| 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: | 1910.15 | Year |
| End-Year: | 2139.85 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for DON680 |
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| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2022g | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 2.468 241.35 -------------------------- 1910.15 0.337 108.78 1911.15 0.368 102.44 1912.15 0.403 97.14 1913.15 0.440 92.71 1914.15 0.478 88.98 1915.15 0.518 85.81 1916.15 0.558 83.10 1917.15 0.599 80.75 1918.15 0.639 78.70 1919.15 0.679 76.89 1920.15 0.719 75.29 1921.15 0.758 73.85 1922.15 0.795 72.55 1923.15 0.832 71.36 1924.15 0.867 70.27 1925.15 0.900 69.27 1926.15 0.932 68.33 1927.15 0.961 67.45 1928.15 0.988 66.63 1929.15 1.013 65.84 1930.15 1.035 65.09 1931.15 1.054 64.38 1932.15 1.071 63.68 1933.15 1.084 63.00 1934.15 1.093 62.34 1935.15 1.100 61.69 1936.15 1.102 61.04 1937.15 1.101 60.40 1938.15 1.096 59.75 1939.15 1.088 59.09 1940.15 1.075 58.42 1941.15 1.059 57.73 1942.15 1.039 57.02 1943.15 1.015 56.27 1944.15 0.988 55.49 1945.15 0.958 54.66 1946.15 0.924 53.78 1947.15 0.887 52.82 1948.15 0.848 51.78 1949.15 0.806 50.63 1950.15 0.762 49.35 1951.15 0.716 47.91 1952.15 0.668 46.27 1953.15 0.619 44.37 1954.15 0.569 42.15 1955.15 0.519 39.49 1956.15 0.469 36.26 1957.15 0.419 32.27 1958.15 0.371 27.21 1959.15 0.326 20.72 1960.15 0.286 12.27 1961.15 0.253 1.36 1962.15 0.232 347.85 1963.15 0.224 332.57 1964.15 0.233 317.40 1965.15 0.256 304.16 1966.15 0.290 293.55 1967.15 0.331 285.36 1968.15 0.377 279.07 1969.15 0.426 274.19 1970.15 0.477 270.32 1971.15 0.529 267.21 1972.15 0.582 264.66 1973.15 0.635 262.54 1974.15 0.688 260.74 1975.15 0.740 259.19 1976.15 0.793 257.86 1977.15 0.845 256.69 1978.15 0.897 255.65 1979.15 0.948 254.73 1980.15 0.998 253.90 1981.15 1.048 253.15 1982.15 1.097 252.47 1983.15 1.146 251.84 1984.15 1.194 251.27 1985.15 1.241 250.74 1986.15 1.287 250.25 1987.15 1.332 249.79 1988.15 1.377 249.36 1989.15 1.421 248.96 1990.15 1.464 248.58 1991.15 1.506 248.23 1992.15 1.547 247.89 1993.15 1.587 247.57 1994.15 1.627 247.27 1995.15 1.666 246.98 1996.15 1.704 246.70 1997.15 1.741 246.44 1998.15 1.777 246.18 1999.15 1.813 245.94 2000.15 1.847 245.70 2001.15 1.881 245.48 2002.15 1.914 245.26 2003.15 1.946 245.05 2004.15 1.978 244.85 2005.15 2.008 244.65 2006.15 2.038 244.46 2007.15 2.066 244.27 2008.15 2.094 244.09 2009.15 2.122 243.91 2010.15 2.148 243.74 2011.15 2.174 243.57 2012.15 2.198 243.41 2013.15 2.222 243.25 2014.15 2.245 243.09 2015.15 2.268 242.94 2016.15 2.289 242.78 2017.15 2.310 242.64 2018.15 2.330 242.49 2019.15 2.350 242.35 2020.15 2.368 242.21 2021.15 2.386 242.07 2022.15 2.403 241.93 2023.15 2.419 241.80 2024.15 2.434 241.66 2025.15 2.449 241.53 2026.15 2.463 241.40 2027.15 2.476 241.27 2028.15 2.489 241.14 2029.15 2.500 241.02 2030.15 2.511 240.89 2031.15 2.521 240.77 2032.15 2.531 240.65 2033.15 2.540 240.52 2034.15 2.548 240.40 2035.15 2.555 240.28 2036.15 2.562 240.16 2037.15 2.568 240.04 2038.15 2.573 239.92 2039.15 2.577 239.81 2040.15 2.581 239.69 2041.15 2.584 239.57 2042.15 2.586 239.45 2043.15 2.588 239.34 2044.15 2.589 239.22 2045.15 2.589 239.10 2046.15 2.589 238.98 2047.15 2.588 238.87 2048.15 2.586 238.75 2049.15 2.584 238.63 2050.15 2.580 238.51 2051.15 2.577 238.40 2052.15 2.572 238.28 2053.15 2.567 238.16 2054.15 2.561 238.04 2055.15 2.554 237.92 2056.15 2.547 237.80 2057.15 2.539 237.68 2058.15 2.531 237.56 2059.15 2.522 237.43 2060.15 2.512 237.31 2061.15 2.501 237.18 2062.15 2.490 237.06 2063.15 2.478 236.93 2064.15 2.466 236.80 2065.15 2.453 236.67 2066.15 2.439 236.54 2067.15 2.425 236.41 2068.15 2.409 236.27 2069.15 2.394 236.14 2070.15 2.377 236.00 2071.15 2.360 235.86 2072.15 2.343 235.72 2073.15 2.325 235.57 2074.15 2.306 235.43 2075.15 2.286 235.28 2076.15 2.266 235.13 2077.15 2.245 234.97 2078.15 2.224 234.82 2079.15 2.202 234.66 2080.15 2.179 234.49 2081.15 2.156 234.33 2082.15 2.132 234.15 2083.15 2.107 233.98 2084.15 2.082 233.80 2085.15 2.057 233.62 2086.15 2.030 233.43 2087.15 2.003 233.24 2088.15 1.976 233.04 2089.15 1.947 232.83 2090.15 1.919 232.62 2091.15 1.889 232.41 2092.15 1.859 232.19 2093.15 1.829 231.95 2094.15 1.798 231.72 2095.15 1.766 231.47 2096.15 1.734 231.21 2097.15 1.701 230.95 2098.15 1.667 230.67 2099.15 1.633 230.38 2100.15 1.599 230.08 2101.15 1.564 229.77 2102.15 1.528 229.44 2103.15 1.492 229.09 2104.15 1.455 228.73 2105.15 1.418 228.35 2106.15 1.380 227.95 2107.15 1.342 227.53 2108.15 1.303 227.08 2109.15 1.264 226.60 2110.15 1.224 226.09 2111.15 1.184 225.55 2112.15 1.143 224.97 2113.15 1.102 224.35 2114.15 1.061 223.68 2115.15 1.019 222.95 2116.15 0.977 222.16 2117.15 0.934 221.30 2118.15 0.891 220.36 2119.15 0.849 219.32 2120.15 0.805 218.17 2121.15 0.762 216.90 2122.15 0.719 215.46 2123.15 0.676 213.85 2124.15 0.633 212.01 2125.15 0.590 209.91 2126.15 0.548 207.48 2127.15 0.506 204.65 2128.15 0.466 201.33 2129.15 0.427 197.39 2130.15 0.391 192.68 2131.15 0.357 187.04 2132.15 0.327 180.30 2133.15 0.302 172.32 2134.15 0.284 163.12 2135.15 0.273 152.94 2136.15 0.272 142.31 2137.15 0.279 131.90 2138.15 0.295 122.33 2139.15 0.318 113.92
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:09:09 |