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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:38:47
WDS:
A194
WDS ID/Discoverer
P:
104.280
Orbital period (years)
a:
0.206
Semi-major axis (arcseconds)
i:
94.7
Inclination (degrees)
Ω:
108.0
Longitude of ascending node (degrees)
T:
1990.260
Epoch of periastron passage (year)
e:
0.079
Eccentricity
ω:
151.6
Longitude of periastron (degrees)
Start-Year:
1973.0
Year
End-Year:
2077.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
230157.12+475954.8
Epoch-2000 right ascension and declination
WDS-ID:
23020+4800
WDS designation
Discoverer Code:
A194
Discover designation and components
ADS number:
16457
Aitken Double Star catalog
HD number:
217712
HD catalog number
Hipparcos number:
113729
Hipparcos catalog number
V1:
8.68
Magnitude of the primary
V2:
8.83
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2008
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 0.038 135.4
-------------------------
1973.0 0.027 70.9
1974.0 0.018 45.7
1975.0 0.017 2.7
1976.0 0.024 330.8
1977.0 0.034 315.7
1978.0 0.046 308.0
1979.0 0.057 303.4
1980.0 0.069 300.4
1981.0 0.081 298.2
1982.0 0.092 296.6
1983.0 0.103 295.4
1984.0 0.114 294.4
1985.0 0.124 293.5
1986.0 0.134 292.8
1987.0 0.143 292.2
1988.0 0.151 291.6
1989.0 0.158 291.1
1990.0 0.165 290.6
1991.0 0.172 290.2
1992.0 0.177 289.8
1993.0 0.181 289.5
1994.0 0.185 289.1
1995.0 0.188 288.8
1996.0 0.190 288.4
1997.0 0.191 288.1
1998.0 0.192 287.8
1999.0 0.191 287.4
2000.0 0.190 287.1
2001.0 0.187 286.8
2002.0 0.184 286.4
2003.0 0.180 286.1
2004.0 0.176 285.7
2005.0 0.171 285.3
2006.0 0.164 284.9
2007.0 0.158 284.4
2008.0 0.150 283.9
2009.0 0.142 283.3
2010.0 0.134 282.7
2011.0 0.125 282.0
2012.0 0.116 281.2
2013.0 0.106 280.2
2014.0 0.095 279.0
2015.0 0.085 277.5
2016.0 0.074 275.6
2017.0 0.063 273.1
2018.0 0.052 269.5
2019.0 0.042 264.0
2020.0 0.031 254.7
2021.0 0.022 237.4
2022.0 0.018 205.3
2023.0 0.020 168.8
2024.0 0.028 146.8
2025.0 0.038 135.4
2026.0 0.049 128.9
2027.0 0.060 124.7
2028.0 0.070 121.9
2029.0 0.081 119.8
2030.0 0.092 118.2
2031.0 0.103 116.9
2032.0 0.113 115.9
2033.0 0.123 115.0
2034.0 0.132 114.3
2035.0 0.142 113.6
2036.0 0.150 113.1
2037.0 0.159 112.6
2038.0 0.167 112.1
2039.0 0.174 111.7
2040.0 0.181 111.3
2041.0 0.188 111.0
2042.0 0.194 110.7
2043.0 0.199 110.4
2044.0 0.204 110.1
2045.0 0.208 109.8
2046.0 0.211 109.5
2047.0 0.214 109.2
2048.0 0.217 109.0
2049.0 0.219 108.7
2050.0 0.220 108.5
2051.0 0.220 108.2
2052.0 0.220 108.0
2053.0 0.219 107.7
2054.0 0.218 107.5
2055.0 0.216 107.2
2056.0 0.213 107.0
2057.0 0.209 106.7
2058.0 0.205 106.4
2059.0 0.200 106.1
2060.0 0.195 105.8
2061.0 0.189 105.5
2062.0 0.183 105.2
2063.0 0.175 104.8
2064.0 0.168 104.4
2065.0 0.159 103.9
2066.0 0.151 103.4
2067.0 0.141 102.9
2068.0 0.131 102.2
2069.0 0.121 101.5
2070.0 0.111 100.6
2071.0 0.099 99.5
2072.0 0.088 98.1
2073.0 0.077 96.4
2074.0 0.065 93.9
2075.0 0.053 90.4
2076.0 0.041 84.9
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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