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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:39:02
WDS:
STF2052AB
WDS ID/Discoverer
P:
229.500
Orbital period (years)
a:
2.23051
Semi-major axis (arcseconds)
i:
108.336
Inclination (degrees)
Ω:
94.285
Longitude of ascending node (degrees)
T:
1921.026
Epoch of periastron passage (year)
e:
0.7581
Eccentricity
ω:
131.04
Longitude of periastron (degrees)
Start-Year:
1911.0
Year
End-Year:
2139.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
162852.67+182450.6
Epoch-2000 right ascension and declination
WDS-ID:
16289+1825
WDS designation
Discoverer Code:
STF2052AB
Discover designation and components
ADS number:
10075
Aitken Double Star catalog
HD number:
148653
HD catalog number
Hipparcos number:
80725
Hipparcos catalog number
V1:
7.69
Magnitude of the primary
V2:
7.91
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
Date of last observation
Orbit grade:
2
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 2.563 116.6
-------------------------
1911.0 0.962 83.7
1912.0 0.862 81.8
1913.0 0.757 79.4
1914.0 0.646 76.1
1915.0 0.530 71.4
1916.0 0.412 64.1
1917.0 0.298 51.0
1918.0 0.209 24.5
1919.0 0.196 341.9
1920.0 0.270 310.4
1921.0 0.374 294.5
1922.0 0.474 285.5
1923.0 0.559 279.5
1924.0 0.625 274.9
1925.0 0.673 271.1
1926.0 0.705 267.8
1927.0 0.726 264.6
1928.0 0.737 261.6
1929.0 0.742 258.7
1930.0 0.741 255.8
1931.0 0.737 252.9
1932.0 0.729 249.9
1933.0 0.720 246.9
1934.0 0.710 243.7
1935.0 0.699 240.5
1936.0 0.689 237.2
1937.0 0.678 233.8
1938.0 0.669 230.2
1939.0 0.661 226.6
1940.0 0.654 222.9
1941.0 0.648 219.1
1942.0 0.645 215.3
1943.0 0.643 211.4
1944.0 0.644 207.6
1945.0 0.646 203.7
1946.0 0.651 199.9
1947.0 0.658 196.2
1948.0 0.667 192.5
1949.0 0.678 189.0
1950.0 0.691 185.6
1951.0 0.706 182.3
1952.0 0.723 179.1
1953.0 0.741 176.2
1954.0 0.761 173.3
1955.0 0.781 170.6
1956.0 0.803 168.1
1957.0 0.827 165.7
1958.0 0.851 163.4
1959.0 0.875 161.2
1960.0 0.901 159.2
1961.0 0.927 157.3
1962.0 0.954 155.5
1963.0 0.982 153.8
1964.0 1.009 152.1
1965.0 1.038 150.6
1966.0 1.066 149.2
1967.0 1.095 147.8
1968.0 1.124 146.5
1969.0 1.153 145.3
1970.0 1.182 144.1
1971.0 1.211 143.0
1972.0 1.241 141.9
1973.0 1.270 140.9
1974.0 1.299 139.9
1975.0 1.329 139.0
1976.0 1.358 138.1
1977.0 1.388 137.2
1978.0 1.417 136.4
1979.0 1.446 135.7
1980.0 1.475 134.9
1981.0 1.504 134.2
1982.0 1.533 133.5
1983.0 1.562 132.8
1984.0 1.590 132.2
1985.0 1.619 131.5
1986.0 1.647 130.9
1987.0 1.675 130.4
1988.0 1.703 129.8
1989.0 1.730 129.3
1990.0 1.758 128.7
1991.0 1.785 128.2
1992.0 1.812 127.7
1993.0 1.839 127.3
1994.0 1.866 126.8
1995.0 1.892 126.3
1996.0 1.918 125.9
1997.0 1.944 125.5
1998.0 1.970 125.0
1999.0 1.995 124.6
