| WDS: | HDS1457AB | WDS ID/Discoverer |
| P: | 203.000 | Orbital period (years) |
| a: | 0.684 | Semi-major axis (arcseconds) |
| i: | 126.2 | Inclination (degrees) |
| Ω: | 109.1 | Longitude of ascending node (degrees) |
| T: | 1989.200 | Epoch of periastron passage (year) |
| e: | 0.649 | Eccentricity |
| ω: | 298.9 | Longitude of periastron (degrees) |
| Start-Year: | 1923.5 | Year |
| End-Year: | 2126.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HDS1457AB |
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| Position: | 100640.82+175342.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10067+1754 | WDS designation |
| Discoverer Code: | HDS1457AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 87646 | HD catalog number |
| Hipparcos number: | 49522 | Hipparcos catalog number |
| V1: | 8.29 | Magnitude of the primary |
| V2: | 10.95 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | 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: | Tok2019c | 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 0.478 38.53 -------------------------- 1923.50 0.862 317.25 1924.50 0.861 316.75 1925.50 0.860 316.24 1926.50 0.859 315.74 1927.50 0.857 315.23 1928.50 0.856 314.72 1929.50 0.854 314.21 1930.50 0.852 313.70 1931.50 0.850 313.19 1932.50 0.847 312.67 1933.50 0.844 312.15 1934.50 0.842 311.62 1935.50 0.838 311.09 1936.50 0.835 310.56 1937.50 0.831 310.03 1938.50 0.828 309.48 1939.50 0.823 308.94 1940.50 0.819 308.38 1941.50 0.814 307.83 1942.50 0.810 307.26 1943.50 0.804 306.69 1944.50 0.799 306.11 1945.50 0.793 305.52 1946.50 0.787 304.92 1947.50 0.781 304.31 1948.50 0.774 303.70 1949.50 0.767 303.07 1950.50 0.759 302.43 1951.50 0.751 301.78 1952.50 0.743 301.11 1953.50 0.735 300.42 1954.50 0.726 299.73 1955.50 0.716 299.01 1956.50 0.706 298.27 1957.50 0.696 297.51 1958.50 0.685 296.73 1959.50 0.674 295.92 1960.50 0.662 295.09 1961.50 0.650 294.22 1962.50 0.637 293.32 1963.50 0.624 292.39 1964.50 0.610 291.41 1965.50 0.595 290.38 1966.50 0.580 289.30 1967.50 0.564 288.16 1968.50 0.547 286.95 1969.50 0.529 285.66 1970.50 0.511 284.28 1971.50 0.492 282.80 1972.50 0.472 281.19 1973.50 0.451 279.44 1974.50 0.429 277.51 1975.50 0.406 275.37 1976.50 0.382 272.97 1977.50 0.358 270.24 1978.50 0.332 267.10 1979.50 0.305 263.43 1980.50 0.278 259.04 1981.50 0.251 253.71 1982.50 0.224 247.09 1983.50 0.199 238.70 1984.50 0.176 227.99 1985.50 0.159 214.54 1986.50 0.149 198.60 1987.50 0.149 181.62 1988.50 0.159 165.73 1989.50 0.175 152.28 1990.50 0.196 141.43 1991.50 0.218 132.72 1992.50 0.240 125.62 1993.50 0.261 119.69 1994.50 0.280 114.60 1995.50 0.297 110.13 1996.50 0.313 106.13 1997.50 0.326 102.48 1998.50 0.338 99.11 1999.50 0.349 95.95 2000.50 0.359 92.98 2001.50 0.367 90.15 2002.50 0.375 87.44 2003.50 0.382 84.83 2004.50 0.388 82.32 2005.50 0.393 79.87 2006.50 0.399 77.50 2007.50 0.404 75.18 2008.50 0.408 72.92 2009.50 0.412 70.70 2010.50 0.417 68.53 2011.50 0.421 66.41 2012.50 0.424 64.32 2013.50 0.428 62.27 2014.50 0.432 60.25 2015.50 0.436 58.27 2016.50 0.439 56.32 2017.50 0.443 54.40 2018.50 0.447 52.52 2019.50 0.450 50.66 2020.50 0.454 48.84 2021.50 0.458 47.05 2022.50 0.462 45.28 2023.50 0.466 43.55 2024.50 0.470 41.85 2025.50 0.474 40.17 2026.50 0.478 38.53 2027.50 0.482 36.91 2028.50 0.487 35.32 2029.50 0.491 33.76 2030.50 0.496 32.23 2031.50 0.500 30.73 2032.50 0.505 29.25 2033.50 0.510 27.80 2034.50 0.514 26.38 2035.50 0.519 24.98 2036.50 0.524 23.61 2037.50 0.529 22.27 2038.50 0.534 20.95 2039.50 0.539 19.65 2040.50 0.544 18.38 2041.50 0.550 17.14 2042.50 0.555 15.91 2043.50 0.560 14.71 2044.50 0.565 13.54 2045.50 0.571 12.38 2046.50 0.576 11.25 2047.50 0.582 10.14 2048.50 0.587 9.05 2049.50 0.593 7.97 2050.50 0.598 6.92 2051.50 0.604 5.89 2052.50 0.609 4.88 2053.50 0.615 3.88 2054.50 0.620 2.90 2055.50 0.626 1.94 2056.50 0.631 1.00 2057.50 0.637 0.07 2058.50 0.642 359.16 2059.50 0.648 358.26 2060.50 0.653 357.38 2061.50 0.659 356.51 2062.50 0.664 355.66 2063.50 0.669 354.82 2064.50 0.675 354.00 2065.50 0.680 353.19 2066.50 0.686 352.39 2067.50 0.691 351.60 2068.50 0.696 350.82 2069.50 0.701 350.06 2070.50 0.706 349.31 2071.50 0.712 348.57 2072.50 0.717 347.83 2073.50 0.722 347.11 2074.50 0.727 346.40 2075.50 0.732 345.70 2076.50 0.736 345.01 2077.50 0.741 344.33 2078.50 0.746 343.65 2079.50 0.751 342.99 2080.50 0.755 342.33 2081.50 0.760 341.68 2082.50 0.764 341.04 2083.50 0.769 340.40 2084.50 0.773 339.78 2085.50 0.777 339.16 2086.50 0.782 338.54 2087.50 0.786 337.94 2088.50 0.790 337.33 2089.50 0.794 336.74 2090.50 0.798 336.15 2091.50 0.801 335.57 2092.50 0.805 334.99 2093.50 0.809 334.42 2094.50 0.812 333.85 2095.50 0.815 333.29 2096.50 0.819 332.73 2097.50 0.822 332.17 2098.50 0.825 331.62 2099.50 0.828 331.08 2100.50 0.831 330.54 2101.50 0.834 330.00 2102.50 0.837 329.46 2103.50 0.839 328.93 2104.50 0.842 328.41 2105.50 0.844 327.88 2106.50 0.846 327.36 2107.50 0.848 326.84 2108.50 0.850 326.32 2109.50 0.852 325.81 2110.50 0.854 325.29 2111.50 0.855 324.78 2112.50 0.857 324.28 2113.50 0.858 323.77 2114.50 0.859 323.26 2115.50 0.860 322.76 2116.50 0.861 322.26 2117.50 0.862 321.75 2118.50 0.863 321.25 2119.50 0.863 320.75 2120.50 0.863 320.25 2121.50 0.864 319.75 2122.50 0.864 319.25 2123.50 0.863 318.75 2124.50 0.863 318.25 2125.50 0.863 317.75
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:24:17 |