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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:32:53
WDS:
A1813AB,C
WDS ID/Discoverer
P:
234.689
Orbital period (years)
a:
1.40294
Semi-major axis (arcseconds)
i:
118.095
Inclination (degrees)
Ω:
173.071
Longitude of ascending node (degrees)
T:
1895.749
Epoch of periastron passage (year)
e:
0.52293
Eccentricity
ω:
131.547
Longitude of periastron (degrees)
Start-Year:
1908.0
Year
End-Year:
2142.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
020212.83+364301.6
Epoch-2000 right ascension and declination
WDS-ID:
02022+3643
WDS designation
Discoverer Code:
A1813AB,C
Discover designation and components
ADS number:
1613
Aitken Double Star catalog
HD number:
12376
HD catalog number
Hipparcos number:
9500
Hipparcos catalog number
V1:
8.29
Magnitude of the primary
V2:
11.19
Magnitude of the secondary
Equinox:
Equinox
Date:
2009
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 1.717 195.8
-------------------------
1908.0 0.799 346.9
1909.0 0.808 345.1
1910.0 0.816 343.2
1911.0 0.821 341.4
1912.0 0.825 339.6
1913.0 0.828 337.9
1914.0 0.829 336.1
1915.0 0.830 334.3
1916.0 0.829 332.6
1917.0 0.827 330.8
1918.0 0.825 329.0
1919.0 0.821 327.2
1920.0 0.818 325.4
1921.0 0.814 323.6
1922.0 0.809 321.8
1923.0 0.804 319.9
1924.0 0.799 318.0
1925.0 0.794 316.1
1926.0 0.789 314.2
1927.0 0.784 312.2
1928.0 0.779 310.2
1929.0 0.774 308.2
1930.0 0.770 306.2
1931.0 0.765 304.1
1932.0 0.761 302.1
1933.0 0.758 300.0
1934.0 0.755 297.8
1935.0 0.752 295.7
1936.0 0.750 293.6
1937.0 0.749 291.4
1938.0 0.748 289.2
1939.0 0.747 287.1
1940.0 0.748 284.9
1941.0 0.748 282.7
1942.0 0.750 280.6
1943.0 0.752 278.4
1944.0 0.755 276.3
1945.0 0.758 274.2
1946.0 0.763 272.1
1947.0 0.767 270.0
1948.0 0.773 268.0
1949.0 0.779 265.9
1950.0 0.785 264.0
1951.0 0.793 262.0
1952.0 0.800 260.1
1953.0 0.809 258.2
1954.0 0.818 256.4
1955.0 0.827 254.6
1956.0 0.837 252.9
1957.0 0.847 251.1
1958.0 0.858 249.5
1959.0 0.869 247.9
1960.0 0.881 246.3
1961.0 0.893 244.7
1962.0 0.905 243.2
1963.0 0.917 241.8
1964.0 0.930 240.3
1965.0 0.943 239.0
1966.0 0.957 237.6
1967.0 0.970 236.3
1968.0 0.984 235.0
1969.0 0.998 233.8
1970.0 1.012 232.6
1971.0 1.026 231.4
1972.0 1.041 230.3
1973.0 1.055 229.2
1974.0 1.070 228.1
1975.0 1.085 227.1
1976.0 1.099 226.1
1977.0 1.114 225.1
1978.0 1.129 224.1
1979.0 1.144 223.2
1980.0 1.159 222.3
1981.0 1.174 221.4
1982.0 1.189 220.5
1983.0 1.204 219.7
1984.0 1.219 218.8
1985.0 1.234 218.0
1986.0 1.248 217.2
1987.0 1.263 216.5
1988.0 1.278 215.7
1989.0 1.292 215.0
1990.0 1.307 214.3
1991.0 1.321 213.6
1992.0 1.336 212.9
1993.0 1.350 212.2
1994.0 1.364 211.6
1995.0 1.378 210.9
1996.0 1.392 210.3
1997.0 1.406 209.7
1998.0 1.419 209.1
1999.0 1.433 208.5
2000.0 1.446 207.9
