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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:34:30
WDS:
CHR259
WDS ID/Discoverer
P:
71.094
Orbital period (years)
a:
0.552
Semi-major axis (arcseconds)
i:
104.3
Inclination (degrees)
Ω:
284.4
Longitude of ascending node (degrees)
T:
1989.836
Epoch of periastron passage (year)
e:
0.662
Eccentricity
ω:
120.1
Longitude of periastron (degrees)
Start-Year:
1990.0
Year
End-Year:
2060.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
154937.20-032548.7
Epoch-2000 right ascension and declination
WDS-ID:
15496-0326
WDS designation
Discoverer Code:
CHR259
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
141513
HD catalog number
Hipparcos number:
77516
Hipparcos catalog number
V1:
3.75
Magnitude of the primary
V2:
5.39
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2018
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 0.494 307.9
-------------------------
1990.0 0.115 123.5
1991.0 0.187 110.5
1992.0 0.235 104.1
1993.0 0.261 99.5
1994.0 0.272 95.5
1995.0 0.273 91.7
1996.0 0.268 87.8
1997.0 0.258 83.7
1998.0 0.246 79.2
1999.0 0.233 74.2
2000.0 0.219 68.6
2001.0 0.206 62.3
2002.0 0.194 55.1
2003.0 0.185 47.1
2004.0 0.178 38.4
2005.0 0.176 29.3
2006.0 0.177 20.1
2007.0 0.182 11.1
2008.0 0.190 2.8
2009.0 0.201 355.3
2010.0 0.215 348.7
2011.0 0.231 343.0
2012.0 0.248 338.0
2013.0 0.267 333.7
2014.0 0.286 329.9
2015.0 0.305 326.6
2016.0 0.325 323.8
2017.0 0.345 321.2
2018.0 0.365 318.9
2019.0 0.384 316.9
2020.0 0.403 315.1
2021.0 0.422 313.4
2022.0 0.441 311.8
2023.0 0.459 310.4
2024.0 0.477 309.1
2025.0 0.494 307.9
2026.0 0.510 306.8
2027.0 0.526 305.7
2028.0 0.541 304.7
2029.0 0.555 303.8
2030.0 0.568 302.9
2031.0 0.581 302.0
2032.0 0.592 301.2
2033.0 0.603 300.4
2034.0 0.613 299.6
2035.0 0.621 298.8
2036.0 0.628 298.1
2037.0 0.635 297.4
2038.0 0.640 296.7
2039.0 0.643 296.0
2040.0 0.645 295.3
2041.0 0.646 294.6
2042.0 0.645 293.9
2043.0 0.642 293.2
2044.0 0.637 292.6
2045.0 0.630 291.8
2046.0 0.621 291.1
2047.0 0.609 290.4
2048.0 0.595 289.6
2049.0 0.578 288.7
2050.0 0.557 287.9
2051.0 0.533 286.9
2052.0 0.504 285.8
2053.0 0.471 284.6
2054.0 0.431 283.2
2055.0 0.385 281.5
2056.0 0.331 279.3
2057.0 0.268 276.1
2058.0 0.194 270.6
2059.0 0.111 257.5
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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