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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:46:02
WDS:
HO43
WDS ID/Discoverer
P:
358.600
Orbital period (years)
a:
0.61
Semi-major axis (arcseconds)
i:
131.6
Inclination (degrees)
Ω:
80.0
Longitude of ascending node (degrees)
T:
1941.200
Epoch of periastron passage (year)
e:
0.4
Eccentricity
ω:
214.9
Longitude of periastron (degrees)
Start-Year:
1846.0
Year
End-Year:
2204.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
091836.25+204849.4
Epoch-2000 right ascension and declination
WDS-ID:
09186+2049
WDS designation
Discoverer Code:
HO43
Discover designation and components
ADS number:
7294
Aitken Double Star catalog
HD number:
80146
HD catalog number
Hipparcos number:
45671
Hipparcos catalog number
V1:
9.31
Magnitude of the primary
V2:
9.46
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.660 91.8
-------------------------
1846.0 0.487 5.9
1847.0 0.483 4.9
1848.0 0.480 4.0
1849.0 0.477 3.0
1850.0 0.473 2.0
1851.0 0.470 0.9
1852.0 0.467 359.9
1853.0 0.464 358.9
1854.0 0.461 357.8
1855.0 0.458 356.7
1856.0 0.455 355.6
1857.0 0.452 354.5
1858.0 0.449 353.4
1859.0 0.446 352.3
1860.0 0.444 351.1
1861.0 0.441 349.9
1862.0 0.439 348.8
1863.0 0.436 347.6
1864.0 0.434 346.4
1865.0 0.432 345.2
1866.0 0.429 343.9
1867.0 0.427 342.7
1868.0 0.425 341.5
1869.0 0.423 340.2
1870.0 0.422 338.9
1871.0 0.420 337.6
1872.0 0.418 336.3
1873.0 0.417 335.0
1874.0 0.415 333.7
1875.0 0.414 332.4
1876.0 0.413 331.1
1877.0 0.412 329.7
1878.0 0.410 328.4
1879.0 0.410 327.0
1880.0 0.409 325.7
1881.0 0.408 324.3
1882.0 0.407 322.9
1883.0 0.406 321.6
1884.0 0.406 320.2
1885.0 0.405 318.8
1886.0 0.405 317.4
1887.0 0.405 316.0
1888.0 0.405 314.6
1889.0 0.404 313.3
1890.0 0.404 311.9
1891.0 0.404 310.5
1892.0 0.404 309.1
1893.0 0.404 307.7
1894.0 0.404 306.3
1895.0 0.405 304.9
1896.0 0.405 303.5
1897.0 0.405 302.1
1898.0 0.405 300.8
1899.0 0.405 299.4
1900.0 0.406 298.0
1901.0 0.406 296.6
1902.0 0.406 295.2
1903.0 0.406 293.9
1904.0 0.407 292.5
1905.0 0.407 291.1
1906.0 0.407 289.7
1907.0 0.407 288.4
1908.0 0.407 287.0
1909.0 0.407 285.6
1910.0 0.407 284.2
1911.0 0.407 282.9
1912.0 0.406 281.5
1913.0 0.406 280.1
1914.0 0.406 278.7
1915.0 0.405 277.3
1916.0 0.404 276.0
1917.0 0.403 274.6
1918.0 0.402 273.2
1919.0 0.401 271.8
1920.0 0.400 270.3
1921.0 0.399 268.9
1922.0 0.397 267.5
1923.0 0.395 266.0
1924.0 0.393 264.6
1925.0 0.391 263.1
1926.0 0.389 261.6
1927.0 0.386 260.1
1928.0 0.383 258.5
1929.0 0.380 257.0
1930.0 0.377 255.4
1931.0 0.374 253.8
