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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:26:31
WDS:
RST1205AB
WDS ID/Discoverer
P:
289.600
Orbital period (years)
a:
1.194
Semi-major axis (arcseconds)
i:
71.2
Inclination (degrees)
Ω:
24.9
Longitude of ascending node (degrees)
T:
1920.900
Epoch of periastron passage (year)
e:
0.597
Eccentricity
ω:
292.2
Longitude of periastron (degrees)
Start-Year:
1881.0
Year
End-Year:
2169.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
010823.08-551444.7
Epoch-2000 right ascension and declination
WDS-ID:
01084-5515
WDS designation
Discoverer Code:
RST1205AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
6882
HD catalog number
Hipparcos number:
5348
Hipparcos catalog number
V1:
4.02
Magnitude of the primary
V2:
6.80
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2017
Date of last observation
Orbit grade:
4
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 0.603 131.9
-------------------------
1881.0 1.102 201.9
1882.0 1.088 202.3
1883.0 1.074 202.7
1884.0 1.060 203.1
1885.0 1.044 203.5
1886.0 1.028 204.0
1887.0 1.012 204.4
1888.0 0.994 204.8
1889.0 0.976 205.3
1890.0 0.957 205.8
1891.0 0.938 206.3
1892.0 0.917 206.9
1893.0 0.896 207.4
1894.0 0.873 208.0
1895.0 0.850 208.6
1896.0 0.826 209.3
1897.0 0.801 210.0
1898.0 0.775 210.7
1899.0 0.748 211.5
1900.0 0.719 212.3
1901.0 0.690 213.3
1902.0 0.660 214.3
1903.0 0.628 215.4
1904.0 0.595 216.6
1905.0 0.562 218.0
1906.0 0.527 219.5
1907.0 0.491 221.3
1908.0 0.454 223.3
1909.0 0.416 225.8
1910.0 0.377 228.7
1911.0 0.339 232.3
1912.0 0.300 236.8
1913.0 0.263 242.6
1914.0 0.227 250.3
1915.0 0.196 260.6
1916.0 0.173 274.3
1917.0 0.160 291.0
1918.0 0.162 308.9
1919.0 0.178 325.0
1920.0 0.203 337.8
1921.0 0.235 347.4
1922.0 0.270 354.7
1923.0 0.307 0.2
1924.0 0.343 4.5
1925.0 0.379 8.1
1926.0 0.414 11.0
1927.0 0.447 13.5
1928.0 0.478 15.6
1929.0 0.507 17.5
1930.0 0.534 19.2
1931.0 0.560 20.7
1932.0 0.583 22.1
1933.0 0.604 23.4
1934.0 0.623 24.6
1935.0 0.640 25.8
1936.0 0.656 26.9
1937.0 0.670 27.9
1938.0 0.682 28.9
1939.0 0.694 29.9
1940.0 0.703 30.8
1941.0 0.712 31.7
1942.0 0.719 32.6
1943.0 0.726 33.5
1944.0 0.731 34.4
1945.0 0.736 35.2
1946.0 0.739 36.1
1947.0 0.742 36.9
1948.0 0.744 37.7
1949.0 0.745 38.6
1950.0 0.746 39.4
1951.0 0.746 40.2
1952.0 0.745 41.0
1953.0 0.744 41.8
1954.0 0.743 42.7
1955.0 0.741 43.5
1956.0 0.739 44.3
1957.0 0.736 45.2
1958.0 0.733 46.0
1959.0 0.729 46.9
1960.0 0.726 47.8
1961.0 0.722 48.6
1962.0 0.718 49.5
1963.0 0.713 50.4
1964.0 0.709 51.3
1965.0 0.704 52.2
1966.0 0.699 53.2
1967.0 0.694 54.1
1968.0 0.688 55.1
1969.0 0.683 56.1
1970.0 0.678 57.0
1971.0 0.672 58.0
1972.0 0.667 59.1
1973.0 0.661 60.1
1974.0 0.656 61.2
1975.0 0.650 62.2
1976.0 0.644 63.3
1977.0 0.639 64.4
1978.0 0.633 65.6
1979.0 0.628 66.7
1980.0 0.623 67.9
1981.0 0.617 69.1
1982.0 0.612 70.3
1983.0 0.607 71.5
1984.0 0.602 72.8
1985.0 0.597 74.1
1986.0 0.592 75.4
1987.0 0.588 76.7
1988.0 0.583 78.0
1989.0 0.579 79.4
1990.0 0.575 80.7
1991.0 0.571 82.1
1992.0 0.568 83.6
1993.0 0.565 85.0
1994.0 0.561 86.4
1995.0 0.558 87.9
1996.0 0.556 89.4
1997.0 0.553 90.9
1998.0 0.551 92.4
1999.0 0.549 93.9
2000.0 0.548 95.4
2001.0 0.547 96.9
2002.0 0.546 98.5
2003.0 0.545 100.0
