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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:35:02
WDS:
HU1274
WDS ID/Discoverer
P:
361.000
Orbital period (years)
a:
0.576
Semi-major axis (arcseconds)
i:
101.7
Inclination (degrees)
Ω:
124.4
Longitude of ascending node (degrees)
T:
1974.300
Epoch of periastron passage (year)
e:
0.0
Eccentricity
ω:
0.0
Longitude of periastron (degrees)
Start-Year:
1845.0
Year
End-Year:
2205.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
155500.37-192258.4
Epoch-2000 right ascension and declination
WDS-ID:
15550-1923
WDS designation
Discoverer Code:
HU1274
Discover designation and components
ADS number:
9834
Aitken Double Star catalog
HD number:
142378
HD catalog number
Hipparcos number:
77939
Hipparcos catalog number
V1:
6.04
Magnitude of the primary
V2:
8.50
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2009
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.377 110.6
-------------------------
1845.0 0.373 290.3
1846.0 0.366 289.8
1847.0 0.359 289.3
1848.0 0.351 288.8
1849.0 0.344 288.2
1850.0 0.336 287.6
1851.0 0.328 287.0
1852.0 0.321 286.4
1853.0 0.313 285.7
1854.0 0.305 285.0
1855.0 0.297 284.3
1856.0 0.289 283.5
1857.0 0.281 282.7
1858.0 0.273 281.8
1859.0 0.265 280.9
1860.0 0.257 279.9
1861.0 0.249 278.8
1862.0 0.241 277.7
1863.0 0.233 276.5
1864.0 0.225 275.3
1865.0 0.218 273.9
1866.0 0.210 272.4
1867.0 0.202 270.8
1868.0 0.194 269.1
1869.0 0.187 267.3
1870.0 0.180 265.3
1871.0 0.173 263.1
1872.0 0.166 260.8
1873.0 0.159 258.2
1874.0 0.153 255.5
1875.0 0.147 252.5
1876.0 0.141 249.2
1877.0 0.136 245.7
1878.0 0.131 241.9
1879.0 0.127 237.9
1880.0 0.123 233.6
1881.0 0.121 229.1
1882.0 0.119 224.4
1883.0 0.117 219.6
1884.0 0.117 214.6
1885.0 0.117 209.7
1886.0 0.118 204.9
1887.0 0.120 200.2
1888.0 0.123 195.6
1889.0 0.126 191.3
1890.0 0.131 187.3
1891.0 0.135 183.5
1892.0 0.140 179.9
1893.0 0.146 176.6
1894.0 0.152 173.6
1895.0 0.158 170.8
1896.0 0.165 168.3
1897.0 0.172 165.9
1898.0 0.179 163.7
1899.0 0.186 161.7
1900.0 0.194 159.8
1901.0 0.201 158.1
1902.0 0.209 156.5
1903.0 0.217 155.0
1904.0 0.225 153.7
1905.0 0.233 152.4
1906.0 0.241 151.2
1907.0 0.249 150.1
1908.0 0.257 149.0
1909.0 0.264 148.0
1910.0 0.272 147.1
1911.0 0.280 146.2
1912.0 0.288 145.4
1913.0 0.296 144.6
1914.0 0.304 143.8
1915.0 0.312 143.1
1916.0 0.320 142.5
1917.0 0.328 141.8
1918.0 0.335 141.2
1919.0 0.343 140.6
1920.0 0.350 140.1
1921.0 0.358 139.5
1922.0 0.365 139.0
1923.0 0.373 138.5
1924.0 0.380 138.1
1925.0 0.387 137.6
1926.0 0.394 137.2
1927.0 0.401 136.7
1928.0 0.408 136.3
1929.0 0.414 135.9
1930.0 0.421 135.5
1931.0 0.428 135.2