1932.0 0.370 252.1
1933.0 0.367 250.5
1934.0 0.363 248.8
1935.0 0.359 247.0
1936.0 0.354 245.2
1937.0 0.350 243.4
1938.0 0.346 241.5
1939.0 0.341 239.6
1940.0 0.336 237.6
1941.0 0.332 235.6
1942.0 0.327 233.5
1943.0 0.322 231.3
1944.0 0.317 229.1
1945.0 0.313 226.8
1946.0 0.308 224.4
1947.0 0.304 222.0
1948.0 0.299 219.5
1949.0 0.295 216.9
1950.0 0.291 214.3
1951.0 0.287 211.6
1952.0 0.284 208.8
1953.0 0.281 205.9
1954.0 0.278 203.0
1955.0 0.276 200.1
1956.0 0.274 197.0
1957.0 0.272 194.0
1958.0 0.271 190.9
1959.0 0.270 187.8
1960.0 0.270 184.7
1961.0 0.271 181.6
1962.0 0.272 178.5
1963.0 0.273 175.4
1964.0 0.275 172.4
1965.0 0.277 169.4
1966.0 0.280 166.5
1967.0 0.284 163.6
1968.0 0.287 160.8
1969.0 0.291 158.1
1970.0 0.296 155.5
1971.0 0.301 152.9
1972.0 0.306 150.5
1973.0 0.312 148.1
1974.0 0.318 145.8
1975.0 0.324 143.6
1976.0 0.330 141.4
1977.0 0.337 139.4
1978.0 0.343 137.4
1979.0 0.350 135.5
1980.0 0.357 133.7
1981.0 0.364 132.0
1982.0 0.372 130.3
1983.0 0.379 128.7
1984.0 0.386 127.1
1985.0 0.394 125.6
1986.0 0.401 124.2
1987.0 0.409 122.8
1988.0 0.417 121.5
1989.0 0.424 120.2
1990.0 0.432 119.0
1991.0 0.439 117.8
1992.0 0.447 116.6
1993.0 0.454 115.5
1994.0 0.462 114.4
1995.0 0.469 113.3
1996.0 0.477 112.3
1997.0 0.484 111.3
1998.0 0.492 110.4
1999.0 0.499 109.5
2000.0 0.506 108.6
2001.0 0.513 107.7
2002.0 0.520 106.8
2003.0 0.527 106.0
2004.0 0.534 105.2
2005.0 0.541 104.4
2006.0 0.548 103.6
2007.0 0.555 102.9
2008.0 0.561 102.2
2009.0 0.568 101.5
2010.0 0.574 100.8
2011.0 0.581 100.1
2012.0 0.587 99.4
2013.0 0.593 98.8
2014.0 0.599 98.1
2015.0 0.605 97.5
2016.0 0.611 96.9
2017.0 0.617 96.3
2018.0 0.623 95.7
2019.0 0.628 95.1
2020.0 0.634 94.5
2021.0 0.640 94.0
2022.0 0.645 93.4
2023.0 0.650 92.9
2024.0 0.655 92.3
2025.0 0.660 91.8
2026.0 0.665 91.3
2027.0 0.670 90.8
2028.0 0.675 90.3
2029.0 0.680 89.8
2030.0 0.685 89.3
2031.0 0.689 88.8
2032.0 0.694 88.4
2033.0 0.698 87.9
2034.0 0.702 87.4
2035.0 0.706 87.0
2036.0 0.710 86.5
2037.0 0.714 86.1
2038.0 0.718 85.6
2039.0 0.722 85.2
2040.0 0.726 84.7
2041.0 0.729 84.3
2042.0 0.733 83.9
2043.0 0.736 83.5
2044.0 0.740 83.1
2045.0 0.743 82.6
2046.0 0.746 82.2
2047.0 0.749 81.8
2048.0 0.752 81.4
2049.0 0.755 81.0
2050.0 0.758 80.6
2051.0 0.761 80.2
2052.0 0.764 79.8
2053.0 0.766 79.5
2054.0 0.769 79.1
2055.0 0.771 78.7
2056.0 0.774 78.3
2057.0 0.776 77.9
2058.0 0.778 77.5
2059.0 0.780 77.2
2060.0 0.782 76.8
2061.0 0.784 76.4
2062.0 0.786 76.1
2063.0 0.788 75.7
2064.0 0.789 75.3
2065.0 0.791 75.0
2066.0 0.793 74.6
2067.0 0.794 74.2
2068.0 0.795 73.9
