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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:50:57
WDS:
I468
WDS ID/Discoverer
P:
217.702
Orbital period (years)
a:
2.32852
Semi-major axis (arcseconds)
i:
41.816
Inclination (degrees)
Ω:
121.616
Longitude of ascending node (degrees)
T:
1970.722
Epoch of periastron passage (year)
e:
0.48485
Eccentricity
ω:
230.607
Longitude of periastron (degrees)
Start-Year:
1917.0
Year
End-Year:
2133.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
032335.23-400435.4
Epoch-2000 right ascension and declination
WDS-ID:
03236-4005
WDS designation
Discoverer Code:
I468
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
21175
HD catalog number
Hipparcos number:
15799
Hipparcos catalog number
V1:
6.8
Magnitude of the primary
V2:
11.0
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
Date of last observation
Orbit grade:
5
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 2.788 128.7
-------------------------
1917.0 2.081 214.8
1918.0 2.064 216.1
1919.0 2.047 217.5
1920.0 2.030 218.9
1921.0 2.014 220.3
1922.0 1.997 221.8
1923.0 1.981 223.3
1924.0 1.964 224.8
1925.0 1.949 226.3
1926.0 1.933 227.8
1927.0 1.917 229.4
1928.0 1.902 231.0
1929.0 1.887 232.7
1930.0 1.872 234.3
1931.0 1.857 236.0
1932.0 1.843 237.7
1933.0 1.828 239.4
1934.0 1.814 241.2
1935.0 1.800 243.0
1936.0 1.787 244.8
1937.0 1.773 246.6
1938.0 1.760 248.5
1939.0 1.746 250.4
1940.0 1.733 252.4
1941.0 1.719 254.3
1942.0 1.706 256.3
1943.0 1.692 258.3
1944.0 1.679 260.4
1945.0 1.665 262.5
1946.0 1.651 264.6
1947.0 1.637 266.8
1948.0 1.622 269.0
1949.0 1.607 271.2
1950.0 1.591 273.5
1951.0 1.574 275.8
1952.0 1.557 278.2
1953.0 1.539 280.7
1954.0 1.520 283.2
1955.0 1.499 285.7
1956.0 1.478 288.4
1957.0 1.455 291.1
1958.0 1.431 293.9
1959.0 1.406 296.8
1960.0 1.379 299.8
1961.0 1.350 302.9
1962.0 1.320 306.2
1963.0 1.288 309.7
1964.0 1.255 313.3
1965.0 1.221 317.1
1966.0 1.186 321.1
1967.0 1.151 325.4
1968.0 1.116 329.9
1969.0 1.082 334.8
1970.0 1.050 339.9
1971.0 1.020 345.4
1972.0 0.994 351.2
1973.0 0.972 357.2
1974.0 0.956 3.5
1975.0 0.947 10.0
1976.0 0.944 16.5
1977.0 0.948 23.0
1978.0 0.960 29.5
1979.0 0.979 35.7
1980.0 1.004 41.7
1981.0 1.035 47.3
1982.0 1.071 52.6
1983.0 1.112 57.5
1984.0 1.156 62.0
1985.0 1.203 66.2
1986.0 1.252 70.1
1987.0 1.303 73.7
1988.0 1.354 77.0
1989.0 1.407 80.1
1990.0 1.460 82.9
1991.0 1.513 85.6
1992.0 1.566 88.0
1993.0 1.618 90.3
1994.0 1.670 92.5
1995.0 1.721 94.5
1996.0 1.772 96.4
1997.0 1.821 98.3
1998.0 1.870 100.0
1999.0 1.918 101.6
2000.0 1.964 103.2
2001.0 2.010 104.6
2002.0 2.055 106.0
