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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:27:18
WDS:
HJ4707
WDS ID/Discoverer
P:
313.728
Orbital period (years)
a:
1.5328
Semi-major axis (arcseconds)
i:
111.296
Inclination (degrees)
Ω:
63.429
Longitude of ascending node (degrees)
T:
1925.073
Epoch of periastron passage (year)
e:
0.36357
Eccentricity
ω:
347.119
Longitude of periastron (degrees)
Start-Year:
1869.0
Year
End-Year:
2181.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
145410.91-662512.4
Epoch-2000 right ascension and declination
WDS-ID:
14542-6625
WDS designation
Discoverer Code:
HJ4707
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
130940
HD catalog number
Hipparcos number:
72921
Hipparcos catalog number
V1:
7.53
Magnitude of the primary
V2:
8.09
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
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 1.370 265.3
-------------------------
1869.0 0.870 210.8
1870.0 0.845 209.6
1871.0 0.819 208.2
1872.0 0.794 206.8
1873.0 0.769 205.3
1874.0 0.743 203.7
1875.0 0.719 202.0
1876.0 0.694 200.2
1877.0 0.670 198.2
1878.0 0.647 196.1
1879.0 0.624 193.9
1880.0 0.601 191.4
1881.0 0.580 188.8
1882.0 0.559 186.0
1883.0 0.540 183.0
1884.0 0.522 179.7
1885.0 0.505 176.3
1886.0 0.490 172.6
1887.0 0.477 168.7
1888.0 0.465 164.6
1889.0 0.456 160.3
1890.0 0.449 155.8
1891.0 0.445 151.2
1892.0 0.443 146.6
1893.0 0.444 142.0
1894.0 0.447 137.4
1895.0 0.453 132.9
1896.0 0.461 128.5
1897.0 0.471 124.3
1898.0 0.484 120.3
1899.0 0.498 116.5
1900.0 0.513 112.9
1901.0 0.530 109.6
1902.0 0.548 106.4
1903.0 0.567 103.5
1904.0 0.587 100.8
1905.0 0.607 98.2
1906.0 0.628 95.8
1907.0 0.649 93.6
1908.0 0.670 91.5
1909.0 0.691 89.5
1910.0 0.712 87.7
1911.0 0.733 85.9
1912.0 0.754 84.3
1913.0 0.774 82.7
1914.0 0.794 81.2
1915.0 0.813 79.8
1916.0 0.831 78.5
1917.0 0.848 77.2
1918.0 0.865 75.9
1919.0 0.881 74.7
1920.0 0.896 73.6
1921.0 0.909 72.4
1922.0 0.922 71.4
1923.0 0.934 70.3
1924.0 0.944 69.3
1925.0 0.954 68.2
1926.0 0.962 67.3
1927.0 0.969 66.3
1928.0 0.974 65.3
1929.0 0.979 64.4
1930.0 0.982 63.4
1931.0 0.984 62.5
1932.0 0.985 61.5
1933.0 0.985 60.6
1934.0 0.983 59.6
1935.0 0.980 58.7
1936.0 0.976 57.7
1937.0 0.971 56.8
1938.0 0.965 55.8
1939.0 0.958 54.8
1940.0 0.950 53.8
1941.0 0.941 52.8
1942.0 0.931 51.8
1943.0 0.920 50.7
1944.0 0.909 49.6
1945.0 0.896 48.5
1946.0 0.883 47.3
1947.0 0.870 46.1
1948.0 0.855 44.9
1949.0 0.841 43.6
1950.0 0.825 42.3
1951.0 0.810 41.0
1952.0 0.794 39.6
1953.0 0.778 38.1
1954.0 0.761 36.5
1955.0 0.745 34.9
1956.0 0.728 33.2
1957.0 0.712 31.5
1958.0 0.695 29.6
1959.0 0.679 27.7
1960.0 0.663 25.7
1961.0 0.648 23.6
1962.0 0.633 21.3
1963.0 0.618 19.0
1964.0 0.604 16.6
1965.0 0.591 14.0
1966.0 0.579 11.3
1967.0 0.567 8.6
1968.0 0.557 5.7
1969.0 0.547 2.7
1970.0 0.539 359.6
1971.0 0.533 356.4
1972.0 0.527 353.2
1973.0 0.523 349.8
1974.0 0.521 346.5
1975.0 0.520 343.1
1976.0 0.520 339.8
1977.0 0.523 336.4
1978.0 0.526 333.1
1979.0 0.531 329.8
1980.0 0.538 326.6
1981.0 0.546 323.5
1982.0 0.555 320.5
1983.0 0.566 317.6
1984.0 0.577 314.8
1985.0 0.590 312.1
1986.0 0.604 309.6
1987.0 0.619 307.1
1988.0 0.634 304.8
1989.0 0.650 302.6
1990.0 0.667 300.5
1991.0 0.685 298.5
1992.0 0.703 296.6
1993.0 0.721 294.8
1994.0 0.740 293.1
1995.0 0.760 291.5
1996.0 0.780 289.9
1997.0 0.800 288.5
1998.0 0.820 287.1
1999.0 0.840 285.7
2000.0 0.861 284.5
2001.0 0.882 283.3
2002.0 0.902 282.1
2003.0 0.923 281.0
2004.0 0.944 280.0
