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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:14:42
WDS:
HU1615
WDS ID/Discoverer
P:
357.170
Orbital period (years)
a:
0.387
Semi-major axis (arcseconds)
i:
46.0
Inclination (degrees)
Ω:
257.5
Longitude of ascending node (degrees)
T:
1999.080
Epoch of periastron passage (year)
e:
0.851
Eccentricity
ω:
263.0
Longitude of periastron (degrees)
Start-Year:
1847.0
Year
End-Year:
2203.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
203444.16-631842.0
Epoch-2000 right ascension and declination
WDS-ID:
20347-6319
WDS designation
Discoverer Code:
HU1615
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
195429
HD catalog number
Hipparcos number:
101543
Hipparcos catalog number
V1:
8.07
Magnitude of the primary
V2:
8.21
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
Date of last observation
Orbit grade:
5
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 0.255 288.5
-------------------------
1847.0 0.491 343.4
1848.0 0.490 343.6
1849.0 0.490 343.8
1850.0 0.489 344.1
1851.0 0.488 344.3
1852.0 0.488 344.5
1853.0 0.487 344.8
1854.0 0.486 345.0
1855.0 0.485 345.2
1856.0 0.485 345.5
1857.0 0.484 345.7
1858.0 0.483 345.9
1859.0 0.482 346.2
1860.0 0.481 346.4
1861.0 0.481 346.6
1862.0 0.480 346.9
1863.0 0.479 347.1
1864.0 0.478 347.4
1865.0 0.477 347.6
1866.0 0.476 347.8
1867.0 0.475 348.1
1868.0 0.474 348.3
1869.0 0.473 348.6
1870.0 0.472 348.8
1871.0 0.471 349.1
1872.0 0.470 349.3
1873.0 0.469 349.6
1874.0 0.468 349.8
1875.0 0.467 350.1
1876.0 0.465 350.3
1877.0 0.464 350.6
1878.0 0.463 350.8
1879.0 0.462 351.1
1880.0 0.461 351.4
1881.0 0.459 351.6
1882.0 0.458 351.9
1883.0 0.457 352.1
1884.0 0.456 352.4
1885.0 0.454 352.7
1886.0 0.453 352.9
1887.0 0.452 353.2
1888.0 0.450 353.5
1889.0 0.449 353.8
1890.0 0.448 354.0
1891.0 0.446 354.3
1892.0 0.445 354.6
1893.0 0.443 354.9
1894.0 0.442 355.1
1895.0 0.440 355.4
1896.0 0.439 355.7
1897.0 0.437 356.0
1898.0 0.436 356.3
1899.0 0.434 356.6
1900.0 0.432 356.9
1901.0 0.431 357.2
1902.0 0.429 357.5
1903.0 0.427 357.8
1904.0 0.426 358.1
1905.0 0.424 358.4
1906.0 0.422 358.7
1907.0 0.421 359.0
1908.0 0.419 359.3
1909.0 0.417 359.6
1910.0 0.415 359.9
1911.0 0.413 0.3
1912.0 0.411 0.6
1913.0 0.409 0.9
1914.0 0.408 1.2
1915.0 0.406 1.6
1916.0 0.404 1.9
1917.0 0.402 2.2
1918.0 0.400 2.6
1919.0 0.398 2.9
1920.0 0.395 3.3
1921.0 0.393 3.6
1922.0 0.391 4.0
1923.0 0.389 4.4
1924.0 0.387 4.7
1925.0 0.385 5.1
1926.0 0.383 5.5
1927.0 0.380 5.8
1928.0 0.378 6.2
1929.0 0.376 6.6
1930.0 0.373 7.0
1931.0 0.371 7.4
1932.0 0.368 7.8
1933.0 0.366 8.2
