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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:55:48
WDS:
I173
WDS ID/Discoverer
P:
187.170
Orbital period (years)
a:
0.5905
Semi-major axis (arcseconds)
i:
46.171
Inclination (degrees)
Ω:
8.891
Longitude of ascending node (degrees)
T:
1932.372
Epoch of periastron passage (year)
e:
0.66172
Eccentricity
ω:
185.093
Longitude of periastron (degrees)
Start-Year:
1932.0
Year
End-Year:
2118.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
100611.22-472211.9
Epoch-2000 right ascension and declination
WDS-ID:
10062-4722
WDS designation
Discoverer Code:
I173
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
87783
HD catalog number
Hipparcos number:
49485
Hipparcos catalog number
V1:
5.32
Magnitude of the primary
V2:
7.10
Magnitude of the secondary
Equinox:
Equinox
Date:
2014
Date of last observation
Orbit grade:
3
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 0.980 12.1
-------------------------
1932.0 0.200 189.2
1933.0 0.198 198.0
1934.0 0.195 207.0
1935.0 0.192 216.3
1936.0 0.189 226.0
1937.0 0.188 235.8
1938.0 0.189 245.7
1939.0 0.193 255.3
1940.0 0.199 264.4
1941.0 0.208 272.8
1942.0 0.220 280.4
1943.0 0.233 287.2
1944.0 0.248 293.3
1945.0 0.264 298.6
1946.0 0.281 303.3
1947.0 0.298 307.5
1948.0 0.315 311.2
1949.0 0.333 314.5
1950.0 0.351 317.5
1951.0 0.369 320.1
1952.0 0.387 322.6
1953.0 0.405 324.8
1954.0 0.422 326.8
1955.0 0.439 328.7
1956.0 0.456 330.5
1957.0 0.473 332.1
1958.0 0.489 333.6
1959.0 0.505 335.0
1960.0 0.521 336.3
1961.0 0.537 337.6
1962.0 0.552 338.7
1963.0 0.567 339.8
1964.0 0.581 340.9
1965.0 0.596 341.9
1966.0 0.610 342.9
1967.0 0.623 343.8
1968.0 0.637 344.7
1969.0 0.650 345.5
1970.0 0.663 346.3
1971.0 0.675 347.1
1972.0 0.687 347.8
1973.0 0.699 348.6
1974.0 0.711 349.3
1975.0 0.722 349.9
1976.0 0.733 350.6
1977.0 0.744 351.2
1978.0 0.754 351.9
1979.0 0.764 352.5
1980.0 0.774 353.1
1981.0 0.784 353.6
1982.0 0.793 354.2
1983.0 0.803 354.7
1984.0 0.811 355.3
1985.0 0.820 355.8
1986.0 0.828 356.3
1987.0 0.837 356.8
1988.0 0.845 357.3
1989.0 0.852 357.8
1990.0 0.860 358.3
1991.0 0.867 358.7
1992.0 0.874 359.2
1993.0 0.880 359.6
1994.0 0.887 0.1
1995.0 0.893 0.5
1996.0 0.899 1.0
1997.0 0.905 1.4
1998.0 0.910 1.8
1999.0 0.916 2.2
2000.0 0.921 2.6
2001.0 0.926 3.0
2002.0 0.930 3.5
2003.0 0.935 3.9
2004.0 0.939 4.2
2005.0 0.943 4.6
2006.0 0.947 5.0
2007.0 0.950 5.4
2008.0 0.954 5.8
2009.0 0.957 6.2
2010.0 0.960 6.6
2011.0 0.963 6.9
2012.0 0.965 7.3
2013.0 0.968 7.7
2014.0 0.970 8.1
2015.0 0.972 8.4
2016.0 0.973 8.8
2017.0 0.975 9.2
2018.0 0.976 9.5
2019.0 0.977 9.9
2020.0 0.978 10.3
2021.0 0.979 10.6
2022.0 0.979 11.0
2023.0 0.980 11.3
2024.0 0.980 11.7
2025.0 0.980 12.1
2026.0 0.979 12.4
2027.0 0.979 12.8
2028.0 0.978 13.2
2029.0 0.977 13.5
2030.0 0.976 13.9
2031.0 0.975 14.3
2032.0 0.973 14.6
2033.0 0.971 15.0
2034.0 0.969 15.4
2035.0 0.967 15.7
2036.0 0.965 16.1
2037.0 0.962 16.5
2038.0 0.960 16.9
2039.0 0.957 17.2
2040.0 0.954 17.6
2041.0 0.950 18.0
2042.0 0.947 18.4
2043.0 0.943 18.8
2044.0 0.939 19.2
2045.0 0.935 19.6
2046.0 0.930 20.0
2047.0 0.926 20.4
2048.0 0.921 20.8
2049.0 0.916 21.2
2050.0 0.911 21.6
2051.0 0.906 22.0
2052.0 0.900 22.5
2053.0 0.894 22.9
2054.0 0.888 23.3
2055.0 0.882 23.8
2056.0 0.875 24.2
2057.0 0.869 24.7
2058.0 0.862 25.2
2059.0 0.855 25.6
2060.0 0.847 26.1
2061.0 0.840 26.6
2062.0 0.832 27.1
2063.0 0.824 27.6
2064.0 0.816 28.1
2065.0 0.807 28.7
2066.0 0.798 29.2
2067.0 0.789 29.7
2068.0 0.780 30.3
2069.0 0.771 30.9
2070.0 0.761 31.5
2071.0 0.751 32.1
2072.0 0.741 32.7
2073.0 0.731 33.4
2074.0 0.720 34.0
2075.0 0.710 34.7
2076.0 0.699 35.4
2077.0 0.687 36.1
2078.0 0.676 36.9
2079.0 0.664 37.7
2080.0 0.652 38.5
2081.0 0.639 39.3
2082.0 0.627 40.2
2083.0 0.614 41.1
2084.0 0.601 42.0
2085.0 0.588 43.0
2086.0 0.574 44.0
2087.0 0.560 45.1
2088.0 0.546 46.3
2089.0 0.532 47.5
2090.0 0.517 48.7
2091.0 0.503 50.1
2092.0 0.488 51.5
2093.0 0.472 53.0
2094.0 0.457 54.6
2095.0 0.441 56.3
2096.0 0.426 58.2
2097.0 0.410 60.2
2098.0 0.394 62.3
2099.0 0.378 64.7
2100.0 0.361 67.2
2101.0 0.345 70.0
2102.0 0.329 73.1
2103.0 0.314 76.5
2104.0 0.298 80.2
2105.0 0.283 84.3
2106.0 0.269 88.9
2107.0 0.255 94.0
2108.0 0.243 99.6
2109.0 0.232 105.8
2110.0 0.222 112.6
2111.0 0.214 119.9
2112.0 0.208 127.8
2113.0 0.204 136.0
2114.0 0.201 144.5
2115.0 0.200 153.1
2116.0 0.201 161.8
2117.0 0.201 170.4
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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