| WDS: | DON27 | WDS ID/Discoverer |
| P: | 460.000 | Orbital period (years) |
| a: | 0.588 | Semi-major axis (arcseconds) |
| i: | 117.6 | Inclination (degrees) |
| Ω: | 43.0 | Longitude of ascending node (degrees) |
| T: | 2017.675 | Epoch of periastron passage (year) |
| e: | 0.587 | Eccentricity |
| ω: | 77.1 | Longitude of periastron (degrees) |
| Start-Year: | 1795.0 | Year |
| End-Year: | 2255.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for DON27 |
||
| Position: | 015556.74-214931.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01559-2150 | WDS designation |
| Discoverer Code: | DON27 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 11840 | HD catalog number |
| Hipparcos number: | 9006 | Hipparcos catalog number |
| V1: | 8.79 | Magnitude of the primary |
| V2: | 10.60 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | Date of last observation |
| Orbit grade: | 4 | 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 0.140 276.91 -------------------------- 1795.00 0.460 155.87 1796.00 0.459 155.39 1797.00 0.458 154.90 1798.00 0.456 154.42 1799.00 0.455 153.93 1800.00 0.454 153.44 1801.00 0.452 152.94 1802.00 0.451 152.45 1803.00 0.450 151.95 1804.00 0.449 151.44 1805.00 0.448 150.94 1806.00 0.446 150.43 1807.00 0.445 149.92 1808.00 0.444 149.41 1809.00 0.443 148.89 1810.00 0.442 148.37 1811.00 0.441 147.85 1812.00 0.440 147.33 1813.00 0.438 146.80 1814.00 0.437 146.27 1815.00 0.436 145.74 1816.00 0.435 145.20 1817.00 0.434 144.67 1818.00 0.433 144.13 1819.00 0.432 143.58 1820.00 0.431 143.04 1821.00 0.430 142.49 1822.00 0.429 141.94 1823.00 0.429 141.39 1824.00 0.428 140.84 1825.00 0.427 140.28 1826.00 0.426 139.72 1827.00 0.425 139.16 1828.00 0.424 138.60 1829.00 0.423 138.04 1830.00 0.423 137.47 1831.00 0.422 136.90 1832.00 0.421 136.33 1833.00 0.420 135.76 1834.00 0.420 135.18 1835.00 0.419 134.60 1836.00 0.418 134.02 1837.00 0.418 133.44 1838.00 0.417 132.86 1839.00 0.417 132.28 1840.00 0.416 131.69 1841.00 0.416 131.11 1842.00 0.415 130.52 1843.00 0.414 129.93 1844.00 0.414 129.34 1845.00 0.414 128.74 1846.00 0.413 128.15 1847.00 0.413 127.55 1848.00 0.412 126.96 1849.00 0.412 126.36 1850.00 0.412 125.76 1851.00 0.411 125.16 1852.00 0.411 124.56 1853.00 0.411 123.96 1854.00 0.410 123.36 1855.00 0.410 122.76 1856.00 0.410 122.15 1857.00 0.410 121.55 1858.00 0.410 120.94 1859.00 0.410 120.34 1860.00 0.409 119.73 1861.00 0.409 119.13 1862.00 0.409 118.52 1863.00 0.409 117.92 1864.00 0.409 117.31 1865.00 0.409 116.70 1866.00 0.409 116.10 1867.00 0.409 115.49 1868.00 0.409 114.88 1869.00 0.409 114.28 1870.00 0.409 113.67 1871.00 0.409 113.07 1872.00 0.410 112.46 1873.00 