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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:19:56
WDS:
VOU24AB
WDS ID/Discoverer
P:
128.500
Orbital period (years)
a:
0.264
Semi-major axis (arcseconds)
i:
161.9
Inclination (degrees)
Ω:
65.3
Longitude of ascending node (degrees)
T:
2020.030
Epoch of periastron passage (year)
e:
0.321
Eccentricity
ω:
250.0
Longitude of periastron (degrees)
Start-Year:
1961.0
Year
End-Year:
2089.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
211302.51-113305.8
Epoch-2000 right ascension and declination
WDS-ID:
21130-1133
WDS designation
Discoverer Code:
VOU24AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
201926
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.7
Magnitude of the primary
V2:
10.2
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 0.176 146.8
-------------------------
1961.0 0.331 347.9
1962.0 0.330 346.3
1963.0 0.329 344.7
1964.0 0.328 343.1
1965.0 0.327 341.4
1966.0 0.326 339.8
1967.0 0.325 338.1
1968.0 0.323 336.5
1969.0 0.322 334.8
1970.0 0.320 333.1
1971.0 0.319 331.3
1972.0 0.317 329.6
1973.0 0.315 327.9
1974.0 0.314 326.1
1975.0 0.312 324.3
1976.0 0.310 322.5
1977.0 0.308 320.6
1978.0 0.306 318.7
1979.0 0.303 316.8
1980.0 0.301 314.9
1981.0 0.299 313.0
1982.0 0.296 311.0
1983.0 0.294 309.0
1984.0 0.291 306.9
1985.0 0.288 304.8
1986.0 0.286 302.7
1987.0 0.283 300.5
1988.0 0.280 298.3
1989.0 0.277 296.0
1990.0 0.274 293.7
1991.0 0.271 291.3
1992.0 0.267 288.9
1993.0 0.264 286.4
1994.0 0.261 283.8
1995.0 0.257 281.2
1996.0 0.254 278.5
1997.0 0.250 275.7
1998.0 0.246 272.9
1999.0 0.242 269.9
2000.0 0.239 266.9
2001.0 0.235 263.8
2002.0 0.231 260.5
2003.0 0.227 257.2
2004.0 0.223 253.7
2005.0 0.219 250.1
2006.0 0.214 246.3
2007.0 0.210 242.4
2008.0 0.206 238.4
2009.0 0.202 234.2
2010.0 0.198 229.8
2011.0 0.194 225.2
2012.0 0.191 220.5
2013.0 0.187 215.5
2014.0 0.184 210.4
2015.0 0.181 205.1
2016.0 0.178 199.6
2017.0 0.176 194.0
2018.0 0.174 188.3
2019.0 0.172 182.4
2020.0 0.171 176.4
2021.0 0.171 170.4
2022.0 0.171 164.4
2023.0 0.172 158.5
2024.0 0.174 152.6
2025.0 0.176 146.8
2026.0 0.178 141.2
2027.0 0.181 135.8
2028.0 0.184 130.5
2029.0 0.188 125.4
2030.0 0.192 120.5
2031.0 0.196 115.9
2032.0 0.201 111.4
2033.0 0.205 107.1
2034.0 0.210 103.1
2035.0 0.215 99.2
2036.0 0.220 95.4
2037.0 0.225 91.9
2038.0 0.229 88.5
2039.0 0.234 85.2
2040.0 0.239 82.1
2041.0 0.244 79.0
2042.0 0.248 76.1
2043.0 0.253 73.3
2044.0 0.257 70.6
2045.0 0.262 68.0
2046.0 0.266 65.5
2047.0 0.270 63.0
2048.0 0.274 60.7
2049.0 0.277 58.3
2050.0 0.281 56.1
2051.0 0.285 53.9
2052.0 0.288 51.7
2053.0 0.291 49.7
2054.0 0.295 47.6
2055.0 0.298 45.6
2056.0 0.300 43.6
2057.0 0.303 41.7
2058.0 0.306 39.8
2059.0 0.308 37.9
2060.0 0.311 36.1
2061.0 0.313 34.3
2062.0 0.315 32.5
2063.0 0.317 30.8
2064.0 0.319 29.0
2065.0 0.321 27.3
2066.0 0.322 25.6
2067.0 0.324 23.9
2068.0 0.325 22.3
2069.0 0.327 20.6
2070.0 0.328 19.0
2071.0 0.329 17.3
2072.0 0.330 15.7
2073.0 0.331 14.1
2074.0 0.332 12.5
2075.0 0.332 10.9
2076.0 0.333 9.3
2077.0 0.333 7.7
2078.0 0.334 6.2
2079.0 0.334 4.6
2080.0 0.334 3.0
2081.0 0.334 1.4
2082.0 0.334 359.8
2083.0 0.334 358.3
2084.0 0.334 356.7
2085.0 0.333 355.1
2086.0 0.333 353.5
2087.0 0.332 351.9
2088.0 0.332 350.3
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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