| WDS: | A1874AB | WDS ID/Discoverer |
| P: | 311.000 | Orbital period (years) |
| a: | 2.95 | Semi-major axis (arcseconds) |
| i: | 64.0 | Inclination (degrees) |
| Ω: | 256.0 | Longitude of ascending node (degrees) |
| T: | 1852.000 | Epoch of periastron passage (year) |
| e: | 0.86 | Eccentricity |
| ω: | 332.0 | Longitude of periastron (degrees) |
| Start-Year: | 1869.5 | Year |
| End-Year: | 2180.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1874AB |
||
| Position: | 165753.18+472200.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16579+4722 | WDS designation |
| Discoverer Code: | A1874AB | Discover designation and components |
| ADS number: | 10288 | Aitken Double Star catalog |
| HD number: | 153557 | HD catalog number |
| Hipparcos number: | 83020 | Hipparcos catalog number |
| V1: | 7.93 | Magnitude of the primary |
| V2: | 10.85 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2007 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Kis2009b | 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 5.034 64.58 -------------------------- 1869.50 0.933 17.96 1870.50 0.990 20.40 1871.50 1.046 22.57 1872.50 1.103 24.53 1873.50 1.159 26.29 1874.50 1.215 27.89 1875.50 1.271 29.35 1876.50 1.327 30.69 1877.50 1.382 31.91 1878.50 1.437 33.05 1879.50 1.491 34.10 1880.50 1.545 35.08 1881.50 1.598 35.99 1882.50 1.650 36.85 1883.50 1.703 37.65 1884.50 1.754 38.40 1885.50 1.805 39.12 1886.50 1.856 39.79 1887.50 1.906 40.43 1888.50 1.955 41.03 1889.50 2.004 41.60 1890.50 2.052 42.15 1891.50 2.100 42.68 1892.50 2.147 43.18 1893.50 2.194 43.65 1894.50 2.240 44.11 1895.50 2.286 44.55 1896.50 2.331 44.97 1897.50 2.376 45.38 1898.50 2.420 45.77 1899.50 2.464 46.15 1900.50 2.507 46.52 1901.50 2.550 46.87 1902.50 2.592 47.21 1903.50 2.634 47.54 1904.50 2.675 47.86 1905.50 2.716 48.17 1906.50 2.757 48.47 1907.50 2.797 48.76 1908.50 2.836 49.05 1909.50 2.875 49.32 1910.50 2.914 49.59 1911.50 2.952 49.85 1912.50 2.990 50.11 1913.50 3.027 50.36 1914.50 3.064 50.60 1915.50 3.101 50.84 1916.50 3.137 51.07 1917.50 3.172 51.30 1918.50 3.208 51.52 1919.50 3.242 51.73 1920.50 3.277 51.95 1921.50 3.311 52.15 1922.50 3.345 52.36 1923.50 3.378 52.56 1924.50 3.411 52.75 1925.50 3.443 52.94 1926.50 3.475 53.13 1927.50 3.507 53.32 1928.50 3.539 53.50 1929.50 3.570 53.68 1930.50 3.600 53.85 1931.50 3.630 54.03 1932.50 3.660 54.19 1933.50 3.690 54.36 1934.50 3.719 54.53 1935.50 3.748 54.69 1936.50 3.776 54.85 1937.50 3.804 55.00 1938.50 3.832 55.16 1939.50 3.860 55.31 1940.50 3.887 55.46 1941.50 3.913 55.61 1942.50 3.940 55.76 1943.50 3.966 55.90 1944.50 3.991 56.04 1945.50 4.017 56.18 1946.50 4.042 56.32 1947.50 4.066 56.46 1948.50 4.091 56.59 1949.50 4.115 56.73 1950.50 4.138 56.86 1951.50 4.162 56.99 1952.50 4.185 57.12 1953.50 4.208 57.25 1954.50 4.230 57.37 1955.50 4.252 57.50 1956.50 4.274 57.62 1957.50 4.295 57.75 1958.50 4.316 57.87 1959.50 4.337 57.99 1960.50 4.358 58.11 1961.50 4.378 58.23 1962.50 4.398 58.34 1963.50 4.417 58.46 1964.50 4.436 58.57 1965.50 4.455 58.69 1966.50 4.474 58.80 1967.50 4.492 58.91 1968.50 4.510 59.02 1969.50 4.528 59.13 1970.50 4.545 59.24 1971.50 4.562 59.35 1972.50 4.579 59.46 1973.50 4.595 59.57 1974.50 4.611 59.67 1975.50 4.627 59.78 1976.50 4.643 59.88 1977.50 4.658 59.99 1978.50 4.673 60.09 1979.50 4.688 60.20 1980.50 4.702 60.30 1981.50 4.716 60.40 1982.50 4.730 60.50 1983.50 4.743 60.60 1984.50 4.756 60.70 1985.50 4.769 60.80 1986.50 4.781 60.90 1987.50 4.794 61.00 1988.50 4.805 61.09 1989.50 4.817 61.19 1990.50 4.828 61.29 1991.50 4.839 61.39 1992.50 4.850 61.48 1993.50 4.861 61.58 1994.50 4.871 61.67 1995.50 4.880 61.77 1996.50 4.890 61.86 1997.50 4.899 61.96 1998.50 4.908 62.05 1999.50 