Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:16:57
WDS:
RST1712
WDS ID/Discoverer
P:
219.400
Orbital period (years)
a:
0.59
Semi-major axis (arcseconds)
i:
160.1
Inclination (degrees)
Ω:
138.8
Longitude of ascending node (degrees)
T:
2021.850
Epoch of periastron passage (year)
e:
0.396
Eccentricity
ω:
237.8
Longitude of periastron (degrees)
Start-Year:
1916.0
Year
End-Year:
2134.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
131924.29-395701.2
Epoch-2000 right ascension and declination
WDS-ID:
13194-3957
WDS designation
Discoverer Code:
RST1712
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
64999
Hipparcos catalog number
V1:
10.86
Magnitude of the primary
V2:
11.42
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:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.340 249.2
-------------------------
1916.0 0.786 79.5
1917.0 0.785 78.7
1918.0 0.784 77.9
1919.0 0.783 77.1
1920.0 0.781 76.3
1921.0 0.780 75.5
1922.0 0.779 74.7
1923.0 0.777 73.9
1924.0 0.776 73.1
1925.0 0.774 72.3
1926.0 0.772 71.4
1927.0 0.770 70.6
1928.0 0.769 69.8
1929.0 0.767 68.9
1930.0 0.765 68.1
1931.0 0.762 67.2
1932.0 0.760 66.4
1933.0 0.758 65.5
1934.0 0.756 64.7
1935.0 0.753 63.8
1936.0 0.751 62.9
1937.0 0.748 62.1
1938.0 0.745 61.2
1939.0 0.743 60.3
1940.0 0.740 59.4
1941.0 0.737 58.5
1942.0 0.734 57.6
1943.0 0.731 56.7
1944.0 0.728 55.7
1945.0 0.725 54.8
1946.0 0.722 53.9
1947.0 0.718 52.9
1948.0 0.715 51.9
1949.0 0.711 51.0
1950.0 0.708 50.0
1951.0 0.704 49.0
1952.0 0.701 48.0
1953.0 0.697 47.0
1954.0 0.693 46.0
1955.0 0.689 44.9
1956.0 0.685 43.9
1957.0 0.681 42.8
1958.0 0.677 41.8
1959.0 0.673 40.7
1960.0 0.669 39.6
1961.0 0.664 38.5
1962.0 0.660 37.4
1963.0 0.656 36.2
1964.0 0.651 35.1
1965.0 0.647 33.9
1966.0 0.642 32.7
1967.0 0.637 31.5
1968.0 0.633 30.3
1969.0 0.628 29.0
1970.0 0.623 27.8
1971.0 0.618 26.5
1972.0 0.613 25.2
1973.0 0.608 23.9
1974.0 0.603 22.5
1975.0 0.598 21.2
1976.0 0.592 19.8
1977.0 0.587 18.3
1978.0 0.582 16.9
1979.0 0.576 15.4
1980.0 0.571 13.9
1981.0 0.565 12.4
1982.0 0.560 10.8
1983.0 0.554 9.3
1984.0 0.548 7.6
1985.0 0.543 6.0
1986.0 0.537 4.3
1987.0 0.531 2.5
1988.0 0.525 0.8
1989.0 0.519 359.0
1990.0 0.513 357.1
1991.0 0.507 355.2
1992.0 0.501 353.3
1993.0 0.495 351.3
1994.0 0.489 349.3
1995.0 0.482 347.2
1996.0 0.476 345.0
1997.0 0.470 342.8
1998.0 0.464 340.6
1999.0 0.457 338.2
2000.0 0.451 335.8
2001.0 0.445 333.4
2002.0 0.438 330.8
2003.0 0.432 328.2
2004.0 0.426 325.6
2005.0 0.419 322.8