1934.0 0.364 8.6
1935.0 0.361 9.1
1936.0 0.359 9.5
1937.0 0.356 9.9
1938.0 0.353 10.4
1939.0 0.351 10.8
1940.0 0.348 11.2
1941.0 0.345 11.7
1942.0 0.343 12.2
1943.0 0.340 12.6
1944.0 0.337 13.1
1945.0 0.334 13.6
1946.0 0.331 14.1
1947.0 0.328 14.6
1948.0 0.325 15.1
1949.0 0.322 15.7
1950.0 0.319 16.2
1951.0 0.316 16.7
1952.0 0.313 17.3
1953.0 0.310 17.9
1954.0 0.307 18.4
1955.0 0.304 19.0
1956.0 0.300 19.6
1957.0 0.297 20.2
1958.0 0.293 20.9
1959.0 0.290 21.5
1960.0 0.286 22.2
1961.0 0.283 22.9
1962.0 0.279 23.6
1963.0 0.275 24.3
1964.0 0.272 25.0
1965.0 0.268 25.8
1966.0 0.264 26.6
1967.0 0.260 27.4
1968.0 0.256 28.2
1969.0 0.252 29.0
1970.0 0.248 29.9
1971.0 0.243 30.8
1972.0 0.239 31.8
1973.0 0.234 32.8
1974.0 0.230 33.8
1975.0 0.225 34.9
1976.0 0.220 36.0
1977.0 0.215 37.1
1978.0 0.210 38.3
1979.0 0.205 39.6
1980.0 0.200 41.0
1981.0 0.194 42.4
1982.0 0.189 43.9
1983.0 0.183 45.5
1984.0 0.177 47.2
1985.0 0.170 49.0
1986.0 0.164 51.0
1987.0 0.157 53.1
1988.0 0.150 55.5
1989.0 0.142 58.0
1990.0 0.134 60.9
1991.0 0.126 64.2
1992.0 0.117 67.9
1993.0 0.107 72.4
1994.0 0.096 77.7
1995.0 0.085 84.4
1996.0 0.073 93.3
1997.0 0.060 106.1
1998.0 0.048 125.5
1999.0 0.041 154.8
2000.0 0.043 187.9
2001.0 0.053 212.7
2002.0 0.066 228.6
2003.0 0.080 239.0
2004.0 0.093 246.5
2005.0 0.105 252.1
2006.0 0.117 256.6
2007.0 0.127 260.3
2008.0 0.137 263.4
2009.0 0.147 266.2
2010.0 0.156 268.6
2011.0 0.165 270.7
2012.0 0.173 272.7
2013.0 0.181 274.4
2014.0 0.188 276.0
2015.0 0.195 277.5
2016.0 0.202 278.9
2017.0 0.209 280.2
2018.0 0.215 281.5
2019.0 0.221 282.6
2020.0 0.227 283.7
2021.0 0.233 284.8
2022.0 0.239 285.7
2023.0 0.244 286.7
2024.0 0.250 287.6
2025.0 0.255 288.5
2026.0 0.260 289.3
2027.0 0.265 290.1
2028.0 0.270 290.9
2029.0 0.275 291.6
2030.0 0.279 292.3
2031.0 0.284 293.0
2032.0 0.288 293.7
2033.0 0.292 294.3
2034.0 0.297 295.0
2035.0 0.301 295.6
2036.0 0.305 296.2
2037.0 0.309 296.8
2038.0 0.313 297.4
2039.0 0.316 297.9
2040.0 0.320 298.5
2041.0 0.324 299.0
2042.0 0.327 299.5
2043.0 0.331 300.0
2044.0 0.334 300.5
2045.0 0.338 301.0
2046.0 0.341 301.5
2047.0 0.345 301.9
2048.0 0.348 302.4
2049.0 0.351 302.8
2050.0 0.354 303.3
2051.0 0.357 303.7
2052.0 0.360 304.2
2053.0 0.363 304.6
2054.0 0.366 305.0
2055.0 0.369 305.4
2056.0 0.372 305.8
2057.0 0.374 306.2
2058.0 0.377 306.6
2059.0 0.380 307.0
2060.0 0.382 307.4
2061.0 0.385 307.7
2062.0 0.388 308.1
2063.0 0.390 308.5
2064.0 0.393 308.8
2065.0 0.395 309.2
2066.0 0.397 309.5
2067.0 0.400 309.9
2068.0 0.402 310.2
2069.0 0.404 310.6
2070.0 0.407 310.9
2071.0 0.409 311.2
2072.0 0.411 311.5