4.917 62.14 2000.50 4.925 62.24 2001.50 4.933 62.33 2002.50 4.941 62.42 2003.50 4.948 62.51 2004.50 4.955 62.61 2005.50 4.962 62.70 2006.50 4.968 62.79 2007.50 4.975 62.88 2008.50 4.980 62.97 2009.50 4.986 63.06 2010.50 4.991 63.15 2011.50 4.996 63.24 2012.50 5.001 63.33 2013.50 5.005 63.42 2014.50 5.009 63.51 2015.50 5.013 63.60 2016.50 5.017 63.69 2017.50 5.020 63.78 2018.50 5.023 63.87 2019.50 5.025 63.96 2020.50 5.027 64.05 2021.50 5.029 64.14 2022.50 5.031 64.23 2023.50 5.032 64.32 2024.50 5.033 64.40 2025.50 5.034 64.49 2026.50 5.034 64.58 2027.50 5.034 64.67 2028.50 5.034 64.76 2029.50 5.033 64.85 2030.50 5.032 64.94 2031.50 5.031 65.03 2032.50 5.029 65.12 2033.50 5.027 65.21 2034.50 5.025 65.30 2035.50 5.023 65.38 2036.50 5.020 65.47 2037.50 5.016 65.56 2038.50 5.013 65.65 2039.50 5.009 65.74 2040.50 5.005 65.83 2041.50 5.000 65.92 2042.50 4.995 66.01 2043.50 4.990 66.10 2044.50 4.985 66.19 2045.50 4.979 66.28 2046.50 4.972 66.38 2047.50 4.966 66.47 2048.50 4.959 66.56 2049.50 4.952 66.65 2050.50 4.944 66.74 2051.50 4.936 66.83 2052.50 4.927 66.93 2053.50 4.919 67.02 2054.50 4.910 67.11 2055.50 4.900 67.21 2056.50 4.890 67.30 2057.50 4.880 67.40 2058.50 4.870 67.49 2059.50 4.859 67.59 2060.50 4.847 67.68 2061.50 4.836 67.78 2062.50 4.824 67.87 2063.50 4.811 67.97 2064.50 4.798 68.07 2065.50 4.785 68.17 2066.50 4.772 68.27 2067.50 4.757 68.36 2068.50 4.743 68.46 2069.50 4.728 68.57 2070.50 4.713 68.67 2071.50 4.697 68.77 2072.50 4.681 68.87 2073.50 4.665 68.97 2074.50 4.648 69.08 2075.50 4.631 69.18 2076.50 4.613 69.29 2077.50 4.595 69.39 2078.50 4.576 69.50 2079.50 4.557 69.61 2080.50 4.537 69.72 2081.50 4.517 69.83 2082.50 4.497 69.94 2083.50 4.476 70.05 2084.50 4.454 70.16 2085.50 4.433 70.28 2086.50 4.410 70.39 2087.50 4.387 70.51 2088.50 4.364 70.63 2089.50 4.340 70.75 2090.50 4.316 70.87 2091.50 4.291 70.99 2092.50 4.265 71.11 2093.50 4.240 71.24 2094.50 4.213 71.36 2095.50 4.186 71.49 2096.50 4.158 71.62 2097.50 4.130 71.75 2098.50 4.102 71.88 2099.50 4.072 72.02 2100.50 4.042 72.16 2101.50 4.012 72.29 2102.50 3.981 72.44 2103.50 3.949 72.58 2104.50 3.917 72.73 2105.50 3.884 72.87 2106.50 3.850 73.02 2107.50 3.816 73.18 2108.50 3.781 73.33 2109.50 3.745 73.49 2110.50 3.709 73.65 2111.50 3.672 73.82 2112.50 3.634 73.99 2113.50 3.595 74.16 2114.50 3.556 74.34 2115.50 3.516 74.52 2116.50 3.475 74.70 2117.50 3.433 74.89 2118.50 3.390 75.09 2119.50 3.347 75.28 2120.50 3.302 75.49 2121.50 3.257 75.70 2122.50 3.211 75.91 2123.50 3.163 76.13 2124.50 3.115 76.36 2125.50 3.066 76.60 2126.50 3.015 76.84 2127.50 2.964 77.10 2128.50 2.911 77.36 2129.50 2.858 77.63 2130.50 2.803 77.91 2131.50 2.746 78.20 2132.50 2.689 78.51 2133.50 2.630 78.82 2134.50 2.570 79.16 2135.50 2.508 79.51 2136.50 2.445 79.88 2137.50 2.380 80.26 2138.50 2.313 80.67 2139.50 2.245 81.11 2140.50 2.175 81.57 2141.50 2.103 82.06 2142.50 2.029 82.59 2143.50 1.953 83.16 2144.50 1.874 83.77 2145.50 1.793 84.44 2146.50 1.709 85.18 2147.50 1.623 85.99 2148.50 1.534 86.89 2149.50 1.441 87.91 2150.50 1.345 89.08 2151.50 1.246 90.42 2152.50 1.142 92.00 2153.50 1.034 93.91 2154.50 0.922 96.27 2155.50 0.805 99.31 2156.50 0.683 103.41 2157.50 0.558 109.32 2158.50 0.432 118.69 2159.50 0.316 135.36 2160.50 0.239 166.41 2161.50 0.252 206.40 2162.50 0.332 233.83 2163.50 0.411 250.18 2164.50 0.457 262.03 2165.50 0.473 272.37 2166.50 0.473 282.40 2167.50 0.468 292.57 2168.50 0.467 302.90 2169.50 0.471 313.18 2170.50 0.485 323.07 2171.50 0.507 332.26 2172.50 0.538 340.54 2173.50 0.575 347.83 2174.50 0.618 354.18 2175.50 0.665 359.67 2176.50 0.715 4.40 2177.50 0.768 8.51 2178.50 0.822 12.08 2179.50 0.877 15.20
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:32:33 |