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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:33:31
WDS:
HO183AB
WDS ID/Discoverer
P:
129.243
Orbital period (years)
a:
2.4799
Semi-major axis (arcseconds)
i:
120.596
Inclination (degrees)
Ω:
117.37
Longitude of ascending node (degrees)
T:
1973.193
Epoch of periastron passage (year)
e:
0.99
Eccentricity
ω:
85.306
Longitude of periastron (degrees)
Start-Year:
1961.0
Year
End-Year:
2089.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
222445.44+223303.3
Epoch-2000 right ascension and declination
WDS-ID:
22248+2233
WDS designation
Discoverer Code:
HO183AB
Discover designation and components
ADS number:
15915
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
110640
Hipparcos catalog number
V1:
9.02
Magnitude of the primary
V2:
11.55
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
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 2.488 219.0
-------------------------
1961.0 1.283 200.9
1962.0 1.223 200.1
1963.0 1.160 199.2
1964.0 1.093 198.2
1965.0 1.023 197.1
1966.0 0.948 195.9
1967.0 0.868 194.4
1968.0 0.783 192.6
1969.0 0.689 190.3
1970.0 0.586 187.3
1971.0 0.470 182.8
1972.0 0.329 175.0
1973.0 0.121 147.7
1974.0 0.297 257.0
1975.0 0.468 248.4
1976.0 0.601 244.1
1977.0 0.715 241.2
1978.0 0.816 239.1
1979.0 0.907 237.5
1980.0 0.992 236.1
1981.0 1.070 234.9
1982.0 1.143 233.9
1983.0 1.212 233.0
1984.0 1.278 232.2
1985.0 1.340 231.5
1986.0 1.398 230.9
1987.0 1.454 230.3
1988.0 1.508 229.7
1989.0 1.559 229.2
1990.0 1.608 228.7
1991.0 1.655 228.2
1992.0 1.700 227.8
1993.0 1.743 227.4
1994.0 1.785 227.0
1995.0 1.825 226.6
1996.0 1.863 226.2
1997.0 1.900 225.9
1998.0 1.935 225.6
1999.0 1.970 225.2
2000.0 2.002 224.9
2001.0 2.034 224.6
2002.0 2.064 224.3
2003.0 2.093 224.0
2004.0 2.121 223.8
2005.0 2.148 223.5
2006.0 2.174 223.2
2007.0 2.199 223.0
2008.0 2.223 222.7
2009.0 2.246 222.5
2010.0 2.267 222.2
2011.0 2.288 222.0
2012.0 2.308 221.8
2013.0 2.327 221.5
2014.0 2.345 221.3
2015.0 2.362 221.1
2016.0 2.379 220.9
2017.0 2.394 220.7
2018.0 2.409 220.4
2019.0 2.422 220.2
2020.0 2.435 220.0
2021.0 2.447 219.8
2022.0 2.459 219.6
2023.0 2.469 219.4
2024.0 2.479 219.2
2025.0 2.488 219.0
2026.0 2.496 218.8
2027.0 2.503 218.6
2028.0 2.510 218.4
2029.0 2.516 218.2
2030.0 2.521 218.0
2031.0 2.526 217.8
2032.0 2.529 217.6
2033.0 2.532 217.5
2034.0 2.534 217.3
2035.0 2.536 217.1
2036.0 2.536 216.9
2037.0 2.536 216.7
2038.0 2.536 216.5
2039.0 2.534 216.3
2040.0 2.532 216.1
2041.0 2.529 215.9
2042.0 2.525 215.7
2043.0 2.521 215.5
2044.0 2.516 215.3
2045.0 2.510 215.1
2046.0 2.503 215.0
2047.0 2.496 214.8
2048.0 2.487 214.6
2049.0 2.479 214.4
2050.0 2.469 214.2
2051.0 2.458 214.0
2052.0 2.447 213.8
2053.0 2.435 213.5
2054.0 2.423 213.3
2055.0 2.409 213.1
2056.0 2.395 212.9
2057.0 2.380 212.7
2058.0 2.364 212.5
2059.0 2.347 212.3
2060.0 2.329 212.0
2061.0 2.311 211.8
2062.0 2.292 211.6
2063.0 2.271 211.3
2064.0 2.250 211.1
2065.0 2.228 210.8
2066.0 2.205 210.6
2067.0 2.182 210.3
2068.0 2.157 210.1
2069.0 2.131 209.8
2070.0 2.104 209.5
2071.0 2.077 209.3
2072.0 2.048 209.0
2073.0 2.018 208.7
2074.0 1.987 208.4
2075.0 1.955 208.0
2076.0 1.921 207.7
2077.0 1.887 207.4
2078.0 1.851 207.0
2079.0 1.814 206.7
2080.0 1.775 206.3
2081.0 1.735 205.9
2082.0 1.694 205.5
2083.0 1.651 205.0
2084.0 1.606 204.6
2085.0 1.560 204.1
2086.0 1.511 203.5
2087.0 1.461 203.0
2088.0 1.409 202.4
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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