2073.0 0.413 311.9
2074.0 0.415 312.2
2075.0 0.417 312.5
2076.0 0.419 312.8
2077.0 0.421 313.1
2078.0 0.423 313.4
2079.0 0.425 313.7
2080.0 0.427 314.1
2081.0 0.429 314.4
2082.0 0.431 314.7
2083.0 0.433 314.9
2084.0 0.435 315.2
2085.0 0.436 315.5
2086.0 0.438 315.8
2087.0 0.440 316.1
2088.0 0.441 316.4
2089.0 0.443 316.7
2090.0 0.445 316.9
2091.0 0.446 317.2
2092.0 0.448 317.5
2093.0 0.449 317.8
2094.0 0.451 318.0
2095.0 0.452 318.3
2096.0 0.454 318.6
2097.0 0.455 318.9
2098.0 0.457 319.1
2099.0 0.458 319.4
2100.0 0.459 319.6
2101.0 0.461 319.9
2102.0 0.462 320.2
2103.0 0.463 320.4
2104.0 0.465 320.7
2105.0 0.466 320.9
2106.0 0.467 321.2
2107.0 0.468 321.4
2108.0 0.469 321.7
2109.0 0.471 321.9
2110.0 0.472 322.2
2111.0 0.473 322.4
2112.0 0.474 322.7
2113.0 0.475 322.9
2114.0 0.476 323.2
2115.0 0.477 323.4
2116.0 0.478 323.6
2117.0 0.479 323.9
2118.0 0.480 324.1
2119.0 0.481 324.4
2120.0 0.482 324.6
2121.0 0.483 324.8
2122.0 0.484 325.1
2123.0 0.484 325.3
2124.0 0.485 325.5
2125.0 0.486 325.8
2126.0 0.487 326.0
2127.0 0.488 326.2
2128.0 0.488 326.5
2129.0 0.489 326.7
2130.0 0.490 326.9
2131.0 0.490 327.2
2132.0 0.491 327.4
2133.0 0.492 327.6
2134.0 0.492 327.8
2135.0 0.493 328.1
2136.0 0.493 328.3
2137.0 0.494 328.5
2138.0 0.495 328.8
2139.0 0.495 329.0
2140.0 0.496 329.2
2141.0 0.496 329.4
2142.0 0.497 329.6
2143.0 0.497 329.9
2144.0 0.497 330.1
2145.0 0.498 330.3
2146.0 0.498 330.5
2147.0 0.499 330.8
2148.0 0.499 331.0
2149.0 0.499 331.2
2150.0 0.500 331.4
2151.0 0.500 331.6
2152.0 0.500 331.9
2153.0 0.501 332.1
2154.0 0.501 332.3
2155.0 0.501 332.5
2156.0 0.501 332.7
2157.0 0.501 333.0
2158.0 0.502 333.2
2159.0 0.502 333.4
2160.0 0.502 333.6
2161.0 0.502 333.8
2162.0 0.502 334.1
2163.0 0.502 334.3
2164.0 0.502 334.5
2165.0 0.502 334.7
2166.0 0.502 334.9
2167.0 0.502 335.1
2168.0 0.502 335.4
2169.0 0.502 335.6
2170.0 0.502 335.8
2171.0 0.502 336.0
2172.0 0.502 336.2
2173.0 0.502 336.5
2174.0 0.502 336.7
2175.0 0.502 336.9
2176.0 0.502 337.1
2177.0 0.502 337.3
2178.0 0.501 337.5
2179.0 0.501 337.8
2180.0 0.501 338.0
2181.0 0.501 338.2
2182.0 0.501 338.4
2183.0 0.500 338.6
2184.0 0.500 338.9
2185.0 0.500 339.1
2186.0 0.500 339.3
2187.0 0.499 339.5
2188.0 0.499 339.7
2189.0 0.499 340.0
2190.0 0.498 340.2
2191.0 0.498 340.4
2192.0 0.497 340.6
2193.0 0.497 340.9
2194.0 0.496 341.1
2195.0 0.496 341.3
2196.0 0.496 341.5
2197.0 0.495 341.8
2198.0 0.495 342.0
2199.0 0.494 342.2
2200.0 0.493 342.4
2201.0 0.493 342.7
2202.0 0.492 342.9
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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