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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:27:06
WDS:
I952
WDS ID/Discoverer
P:
99.130
Orbital period (years)
a:
0.521
Semi-major axis (arcseconds)
i:
156.1
Inclination (degrees)
Ω:
27.1
Longitude of ascending node (degrees)
T:
1981.390
Epoch of periastron passage (year)
e:
0.659
Eccentricity
ω:
268.1
Longitude of periastron (degrees)
Start-Year:
1976.0
Year
End-Year:
2074.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
145304.85-463812.5
Epoch-2000 right ascension and declination
WDS-ID:
14531-4638
WDS designation
Discoverer Code:
I952
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
131078
HD catalog number
Hipparcos number:
72821
Hipparcos catalog number
V1:
8.51
Magnitude of the primary
V2:
10.14
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2013
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 0.784 305.7
-------------------------
1976.0 0.288 207.1
1977.0 0.259 198.0
1978.0 0.229 186.6
1979.0 0.201 171.9
1980.0 0.177 152.8
1981.0 0.164 129.1
1982.0 0.165 103.7
1983.0 0.181 80.7
1984.0 0.206 62.4
1985.0 0.235 48.4
1986.0 0.265 37.5
1987.0 0.295 28.8
1988.0 0.323 21.7
1989.0 0.351 15.8
1990.0 0.377 10.6
1991.0 0.401 6.1
1992.0 0.425 2.2
1993.0 0.447 358.6
1994.0 0.468 355.4
1995.0 0.489 352.4
1996.0 0.508 349.7
1997.0 0.526 347.1
1998.0 0.544 344.8
1999.0 0.560 342.5
2000.0 0.576 340.4
2001.0 0.591 338.4
2002.0 0.605 336.6
2003.0 0.619 334.7
2004.0 0.632 333.0
2005.0 0.645 331.4
2006.0 0.656 329.8
2007.0 0.668 328.2
2008.0 0.678 326.7
2009.0 0.688 325.3
2010.0 0.698 323.8
2011.0 0.707 322.5
2012.0 0.715 321.1
2013.0 0.723 319.8
2014.0 0.731 318.5
2015.0 0.738 317.3
2016.0 0.745 316.1
2017.0 0.751 314.8
2018.0 0.756 313.6
2019.0 0.762 312.5
2020.0 0.766 311.3
2021.0 0.771 310.2
2022.0 0.774 309.0
2023.0 0.778 307.9
2024.0 0.781 306.8
2025.0 0.784 305.7
2026.0 0.786 304.6
2027.0 0.787 303.5
2028.0 0.789 302.4
2029.0 0.790 301.3
2030.0 0.790 300.2
2031.0 0.790 299.1
2032.0 0.790 298.0
2033.0 0.789 297.0
2034.0 0.788 295.9
2035.0 0.787 294.8
2036.0 0.785 293.7
2037.0 0.782 292.6
2038.0 0.779 291.5
2039.0 0.776 290.3
2040.0 0.773 289.2
2041.0 0.768 288.1
2042.0 0.764 286.9
2043.0 0.759 285.7
2044.0 0.754 284.6
2045.0 0.748 283.4
2046.0 0.742 282.1
2047.0 0.735 280.9
2048.0 0.728 279.6
2049.0 0.720 278.3
2050.0 0.712 277.0
2051.0 0.703 275.7
2052.0 0.694 274.3
2053.0 0.684 272.8
2054.0 0.674 271.4
2055.0 0.663 269.9
2056.0 0.652 268.3
2057.0 0.640 266.7
2058.0 0.628 265.0
2059.0 0.614 263.2
2060.0 0.601 261.4
2061.0 0.586 259.5
2062.0 0.571 257.4
2063.0 0.555 255.3
2064.0 0.539 253.0
2065.0 0.521 250.6
2066.0 0.503 248.0
2067.0 0.484 245.3
2068.0 0.464 242.2
2069.0 0.443 238.9
2070.0 0.421 235.3
2071.0 0.397 231.2
2072.0 0.373 226.7
2073.0 0.347 221.4
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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