| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:13:32 |
| WDS: | R321 | WDS ID/Discoverer |
| P: | 186.419 | Orbital period (years) |
| a: | 1.06149 | Semi-major axis (arcseconds) |
| i: | 139.301 | Inclination (degrees) |
| Ω: | 152.349 | Longitude of ascending node (degrees) |
| T: | 1949.198 | Epoch of periastron passage (year) |
| e: | 0.69564 | Eccentricity |
| ω: | 227.418 | Longitude of periastron (degrees) |
| Start-Year: | 1932.0 | Year |
| End-Year: | 2118.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 202652.97-372410.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20269-3724 | WDS designation |
| Discoverer Code: | R321 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 194433 | HD catalog number |
| Hipparcos number: | 100852 | Hipparcos catalog number |
| V1: | 6.58 | Magnitude of the primary |
| V2: | 8.09 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2013 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.602 120.9 ------------------------- 1932.0 0.645 38.0 1933.0 0.627 35.0 1934.0 0.608 31.9 1935.0 0.590 28.6 1936.0 0.571 25.1 1937.0 0.553 21.4 1938.0 0.534 17.3 1939.0 0.515 13.0 1940.0 0.496 8.4 1941.0 0.477 3.4 1942.0 0.457 358.0 1943.0 0.436 352.0 1944.0 0.414 345.4 1945.0 0.390 338.1 1946.0 0.365 329.8 1947.0 0.338 320.2 1948.0 0.312 309.0 1949.0 0.288 295.7 1950.0 0.270 280.4 1951.0 0.263 263.5 1952.0 0.270 246.7 1953.0 0.291 231.5 1954.0 0.321 218.8 1955.0 0.359 208.5 1956.0 0.400 200.2 1957.0 0.442 193.5 1958.0 0.485 188.0 1959.0 0.528 183.3 1960.0 0.570 179.4 1961.0 0.610 176.0 1962.0 0.650 173.0 1963.0 0.688 170.4 1964.0 0.725 168.0 1965.0 0.761 165.8 1966.0 0.796 163.9 1967.0 0.829 162.1 1968.0 0.861 160.4 1969.0 0.892 158.9 1970.0 0.922 157.4 1971.0 0.951 156.1 1972.0 0.979 154.8 1973.0 1.006 153.6 1974.0 1.032 152.5 1975.0 1.057 151.4 1976.0 1.082 150.4 1977.0 1.105 149.4 1978.0 1.128 148.4 1979.0 1.150 147.5 1980.0 1.171 146.6 1981.0 1.191 145.8 1982.0 1.211 144.9 1983.0 1.230 144.1 1984.0 1.249 143.4 1985.0 1.267 142.6 1986.0 1.284 141.9 1987.0 1.301 141.2 1988.0 1.317 140.5 1989.0 1.332 139.8 1990.0 1.347 139.2 1991.0 1.362 138.5 1992.0 1.375 137.9 1993.0 1.389 137.3 1994.0 1.402 136.7 1995.0 1.414 136.1 1996.0 1.426 135.5 1997.0 1.438 134.9 1998.0 1.449 134.3 1999.0 1.459 133.8 2000.0 1.469 133.2 2001.0 1.479 132.7 2002.0 1.488 132.1 2003.0 1.497 131.6 2004.0 1.506 131.1 2005.0 1.514 130.5 2006.0 1.522 130.0 2007.0 1.529 129.5 2008.0 1.536 129.0 2009.0 1.543 128.5 2010.0 1.549 128.0 2011.0 1.555 127.5 2012.0 1.560 127.0 2013.0 1.565 126.6 2014.0 1.570 126.1 2015.0 1.575 125.6 2016.0 1.579 125.1 2017.0 1.583 124.6 2018.0 1.586 124.2 2019.0 1.589 123.7 2020.0 1.592 123.2 2021.0 1.595 122.8 2022.0 1.597 122.3 2023.0 1.599 121.8 2024.0 1.600 121.4 2025.0 1.602 120.9 2026.0 1.603 120.5 2027.0 1.603 120.0 2028.0 1.604 119.5 2029.0 1.604 119.1 2030.0 1.604 118.6 2031.0 1.603 118.1 2032.0 1.603 117.7 2033.0 1.602 117.2 2034.0 1.600 116.8 2035.0 1.599 116.3 2036.0 1.597 115.8 2037.0 1.595 115.4 2038.0 1.592 114.9 2039.0 1.590 114.4 2040.0 1.587 114.0 2041.0 1.584 113.5 2042.0 1.580 113.0 2043.0 1.577 112.5 2044.0 1.573 112.1 2045.0 1.569 111.6 2046.0 1.564 111.1 2047.0 1.559 110.6 2048.0 1.554 110.1 2049.0 1.549 109.6 2050.0 1.544 109.1 2051.0 1.538 108.6 2052.0 1.532 108.1 2053.0 1.526 107.6 2054.0 1.519 107.1 2055.0 1.513 106.6 2056.0 1.506 106.1 2057.0 1.499 105.6 2058.0 1.491 105.0 2059.0 1.484 104.5 2060.0 1.476 104.0 2061.0 1.467 103.4 2062.0 1.459 102.9 2063.0 1.450 102.3 2064.0 1.442 101.7 2065.0 1.433 101.2 2066.0 1.423 100.6 2067.0 1.414 100.0 2068.0 1.404 99.4 2069.0 1.394 98.8 2070.0 1.384 98.2 2071.0 1.373 97.5 2072.0 1.363 96.9 2073.0 1.352 96.3 2074.0 1.340 95.6 2075.0 1.329 94.9 2076.0 1.317 94.3 2077.0 1.306 93.6 2078.0 1.294 92.9 2079.0 1.281 92.2 2080.0 1.269 91.4 2081.0 1.256 90.7 2082.0 1.243 89.9 2083.0 1.230 89.2 2084.0 1.217 88.4 2085.0 1.203 87.6 2086.0 1.189 86.7 2087.0 1.175 85.9 2088.0 1.161 85.0 2089.0 1.146 84.1 2090.0 1.132 83.2 2091.0 1.117 82.3 2092.0 1.102 81.3 2093.0 1.086 80.3 2094.0 1.071 79.3 2095.0 1.055 78.2 2096.0 1.039 77.2 2097.0 1.023 76.1 2098.0 1.007 74.9 2099.0 0.991 73.7 2100.0 0.974 72.5 2101.0 0.957 71.2 2102.0 0.940 69.9 2103.0 0.923 68.5 2104.0 0.906 67.1 2105.0 0.889 65.6 2106.0 0.871 64.1 2107.0 0.853 62.5 2108.0 0.835 60.9 2109.0 0.818 59.1 2110.0 0.799 57.3 2111.0 0.781 55.4 2112.0 0.763 53.4 2113.0 0.745 51.3 2114.0 0.727 49.1 2115.0 0.708 46.8 2116.0 0.690 44.4 2117.0 0.671 41.9