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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:11:55
WDS:
DON93BC
WDS ID/Discoverer
P:
116.600
Orbital period (years)
a:
1.287
Semi-major axis (arcseconds)
i:
139.3
Inclination (degrees)
Ω:
93.3
Longitude of ascending node (degrees)
T:
2005.800
Epoch of periastron passage (year)
e:
0.293
Eccentricity
ω:
280.3
Longitude of periastron (degrees)
Start-Year:
1967.0
Year
End-Year:
2083.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
050649.47-213503.7
Epoch-2000 right ascension and declination
WDS-ID:
05069-2135
WDS designation
Discoverer Code:
DON93BC
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
11.71
Magnitude of the primary
V2:
12.9
Magnitude of the secondary
Equinox:
Equinox
Date:
2020
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 1.180 83.4
-------------------------
1967.0 1.377 309.0
1968.0 1.378 307.0
1969.0 1.379 305.1
1970.0 1.379 303.1
1971.0 1.378 301.2
1972.0 1.376 299.2
1973.0 1.373 297.3
1974.0 1.369 295.3
1975.0 1.363 293.3
1976.0 1.356 291.3
1977.0 1.348 289.3
1978.0 1.339 287.2
1979.0 1.328 285.1
1980.0 1.315 283.0
1981.0 1.301 280.8
1982.0 1.285 278.6
1983.0 1.267 276.3
1984.0 1.248 274.0
1985.0 1.226 271.6
1986.0 1.203 269.1
1987.0 1.178 266.4
1988.0 1.151 263.7
1989.0 1.123 260.8
1990.0 1.092 257.8
1991.0 1.061 254.6
1992.0 1.027 251.2
1993.0 0.993 247.6
1994.0 0.957 243.7
1995.0 0.921 239.5
1996.0 0.886 234.9
1997.0 0.850 230.0
1998.0 0.817 224.7
1999.0 0.785 218.9
2000.0 0.756 212.6
2001.0 0.732 205.9
2002.0 0.713 198.8
2003.0 0.699 191.4
2004.0 0.693 183.7
2005.0 0.693 176.0
2006.0 0.700 168.3
2007.0 0.713 160.9
2008.0 0.733 153.8
2009.0 0.757 147.1
2010.0 0.784 140.8
2011.0 0.815 135.0
2012.0 0.846 129.6
2013.0 0.879 124.7
2014.0 0.912 120.0
2015.0 0.944 115.7
2016.0 0.976 111.7
2017.0 1.006 107.9
2018.0 1.034 104.4
2019.0 1.061 101.0
2020.0 1.085 97.8
2021.0 1.108 94.7
2022.0 1.129 91.7
2023.0 1.148 88.9
2024.0 1.165 86.1
2025.0 1.180 83.4
2026.0 1.193 80.8
2027.0 1.205 78.2
2028.0 1.215 75.7
2029.0 1.224 73.2
2030.0 1.231 70.7
2031.0 1.237 68.3
2032.0 1.242 65.9
2033.0 1.246 63.5
2034.0 1.249 61.1
2035.0 1.251 58.7
2036.0 1.253 56.4
2037.0 1.254 54.0
2038.0 1.254 51.6
2039.0 1.254 49.3
2040.0 1.253 46.9
2041.0 1.252 44.6
2042.0 1.251 42.2
2043.0 1.250 39.8
2044.0 1.249 37.4
2045.0 1.247 35.1
2046.0 1.246 32.7
2047.0 1.245 30.3
2048.0 1.244 27.9
2049.0 1.244 25.5
2050.0 1.243 23.1
2051.0 1.243 20.7
2052.0 1.243 18.3
2053.0 1.244 15.9
2054.0 1.245 13.5
2055.0 1.246 11.1
2056.0 1.248 8.7
2057.0 1.250 6.4
2058.0 1.252 4.0
2059.0 1.255 1.6
2060.0 1.259 359.3
2061.0 1.263 357.0
2062.0 1.267 354.6
2063.0 1.271 352.3
2064.0 1.276 350.0
2065.0 1.281 347.8
2066.0 1.286 345.5
2067.0 1.292 343.3
2068.0 1.298 341.1
2069.0 1.304 338.9
2070.0 1.310 336.7
2071.0 1.316 334.6
2072.0 1.322 332.4
2073.0 1.328 330.3
2074.0 1.334 328.2
2075.0 1.340 326.2
2076.0 1.346 324.1
2077.0 1.352 322.1
2078.0 1.357 320.1
2079.0 1.361 318.1
2080.0 1.366 316.1
2081.0 1.370 314.1
2082.0 1.373 312.1
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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