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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:51:16
WDS:
CHR9AA,AB
WDS ID/Discoverer
P:
111.018
Orbital period (years)
a:
0.648
Semi-major axis (arcseconds)
i:
93.3
Inclination (degrees)
Ω:
58.9
Longitude of ascending node (degrees)
T:
2000.330
Epoch of periastron passage (year)
e:
0.77
Eccentricity
ω:
274.9
Longitude of periastron (degrees)
Start-Year:
1970.0
Year
End-Year:
2080.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
032635.36+284255.2
Epoch-2000 right ascension and declination
WDS-ID:
03266+2843
WDS designation
Discoverer Code:
CHR9AA,AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
21242
HD catalog number
Hipparcos number:
16042
Hipparcos catalog number
V1:
6.69
Magnitude of the primary
V2:
9.84
Magnitude of the secondary
Equinox:
Equinox
Date:
2009
Date of last observation
Orbit grade:
5
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 0.296 49.5
-------------------------
1970.0 0.392 246.5
1971.0 0.400 246.2
1972.0 0.408 245.9
1973.0 0.415 245.6
1974.0 0.422 245.3
1975.0 0.429 245.0
1976.0 0.435 244.7
1977.0 0.440 244.5
1978.0 0.445 244.2
1979.0 0.450 244.0
1980.0 0.453 243.7
1981.0 0.456 243.5
1982.0 0.458 243.2
1983.0 0.459 243.0
1984.0 0.459 242.8
1985.0 0.458 242.5
1986.0 0.456 242.3
1987.0 0.452 242.0
1988.0 0.447 241.8
1989.0 0.440 241.5
1990.0 0.430 241.3
1991.0 0.418 241.0
1992.0 0.404 240.7
1993.0 0.385 240.4
1994.0 0.362 240.0
1995.0 0.334 239.6
1996.0 0.298 239.1
1997.0 0.252 238.5
1998.0 0.193 237.4
1999.0 0.116 235.2
2000.0 0.022 216.4
2001.0 0.079 64.5
2002.0 0.162 60.7
2003.0 0.223 59.4
2004.0 0.268 58.5
2005.0 0.300 57.9
2006.0 0.324 57.4
2007.0 0.341 56.9
2008.0 0.354 56.5
2009.0 0.363 56.1
2010.0 0.369 55.8
2011.0 0.372 55.4
2012.0 0.374 55.0
2013.0 0.374 54.7
2014.0 0.372 54.3
2015.0 0.369 54.0
2016.0 0.365 53.6
2017.0 0.360 53.2
2018.0 0.354 52.8
2019.0 0.347 52.4
2020.0 0.340 52.0
2021.0 0.332 51.5
2022.0 0.324 51.1
2023.0 0.315 50.6
2024.0 0.306 50.1
2025.0 0.296 49.5
2026.0 0.286 48.9
2027.0 0.276 48.3
2028.0 0.265 47.6
2029.0 0.254 46.9
2030.0 0.243 46.1
2031.0 0.232 45.2
2032.0 0.221 44.2
2033.0 0.209 43.1
2034.0 0.198 41.9
2035.0 0.186 40.6
2036.0 0.175 39.0
2037.0 0.163 37.3
2038.0 0.151 35.2
2039.0 0.140 32.9
2040.0 0.129 30.1
2041.0 0.117 26.8
2042.0 0.107 22.8
2043.0 0.097 17.9
2044.0 0.087 12.0
2045.0 0.079 4.8
2046.0 0.073 356.1
2047.0 0.068 345.9
2048.0 0.065 334.5
2049.0 0.066 322.8
2050.0 0.069 311.6
2051.0 0.074 301.7
2052.0 0.081 293.3
2053.0 0.089 286.4
2054.0 0.099 280.7
2055.0 0.109 276.0
2056.0 0.120 272.2
2057.0 0.131 269.0
2058.0 0.142 266.3
2059.0 0.154 264.0
2060.0 0.166 262.1
2061.0 0.177 260.4
2062.0 0.189 258.9
2063.0 0.201 257.6
2064.0 0.213 256.4
2065.0 0.224 255.4
2066.0 0.236 254.4
2067.0 0.248 253.6
2068.0 0.259 252.8
2069.0 0.271 252.1
2070.0 0.282 251.4
2071.0 0.293 250.8
2072.0 0.304 250.2
2073.0 0.314 249.7
2074.0 0.325 249.2
2075.0 0.335 248.8
2076.0 0.345 248.3
2077.0 0.355 247.9
2078.0 0.365 247.5
2079.0 0.374 247.2
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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