2003.0 2.098 107.4
2004.0 2.140 108.7
2005.0 2.182 110.0
2006.0 2.222 111.2
2007.0 2.261 112.3
2008.0 2.299 113.5
2009.0 2.336 114.5
2010.0 2.371 115.6
2011.0 2.406 116.6
2012.0 2.440 117.6
2013.0 2.472 118.6
2014.0 2.504 119.5
2015.0 2.534 120.4
2016.0 2.564 121.3
2017.0 2.593 122.2
2018.0 2.620 123.1
2019.0 2.647 123.9
2020.0 2.673 124.8
2021.0 2.698 125.6
2022.0 2.721 126.4
2023.0 2.744 127.1
2024.0 2.767 127.9
2025.0 2.788 128.7
2026.0 2.808 129.4
2027.0 2.828 130.2
2028.0 2.847 130.9
2029.0 2.865 131.6
2030.0 2.882 132.3
2031.0 2.898 133.0
2032.0 2.914 133.7
2033.0 2.929 134.4
2034.0 2.943 135.1
2035.0 2.956 135.7
2036.0 2.969 136.4
2037.0 2.981 137.1
2038.0 2.992 137.7
2039.0 3.003 138.4
2040.0 3.013 139.0
2041.0 3.022 139.7
2042.0 3.030 140.3
2043.0 3.038 140.9
2044.0 3.046 141.6
2045.0 3.052 142.2
2046.0 3.059 142.8
2047.0 3.064 143.4
2048.0 3.069 144.1
2049.0 3.073 144.7
2050.0 3.077 145.3
2051.0 3.080 145.9
2052.0 3.083 146.5
2053.0 3.085 147.1
2054.0 3.086 147.8
2055.0 3.087 148.4
2056.0 3.088 149.0
2057.0 3.087 149.6
2058.0 3.087 150.2
2059.0 3.086 150.8
2060.0 3.084 151.4
2061.0 3.082 152.0
2062.0 3.079 152.7
2063.0 3.076 153.3
2064.0 3.073 153.9
2065.0 3.069 154.5
2066.0 3.064 155.1
2067.0 3.060 155.8
2068.0 3.054 156.4
2069.0 3.049 157.0
2070.0 3.042 157.6
2071.0 3.036 158.3
2072.0 3.029 158.9
2073.0 3.021 159.6
2074.0 3.014 160.2
2075.0 3.005 160.8
2076.0 2.997 161.5
2077.0 2.988 162.1
2078.0 2.979 162.8
2079.0 2.969 163.5
2080.0 2.959 164.1
2081.0 2.948 164.8
2082.0 2.938 165.5
2083.0 2.927 166.2
2084.0 2.915 166.8
2085.0 2.903 167.5
2086.0 2.891 168.2
2087.0 2.879 168.9
2088.0 2.866 169.6
2089.0 2.853 170.3
2090.0 2.840 171.1
2091.0 2.827 171.8
2092.0 2.813 172.5
2093.0 2.799 173.3
2094.0 2.784 174.0
2095.0 2.770 174.8
2096.0 2.755 175.5
2097.0 2.740 176.3
2098.0 2.725 177.1
2099.0 2.709 177.9
2100.0 2.693 178.7
2101.0 2.677 179.5
2102.0 2.661 180.3
2103.0 2.645 181.2
2104.0 2.628 182.0
2105.0 2.612 182.9
2106.0 2.595 183.7
2107.0 2.578 184.6
2108.0 2.560 185.5
2109.0 2.543 186.4
2110.0 2.526 187.3
2111.0 2.508 188.2
2112.0 2.490 189.1
2113.0 2.472 190.1
2114.0 2.455 191.1
2115.0 2.437 192.0
2116.0 2.419 193.0
2117.0 2.400 194.0
2118.0 2.382 195.0
2119.0 2.364 196.1
2120.0 2.346 197.1
2121.0 2.328 198.2
2122.0 2.309 199.3
2123.0 2.291 200.4
2124.0 2.273 201.5
2125.0 2.255 202.7
2126.0 2.236 203.8
2127.0 2.218 205.0
2128.0 2.200 206.2
2129.0 2.182 207.4
2130.0 2.164 208.7
2131.0 2.146 209.9
2132.0 2.129 211.2
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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