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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:03:04
WDS:
HDS601AA,AB
WDS ID/Discoverer
P:
285.000
Orbital period (years)
a:
1.637
Semi-major axis (arcseconds)
i:
78.6
Inclination (degrees)
Ω:
335.7
Longitude of ascending node (degrees)
T:
1999.800
Epoch of periastron passage (year)
e:
0.19
Eccentricity
ω:
253.0
Longitude of periastron (degrees)
Start-Year:
1883.0
Year
End-Year:
2167.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
043942.61+095219.4
Epoch-2000 right ascension and declination
WDS-ID:
04397+0952
WDS designation
Discoverer Code:
HDS601AA,AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
286955
HD catalog number
Hipparcos number:
21710
Hipparcos catalog number
V1:
9.36
Magnitude of the primary
V2:
12.77
Magnitude of the secondary
Equinox:
Equinox
Date:
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 0.718 316.1
-------------------------
1883.0 0.423 92.8
1884.0 0.436 96.4
1885.0 0.451 99.7
1886.0 0.467 102.9
1887.0 0.484 105.8
1888.0 0.503 108.5
1889.0 0.522 111.0
1890.0 0.542 113.3
1891.0 0.562 115.4
1892.0 0.584 117.4
1893.0 0.605 119.3
1894.0 0.627 121.0
1895.0 0.650 122.6
1896.0 0.672 124.2
1897.0 0.695 125.6
1898.0 0.718 126.9
1899.0 0.741 128.1
1900.0 0.764 129.3
1901.0 0.788 130.4
1902.0 0.811 131.4
1903.0 0.834 132.4
1904.0 0.857 133.3
1905.0 0.880 134.1
1906.0 0.903 135.0
1907.0 0.926 135.8
1908.0 0.949 136.5
1909.0 0.971 137.2
1910.0 0.994 137.9
1911.0 1.016 138.5
1912.0 1.037 139.2
1913.0 1.059 139.8
1914.0 1.080 140.3
1915.0 1.101 140.9
1916.0 1.122 141.4
1917.0 1.142 141.9
1918.0 1.162 142.4
1919.0 1.181 142.9
1920.0 1.201 143.4
1921.0 1.219 143.8
1922.0 1.238 144.3
1923.0 1.256 144.7
1924.0 1.273 145.1
1925.0 1.290 145.5
1926.0 1.307 145.9
1927.0 1.323 146.3
1928.0 1.338 146.6
1929.0 1.353 147.0
1930.0 1.368 147.4
1931.0 1.382 147.7
1932.0 1.395 148.0
1933.0 1.408 148.4
1934.0 1.420 148.7
1935.0 1.431 149.0
1936.0 1.442 149.3
1937.0 1.452 149.7
1938.0 1.462 150.0
1939.0 1.471 150.3
1940.0 1.479 150.6
1941.0 1.486 150.9
1942.0 1.493 151.2
1943.0 1.499 151.5
1944.0 1.505 151.8
1945.0 1.509 152.0
1946.0 1.513 152.3
1947.0 1.516 152.6
1948.0 1.518 152.9
1949.0 1.519 153.2
1950.0 1.520 153.5
1951.0 1.520 153.8
1952.0 1.518 154.0
1953.0 1.516 154.3
1954.0 1.514 154.6
1955.0 1.510 154.9
1956.0 1.505 155.2
1957.0 1.500 155.5
1958.0 1.493 155.8
1959.0 1.486 156.1
1960.0 1.477 156.4
1961.0 1.468 156.7
1962.0 1.458 157.0
1963.0 1.447 157.3
1964.0 1.435 157.6
1965.0 1.422 157.9
1966.0 1.408 158.3
1967.0 1.393 158.6
1968.0 1.377 158.9
1969.0 1.360 159.3
1970.0 1.343 159.6
1971.0 1.324 160.0
1972.0 1.304 160.4
1973.0 1.284 160.8
1974.0 1.262 161.2
1975.0 1.240 161.6
1976.0 1.216 162.0
1977.0 1.192 162.5
1978.0 1.167 163.0
1979.0 1.141 163.5
1980.0 1.114 164.0
1981.0 1.086 164.5
1982.0 1.058 165.1
1983.0 1.028 165.7
1984.0 0.998 166.3
1985.0 0.968 167.0
1986.0 0.936 167.7
1987.0 0.904 168.5
1988.0 0.871 169.4
1989.0 0.838 170.3
1990.0 0.804 171.2
1991.0 0.770 172.3
1992.0 0.735 173.5
1993.0 0.700 174.7
1994.0 0.665 176.1
1995.0 0.630 177.7
1996.0 0.594 179.5
1997.0 0.559 181.4
1998.0 0.524 183.7
1999.0 0.489 186.3
2000.0 0.455 189.2
2001.0 0.422 192.6