0.410 111.86 1874.00 0.410 111.25 1875.00 0.410 110.65 1876.00 0.410 110.05 1877.00 0.411 109.44 1878.00 0.411 108.84 1879.00 0.411 108.24 1880.00 0.411 107.64 1881.00 0.412 107.04 1882.00 0.412 106.44 1883.00 0.412 105.84 1884.00 0.413 105.25 1885.00 0.413 104.65 1886.00 0.413 104.06 1887.00 0.414 103.46 1888.00 0.414 102.87 1889.00 0.414 102.28 1890.00 0.415 101.69 1891.00 0.415 101.10 1892.00 0.416 100.51 1893.00 0.416 99.93 1894.00 0.417 99.34 1895.00 0.417 98.76 1896.00 0.418 98.18 1897.00 0.418 97.59 1898.00 0.419 97.02 1899.00 0.419 96.44 1900.00 0.420 95.86 1901.00 0.420 95.28 1902.00 0.421 94.71 1903.00 0.421 94.14 1904.00 0.422 93.57 1905.00 0.423 93.00 1906.00 0.423 92.43 1907.00 0.424 91.86 1908.00 0.424 91.30 1909.00 0.425 90.74 1910.00 0.425 90.18 1911.00 0.426 89.61 1912.00 0.426 89.06 1913.00 0.427 88.50 1914.00 0.428 87.94 1915.00 0.428 87.39 1916.00 0.429 86.84 1917.00 0.429 86.28 1918.00 0.430 85.73 1919.00 0.430 85.18 1920.00 0.431 84.64 1921.00 0.431 84.09 1922.00 0.432 83.55 1923.00 0.432 83.00 1924.00 0.433 82.46 1925.00 0.433 81.92 1926.00 0.434 81.38 1927.00 0.434 80.84 1928.00 0.435 80.30 1929.00 0.435 79.77 1930.00 0.435 79.23 1931.00 0.436 78.70 1932.00 0.436 78.16 1933.00 0.436 77.63 1934.00 0.437 77.10 1935.00 0.437 76.56 1936.00 0.437 76.03 1937.00 0.437 75.50 1938.00 0.438 74.97 1939.00 0.438 74.44 1940.00 0.438 73.91 1941.00 0.438 73.38 1942.00 0.438 72.86 1943.00 0.438 72.33 1944.00 0.438 71.80 1945.00 0.438 71.27 1946.00 0.438 70.74 1947.00 0.438 70.21 1948.00 0.438 69.68 1949.00 0.437 69.15 1950.00 0.437 68.62 1951.00 0.437 68.09 1952.00 0.436 67.56 1953.00 0.436 67.02 1954.00 0.435 66.49 1955.00 0.435 65.95 1956.00 0.434 65.41 1957.00 0.433 64.87 1958.00 0.433 64.33 1959.00 0.432 63.79 1960.00 0.431 63.24 1961.00 0.430 62.69 1962.00 0.429 62.14 1963.00 0.427 61.59 1964.00 0.426 61.03 1965.00 0.425 60.47 1966.00 0.423 59.91 1967.00 0.422 59.34 1968.00 0.420 58.76 1969.00 0.418 58.19 1970.00 0.416 57.60 1971.00 0.414 57.01 1972.00 0.412 56.42 1973.00 0.410 55.82 1974.00 0.408 55.21 1975.00 0.405 54.60 1976.00 0.402 53.98 1977.00 0.400 53.34 1978.00 0.397 52.70 1979.00 0.394 52.05 1980.00 0.390 51.39 1981.00 0.387 50.72 1982.00 0.383 50.04 1983.00 0.379 49.34 1984.00 0.375 48.62 1985.00 0.371 47.90 1986.00 0.367 47.15 1987.00 0.362 46.39 1988.00 0.357 45.60 1989.00 0.352 44.80 1990.00 0.347 43.97 1991.00 0.341 43.11 1992.00 0.336 42.22 1993.00 0.330 41.31 1994.00 0.323 40.35 1995.00 0.317 39.36 1996.00 0.310 38.33 1997.00 0.303 37.25 1998.00 0.296 36.12 1999.00 0.288 34.92 2000.00 0.280 33.67 2001.00 0.272 32.33 2002.00 0.263 30.91 2003.00 0.254 29.40 2004.00 0.245 27.77 