| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:26:32 |
| WDS: | DON680 | WDS ID/Discoverer |
| P: | 229.700 | Orbital period (years) |
| a: | 1.854 | Semi-major axis (arcseconds) |
| i: | 99.2 | Inclination (degrees) |
| Ω: | 60.0 | Longitude of ascending node (degrees) |
| T: | 1941.000 | Epoch of periastron passage (year) |
| e: | 0.412 | Eccentricity |
| ω: | 13.3 | Longitude of periastron (degrees) |
| Start-Year: | 1911.0 | Year |
| End-Year: | 2139.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 144923.71-671409.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 14494-6714 | WDS designation |
| Discoverer Code: | DON680 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 130041 | HD catalog number |
| Hipparcos number: | 72493 | Hipparcos catalog number |
| V1: | 7.45 | Magnitude of the primary |
| V2: | 9.76 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 5 | 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 2.447 241.5 ------------------------- 1911.0 0.363 103.3 1912.0 0.397 97.9 1913.0 0.434 93.3 1914.0 0.473 89.5 1915.0 0.512 86.3 1916.0 0.552 83.5 1917.0 0.593 81.1 1918.0 0.633 79.0 1919.0 0.673 77.2 1920.0 0.713 75.5 1921.0 0.752 74.1 1922.0 0.790 72.7 1923.0 0.826 71.5 1924.0 0.862 70.4 1925.0 0.895 69.4 1926.0 0.927 68.5 1927.0 0.957 67.6 1928.0 0.984 66.7 1929.0 1.009 66.0 1930.0 1.032 65.2 1931.0 1.052 64.5 1932.0 1.068 63.8 1933.0 1.082 63.1 1934.0 1.092 62.4 1935.0 1.099 61.8 1936.0 1.102 61.1 1937.0 1.102 60.5 1938.0 1.097 59.8 1939.0 1.089 59.2 1940.0 1.077 58.5 1941.0 1.062 57.8 1942.0 1.042 57.1 1943.0 1.019 56.4 1944.0 0.992 55.6 1945.0 0.962 54.8 1946.0 0.929 53.9 1947.0 0.893 53.0 1948.0 0.854 51.9 1949.0 0.812 50.8 1950.0 0.768 49.6 1951.0 0.723 48.1 1952.0 0.675 46.5 1953.0 0.627 44.7 1954.0 0.577 42.5 1955.0 0.526 39.9 1956.0 0.476 36.8 1957.0 0.426 32.9 1958.0 0.378 28.1 1959.0 0.333 21.8 1960.0 0.291 13.7 1961.0 0.257 3.2 1962.0 0.234 350.0 1963.0 0.224 334.9 1964.0 0.231 319.6 1965.0 0.252 306.0 1966.0 0.285 295.0 1967.0 0.325 286.5 1968.0 0.370 279.9 1969.0 0.419 274.8 1970.0 0.469 270.9 1971.0 0.521 267.6 1972.0 0.574 265.0 1973.0 0.627 262.8 1974.0 0.680 261.0 1975.0 0.732 259.4 1976.0 0.785 258.0 1977.0 0.837 256.9 1978.0 0.889 255.8 1979.0 0.940 254.9 1980.0 0.991 254.0 1981.0 1.041 253.3 1982.0 1.090 252.6 1983.0 1.139 251.9 1984.0 1.186 251.4 1985.0 1.234 250.8 1986.0 1.280 250.3 1987.0 1.325 249.9 1988.0 1.370 249.4 1989.0 1.414 249.0 1990.0 1.457 248.6 1991.0 1.499 248.3 1992.0 1.541 247.9 1993.0 1.581 247.6 1994.0 1.621 247.3 1995.0 1.660 247.0 1996.0 1.698 246.7 1997.0 1.735 246.5 1998.0 1.772 246.2 1999.0 1.807 246.0 