2004.0 0.545 101.5
2005.0 0.544 103.1
2006.0 0.545 104.6
2007.0 0.545 106.2
2008.0 0.546 107.7
2009.0 0.547 109.3
2010.0 0.548 110.8
2011.0 0.550 112.3
2012.0 0.552 113.8
2013.0 0.554 115.3
2014.0 0.557 116.8
2015.0 0.560 118.3
2016.0 0.563 119.7
2017.0 0.566 121.2
2018.0 0.570 122.6
2019.0 0.574 124.0
2020.0 0.578 125.4
2021.0 0.583 126.7
2022.0 0.587 128.1
2023.0 0.592 129.4
2024.0 0.597 130.7
2025.0 0.603 131.9
2026.0 0.608 133.2
2027.0 0.614 134.4
2028.0 0.620 135.6
2029.0 0.626 136.8
2030.0 0.632 138.0
2031.0 0.639 139.1
2032.0 0.645 140.2
2033.0 0.652 141.3
2034.0 0.659 142.4
2035.0 0.666 143.4
2036.0 0.673 144.4
2037.0 0.681 145.4
2038.0 0.688 146.4
2039.0 0.696 147.4
2040.0 0.703 148.3
2041.0 0.711 149.2
2042.0 0.719 150.1
2043.0 0.727 151.0
2044.0 0.735 151.8
2045.0 0.743 152.7
2046.0 0.751 153.5
2047.0 0.759 154.3
2048.0 0.768 155.1
2049.0 0.776 155.9
2050.0 0.784 156.6
2051.0 0.793 157.3
2052.0 0.801 158.1
2053.0 0.810 158.8
2054.0 0.818 159.5
2055.0 0.827 160.1
2056.0 0.835 160.8
2057.0 0.844 161.5
2058.0 0.852 162.1
2059.0 0.861 162.7
2060.0 0.869 163.3
2061.0 0.878 163.9
2062.0 0.887 164.5
2063.0 0.895 165.1
2064.0 0.904 165.7
2065.0 0.912 166.2
2066.0 0.921 166.8
2067.0 0.929 167.3
2068.0 0.937 167.8
2069.0 0.946 168.3
2070.0 0.954 168.9
2071.0 0.963 169.3
2072.0 0.971 169.8
2073.0 0.979 170.3
2074.0 0.987 170.8
2075.0 0.995 171.3
2076.0 1.004 171.7
2077.0 1.012 172.2
2078.0 1.020 172.6
2079.0 1.027 173.1
2080.0 1.035 173.5
2081.0 1.043 173.9
2082.0 1.051 174.3
2083.0 1.059 174.7
2084.0 1.066 175.1
2085.0 1.074 175.5
2086.0 1.081 175.9
2087.0 1.088 176.3
2088.0 1.096 176.7
2089.0 1.103 177.1
2090.0 1.110 177.5
2091.0 1.117 177.8
2092.0 1.124 178.2
2093.0 1.131 178.6
2094.0 1.137 178.9
2095.0 1.144 179.3
2096.0 1.151 179.6
2097.0 1.157 180.0
2098.0 1.163 180.3
2099.0 1.170 180.6
2100.0 1.176 181.0
2101.0 1.182 181.3
2102.0 1.188 181.6
2103.0 1.193 182.0
2104.0 1.199 182.3
2105.0 1.204 182.6
2106.0 1.210 182.9
2107.0 1.215 183.2
2108.0 1.220 183.5
2109.0 1.225 183.8
2110.0 1.230 184.1
2111.0 1.235 184.4
2112.0 1.239 184.7
2113.0 1.244 185.0
2114.0 1.248 185.3
2115.0 1.252 185.6
2116.0 1.256 185.9
2117.0 1.260 186.2
2118.0 1.263 186.5
2119.0 1.267 186.8
2120.0 1.270 187.1
2121.0 1.273 187.3
2122.0 1.276 187.6
2123.0 1.279 187.9
2124.0 1.281 188.2
2125.0 1.284 188.5
2126.0 1.286 188.7
2127.0 1.288 189.0
2128.0 1.290 189.3
2129.0 1.291 189.6
2130.0 1.293 189.8
2131.0 1.294 190.1
2132.0 1.295 190.4
2133.0 1.295 190.7
2134.0 1.296 190.9
2135.0 1.296 191.2
2136.0 1.296 191.5
2137.0 1.296 191.8
2138.0 1.296 192.0
2139.0 1.295 192.3
2140.0 1.294 192.6
2141.0 1.293 192.9
2142.0 1.291 193.1
2143.0 1.290 193.4
2144.0 1.288 193.7
2145.0 1.285 194.0
2146.0 1.283 194.2
2147.0 1.280 194.5
2148.0 1.277 194.8
2149.0 1.273 195.1
2150.0 1.269 195.4
2151.0 1.265 195.6
2152.0 1.260 195.9
2153.0 1.256 196.2
2154.0 1.250 196.5
2155.0 1.245 196.8
2156.0 1.239 197.1
2157.0 1.232 197.4
2158.0 1.226 197.7
2159.0 1.219 198.0
2160.0 1.211 198.3
2161.0 1.203 198.6
2162.0 1.195 199.0
2163.0 1.186 199.3
2164.0 1.176 199.6
2165.0 1.166 199.9
2166.0 1.156 200.3
2167.0 1.145 200.6
2168.0 1.134 201.0
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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