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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:06:18
WDS:
HU75
WDS ID/Discoverer
P:
129.670
Orbital period (years)
a:
0.496
Semi-major axis (arcseconds)
i:
31.5
Inclination (degrees)
Ω:
183.1
Longitude of ascending node (degrees)
T:
2009.470
Epoch of periastron passage (year)
e:
0.652
Eccentricity
ω:
245.3
Longitude of periastron (degrees)
Start-Year:
1961.0
Year
End-Year:
2089.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
192937.86-123848.1
Epoch-2000 right ascension and declination
WDS-ID:
19296-1239
WDS designation
Discoverer Code:
HU75
Discover designation and components
ADS number:
12505
Aitken Double Star catalog
HD number:
183347
HD catalog number
Hipparcos number:
95847
Hipparcos catalog number
V1:
7.09
Magnitude of the primary
V2:
9.15
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
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 0.438 189.8
-------------------------
1961.0 0.672 259.5
1962.0 0.667 260.5
1963.0 0.662 261.5
1964.0 0.657 262.5
1965.0 0.651 263.5
1966.0 0.645 264.6
1967.0 0.640 265.6
1968.0 0.633 266.7
1969.0 0.627 267.8
1970.0 0.621 269.0
1971.0 0.614 270.1
1972.0 0.607 271.3
1973.0 0.600 272.5
1974.0 0.592 273.8
1975.0 0.585 275.0
1976.0 0.577 276.4
1977.0 0.569 277.7
1978.0 0.561 279.1
1979.0 0.552 280.5
1980.0 0.544 282.0
1981.0 0.535 283.5
1982.0 0.525 285.1
1983.0 0.516 286.7
1984.0 0.506 288.4
1985.0 0.496 290.1
1986.0 0.486 292.0
1987.0 0.475 293.9
1988.0 0.465 295.9
1989.0 0.454 298.0
1990.0 0.442 300.2
1991.0 0.431 302.5
1992.0 0.419 304.9
1993.0 0.406 307.5
1994.0 0.394 310.3
1995.0 0.381 313.2
1996.0 0.367 316.4
1997.0 0.354 319.8
1998.0 0.339 323.5
1999.0 0.325 327.5
2000.0 0.309 331.9
2001.0 0.293 336.8
2002.0 0.277 342.2
2003.0 0.260 348.3
2004.0 0.242 355.4
2005.0 0.223 3.6
2006.0 0.204 13.2
2007.0 0.186 24.9
2008.0 0.169 39.1
2009.0 0.156 56.0
2010.0 0.150 75.1
2011.0 0.153 94.5
2012.0 0.165 112.1
2013.0 0.184 126.6
2014.0 0.206 138.3
2015.0 0.230 147.7
2016.0 0.254 155.3
2017.0 0.278 161.5
2018.0 0.301 166.8
2019.0 0.323 171.4
2020.0 0.345 175.3
2021.0 0.365 178.8
2022.0 0.385 182.0
2023.0 0.403 184.8
2024.0 0.421 187.4
2025.0 0.438 189.8
2026.0 0.454 192.0
2027.0 0.470 194.1
2028.0 0.485 196.0
2029.0 0.499 197.9
2030.0 0.512 199.6
2031.0 0.525 201.2
2032.0 0.538 202.8
2033.0 0.549 204.3
2034.0 0.561 205.7
2035.0 0.571 207.1
2036.0 0.582 208.4
2037.0 0.591 209.7
2038.0 0.601 211.0
2039.0 0.610 212.2
2040.0 0.618 213.3
2041.0 0.626 214.5
2042.0 0.634 215.6
2043.0 0.641 216.7
2044.0 0.648 217.7
2045.0 0.655 218.8
2046.0 0.661 219.8
2047.0 0.667 220.8
2048.0 0.673 221.8
2049.0 0.678 222.7
2050.0 0.683 223.7
2051.0 0.687 224.6
2052.0 0.692 225.6
2053.0 0.696 226.5
2054.0 0.700 227.4
2055.0 0.703 228.3
2056.0 0.706 229.2
2057.0 0.709 230.1
2058.0 0.712 230.9
2059.0 0.714 231.8
2060.0 0.717 232.7
2061.0 0.718 233.5
2062.0 0.720 234.4
2063.0 0.722 235.2
2064.0 0.723 236.1
2065.0 0.724 236.9
2066.0 0.724 237.8
2067.0 0.725 238.6
2068.0 0.725 239.4
2069.0 0.725 240.3
2070.0 0.725 241.1
2071.0 0.724 242.0
2072.0 0.724 242.8
2073.0 0.723 243.7
2074.0 0.722 244.5
2075.0 0.720 245.3
2076.0 0.719 246.2
2077.0 0.717 247.1
2078.0 0.715 247.9
2079.0 0.713 248.8
2080.0 0.710 249.7
2081.0 0.708 250.5
2082.0 0.705 251.4
2083.0 0.702 252.3
2084.0 0.699 253.2
2085.0 0.695 254.1
2086.0 0.691 255.0
2087.0 0.688 256.0
2088.0 0.684 256.9
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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