2005.00 0.236 26.02 2006.00 0.227 24.13 2007.00 0.217 22.07 2008.00 0.207 19.82 2009.00 0.197 17.34 2010.00 0.188 14.60 2011.00 0.178 11.55 2012.00 0.168 8.15 2013.00 0.158 4.34 2014.00 0.149 0.05 2015.00 0.141 355.22 2016.00 0.133 349.80 2017.00 0.126 343.74 2018.00 0.121 337.07 2019.00 0.117 329.84 2020.00 0.114 322.19 2021.00 0.113 314.34 2022.00 0.115 306.52 2023.00 0.118 298.98 2024.00 0.122 291.92 2025.00 0.128 285.44 2026.00 0.136 279.60 2027.00 0.144 274.38 2028.00 0.153 269.75 2029.00 0.162 265.65 2030.00 0.172 262.01 2031.00 0.182 258.77 2032.00 0.193 255.88 2033.00 0.203 253.28 2034.00 0.213 250.94 2035.00 0.224 248.81 2036.00 0.234 246.88 2037.00 0.245 245.11 2038.00 0.255 243.48 2039.00 0.265 241.97 2040.00 0.275 240.58 2041.00 0.284 239.28 2042.00 0.294 238.07 2043.00 0.303 236.93 2044.00 0.312 235.86 2045.00 0.321 234.85 2046.00 0.330 233.89 2047.00 0.339 232.98 2048.00 0.347 232.12 2049.00 0.355 231.29 2050.00 0.363 230.50 2051.00 0.371 229.75 2052.00 0.378 229.02 2053.00 0.385 228.33 2054.00 0.393 227.66 2055.00 0.400 227.01 2056.00 0.406 226.39 2057.00 0.413 225.78 2058.00 0.419 225.19 2059.00 0.426 224.63 2060.00 0.432 224.07 2061.00 0.438 223.54 2062.00 0.443 223.01 2063.00 0.449 222.50 2064.00 0.454 222.01 2065.00 0.460 221.52 2066.00 0.465 221.05 2067.00 0.470 220.58 2068.00 0.475 220.13 2069.00 0.479 219.68 2070.00 0.484 219.24 2071.00 0.489 218.81 2072.00 0.493 218.39 2073.00 0.497 217.98 2074.00 0.501 217.57 2075.00 0.505 217.17 2076.00 0.509 216.78 2077.00 0.513 216.39 2078.00 0.516 216.00 2079.00 0.520 215.63 2080.00 0.523 215.25 2081.00 0.527 214.88 2082.00 0.530 214.52 2083.00 0.533 214.16 2084.00 0.536 213.81 2085.00 0.539 213.45 2086.00 0.542 213.11 2087.00 0.545 212.76 2088.00 0.547 212.42 2089.00 0.550 212.09 2090.00 0.552 211.75 2091.00 0.555 211.42 2092.00 0.557 211.09 2093.00 0.559 210.77 2094.00 0.561 210.44 2095.00 0.563 210.12 2096.00 0.565 209.80 2097.00 0.567 209.49 2098.00 0.569 209.17 2099.00 0.571 208.86 2100.00 0.573 208.55 2101.00 0.574 208.24 2102.00 0.576 207.93 2103.00 0.577 207.63 2104.00 0.579 207.32 2105.00 0.580 207.02 2106.00 0.582 206.72 2107.00 0.583 206.42 2108.00 0.584 206.12 2109.00 0.585 205.83 2110.00 0.586 205.53 2111.00 0.587 205.24 2112.00 0.588 204.94 2113.00 0.589 204.65 2114.00 0.590 204.36 2115.00 0.591 204.07 2116.00 0.592 203.78 2117.00 0.592 203.49 2118.00 0.593 203.20 2119.00 0.594 202.91 2120.00 0.594 202.62 2121.00 0.595 202.33 2122.00 0.595 202.05 2123.00 0.596 201.76 2124.00 0.596 201.48 2125.00 0.596 201.19 2126.00 0.597 200.90 2127.00 0.597 200.62 2128.00 0.597 200.34 2129.00 0.597 200.05 2130.00 0.597 199.77 2131.00 0.597 