2069.0 0.797 73.5
2070.0 0.798 73.2
2071.0 0.799 72.8
2072.0 0.800 72.4
2073.0 0.801 72.1
2074.0 0.802 71.7
2075.0 0.803 71.4
2076.0 0.804 71.0
2077.0 0.804 70.7
2078.0 0.805 70.3
2079.0 0.806 70.0
2080.0 0.806 69.6
2081.0 0.807 69.3
2082.0 0.807 68.9
2083.0 0.807 68.6
2084.0 0.807 68.2
2085.0 0.808 67.9
2086.0 0.808 67.5
2087.0 0.808 67.2
2088.0 0.808 66.8
2089.0 0.808 66.5
2090.0 0.807 66.1
2091.0 0.807 65.8
2092.0 0.807 65.4
2093.0 0.806 65.1
2094.0 0.806 64.7
2095.0 0.805 64.4
2096.0 0.805 64.0
2097.0 0.804 63.7
2098.0 0.803 63.3
2099.0 0.803 63.0
2100.0 0.802 62.6
2101.0 0.801 62.3
2102.0 0.800 61.9
2103.0 0.799 61.6
2104.0 0.798 61.2
2105.0 0.797 60.9
2106.0 0.796 60.5
2107.0 0.794 60.1
2108.0 0.793 59.8
2109.0 0.792 59.4
2110.0 0.790 59.1
2111.0 0.789 58.7
2112.0 0.787 58.3
2113.0 0.786 58.0
2114.0 0.784 57.6
2115.0 0.782 57.2
2116.0 0.780 56.8
2117.0 0.779 56.5
2118.0 0.777 56.1
2119.0 0.775 55.7
2120.0 0.773 55.3
2121.0 0.771 55.0
2122.0 0.769 54.6
2123.0 0.767 54.2
2124.0 0.764 53.8
2125.0 0.762 53.4
2126.0 0.760 53.0
2127.0 0.758 52.6
2128.0 0.755 52.2
2129.0 0.753 51.8
2130.0 0.750 51.4
2131.0 0.748 51.0
2132.0 0.745 50.6
2133.0 0.743 50.2
2134.0 0.740 49.8
2135.0 0.737 49.4
2136.0 0.734 48.9
2137.0 0.732 48.5
2138.0 0.729 48.1
2139.0 0.726 47.7
2140.0 0.723 47.2
2141.0 0.720 46.8
2142.0 0.717 46.4
2143.0 0.714 45.9
2144.0 0.711 45.5
2145.0 0.708 45.0
2146.0 0.705 44.6
2147.0 0.701 44.1
2148.0 0.698 43.6
2149.0 0.695 43.2
2150.0 0.692 42.7
2151.0 0.688 42.2
2152.0 0.685 41.7
2153.0 0.681 41.2
2154.0 0.678 40.8
2155.0 0.675 40.3
2156.0 0.671 39.8
2157.0 0.667 39.3
2158.0 0.664 38.7
2159.0 0.660 38.2
2160.0 0.657 37.7
2161.0 0.653 37.2
2162.0 0.649 36.6
2163.0 0.646 36.1
2164.0 0.642 35.5
2165.0 0.638 35.0
2166.0 0.634 34.4
2167.0 0.631 33.9
2168.0 0.627 33.3
2169.0 0.623 32.7
2170.0 0.619 32.1
2171.0 0.615 31.5
2172.0 0.612 30.9
2173.0 0.608 30.3
2174.0 0.604 29.7
2175.0 0.600 29.0
2176.0 0.596 28.4
2177.0 0.592 27.8
2178.0 0.588 27.1
2179.0 0.584 26.5
2180.0 0.580 25.8
2181.0 0.576 25.1
2182.0 0.572 24.4
2183.0 0.568 23.7
2184.0 0.564 23.0
2185.0 0.561 22.3
2186.0 0.557 21.6
2187.0 0.553 20.8
2188.0 0.549 20.1
2189.0 0.545 19.3
2190.0 0.541 18.5
2191.0 0.537 17.8
2192.0 0.533 17.0
2193.0 0.529 16.2
2194.0 0.526 15.3
2195.0 0.522 14.5
2196.0 0.518 13.7
2197.0 0.514 12.8
2198.0 0.510 12.0
2199.0 0.507 11.1
2200.0 0.503 10.2
2201.0 0.499 9.3
2202.0 0.496 8.4
2203.0 0.492 7.4
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory .
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