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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:54:31
WDS:
KUI44
WDS ID/Discoverer
P:
113.100
Orbital period (years)
a:
0.208
Semi-major axis (arcseconds)
i:
107.5
Inclination (degrees)
Ω:
27.9
Longitude of ascending node (degrees)
T:
2000.310
Epoch of periastron passage (year)
e:
0.887
Eccentricity
ω:
332.0
Longitude of periastron (degrees)
Start-Year:
1969.0
Year
End-Year:
2081.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
094950.12+211046.0
Epoch-2000 right ascension and declination
WDS-ID:
09498+2111
WDS designation
Discoverer Code:
KUI44
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
85040
HD catalog number
Hipparcos number:
48218
Hipparcos catalog number
V1:
6.62
Magnitude of the primary
V2:
7.31
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2004
Date of last observation
Orbit grade:
3
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 0.230 223.8
-------------------------
1969.0 0.327 213.0
1970.0 0.323 212.8
1971.0 0.319 212.6
1972.0 0.315 212.4
1973.0 0.311 212.2
1974.0 0.307 212.0
1975.0 0.302 211.8
1976.0 0.297 211.6
1977.0 0.291 211.4
1978.0 0.286 211.2
1979.0 0.280 210.9
1980.0 0.273 210.7
1981.0 0.267 210.4
1982.0 0.260 210.1
1983.0 0.252 209.9
1984.0 0.244 209.5
1985.0 0.236 209.2
1986.0 0.227 208.9
1987.0 0.218 208.5
1988.0 0.208 208.1
1989.0 0.197 207.6
1990.0 0.186 207.1
1991.0 0.174 206.5
1992.0 0.161 205.8
1993.0 0.147 205.0
1994.0 0.132 204.0
1995.0 0.116 202.8
1996.0 0.097 201.1
1997.0 0.077 198.5
1998.0 0.053 193.9
1999.0 0.025 179.8
2000.0 0.014 57.1
2001.0 0.026 15.6
2002.0 0.022 342.9
2003.0 0.022 300.8
2004.0 0.031 272.2
2005.0 0.042 257.4
2006.0 0.054 249.1
2007.0 0.067 243.8
2008.0 0.079 240.2
2009.0 0.090 237.5
2010.0 0.101 235.4
2011.0 0.112 233.7
2012.0 0.122 232.3
2013.0 0.132 231.1
2014.0 0.142 230.1
2015.0 0.151 229.2
2016.0 0.161 228.4
2017.0 0.169 227.7
2018.0 0.178 227.1
2019.0 0.186 226.5
2020.0 0.194 226.0
2021.0 0.202 225.5
2022.0 0.209 225.0
2023.0 0.216 224.6
2024.0 0.223 224.2
2025.0 0.230 223.8
2026.0 0.237 223.5
2027.0 0.243 223.2
2028.0 0.249 222.8
2029.0 0.255 222.5
2030.0 0.261 222.2
2031.0 0.266 222.0
2032.0 0.272 221.7
2033.0 0.277 221.5
2034.0 0.282 221.2
2035.0 0.287 221.0
2036.0 0.291 220.7
2037.0 0.296 220.5
2038.0 0.300 220.3
2039.0 0.304 220.1
2040.0 0.308 219.9
2041.0 0.312 219.7
2042.0 0.316 219.5
2043.0 0.319 219.3
2044.0 0.323 219.1
2045.0 0.326 218.9
2046.0 0.329 218.8
2047.0 0.332 218.6
2048.0 0.334 218.4
2049.0 0.337 218.2
2050.0 0.339 218.1
2051.0 0.341 217.9
2052.0 0.343 217.8
2053.0 0.345 217.6
2054.0 0.347 217.4
2055.0 0.348 217.3
2056.0 0.350 217.1
2057.0 0.351 217.0
2058.0 0.352 216.8
2059.0 0.353 216.7
2060.0 0.354 216.5
2061.0 0.355 216.3
2062.0 0.355 216.2
2063.0 0.355 216.0
2064.0 0.355 215.9
2065.0 0.355 215.7
2066.0 0.355 215.6
2067.0 0.355 215.4
2068.0 0.354 215.3
2069.0 0.353 215.1
2070.0 0.353 215.0
2071.0 0.351 214.8
2072.0 0.350 214.7
2073.0 0.349 214.5
2074.0 0.347 214.4
2075.0 0.345 214.2
2076.0 0.343 214.0
2077.0 0.341 213.9
2078.0 0.339 213.7
2079.0 0.336 213.5
2080.0 0.333 213.4
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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