651 | WDS designation |
| Discoverer Code: | WOR9AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 340345 | HD catalog number |
| Hipparcos number: | 101150 | Hipparcos catalog number |
| V1: | 10.50 | Magnitude of the primary |
| V2: | 10.63 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1996 | Date of last observation |
| Orbit grade: | 5 | 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 0.690 197.6 ------------------------- 1920.0 0.385 62.1 1921.0 0.388 55.0 1922.0 0.397 48.1 1923.0 0.410 41.6 1924.0 0.428 35.6 1925.0 0.449 30.1 1926.0 0.474 25.1 1927.0 0.501 20.6 1928.0 0.530 16.6 1929.0 0.561 13.1 1930.0 0.592 9.9 1931.0 0.625 7.0 1932.0 0.658 4.5 1933.0 0.691 2.1 1934.0 0.725 0.0 1935.0 0.758 358.1 1936.0 0.791 356.3 1937.0 0.823 354.7 1938.0 0.855 353.2 1939.0 0.886 351.8 1940.0 0.917 350.5 1941.0 0.946 349.3 1942.0 0.975 348.2 1943.0 1.002 347.1 1944.0 1.028 346.0 1945.0 1.053 345.1 1946.0 1.077 344.1 1947.0 1.100 343.2 1948.0 1.122 342.4 1949.0 1.142 341.6 1950.0 1.160 340.8 1951.0 1.178 340.0 1952.0 1.193 339.2 1953.0 1.208 338.5 1954.0 1.221 337.8 1955.0 1.233 337.1 1956.0 1.243 336.4 1957.0 1.251 335.7 1958.0 1.259 335.0 1959.0 1.264 334.4 1960.0 1.269 333.7 1961.0 1.272 333.1 1962.0 1.273 332.4 1963.0 1.273 331.8 1964.0 1.272 331.1 1965.0 1.269 330.5 1966.0 1.265 329.8 1967.0 1.260 329.1 1968.0 1.254 328.5 1969.0 1.246 327.8 1970.0 1.237 327.1 1971.0 1.227 326.4 1972.0 1.216 325.7 1973.0 1.203 325.0 1974.0 1.190 324.2 1975.0 1.175 323.5 1976.0 1.160 322.7 1977.0 1.143 321.9 1978.0 1.126 321.1 1979.0 1.107 320.2 1980.0 1.088 319.4 1981.0 1.068 318.5 1982.0 1.048 317.5 1983.0 1.026 316.5 1984.0 1.005 315.5 1985.0 0.982 314.4 1986.0 0.959 313.3 1987.0 0.936 312.1 1988.0 0.912 310.9 1989.0 0.888 309.6 1990.0 0.863 308.2 1991.0 0.838 306.7 1992.0 0.814 305.2 1993.0 0.789 303.5 1994.0 0.764 301.8 1995.0 0.739 299.9 1996.0 0.715 297.9 1997.0 0.691 295.8 1998.0 0.668 293.5 1999.0 0.645 291.0 2000.0 0.623 288.4 2001.0 0.602 285.6 2002.0 0.582 282.6 2003.0 0.563 279.3 2004.0 0.546 275.9 2005.0 0.531 272.2 2006.0 0.517 268.4 2007.0 0.506 264.3 2008.0 0.496 260.1 2009.0 0.490 255.8 2010.0 0.485 251.3 2011.0 0.484 246.8 2012.0 0.485 242.3 2013.0 0.489 237.8 2014.0 0.495 233.5 2015.0 0.504 229.2 2016.0 0.515 225.2 2017.0 0.529 221.3 2018.0 0.544 217.6 2019.0 0.561 214.1 2020.0 0.580 210.9 2021.0 0.600 207.8 2022.0 0.621 205.0 2023.0 0.643 202.4 2024.0 0.666 199.9 2025.0 0.690 197.6 2026.0 0.715 195.5 2027.0 0.740 193.5 2028.0 0.765 191.6 2029.0 0.791 189.8 2030.0 0.817 188.2 2031.0 0.843 186.7 2032.0 0.869 185.2 2033.0 0.895 183.9 2034.0 0.921 182.6 2035.0 0.947 181.4 2036.0 0.973 180.2 2037.0 0.999 179.1 2038.0 1.024 178.1 2039.0 1.049 177.1 2040.0 1.074 176.2 2041.0 1.098 175.3 2042.0 1.122 174.4 2043.0 1.146 173.6 2044.0 1.169 172.8 2045.0 1.191 172.1 2046.0 1.213 171.3 2047.0 1.235 170.6 2048.0 1.256 169.9 2049.0 1.277 169.3 2050.0 1.296 168.6 2051.0 1.316 168.0 2052.0 1.334 167.4 2053.0 1.352 166.8 2054.0 1.370 166.3 2055.0 1.386 165.7 2056.0 1.402 165.2 2057.0 1.418 164.6 2058.0 1.432 164.1 2059.0 1.446 163.6 2060.0 1.459 163.1 2061.0 1.471 162.6 2062.0 1.482 162.1 2063.0 1.493 161.6 2064.0 1.503 161.2 2065.0 1.512 160.7 2066.0 1.520 160.2 2067.0 1.527 159.8 2068.0 1.533 159.3 2069.0 1.539 158.9 2070.0 1.543 158.4 2071.0 1.547 158.0 2072.0 1.549 157.6 2073.0 1.551 157.1 2074.0 1.552 156.7 2075.0 1.552 156.2 2076.0 1.551 155.8 2077.0 1.549 155.4 2078.0 1.546 154.9 2079.0 1.542 154.5 2080.0 1.537 154.0 2081.0 1.531 153.6 2082.0 1.524 153.1 2083.0 1.516 152.7 2084.0 1.507 152.2 2085.0 1.497 151.7 2086.0 1.486 151.3 2087.0 1.474 150.8 2088.0 1.461 150.3 2089.0 1.447 149.8 2090.0 1.432 149.3 2091.0 1.416 148.8 2092.0 1.399 148.2 2093.0 1.381 147.7 2094.0 1.362 147.1 2095.0 1.341 146.5 2096.0 1.320 145.9 2097.0 1.298 145.3 2098.0 1.275 144.7 2099.0 1.252 144.0 2100.0 1.227 143.3 2101.0 1.201 142.6 2102.0 1.174 141.9 2103.0 1.147 141.1 2104.0 1.118 140.3 2105.0 1.089 139.4 2106.0 1.059 138.5 2107.0 1.029 137.5 2108.0 0.997 136.5 2109.0 0.965 135.4 2110.0 0.932 134.2 2111.0 0.899 132.9 2112.0 0.866 131.6 2113.0 0.832 130.1 2114.0 0.797 128.5 2115.0 0.763 126.8 2116.0 0.728 124.9 2117.0 0.694 122.8 2118.0 0.659 120.5 2119.0 0.625 117.9 2120.0 0.592 115.1 2121.0 0.560 111.9 2122.0 0.529 108.3 2123.0 0.500 104.3 2124.0 0.473 99.8 2125.0 0.448 94.8 2126.0 0.427 89.3 2127.0 0.409 83.2 2128.0 0.396 76.7 2129.0 0.388 69.8