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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:20:21
WDS:
RST3852
WDS ID/Discoverer
P:
95.000
Orbital period (years)
a:
0.225
Semi-major axis (arcseconds)
i:
128.9
Inclination (degrees)
Ω:
150.6
Longitude of ascending node (degrees)
T:
1985.800
Epoch of periastron passage (year)
e:
0.278
Eccentricity
ω:
31.2
Longitude of periastron (degrees)
Start-Year:
1978.0
Year
End-Year:
2072.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
135351.68-143950.8
Epoch-2000 right ascension and declination
WDS-ID:
13539-1440
WDS designation
Discoverer Code:
RST3852
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
121136
HD catalog number
Hipparcos number:
67850
Hipparcos catalog number
V1:
7.85
Magnitude of the primary
V2:
8.92
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2009
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 0.278 322.7
-------------------------
1978.0 0.170 163.6
1979.0 0.171 159.6
1980.0 0.170 155.6
1981.0 0.168 151.6
1982.0 0.166 147.4
1983.0 0.162 143.1
1984.0 0.158 138.6
1985.0 0.153 133.8
1986.0 0.147 128.7
1987.0 0.141 123.2
1988.0 0.135 117.1
1989.0 0.129 110.5
1990.0 0.123 103.2
1991.0 0.119 95.3
1992.0 0.115 86.8
1993.0 0.113 77.8
1994.0 0.113 68.7
1995.0 0.114 59.7
1996.0 0.118 51.0
1997.0 0.123 43.0
1998.0 0.129 35.6
1999.0 0.136 29.0
2000.0 0.144 23.1
2001.0 0.153 17.9
2002.0 0.162 13.2
2003.0 0.170 9.0
2004.0 0.179 5.2
2005.0 0.188 1.8
2006.0 0.197 358.6
2007.0 0.205 355.8
2008.0 0.213 353.1
2009.0 0.220 350.7
2010.0 0.228 348.4
2011.0 0.234 346.2
2012.0 0.240 344.1
2013.0 0.246 342.2
2014.0 0.251 340.3
2015.0 0.256 338.5
2016.0 0.260 336.8
2017.0 0.264 335.1
2018.0 0.268 333.5
2019.0 0.270 331.9
2020.0 0.273 330.3
2021.0 0.275 328.7
2022.0 0.276 327.2
2023.0 0.277 325.7
2024.0 0.278 324.2
2025.0 0.278 322.7
2026.0 0.277 321.2
2027.0 0.277 319.7
2028.0 0.276 318.2
2029.0 0.274 316.7
2030.0 0.272 315.1
2031.0 0.270 313.5
2032.0 0.267 311.9
2033.0 0.264 310.3
2034.0 0.261 308.6
2035.0 0.257 306.9
2036.0 0.253 305.1
2037.0 0.249 303.3
2038.0 0.244 301.4
2039.0 0.240 299.4
2040.0 0.235 297.3
2041.0 0.230 295.2
2042.0 0.224 292.9
2043.0 0.219 290.6
2044.0 0.213 288.1
2045.0 0.207 285.5
2046.0 0.202 282.7
2047.0 0.196 279.8
2048.0 0.190 276.7
2049.0 0.185 273.4
2050.0 0.180 269.9
2051.0 0.174 266.2
2052.0 0.170 262.3
2053.0 0.165 258.2
2054.0 0.161 253.8
2055.0 0.157 249.2
2056.0 0.154 244.5
2057.0 0.152 239.5
2058.0 0.150 234.4
2059.0 0.149 229.3
2060.0 0.148 224.0
2061.0 0.148 218.7
2062.0 0.149 213.5
2063.0 0.150 208.3
2064.0 0.152 203.3
2065.0 0.154 198.3
2066.0 0.157 193.5
2067.0 0.159 188.9
2068.0 0.162 184.4
2069.0 0.164 180.0
2070.0 0.166 175.8
2071.0 0.168 171.6
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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