2002.0 0.390 196.6
2003.0 0.360 201.3
2004.0 0.333 206.8
2005.0 0.309 213.2
2006.0 0.289 220.5
2007.0 0.275 228.8
2008.0 0.266 237.9
2009.0 0.264 247.2
2010.0 0.269 256.5
2011.0 0.280 265.3
2012.0 0.298 273.2
2013.0 0.319 280.1
2014.0 0.345 286.1
2015.0 0.374 291.2
2016.0 0.404 295.5
2017.0 0.437 299.2
2018.0 0.470 302.4
2019.0 0.505 305.2
2020.0 0.540 307.6
2021.0 0.575 309.7
2022.0 0.611 311.6
2023.0 0.647 313.3
2024.0 0.682 314.8
2025.0 0.718 316.1
2026.0 0.754 317.3
2027.0 0.789 318.4
2028.0 0.823 319.4
2029.0 0.858 320.4
2030.0 0.892 321.2
2031.0 0.925 322.0
2032.0 0.958 322.8
2033.0 0.991 323.4
2034.0 1.023 324.1
2035.0 1.054 324.7
2036.0 1.084 325.3
2037.0 1.114 325.8
2038.0 1.144 326.3
2039.0 1.172 326.8
2040.0 1.200 327.3
2041.0 1.228 327.7
2042.0 1.254 328.2
2043.0 1.280 328.6
2044.0 1.305 329.0
2045.0 1.329 329.3
2046.0 1.353 329.7
2047.0 1.375 330.1
2048.0 1.397 330.4
2049.0 1.419 330.7
2050.0 1.439 331.1
2051.0 1.459 331.4
2052.0 1.478 331.7
2053.0 1.496 332.0
2054.0 1.513 332.3
2055.0 1.530 332.5
2056.0 1.545 332.8
2057.0 1.560 333.1
2058.0 1.575 333.4
2059.0 1.588 333.6
2060.0 1.601 333.9
2061.0 1.613 334.1
2062.0 1.624 334.4
2063.0 1.634 334.6
2064.0 1.644 334.9
2065.0 1.652 335.1
2066.0 1.661 335.4
2067.0 1.668 335.6
2068.0 1.675 335.8
2069.0 1.680 336.1
2070.0 1.686 336.3
2071.0 1.690 336.5
2072.0 1.694 336.8
2073.0 1.697 337.0
2074.0 1.699 337.2
2075.0 1.701 337.4
2076.0 1.702 337.7
2077.0 1.702 337.9
2078.0 1.701 338.1
2079.0 1.700 338.4
2080.0 1.699 338.6
2081.0 1.696 338.8
2082.0 1.693 339.0
2083.0 1.690 339.3
2084.0 1.685 339.5
2085.0 1.680 339.7
2086.0 1.675 340.0
2087.0 1.669 340.2
2088.0 1.662 340.4
2089.0 1.655 340.7
2090.0 1.647 340.9
2091.0 1.639 341.2
2092.0 1.630 341.4
2093.0 1.620 341.7
2094.0 1.610 341.9
2095.0 1.599 342.2
2096.0 1.588 342.4
2097.0 1.577 342.7
2098.0 1.564 342.9
2099.0 1.552 343.2
2100.0 1.539 343.5
2101.0 1.525 343.8
2102.0 1.511 344.1
2103.0 1.497 344.4
2104.0 1.482 344.6
2105.0 1.466 344.9
2106.0 1.450 345.3
2107.0 1.434 345.6
2108.0 1.417 345.9
2109.0 1.400 346.2
2110.0 1.383 346.6
2111.0 1.365 346.9
2112.0 1.347 347.3
2113.0 1.328 347.6
2114.0 1.309 348.0
2115.0 1.290 348.4
2116.0 1.270 348.8
2117.0 1.250 349.2
2118.0 1.230 349.6
2119.0 1.209 350.1
2120.0 1.188 350.5
2121.0 1.167 351.0
2122.0 1.146 351.5
2123.0 1.124 352.0
2124.0 1.102 352.6
2125.0 1.080 353.1
2126.0 1.058 353.7
2127.0 1.035 354.3
2128.0 1.012 354.9
2129.0 0.989 355.6
2130.0 0.966 356.2
2131.0 0.943 357.0
2132.0 0.920 357.7
2133.0 0.896 358.5
2134.0 0.873 359.4
2135.0 0.849 0.2
2136.0 0.826 1.2
2137.0 0.802 2.2
2138.0 0.779 3.2
2139.0 0.755 4.3
2140.0 0.732 5.5
2141.0 0.708 6.8
2142.0 0.685 8.2
2143.0 0.662 9.6
2144.0 0.640 11.2
2145.0 0.617 12.8
2146.0 0.595 14.6
2147.0 0.574 16.5
2148.0 0.553 18.6
2149.0 0.532 20.8
2150.0 0.513 23.2
2151.0 0.494 25.8
2152.0 0.476 28.6
2153.0 0.459 31.6
2154.0 0.444 34.9
2155.0 0.429 38.3
2156.0 0.417 42.0
2157.0 0.406 45.9
2158.0 0.397 50.0
2159.0 0.390 54.2
2160.0 0.385 58.6
2161.0 0.382 63.1
2162.0 0.381 67.6
2163.0 0.383 72.1
2164.0 0.387 76.5
2165.0 0.393 80.9
2166.0 0.401 85.0
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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