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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:55:11
WDS:
COU2086AB
WDS ID/Discoverer
P:
105.200
Orbital period (years)
a:
0.216
Semi-major axis (arcseconds)
i:
82.6
Inclination (degrees)
Ω:
67.9
Longitude of ascending node (degrees)
T:
1996.800
Epoch of periastron passage (year)
e:
0.14
Eccentricity
ω:
27.4
Longitude of periastron (degrees)
Start-Year:
1973.0
Year
End-Year:
2077.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
095808.29+385610.5
Epoch-2000 right ascension and declination
WDS-ID:
09581+3856
WDS designation
Discoverer Code:
COU2086AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
86237
HD catalog number
Hipparcos number:
48878
Hipparcos catalog number
V1:
8.93
Magnitude of the primary
V2:
9.32
Magnitude of the secondary
Equinox:
Equinox
Date:
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 0.171 241.6
-------------------------
1973.0 0.078 48.3
1974.0 0.088 51.3
1975.0 0.099 53.6
1976.0 0.109 55.5
1977.0 0.119 57.1
1978.0 0.128 58.4
1979.0 0.137 59.6
1980.0 0.145 60.6
1981.0 0.153 61.5
1982.0 0.160 62.3
1983.0 0.167 63.1
1984.0 0.172 63.8
1985.0 0.177 64.5
1986.0 0.181 65.1
1987.0 0.185 65.7
1988.0 0.187 66.3
1989.0 0.188 66.9
1990.0 0.189 67.5
1991.0 0.188 68.0
1992.0 0.187 68.6
1993.0 0.184 69.2
1994.0 0.180 69.8
1995.0 0.176 70.5
1996.0 0.170 71.1
1997.0 0.164 71.9
1998.0 0.157 72.7
1999.0 0.148 73.5
2000.0 0.139 74.5
2001.0 0.130 75.6
2002.0 0.119 77.0
2003.0 0.109 78.5
2004.0 0.097 80.5
2005.0 0.085 82.9
2006.0 0.073 86.2
2007.0 0.061 90.7
2008.0 0.050 97.4
2009.0 0.039 108.1
2010.0 0.030 126.1
2011.0 0.026 153.7
2012.0 0.028 182.9
2013.0 0.037 202.9
2014.0 0.047 214.8
2015.0 0.059 222.2
2016.0 0.071 227.0
2017.0 0.083 230.5
2018.0 0.095 233.0
2019.0 0.107 235.0
2020.0 0.119 236.6
2021.0 0.130 237.9
2022.0 0.141 239.1
2023.0 0.151 240.0
2024.0 0.161 240.8
2025.0 0.171 241.6
2026.0 0.179 242.3
2027.0 0.188 242.9
2028.0 0.196 243.4
2029.0 0.203 243.9
2030.0 0.209 244.4
2031.0 0.215 244.9
2032.0 0.221 245.3
2033.0 0.226 245.7
2034.0 0.230 246.1
2035.0 0.234 246.5
2036.0 0.237 246.8
2037.0 0.239 247.2
2038.0 0.241 247.5
2039.0 0.242 247.9
2040.0 0.242 248.2
2041.0 0.242 248.6
2042.0 0.242 248.9
2043.0 0.240 249.3
2044.0 0.239 249.6
2045.0 0.236 250.0
2046.0 0.233 250.4
2047.0 0.230 250.8
2048.0 0.226 251.1
2049.0 0.221 251.6
2050.0 0.216 252.0
2051.0 0.210 252.4
2052.0 0.204 252.9
2053.0 0.198 253.4
2054.0 0.191 253.9
2055.0 0.183 254.5
2056.0 0.175 255.2
2057.0 0.167 255.9
2058.0 0.158 256.6
2059.0 0.149 257.5
2060.0 0.140 258.5
2061.0 0.130 259.6
2062.0 0.120 260.9
2063.0 0.110 262.4
2064.0 0.099 264.3
2065.0 0.089 266.6
2066.0 0.078 269.6
2067.0 0.067 273.5
2068.0 0.057 278.7
2069.0 0.047 286.3
2070.0 0.039 297.5
2071.0 0.032 314.3
2072.0 0.029 336.6
2073.0 0.031 359.6
2074.0 0.037 17.5
2075.0 0.045 29.7
2076.0 0.055 37.8
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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