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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:41:41
WDS:
RST3603
WDS ID/Discoverer
P:
98.920
Orbital period (years)
a:
0.268
Semi-major axis (arcseconds)
i:
154.5
Inclination (degrees)
Ω:
155.5
Longitude of ascending node (degrees)
T:
1964.700
Epoch of periastron passage (year)
e:
0.393
Eccentricity
ω:
14.1
Longitude of periastron (degrees)
Start-Year:
1976.0
Year
End-Year:
2074.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
084307.66-122519.0
Epoch-2000 right ascension and declination
WDS-ID:
08431-1225
WDS designation
Discoverer Code:
RST3603
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
74333
HD catalog number
Hipparcos number:
42790
Hipparcos catalog number
V1:
7.80
Magnitude of the primary
V2:
9.61
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:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.350 304.9
-------------------------
1976.0 0.196 57.4
1977.0 0.203 51.9
1978.0 0.211 46.9
1979.0 0.218 42.1
1980.0 0.226 37.7
1981.0 0.234 33.6
1982.0 0.242 29.8
1983.0 0.250 26.2
1984.0 0.258 22.9
1985.0 0.265 19.7
1986.0 0.273 16.7
1987.0 0.280 13.8
1988.0 0.287 11.1
1989.0 0.294 8.6
1990.0 0.300 6.1
1991.0 0.306 3.7
1992.0 0.312 1.5
1993.0 0.318 359.3
1994.0 0.324 357.2
1995.0 0.329 355.2
1996.0 0.334 353.2
1997.0 0.338 351.2
1998.0 0.342 349.4
1999.0 0.346 347.5
2000.0 0.350 345.8
2001.0 0.353 344.0
2002.0 0.357 342.3
2003.0 0.359 340.6
2004.0 0.362 338.9
2005.0 0.364 337.3
2006.0 0.366 335.6
2007.0 0.368 334.0
2008.0 0.369 332.4
2009.0 0.370 330.8
2010.0 0.371 329.3
2011.0 0.371 327.7
2012.0 0.372 326.1
2013.0 0.372 324.5
2014.0 0.371 323.0
2015.0 0.371 321.4
2016.0 0.370 319.8
2017.0 0.369 318.2
2018.0 0.367 316.6
2019.0 0.366 315.0
2020.0 0.364 313.4
2021.0 0.362 311.7
2022.0 0.359 310.1
2023.0 0.356 308.4
2024.0 0.353 306.6
2025.0 0.350 304.9
2026.0 0.347 303.1
2027.0 0.343 301.3
2028.0 0.339 299.4
2029.0 0.335 297.5
2030.0 0.331 295.6
2031.0 0.326 293.5
2032.0 0.321 291.5
2033.0 0.316 289.3
2034.0 0.311 287.1
2035.0 0.305 284.8
2036.0 0.300 282.5
2037.0 0.294 280.0
2038.0 0.288 277.4
2039.0 0.282 274.8
2040.0 0.276 272.0
2041.0 0.269 269.0
2042.0 0.263 266.0
2043.0 0.256 262.7
2044.0 0.250 259.4
2045.0 0.243 255.8
2046.0 0.237 252.0
2047.0 0.230 248.0
2048.0 0.224 243.8
2049.0 0.217 239.3
2050.0 0.211 234.6
2051.0 0.206 229.6
2052.0 0.200 224.4
2053.0 0.195 218.8
2054.0 0.190 212.9
2055.0 0.185 206.7
2056.0 0.181 200.3
2057.0 0.177 193.5
2058.0 0.174 186.5
2059.0 0.171 179.2
2060.0 0.168 171.7
2061.0 0.166 163.9
2062.0 0.164 156.0
2063.0 0.163 147.8
2064.0 0.161 139.6
2065.0 0.161 131.2
2066.0 0.161 122.8
2067.0 0.161 114.4
2068.0 0.163 106.1
2069.0 0.165 98.1
2070.0 0.168 90.2
2071.0 0.173 82.8
2072.0 0.178 75.7
2073.0 0.183 69.0
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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