2005.0 0.965 279.0
2006.0 0.986 278.0
2007.0 1.007 277.1
2008.0 1.028 276.2
2009.0 1.049 275.4
2010.0 1.070 274.6
2011.0 1.091 273.8
2012.0 1.112 273.0
2013.0 1.133 272.3
2014.0 1.153 271.6
2015.0 1.174 270.9
2016.0 1.194 270.3
2017.0 1.214 269.7
2018.0 1.234 269.1
2019.0 1.254 268.5
2020.0 1.274 267.9
2021.0 1.294 267.3
2022.0 1.313 266.8
2023.0 1.332 266.3
2024.0 1.351 265.8
2025.0 1.370 265.3
2026.0 1.389 264.8
2027.0 1.407 264.3
2028.0 1.426 263.9
2029.0 1.444 263.4
2030.0 1.462 263.0
2031.0 1.479 262.6
2032.0 1.497 262.2
2033.0 1.514 261.8
2034.0 1.531 261.4
2035.0 1.548 261.0
2036.0 1.564 260.6
2037.0 1.581 260.2
2038.0 1.597 259.9
2039.0 1.612 259.5
2040.0 1.628 259.2
2041.0 1.643 258.8
2042.0 1.659 258.5
2043.0 1.673 258.2
2044.0 1.688 257.9
2045.0 1.702 257.5
2046.0 1.716 257.2
2047.0 1.730 256.9
2048.0 1.744 256.6
2049.0 1.757 256.3
2050.0 1.770 256.0
2051.0 1.783 255.7
2052.0 1.796 255.5
2053.0 1.808 255.2
2054.0 1.820 254.9
2055.0 1.832 254.6
2056.0 1.843 254.4
2057.0 1.855 254.1
2058.0 1.865 253.8
2059.0 1.876 253.6
2060.0 1.887 253.3
2061.0 1.897 253.0
2062.0 1.907 252.8
2063.0 1.916 252.5
2064.0 1.926 252.3
2065.0 1.935 252.1
2066.0 1.943 251.8
2067.0 1.952 251.6
2068.0 1.960 251.3
2069.0 1.968 251.1
2070.0 1.976 250.9
2071.0 1.983 250.6
2072.0 1.990 250.4
2073.0 1.997 250.2
2074.0 2.003 249.9
2075.0 2.009 249.7
2076.0 2.015 249.5
2077.0 2.021 249.3
2078.0 2.026 249.0
2079.0 2.031 248.8
2080.0 2.036 248.6
2081.0 2.041 248.4
2082.0 2.045 248.2
2083.0 2.049 247.9
2084.0 2.052 247.7
2085.0 2.056 247.5
2086.0 2.058 247.3
2087.0 2.061 247.1
2088.0 2.064 246.9
2089.0 2.066 246.7
2090.0 2.067 246.4
2091.0 2.069 246.2
2092.0 2.070 246.0
2093.0 2.071 245.8
2094.0 2.072 245.6
2095.0 2.072 245.4
2096.0 2.072 245.2
2097.0 2.072 245.0
2098.0 2.071 244.7
2099.0 2.070 244.5
2100.0 2.069 244.3
2101.0 2.067 244.1
2102.0 2.065 243.9
2103.0 2.063 243.7
2104.0 2.061 243.5
2105.0 2.058 243.2
2106.0 2.055 243.0
2107.0 2.052 242.8
2108.0 2.048 242.6
2109.0 2.044 242.4
2110.0 2.039 242.2
2111.0 2.035 241.9
2112.0 2.030 241.7
2113.0 2.024 241.5
2114.0 2.019 241.3
2115.0 2.013 241.0
2116.0 2.007 240.8
2117.0 2.000 240.6
2118.0 1.993 240.4
2119.0 1.986 240.1
2120.0 1.978 239.9
2121.0 1.970 239.7
2122.0 1.962 239.4
2123.0 1.954 239.2
2124.0 1.945 239.0
2125.0 1.936 238.7
2126.0 1.926 238.5
2127.0 1.916 238.2
2128.0 1.906 238.0
2129.0 1.896 237.7
2130.0 1.885 237.5
2131.0 1.874 237.2
2132.0 1.862 236.9
2133.0 1.851 236.7
2134.0 1.839 236.4
2135.0 1.826 236.1
2136.0 1.813 235.9
2137.0 1.800 235.6
2138.0 1.787 235.3
2139.0 1.773 235.0
2140.0 1.759 234.7
2141.0 1.744 234.4
2142.0 1.730 234.1
2143.0 1.715 233.8
2144.0 1.699 233.5
2145.0 1.683 233.2
2146.0 1.667 232.9
2147.0 1.651 232.5
2148.0 1.634 232.2
2149.0 1.617 231.8
2150.0 1.600 231.5
2151.0 1.582 231.1
2152.0 1.564 230.8
2153.0 1.545 230.4
2154.0 1.527 230.0
2155.0 1.508 229.6
2156.0 1.488 229.2
2157.0 1.469 228.8
2158.0 1.449 228.3
2159.0 1.428 227.9
2160.0 1.408 227.5
2161.0 1.387 227.0
2162.0 1.366 226.5
2163.0 1.344 226.0
2164.0 1.322 225.5
2165.0 1.300 225.0
2166.0 1.278 224.4
2167.0 1.255 223.8
2168.0 1.232 223.3
2169.0 1.209 222.6
2170.0 1.186 222.0
2171.0 1.162 221.3
2172.0 1.138 220.7
2173.0 1.114 219.9
2174.0 1.089 219.2
2175.0 1.065 218.4
2176.0 1.040 217.6
2177.0 1.015 216.7
2178.0 0.990 215.8
2179.0 0.965 214.8
2180.0 0.939 213.8
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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