1932.0 0.434 134.8
1933.0 0.440 134.5
1934.0 0.446 134.1
1935.0 0.452 133.8
1936.0 0.458 133.5
1937.0 0.464 133.1
1938.0 0.470 132.8
1939.0 0.475 132.5
1940.0 0.481 132.2
1941.0 0.486 132.0
1942.0 0.491 131.7
1943.0 0.496 131.4
1944.0 0.501 131.1
1945.0 0.506 130.9
1946.0 0.511 130.6
1947.0 0.515 130.4
1948.0 0.519 130.1
1949.0 0.523 129.9
1950.0 0.527 129.6
1951.0 0.531 129.4
1952.0 0.535 129.1
1953.0 0.539 128.9
1954.0 0.542 128.7
1955.0 0.545 128.4
1956.0 0.548 128.2
1957.0 0.551 128.0
1958.0 0.554 127.8
1959.0 0.557 127.6
1960.0 0.559 127.4
1961.0 0.561 127.1
1962.0 0.563 126.9
1963.0 0.565 126.7
1964.0 0.567 126.5
1965.0 0.569 126.3
1966.0 0.570 126.1
1967.0 0.572 125.9
1968.0 0.573 125.7
1969.0 0.574 125.5
1970.0 0.574 125.3
1971.0 0.575 125.1
1972.0 0.576 124.9
1973.0 0.576 124.7
1974.0 0.576 124.5
1975.0 0.576 124.3
1976.0 0.576 124.1
1977.0 0.575 123.9
1978.0 0.575 123.7
1979.0 0.574 123.4
1980.0 0.573 123.2
1981.0 0.572 123.0
1982.0 0.571 122.8
1983.0 0.570 122.6
1984.0 0.568 122.4
1985.0 0.566 122.2
1986.0 0.565 122.0
1987.0 0.563 121.8
1988.0 0.560 121.6
1989.0 0.558 121.4
1990.0 0.556 121.1
1991.0 0.553 120.9
1992.0 0.550 120.7
1993.0 0.547 120.5
1994.0 0.544 120.3
1995.0 0.541 120.0
1996.0 0.537 119.8
1997.0 0.534 119.6
1998.0 0.530 119.3
1999.0 0.526 119.1
2000.0 0.522 118.8
2001.0 0.518 118.6
2002.0 0.513 118.3
2003.0 0.509 118.1
2004.0 0.504 117.8
2005.0 0.499 117.6
2006.0 0.494 117.3
2007.0 0.489 117.0
2008.0 0.484 116.7
2009.0 0.479 116.4
2010.0 0.473 116.1
2011.0 0.468 115.8
2012.0 0.462 115.5
2013.0 0.456 115.2
2014.0 0.450 114.9
2015.0 0.444 114.5
2016.0 0.438 114.2
2017.0 0.431 113.8
2018.0 0.425 113.5
2019.0 0.418 113.1
2020.0 0.412 112.7
2021.0 0.405 112.3
2022.0 0.398 111.9
2023.0 0.391 111.5
2024.0 0.384 111.0
2025.0 0.377 110.6
2026.0 0.370 110.1
2027.0 0.362 109.6
2028.0 0.355 109.0
2029.0 0.347 108.5
2030.0 0.340 107.9
2031.0 0.332 107.3
2032.0 0.324 106.7
2033.0 0.317 106.1
2034.0 0.309 105.4
2035.0 0.301 104.7
2036.0 0.293 103.9
2037.0 0.285 103.1
2038.0 0.277 102.2
2039.0 0.269 101.3
2040.0 0.261 100.4
2041.0 0.253 99.4
2042.0 0.245 98.3
2043.0 0.237 97.1
2044.0 0.229 95.9
2045.0 0.222 94.6
2046.0 0.214 93.2
2047.0 0.206 91.7
2048.0 0.198 90.0
2049.0 0.191 88.2
2050.0 0.183 86.3
2051.0 0.176 84.2
2052.0 0.169 82.0
2053.0 0.162 79.5
2054.0 0.156 76.9
2055.0 0.150 74.0
2056.0 0.144 70.9
2057.0 0.138 67.5
2058.0 0.133 63.9
2059.0 0.129 59.9
2060.0 0.125 55.8
2061.0 0.122 51.4
2062.0 0.119 46.8
2063.0 0.118 42.0
2064.0 0.117 37.1
2065.0 0.117 32.2
2066.0 0.118 27.3
2067.0 0.119 22.5
2068.0 0.122 17.9
2069.0 0.125 13.5
2070.0 0.128 9.3
2071.0 0.133 5.3
