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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:24:59
WDS:
HU1119
WDS ID/Discoverer
P:
120.500
Orbital period (years)
a:
0.49
Semi-major axis (arcseconds)
i:
85.0
Inclination (degrees)
Ω:
50.0
Longitude of ascending node (degrees)
T:
1976.500
Epoch of periastron passage (year)
e:
0.38
Eccentricity
ω:
131.0
Longitude of periastron (degrees)
Start-Year:
1965.0
Year
End-Year:
2085.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
061837.52+674342.5
Epoch-2000 right ascension and declination
WDS-ID:
06186+6744
WDS designation
Discoverer Code:
HU1119
Discover designation and components
ADS number:
4876
Aitken Double Star catalog
HD number:
42891
HD catalog number
Hipparcos number:
29974
Hipparcos catalog number
V1:
8.99
Magnitude of the primary
V2:
9.76
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 0.269 38.7
-------------------------
1965.0 0.191 58.5
1966.0 0.159 60.4
1967.0 0.126 63.3
1968.0 0.093 68.2
1969.0 0.061 78.3
1970.0 0.034 107.3
1971.0 0.033 171.4
1972.0 0.059 202.6
1973.0 0.091 213.4
1974.0 0.124 218.5
1975.0 0.156 221.5
1976.0 0.186 223.5
1977.0 0.214 224.9
1978.0 0.240 226.1
1979.0 0.264 227.0
1980.0 0.284 227.7
1981.0 0.302 228.4
1982.0 0.317 229.0
1983.0 0.328 229.6
1984.0 0.337 230.1
1985.0 0.343 230.6
1986.0 0.346 231.1
1987.0 0.347 231.6
1988.0 0.346 232.0
1989.0 0.342 232.5
1990.0 0.337 233.0
1991.0 0.330 233.6
1992.0 0.321 234.1
1993.0 0.311 234.7
1994.0 0.300 235.3
1995.0 0.287 236.0
1996.0 0.274 236.7
1997.0 0.260 237.5
1998.0 0.244 238.4
1999.0 0.229 239.5
2000.0 0.212 240.7
2001.0 0.196 242.0
2002.0 0.178 243.7
2003.0 0.161 245.7
2004.0 0.144 248.2
2005.0 0.126 251.4
2006.0 0.109 255.6
2007.0 0.093 261.3
2008.0 0.077 269.4
2009.0 0.064 281.3
2010.0 0.055 298.1
2011.0 0.051 319.3
2012.0 0.055 340.2
2013.0 0.065 356.5
2014.0 0.079 7.9
2015.0 0.094 15.8
2016.0 0.111 21.3
2017.0 0.128 25.4
2018.0 0.146 28.5
2019.0 0.164 30.9
2020.0 0.182 32.8
2021.0 0.199 34.4
2022.0 0.217 35.8
2023.0 0.234 36.9
2024.0 0.252 37.9
2025.0 0.269 38.7
2026.0 0.286 39.5
2027.0 0.302 40.2
2028.0 0.319 40.8
2029.0 0.335 41.3
2030.0 0.350 41.8
2031.0 0.365 42.2
2032.0 0.380 42.7
2033.0 0.395 43.0
2034.0 0.409 43.4
2035.0 0.423 43.7
2036.0 0.436 44.1
2037.0 0.449 44.3
2038.0 0.461 44.6
2039.0 0.473 44.9
2040.0 0.485 45.1
2041.0 0.496 45.4
2042.0 0.506 45.6
2043.0 0.516 45.8
2044.0 0.526 46.0
2045.0 0.535 46.3
2046.0 0.543 46.5
2047.0 0.550 46.6
2048.0 0.558 46.8
2049.0 0.564 47.0
2050.0 0.570 47.2
2051.0 0.575 47.4
2052.0 0.580 47.5
2053.0 0.583 47.7
2054.0 0.587 47.9
2055.0 0.589 48.1
2056.0 0.591 48.2
2057.0 0.592 48.4
2058.0 0.592 48.6
2059.0 0.591 48.7
2060.0 0.590 48.9
2061.0 0.587 49.1
2062.0 0.584 49.2
2063.0 0.580 49.4
2064.0 0.575 49.6
2065.0 0.569 49.7
2066.0 0.562 49.9
2067.0 0.554 50.1
2068.0 0.545 50.3
2069.0 0.535 50.5
2070.0 0.523 50.7
2071.0 0.511 50.9
2072.0 0.498 51.1
2073.0 0.483 51.4
2074.0 0.467 51.6
2075.0 0.450 51.9
2076.0 0.432 52.2
2077.0 0.412 52.5
2078.0 0.391 52.9
2079.0 0.368 53.3
2080.0 0.345 53.8
2081.0 0.320 54.3
2082.0 0.293 54.9
2083.0 0.266 55.6
2084.0 0.236 56.6
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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