2006.0 0.413 320.0
2007.0 0.407 317.0
2008.0 0.401 314.0
2009.0 0.395 310.9
2010.0 0.389 307.7
2011.0 0.384 304.4
2012.0 0.378 301.0
2013.0 0.373 297.5
2014.0 0.368 293.9
2015.0 0.363 290.2
2016.0 0.358 286.4
2017.0 0.354 282.5
2018.0 0.351 278.5
2019.0 0.348 274.5
2020.0 0.345 270.4
2021.0 0.343 266.2
2022.0 0.341 262.0
2023.0 0.340 257.7
2024.0 0.340 253.5
2025.0 0.340 249.2
2026.0 0.341 244.9
2027.0 0.342 240.7
2028.0 0.345 236.5
2029.0 0.347 232.4
2030.0 0.351 228.3
2031.0 0.355 224.4
2032.0 0.359 220.5
2033.0 0.364 216.7
2034.0 0.370 213.1
2035.0 0.376 209.5
2036.0 0.382 206.1
2037.0 0.389 202.8
2038.0 0.396 199.6
2039.0 0.403 196.5
2040.0 0.411 193.5
2041.0 0.418 190.6
2042.0 0.426 187.9
2043.0 0.434 185.2
2044.0 0.442 182.6
2045.0 0.450 180.1
2046.0 0.458 177.8
2047.0 0.466 175.5
2048.0 0.475 173.2
2049.0 0.483 171.1
2050.0 0.491 169.0
2051.0 0.499 167.0
2052.0 0.507 165.0
2053.0 0.515 163.1
2054.0 0.523 161.3
2055.0 0.531 159.5
2056.0 0.539 157.8
2057.0 0.546 156.1
2058.0 0.554 154.5
2059.0 0.561 152.9
2060.0 0.569 151.4
2061.0 0.576 149.9
2062.0 0.583 148.4
2063.0 0.590 147.0
2064.0 0.597 145.6
2065.0 0.604 144.2
2066.0 0.610 142.9
2067.0 0.617 141.6
2068.0 0.623 140.3
2069.0 0.629 139.0
2070.0 0.636 137.8
2071.0 0.642 136.6
2072.0 0.647 135.4
2073.0 0.653 134.2
2074.0 0.659 133.1
2075.0 0.664 131.9
2076.0 0.670 130.8
2077.0 0.675 129.7
2078.0 0.680 128.7
2079.0 0.685 127.6
2080.0 0.690 126.6
2081.0 0.695 125.5
2082.0 0.699 124.5
2083.0 0.704 123.5
2084.0 0.708 122.5
2085.0 0.712 121.6
2086.0 0.716 120.6
2087.0 0.720 119.6
2088.0 0.724 118.7
2089.0 0.728 117.7
2090.0 0.732 116.8
2091.0 0.735 115.9
2092.0 0.738 115.0
2093.0 0.742 114.1
2094.0 0.745 113.2
2095.0 0.748 112.3
2096.0 0.751 111.4
2097.0 0.754 110.6
2098.0 0.756 109.7
2099.0 0.759 108.8
2100.0 0.762 108.0
2101.0 0.764 107.1
2102.0 0.766 106.3
2103.0 0.768 105.5
2104.0 0.770 104.6
2105.0 0.772 103.8
2106.0 0.774 103.0
2107.0 0.776 102.2
2108.0 0.778 101.3
2109.0 0.779 100.5
2110.0 0.781 99.7
2111.0 0.782 98.9
2112.0 0.783 98.1
2113.0 0.784 97.3
2114.0 0.785 96.5
2115.0 0.786 95.7
2116.0 0.787 94.9
2117.0 0.788 94.1
2118.0 0.789 93.3
2119.0 0.789 92.5
2120.0 0.790 91.7
2121.0 0.790 90.9
2122.0 0.790 90.2
2123.0 0.791 89.4
2124.0 0.791 88.6
2125.0 0.791 87.8
2126.0 0.791 87.0
2127.0 0.791 86.2
2128.0 0.790 85.4
2129.0 0.790 84.6
2130.0 0.790 83.8
2131.0 0.789 83.0
2132.0 0.788 82.3
2133.0 0.788 81.5
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 .
www.stella-vega.de