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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:16:17
WDS:
I745
WDS ID/Discoverer
P:
208.000
Orbital period (years)
a:
0.568
Semi-major axis (arcseconds)
i:
72.1
Inclination (degrees)
Ω:
238.3
Longitude of ascending node (degrees)
T:
2017.190
Epoch of periastron passage (year)
e:
0.775
Eccentricity
ω:
205.8
Longitude of periastron (degrees)
Start-Year:
1921.0
Year
End-Year:
2129.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
054241.65-670819.5
Epoch-2000 right ascension and declination
WDS-ID:
05427-6708
WDS designation
Discoverer Code:
I745
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
38746
HD catalog number
Hipparcos number:
26904
Hipparcos catalog number
V1:
7.72
Magnitude of the primary
V2:
10.26
Magnitude of the secondary
Equinox:
Equinox
Date:
2018
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 0.158 213.9
-------------------------
1921.0 0.895 247.8
1922.0 0.891 247.9
1923.0 0.887 248.1
1924.0 0.884 248.2
1925.0 0.880 248.3
1926.0 0.875 248.5
1927.0 0.871 248.6
1928.0 0.867 248.8
1929.0 0.862 248.9
1930.0 0.857 249.1
1931.0 0.853 249.2
1932.0 0.848 249.3
1933.0 0.842 249.5
1934.0 0.837 249.7
1935.0 0.832 249.8
1936.0 0.826 250.0
1937.0 0.820 250.1
1938.0 0.815 250.3
1939.0 0.809 250.5
1940.0 0.802 250.6
1941.0 0.796 250.8
1942.0 0.790 251.0
1943.0 0.783 251.1
1944.0 0.776 251.3
1945.0 0.770 251.5
1946.0 0.763 251.7
1947.0 0.755 251.9
1948.0 0.748 252.1
1949.0 0.741 252.3
1950.0 0.733 252.5
1951.0 0.725 252.7
1952.0 0.717 252.9
1953.0 0.709 253.1
1954.0 0.701 253.3
1955.0 0.693 253.5
1956.0 0.684 253.8
1957.0 0.676 254.0
1958.0 0.667 254.2
1959.0 0.658 254.5
1960.0 0.649 254.7
1961.0 0.640 255.0
1962.0 0.630 255.3
1963.0 0.621 255.5
1964.0 0.611 255.8
1965.0 0.601 256.1
1966.0 0.591 256.4
1967.0 0.581 256.7
1968.0 0.570 257.1
1969.0 0.560 257.4
1970.0 0.549 257.8
1971.0 0.538 258.1
1972.0 0.527 258.5
1973.0 0.516 258.9
1974.0 0.504 259.3
1975.0 0.493 259.8
1976.0 0.481 260.2
1977.0 0.469 260.7
1978.0 0.457 261.2
1979.0 0.445 261.7
1980.0 0.433 262.3
1981.0 0.420 262.9
1982.0 0.407 263.5
1983.0 0.394 264.2
1984.0 0.381 264.9
1985.0 0.368 265.7
1986.0 0.355 266.5
1987.0 0.341 267.4
1988.0 0.327 268.4
1989.0 0.313 269.5
1990.0 0.299 270.6
1991.0 0.285 271.9
1992.0 0.271 273.3
1993.0 0.257 274.8
1994.0 0.242 276.6
1995.0 0.228 278.6
1996.0 0.214 280.8
1997.0 0.199 283.3
1998.0 0.185 286.3
1999.0 0.171 289.7
2000.0 0.158 293.7
2001.0 0.145 298.5
2002.0 0.133 304.1
2003.0 0.122 310.8
2004.0 0.113 318.8
2005.0 0.105 327.9
2006.0 0.101 338.2
2007.0 0.099 349.0
2008.0 0.101 359.9
2009.0 0.105 10.2
2010.0 0.111 19.5
2011.0 0.119 27.7
2012.0 0.127 34.9
2013.0 0.134 41.3
2014.0 0.138 47.1
2015.0 0.139 52.7
2016.0 0.133 58.5
2017.0 0.120 65.3
2018.0 0.099 74.3
2019.0 0.075 88.9
2020.0 0.055 115.8
2021.0 0.054 155.2
2022.0 0.072 184.6
2023.0 0.099 200.0
2024.0 0.128 208.6
2025.0 0.158 213.9
2026.0 0.187 217.6
2027.0 0.215 220.3
2028.0 0.242 222.4
2029.0 0.267 224.1
2030.0 0.292 225.5
2031.0 0.316 226.7
2032.0 0.340 227.7
2033.0 0.362 228.6
2034.0 0.383 229.3
2035.0 0.404 230.0
2036.0 0.424 230.7
2037.0 0.443 231.2
2038.0 0.462 231.8
2039.0 0.480 232.3
2040.0 0.497 232.7
2041.0 0.514 233.1
2042.0 0.530 233.5
2043.0 0.546 233.9
2044.0 0.561 234.3
2045.0 0.576 234.6
2046.0 0.590 234.9
2047.0 0.604 235.2
2048.0 0.618 235.5
2049.0 0.631 235.8
2050.0 0.643 236.1
2051.0 0.656 236.3
2052.0 0.667 236.6
2053.0 0.679 236.8
2054.0 0.690 237.0
2055.0 0.701 237.3
2056.0 0.712 237.5
2057.0 0.722 237.7
2058.0 0.732 237.9
2059.0 0.741 238.1
2060.0 0.751 238.3
2061.0 0.760 238.5
2062.0 0.768 238.7
2063.0 0.777 238.9
2064.0 0.785 239.0
2065.0 0.793 239.2
2066.0 0.801 239.4
2067.0 0.808 239.5
2068.0 0.815 239.7
2069.0 0.822 239.9
2070.0 0.829 240.0
2071.0 0.835 240.2
2072.0 0.841 240.3
2073.0 0.847 240.5
2074.0 0.853 240.6
2075.0 0.859 240.8
2076.0 0.864 240.9
2077.0 0.869 241.1
2078.0 0.874 241.2
2079.0 0.879 241.4
2080.0 0.883 241.5
2081.0 0.888 241.6
2082.0 0.892 241.8
2083.0 0.896 241.9
2084.0 0.899 242.1
2085.0 0.903 242.2
2086.0 0.906 242.3
2087.0 0.909 242.5
2088.0 0.912 242.6
2089.0 0.915 242.7
2090.0 0.918 242.8
2091.0 0.920 243.0
2092.0 0.923 243.1
2093.0 0.925 243.2
2094.0 0.927 243.4
2095.0 0.928 243.5
2096.0 0.930 243.6
2097.0 0.931 243.7
2098.0 0.933 243.9
2099.0 0.934 244.0
2100.0 0.935 244.1
2101.0 0.935 244.2
2102.0 0.936 244.4
2103.0 0.936 244.5
2104.0 0.937 244.6
2105.0 0.937 244.7
2106.0 0.937 244.8
2107.0 0.937 245.0
2108.0 0.936 245.1
2109.0 0.936 245.2
2110.0 0.935 245.3
2111.0 0.934 245.5
2112.0 0.933 245.6
2113.0 0.932 245.7
2114.0 0.931 245.8
2115.0 0.930 246.0
2116.0 0.928 246.1
2117.0 0.926 246.2
2118.0 0.925 246.3
2119.0 0.923 246.5
2120.0 0.920 246.6
2121.0 0.918 246.7
2122.0 0.916 246.9
2123.0 0.913 247.0
2124.0 0.910 247.1
2125.0 0.908 247.2
2126.0 0.905 247.4
2127.0 0.901 247.5
2128.0 0.898 247.6
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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