2072.0 0.138 1.7
2073.0 0.143 358.3
2074.0 0.149 355.1
2075.0 0.155 352.2
2076.0 0.162 349.5
2077.0 0.168 347.0
2078.0 0.175 344.8
2079.0 0.183 342.7
2080.0 0.190 340.7
2081.0 0.198 339.0
2082.0 0.205 337.3
2083.0 0.213 335.8
2084.0 0.221 334.3
2085.0 0.229 333.0
2086.0 0.237 331.8
2087.0 0.245 330.6
2088.0 0.253 329.5
2089.0 0.261 328.5
2090.0 0.268 327.5
2091.0 0.276 326.6
2092.0 0.284 325.8
2093.0 0.292 325.0
2094.0 0.300 324.2
2095.0 0.308 323.5
2096.0 0.316 322.8
2097.0 0.324 322.1
2098.0 0.331 321.5
2099.0 0.339 320.9
2100.0 0.347 320.4
2101.0 0.354 319.8
2102.0 0.362 319.3
2103.0 0.369 318.8
2104.0 0.376 318.3
2105.0 0.383 317.8
2106.0 0.390 317.4
2107.0 0.397 316.9
2108.0 0.404 316.5
2109.0 0.411 316.1
2110.0 0.418 315.7
2111.0 0.424 315.4
2112.0 0.431 315.0
2113.0 0.437 314.6
2114.0 0.443 314.3
2115.0 0.449 314.0
2116.0 0.455 313.6
2117.0 0.461 313.3
2118.0 0.467 313.0
2119.0 0.473 312.7
2120.0 0.478 312.4
2121.0 0.484 312.1
2122.0 0.489 311.8
2123.0 0.494 311.5
2124.0 0.499 311.3
2125.0 0.504 311.0
2126.0 0.508 310.7
2127.0 0.513 310.5
2128.0 0.517 310.2
2129.0 0.521 310.0
2130.0 0.525 309.7
2131.0 0.529 309.5
2132.0 0.533 309.3
2133.0 0.537 309.0
2134.0 0.540 308.8
2135.0 0.544 308.6
2136.0 0.547 308.3
2137.0 0.550 308.1
2138.0 0.553 307.9
2139.0 0.555 307.7
2140.0 0.558 307.5
2141.0 0.560 307.2
2142.0 0.562 307.0
2143.0 0.564 306.8
2144.0 0.566 306.6
2145.0 0.568 306.4
2146.0 0.570 306.2
2147.0 0.571 306.0
2148.0 0.572 305.8
2149.0 0.573 305.6
2150.0 0.574 305.4
2151.0 0.575 305.2
2152.0 0.575 305.0
2153.0 0.576 304.8
2154.0 0.576 304.6
2155.0 0.576 304.4
2156.0 0.576 304.2
2157.0 0.576 304.0
2158.0 0.575 303.8
2159.0 0.575 303.5
2160.0 0.574 303.3
2161.0 0.573 303.1
2162.0 0.572 302.9
2163.0 0.570 302.7
2164.0 0.569 302.5
2165.0 0.567 302.3
2166.0 0.566 302.1
2167.0 0.564 301.9
2168.0 0.561 301.7
2169.0 0.559 301.5
2170.0 0.557 301.3
2171.0 0.554 301.0
2172.0 0.551 300.8
2173.0 0.549 300.6
2174.0 0.545 300.4
2175.0 0.542 300.1
2176.0 0.539 299.9
2177.0 0.535 299.7
2178.0 0.532 299.4
2179.0 0.528 299.2
2180.0 0.524 299.0
2181.0 0.520 298.7
2182.0 0.515 298.5
2183.0 0.511 298.2
2184.0 0.506 298.0
2185.0 0.502 297.7
2186.0 0.497 297.4
2187.0 0.492 297.1
2188.0 0.487 296.9
2189.0 0.481 296.6
2190.0 0.476 296.3
2191.0 0.470 296.0
2192.0 0.465 295.7
2193.0 0.459 295.4
2194.0 0.453 295.0
2195.0 0.447 294.7
2196.0 0.441 294.4
2197.0 0.435 294.0
2198.0 0.428 293.7
2199.0 0.422 293.3
2200.0 0.415 292.9
2201.0 0.408 292.5
2202.0 0.402 292.1
2203.0 0.395 291.7
2204.0 0.388 291.2
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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