2000.0 2.021 124.2
2001.0 2.046 123.9
2002.0 2.070 123.5
2003.0 2.095 123.1
2004.0 2.119 122.7
2005.0 2.143 122.4
2006.0 2.167 122.0
2007.0 2.190 121.7
2008.0 2.213 121.4
2009.0 2.236 121.1
2010.0 2.259 120.7
2011.0 2.281 120.4
2012.0 2.303 120.1
2013.0 2.325 119.8
2014.0 2.346 119.5
2015.0 2.367 119.2
2016.0 2.388 119.0
2017.0 2.409 118.7
2018.0 2.429 118.4
2019.0 2.449 118.1
2020.0 2.469 117.9
2021.0 2.488 117.6
2022.0 2.507 117.4
2023.0 2.526 117.1
2024.0 2.544 116.9
2025.0 2.563 116.6
2026.0 2.580 116.4
2027.0 2.598 116.1
2028.0 2.615 115.9
2029.0 2.632 115.7
2030.0 2.649 115.4
2031.0 2.665 115.2
2032.0 2.681 115.0
2033.0 2.696 114.8
2034.0 2.712 114.5
2035.0 2.726 114.3
2036.0 2.741 114.1
2037.0 2.755 113.9
2038.0 2.769 113.7
2039.0 2.783 113.5
2040.0 2.796 113.3
2041.0 2.809 113.1
2042.0 2.821 112.9
2043.0 2.833 112.7
2044.0 2.845 112.5
2045.0 2.856 112.3
2046.0 2.868 112.1
2047.0 2.878 111.9
2048.0 2.889 111.7
2049.0 2.898 111.5
2050.0 2.908 111.3
2051.0 2.917 111.1
2052.0 2.926 110.9
2053.0 2.934 110.7
2054.0 2.942 110.6
2055.0 2.950 110.4
2056.0 2.957 110.2
2057.0 2.964 110.0
2058.0 2.970 109.8
2059.0 2.976 109.6
2060.0 2.982 109.5
2061.0 2.987 109.3
2062.0 2.992 109.1
2063.0 2.996 108.9
2064.0 3.000 108.7
2065.0 3.003 108.6
2066.0 3.006 108.4
2067.0 3.009 108.2
2068.0 3.011 108.0
2069.0 3.012 107.9
2070.0 3.013 107.7
2071.0 3.014 107.5
2072.0 3.014 107.3
2073.0 3.014 107.2
2074.0 3.013 107.0
2075.0 3.012 106.8
2076.0 3.010 106.6
2077.0 3.007 106.5
2078.0 3.004 106.3
2079.0 3.001 106.1
2080.0 2.997 105.9
2081.0 2.993 105.7
2082.0 2.987 105.6
2083.0 2.982 105.4
2084.0 2.976 105.2
2085.0 2.969 105.0
2086.0 2.961 104.8
2087.0 2.953 104.7
2088.0 2.945 104.5
2089.0 2.936 104.3
2090.0 2.926 104.1
2091.0 2.915 103.9
2092.0 2.904 103.7
2093.0 2.892 103.5
2094.0 2.880 103.3
2095.0 2.866 103.1
2096.0 2.852 102.9
2097.0 2.838 102.8
2098.0 2.822 102.6
2099.0 2.806 102.3
2100.0 2.789 102.1
2101.0 2.771 101.9
2102.0 2.752 101.7
2103.0 2.733 101.5
2104.0 2.712 101.3
2105.0 2.691 101.1
2106.0 2.669 100.9
2107.0 2.646 100.6
2108.0 2.621 100.4
2109.0 2.596 100.2
2110.0 2.570 99.9
2111.0 2.543 99.7
2112.0 2.515 99.4
2113.0 2.485 99.2
2114.0 2.454 98.9
2115.0 2.423 98.6
2116.0 2.389 98.4
2117.0 2.355 98.1
2118.0 2.319 97.8
2119.0 2.282 97.5
2120.0 2.243 97.2
2121.0 2.203 96.8
2122.0 2.161 96.5
2123.0 2.118 96.2
2124.0 2.073 95.8
2125.0 2.026 95.4
2126.0 1.977 95.0
2127.0 1.926 94.6
2128.0 1.873 94.2
2129.0 1.817 93.7
2130.0 1.760 93.2
2131.0 1.699 92.6
2132.0 1.636 92.1
2133.0 1.571 91.4
2134.0 1.502 90.8
2135.0 1.430 90.0
2136.0 1.354 89.2
2137.0 1.274 88.3
2138.0 1.191 87.2
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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