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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:37:32
WDS:
A2050AB
WDS ID/Discoverer
P:
114.840
Orbital period (years)
a:
0.152
Semi-major axis (arcseconds)
i:
22.7
Inclination (degrees)
Ω:
89.4
Longitude of ascending node (degrees)
T:
1986.220
Epoch of periastron passage (year)
e:
0.753
Eccentricity
ω:
40.3
Longitude of periastron (degrees)
Start-Year:
1968.0
Year
End-Year:
2082.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
080444.45+471723.6
Epoch-2000 right ascension and declination
WDS-ID:
08047+4717
WDS designation
Discoverer Code:
A2050AB
Discover designation and components
ADS number:
6552
Aitken Double Star catalog
HD number:
66263
HD catalog number
Hipparcos number:
39533
Hipparcos catalog number
V1:
9.7
Magnitude of the primary
V2:
9.7
Magnitude of the secondary
Equinox:
Equinox
Date:
1996
Date of last observation
Orbit grade:
3
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 0.243 294.7
-------------------------
1968.0 0.159 343.7
1969.0 0.153 345.5
1970.0 0.148 347.5
1971.0 0.142 349.5
1972.0 0.136 351.8
1973.0 0.130 354.3
1974.0 0.124 357.0
1975.0 0.117 0.1
1976.0 0.110 3.5
1977.0 0.103 7.4
1978.0 0.096 11.8
1979.0 0.088 17.1
1980.0 0.080 23.3
1981.0 0.072 30.9
1982.0 0.064 40.4
1983.0 0.056 52.6
1984.0 0.048 68.9
1985.0 0.041 91.0
1986.0 0.037 120.2
1987.0 0.037 153.6
1988.0 0.042 182.8
1989.0 0.050 204.0
1990.0 0.060 218.6
1991.0 0.070 229.1
1992.0 0.080 236.9
1993.0 0.089 243.1
1994.0 0.098 248.1
1995.0 0.107 252.2
1996.0 0.115 255.8
1997.0 0.123 258.9
1998.0 0.131 261.6
1999.0 0.138 264.1
2000.0 0.144 266.3
2001.0 0.151 268.3
2002.0 0.157 270.1
2003.0 0.163 271.9
2004.0 0.169 273.5
2005.0 0.174 275.0
2006.0 0.179 276.4
2007.0 0.184 277.7
2008.0 0.189 279.0
2009.0 0.193 280.2
2010.0 0.198 281.3
2011.0 0.202 282.4
2012.0 0.206 283.5
2013.0 0.210 284.5
2014.0 0.213 285.5
2015.0 0.217 286.4
2016.0 0.220 287.4
2017.0 0.223 288.2
2018.0 0.226 289.1
2019.0 0.229 290.0
2020.0 0.232 290.8
2021.0 0.234 291.6
2022.0 0.236 292.4
2023.0 0.239 293.2
2024.0 0.241 293.9
2025.0 0.243 294.7
2026.0 0.245 295.4
2027.0 0.246 296.2
2028.0 0.248 296.9
2029.0 0.250 297.6
2030.0 0.251 298.3
2031.0 0.252 299.0
2032.0 0.253 299.7
2033.0 0.254 300.4
2034.0 0.255 301.0
2035.0 0.256 301.7
2036.0 0.257 302.4
2037.0 0.257 303.1
2038.0 0.258 303.7
2039.0 0.258 304.4
2040.0 0.258 305.0
2041.0 0.258 305.7
2042.0 0.258 306.4
2043.0 0.258 307.0
2044.0 0.258 307.7
2045.0 0.258 308.3
2046.0 0.257 309.0
2047.0 0.257 309.7
2048.0 0.256 310.3
2049.0 0.255 311.0
2050.0 0.254 311.7
2051.0 0.253 312.4
2052.0 0.252 313.1
2053.0 0.251 313.8
2054.0 0.250 314.5
2055.0 0.248 315.2
2056.0 0.247 315.9
2057.0 0.245 316.6
2058.0 0.243 317.3
2059.0 0.241 318.1
2060.0 0.239 318.9
2061.0 0.237 319.6
2062.0 0.235 320.4
2063.0 0.233 321.2
2064.0 0.230 322.0
2065.0 0.228 322.9
2066.0 0.225 323.7
2067.0 0.222 324.6
2068.0 0.219 325.5
2069.0 0.216 326.4
2070.0 0.213 327.4
2071.0 0.210 328.4
2072.0 0.206 329.4
2073.0 0.203 330.4
2074.0 0.199 331.5
2075.0 0.195 332.7
2076.0 0.191 333.9
2077.0 0.187 335.1
2078.0 0.182 336.4
2079.0 0.178 337.7
2080.0 0.173 339.2
2081.0 0.168 340.7
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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