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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:42:11
WDS:
WIR1AB
WDS ID/Discoverer
P:
182.791
Orbital period (years)
a:
4.7276
Semi-major axis (arcseconds)
i:
127.6685
Inclination (degrees)
Ω:
67.9962
Longitude of ascending node (degrees)
T:
1887.665
Epoch of periastron passage (year)
e:
0.299996
Eccentricity
ω:
119.7912
Longitude of periastron (degrees)
Start-Year:
1934.0
Year
End-Year:
2116.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
233152.24+195614.0
Epoch-2000 right ascension and declination
WDS-ID:
23317+1956
WDS designation
Discoverer Code:
WIR1AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
116132
Hipparcos catalog number
V1:
10.52
Magnitude of the primary
V2:
12.40
Magnitude of the secondary
Equinox:
Equinox
Date:
Date of last observation
Orbit grade:
5
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 5.117 69.4
-------------------------
1934.0 3.645 197.4
1935.0 3.625 195.5
1936.0 3.606 193.5
1937.0 3.588 191.5
1938.0 3.572 189.5
1939.0 3.557 187.5
1940.0 3.543 185.5
1941.0 3.531 183.4
1942.0 3.521 181.3
1943.0 3.513 179.3
1944.0 3.507 177.2
1945.0 3.503 175.1
1946.0 3.501 173.0
1947.0 3.502 170.9
1948.0 3.504 168.8
1949.0 3.509 166.7
1950.0 3.516 164.6
1951.0 3.525 162.6
1952.0 3.537 160.5
1953.0 3.551 158.5
1954.0 3.567 156.4
1955.0 3.585 154.4
1956.0 3.606 152.5
1957.0 3.628 150.5
1958.0 3.653 148.6
1959.0 3.679 146.6
1960.0 3.707 144.8
1961.0 3.737 142.9
1962.0 3.769 141.1
1963.0 3.802 139.3
1964.0 3.837 137.5
1965.0 3.873 135.8
1966.0 3.910 134.1
1967.0 3.949 132.5
1968.0 3.988 130.8
1969.0 4.029 129.2
1970.0 4.070 127.7
1971.0 4.112 126.1
1972.0 4.155 124.6
1973.0 4.198 123.2
1974.0 4.242 121.7
1975.0 4.286 120.3
1976.0 4.330 118.9
1977.0 4.375 117.6
1978.0 4.419 116.2
1979.0 4.464 114.9
1980.0 4.508 113.7
1981.0 4.552 112.4
1982.0 4.595 111.2
1983.0 4.639 110.0
1984.0 4.682 108.8
1985.0 4.724 107.6
1986.0 4.765 106.5
1987.0 4.806 105.4
1988.0 4.846 104.3
1989.0 4.885 103.2
1990.0 4.923 102.1
1991.0 4.960 101.1
1992.0 4.996 100.0
1993.0 5.031 99.0
1994.0 5.065 98.0
1995.0 5.097 97.0
1996.0 5.128 96.0
1997.0 5.157 95.1
1998.0 5.185 94.1
1999.0 5.211 93.2
2000.0 5.235 92.2
2001.0 5.258 91.3
2002.0 5.279 90.4
2003.0 5.298 89.4
2004.0 5.315 88.5
2005.0 5.331 87.6
2006.0 5.344 86.7
2007.0 5.355 85.8
2008.0 5.363 84.9
2009.0 5.370 84.0
2010.0 5.374 83.2
2011.0 5.376 82.3
2012.0 5.375 81.4
2013.0 5.372 80.5
2014.0 5.366 79.6
2015.0 5.358 78.7
2016.0 5.347 77.8
2017.0 5.333 76.9
2018.0 5.317 76.0
2019.0 5.297 75.1
2020.0 5.275 74.2
2021.0 5.249 73.3
2022.0 5.221 72.3
2023.0 5.189 71.4
2024.0 5.155 70.4
2025.0 5.117 69.4
2026.0 5.076 68.5
2027.0 5.031 67.4
2028.0 4.983 66.4
2029.0 4.932 65.4
2030.0 4.877 64.3
2031.0 4.819 63.2
2032.0 4.758 62.1
2033.0 4.692 61.0
2034.0 4.624 59.8
2035.0 4.552 58.6
2036.0 4.476 57.3
2037.0 4.397 56.0
2038.0 4.314 54.6
2039.0 4.228 53.2
2040.0 4.139 51.8
2041.0 4.046 50.2
2042.0 3.950 48.6
2043.0 3.852 46.9
2044.0 3.750 45.2
2045.0 3.646 43.3
2046.0 3.540 41.3
2047.0 3.432 39.2
2048.0 3.323 36.9
2049.0 3.212 34.5
2050.0 3.101 32.0
2051.0 2.990 29.2
2052.0 2.880 26.2
2053.0 2.772 23.0
2054.0 2.667 19.5
2055.0 2.566 15.8
2056.0 2.471 11.7
2057.0 2.382 7.4
2058.0 2.302 2.7
2059.0 2.231 357.7
2060.0 2.173 352.4
2061.0 2.127 346.8
2062.0 2.096 341.1
2063.0 2.080 335.2
2064.0 2.080 329.2
2065.0 2.095 323.3
2066.0 2.126 317.6
2067.0 2.169 312.0
2068.0 2.226 306.7
2069.0 2.292 301.7
2070.0 2.368 296.9
2071.0 2.451 292.5
2072.0 2.538 288.4
2073.0 2.630 284.5
2074.0 2.723 280.9
2075.0 2.817 277.6
2076.0 2.911 274.5
2077.0 3.003 271.5
2078.0 3.093 268.8
2079.0 3.180 266.2
2080.0 3.263 263.7
2081.0 3.343 261.3
2082.0 3.418 259.1
2083.0 3.488 256.9
2084.0 3.553 254.9
2085.0 3.613 252.9
2086.0 3.668 250.9
2087.0 3.718 249.1
2088.0 3.763 247.2
2089.0 3.802 245.4
2090.0 3.837 243.7
2091.0 3.867 241.9
2092.0 3.892 240.2
2093.0 3.913 238.5
2094.0 3.930 236.9
2095.0 3.942 235.2
2096.0 3.951 233.6
2097.0 3.955 231.9
2098.0 3.957 230.3
2099.0 3.955 228.7
2100.0 3.951 227.0
2101.0 3.943 225.4
2102.0 3.934 223.7
2103.0 3.922 222.1
2104.0 3.907 220.4
2105.0 3.892 218.7
2106.0 3.874 217.0
2107.0 3.855 215.3
2108.0 3.835 213.5
2109.0 3.815 211.8
2110.0 3.793 210.0
2111.0 3.771 208.2
2112.0 3.749 206.4
2113.0 3.727 204.6
2114.0 3.705 202.7
2115.0 3.683 200.8
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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