2001.0 1.459 207.3
2002.0 1.472 206.7
2003.0 1.485 206.2
2004.0 1.498 205.6
2005.0 1.510 205.1
2006.0 1.523 204.6
2007.0 1.535 204.1
2008.0 1.547 203.5
2009.0 1.559 203.0
2010.0 1.570 202.5
2011.0 1.582 202.1
2012.0 1.593 201.6
2013.0 1.604 201.1
2014.0 1.614 200.6
2015.0 1.625 200.2
2016.0 1.635 199.7
2017.0 1.645 199.3
2018.0 1.655 198.8
2019.0 1.665 198.4
2020.0 1.674 197.9
2021.0 1.683 197.5
2022.0 1.692 197.1
2023.0 1.700 196.7
2024.0 1.709 196.3
2025.0 1.717 195.8
2026.0 1.725 195.4
2027.0 1.732 195.0
2028.0 1.739 194.6
2029.0 1.746 194.2
2030.0 1.753 193.8
2031.0 1.759 193.4
2032.0 1.765 193.0
2033.0 1.771 192.7
2034.0 1.777 192.3
2035.0 1.782 191.9
2036.0 1.787 191.5
2037.0 1.791 191.1
2038.0 1.796 190.8
2039.0 1.799 190.4
2040.0 1.803 190.0
2041.0 1.806 189.6
2042.0 1.809 189.3
2043.0 1.812 188.9
2044.0 1.814 188.5
2045.0 1.816 188.2
2046.0 1.817 187.8
2047.0 1.818 187.4
2048.0 1.819 187.1
2049.0 1.820 186.7
2050.0 1.820 186.3
2051.0 1.819 186.0
2052.0 1.818 185.6
2053.0 1.817 185.2
2054.0 1.815 184.9
2055.0 1.813 184.5
2056.0 1.811 184.1
2057.0 1.808 183.7
2058.0 1.805 183.4
2059.0 1.801 183.0
2060.0 1.797 182.6
2061.0 1.792 182.3
2062.0 1.787 181.9
2063.0 1.782 181.5
2064.0 1.775 181.1
2065.0 1.769 180.7
2066.0 1.762 180.3
2067.0 1.754 179.9
2068.0 1.746 179.5
2069.0 1.738 179.1
2070.0 1.728 178.7
2071.0 1.719 178.3
2072.0 1.709 177.9
2073.0 1.698 177.5
2074.0 1.686 177.1
2075.0 1.674 176.7
2076.0 1.662 176.2
2077.0 1.649 175.8
2078.0 1.635 175.3
2079.0 1.621 174.9
2080.0 1.605 174.4
2081.0 1.590 173.9
2082.0 1.573 173.4
2083.0 1.556 172.9
2084.0 1.539 172.4
2085.0 1.520 171.9
2086.0 1.501 171.4
2087.0 1.481 170.8
2088.0 1.460 170.3
2089.0 1.439 169.7
2090.0 1.416 169.1
2091.0 1.393 168.5
2092.0 1.369 167.9
2093.0 1.345 167.2
2094.0 1.319 166.5
2095.0 1.293 165.8
2096.0 1.265 165.1
2097.0 1.237 164.3
2098.0 1.208 163.5
2099.0 1.178 162.6
2100.0 1.147 161.7
2101.0 1.115 160.8
2102.0 1.082 159.8
2103.0 1.048 158.7
2104.0 1.013 157.6
2105.0 0.978 156.4
2106.0 0.941 155.0
2107.0 0.903 153.6
2108.0 0.865 152.1
2109.0 0.825 150.4
2110.0 0.785 148.5
2111.0 0.745 146.4
2112.0 0.703 144.1
2113.0 0.662 141.5
2114.0 0.620 138.6
2115.0 0.579 135.2
2116.0 0.538 131.3
2117.0 0.498 126.8
2118.0 0.461 121.5
2119.0 0.426 115.3
2120.0 0.396 108.1
2121.0 0.371 99.8
2122.0 0.353 90.5
2123.0 0.343 80.5
2124.0 0.343 70.1
2125.0 0.352 60.1
2126.0 0.369 50.7
2127.0 0.393 42.4
2128.0 0.422 35.0
2129.0 0.454 28.7
2130.0 0.488 23.2
2131.0 0.522 18.5
2132.0 0.556 14.3
2133.0 0.589 10.6
2134.0 0.621 7.3
2135.0 0.651 4.3
2136.0 0.678 1.5
2137.0 0.703 359.0
2138.0 0.726 356.6
2139.0 0.746 354.4
2140.0 0.763 352.3
2141.0 0.778 350.2
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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