2000.0 1.842 245.7 2001.0 1.876 245.5 2002.0 1.909 245.3 2003.0 1.941 245.1 2004.0 1.973 244.9 2005.0 2.003 244.7 2006.0 2.033 244.5 2007.0 2.062 244.3 2008.0 2.090 244.1 2009.0 2.118 243.9 2010.0 2.144 243.8 2011.0 2.170 243.6 2012.0 2.195 243.4 2013.0 2.219 243.3 2014.0 2.242 243.1 2015.0 2.265 243.0 2016.0 2.286 242.8 2017.0 2.307 242.7 2018.0 2.327 242.5 2019.0 2.347 242.4 2020.0 2.365 242.2 2021.0 2.383 242.1 2022.0 2.400 242.0 2023.0 2.417 241.8 2024.0 2.432 241.7 2025.0 2.447 241.5 2026.0 2.461 241.4 2027.0 2.474 241.3 2028.0 2.487 241.2 2029.0 2.499 241.0 2030.0 2.510 240.9 2031.0 2.520 240.8 2032.0 2.530 240.7 2033.0 2.538 240.5 2034.0 2.547 240.4 2035.0 2.554 240.3 2036.0 2.561 240.2 2037.0 2.567 240.1 2038.0 2.572 239.9 2039.0 2.577 239.8 2040.0 2.580 239.7 2041.0 2.584 239.6 2042.0 2.586 239.5 2043.0 2.588 239.4 2044.0 2.589 239.2 2045.0 2.589 239.1 2046.0 2.589 239.0 2047.0 2.588 238.9 2048.0 2.586 238.8 2049.0 2.584 238.6 2050.0 2.581 238.5 2051.0 2.577 238.4 2052.0 2.573 238.3 2053.0 2.568 238.2 2054.0 2.562 238.1 2055.0 2.555 237.9 2056.0 2.548 237.8 2057.0 2.541 237.7 2058.0 2.532 237.6 2059.0 2.523 237.5 2060.0 2.513 237.3 2061.0 2.503 237.2 2062.0 2.492 237.1 2063.0 2.480 237.0 2064.0 2.468 236.8 2065.0 2.455 236.7 2066.0 2.441 236.6 2067.0 2.427 236.4 2068.0 2.412 236.3 2069.0 2.396 236.2 2070.0 2.380 236.0 2071.0 2.363 235.9 2072.0 2.346 235.7 2073.0 2.327 235.6 2074.0 2.309 235.5 2075.0 2.289 235.3 2076.0 2.269 235.2 2077.0 2.248 235.0 2078.0 2.227 234.8 2079.0 2.205 234.7 2080.0 2.183 234.5 2081.0 2.159 234.4 2082.0 2.136 234.2 2083.0 2.111 234.0 2084.0 2.086 233.8 2085.0 2.060 233.6 2086.0 2.034 233.5 2087.0 2.007 233.3 2088.0 1.980 233.1 2089.0 1.952 232.9 2090.0 1.923 232.7 2091.0 1.894 232.4 2092.0 1.864 232.2 2093.0 1.833 232.0 2094.0 1.802 231.8 2095.0 1.771 231.5 2096.0 1.739 231.3 2097.0 1.706 231.0 2098.0 1.672 230.7 2099.0 1.638 230.4 2100.0 1.604 230.1 2101.0 1.569 229.8 2102.0 1.533 229.5 2103.0 1.497 229.1 2104.0 1.461 228.8 2105.0 1.423 228.4 2106.0 1.386 228.0 2107.0 1.347 227.6 2108.0 1.309 227.1 2109.0 1.270 226.7 2110.0 1.230 226.2 2111.0 1.190 225.6 2112.0 1.149 225.1 2113.0 1.108 224.4 2114.0 1.067 223.8 2115.0 1.025 223.1 2116.0 0.983 222.3 2117.0 0.941 221.4 2118.0 0.898 220.5 2119.0 0.855 219.5 2120.0 0.812 218.4 2121.0 0.769 217.1 2122.0 0.725 215.7 2123.0 0.682 214.1 2124.0 0.639 212.3 2125.0 0.596 210.2 2126.0 0.554 207.9 2127.0 0.513 205.1 2128.0 0.472 201.9 2129.0 0.433 198.0 2130.0 0.396 193.4 2131.0 0.362 188.0 2132.0 0.331 181.4 2133.0 0.305 173.6 2134.0 0.286 164.6 2135.0 0.274 154.5 2136.0 0.271 143.9 2137.0 0.277 133.4 2138.0 0.292 123.7