199.48 2132.00 0.598 199.20 2133.00 0.598 198.91 2134.00 0.598 198.63 2135.00 0.597 198.34 2136.00 0.597 198.06 2137.00 0.597 197.78 2138.00 0.597 197.49 2139.00 0.597 197.21 2140.00 0.597 196.92 2141.00 0.596 196.64 2142.00 0.596 196.35 2143.00 0.596 196.07 2144.00 0.595 195.78 2145.00 0.595 195.49 2146.00 0.595 195.21 2147.00 0.594 194.92 2148.00 0.594 194.63 2149.00 0.593 194.34 2150.00 0.593 194.05 2151.00 0.592 193.76 2152.00 0.591 193.47 2153.00 0.591 193.18 2154.00 0.590 192.89 2155.00 0.590 192.60 2156.00 0.589 192.31 2157.00 0.588 192.02 2158.00 0.587 191.72 2159.00 0.587 191.43 2160.00 0.586 191.13 2161.00 0.585 190.84 2162.00 0.584 190.54 2163.00 0.583 190.24 2164.00 0.582 189.94 2165.00 0.582 189.64 2166.00 0.581 189.34 2167.00 0.580 189.04 2168.00 0.579 188.74 2169.00 0.578 188.43 2170.00 0.577 188.13 2171.00 0.576 187.82 2172.00 0.575 187.52 2173.00 0.574 187.21 2174.00 0.573 186.90 2175.00 0.571 186.59 2176.00 0.570 186.28 2177.00 0.569 185.97 2178.00 0.568 185.65 2179.00 0.567 185.34 2180.00 0.566 185.02 2181.00 0.565 184.70 2182.00 0.563 184.38 2183.00 0.562 184.06 2184.00 0.561 183.74 2185.00 0.560 183.42 2186.00 0.558 183.09 2187.00 0.557 182.77 2188.00 0.556 182.44 2189.00 0.555 182.11 2190.00 0.553 181.78 2191.00 0.552 181.45 2192.00 0.551 181.11 2193.00 0.549 180.78 2194.00 0.548 180.44 2195.00 0.547 180.10 2196.00 0.545 179.76 2197.00 0.544 179.42 2198.00 0.542 179.08 2199.00 0.541 178.73 2200.00 0.540 178.38 2201.00 0.538 178.03 2202.00 0.537 177.68 2203.00 0.535 177.33 2204.00 0.534 176.97 2205.00 0.533 176.62 2206.00 0.531 176.26 2207.00 0.530 175.90 2208.00 0.528 175.53 2209.00 0.527 175.17 2210.00 0.525 174.80 2211.00 0.524 174.43 2212.00 0.522 174.06 2213.00 0.521 173.69 2214.00 0.519 173.32 2215.00 0.518 172.94 2216.00 0.516 172.56 2217.00 0.515 172.18 2218.00 0.514 171.79 2219.00 0.512 171.41 2220.00 0.511 171.02 2221.00 0.509 170.63 2222.00 0.508 170.24 2223.00 0.506 169.84 2224.00 0.505 169.44 2225.00 0.503 169.04 2226.00 0.502 168.64 2227.00 0.500 168.24 2228.00 0.499 167.83 2229.00 0.497 167.42 2230.00 0.496 167.01 2231.00 0.494 166.59 2232.00 0.493 166.18 2233.00 0.491 165.76 2234.00 0.490 165.34 2235.00 0.488 164.91 2236.00 0.487 164.48 2237.00 0.485 164.06 2238.00 0.484 163.62 2239.00 0.482 163.19 2240.00 0.481 162.75 2241.00 0.480 162.31 2242.00 0.478 161.87 2243.00 0.477 161.42 2244.00 0.475 160.97 2245.00 0.474 160.52 2246.00 0.472 160.07 2247.00 0.471 159.61 2248.00 0.470 159.16 2249.00 0.468 158.69 2250.00 0.467 158.23 2251.00 0.466 157.76 2252.00 0.464 157.29 2253.00 0.463 156.82 2254.00 0.461 156.35
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 14:55:33 |