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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:16:07
WDS:
BU1007
WDS ID/Discoverer
P:
111.020
Orbital period (years)
a:
0.245
Semi-major axis (arcseconds)
i:
80.5
Inclination (degrees)
Ω:
53.2
Longitude of ascending node (degrees)
T:
1938.130
Epoch of periastron passage (year)
e:
0.661
Eccentricity
ω:
40.9
Longitude of periastron (degrees)
Start-Year:
1970.0
Year
End-Year:
2080.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
054117.72+163203.1
Epoch-2000 right ascension and declination
WDS-ID:
05413+1632
WDS designation
Discoverer Code:
BU1007
Discover designation and components
ADS number:
4265
Aitken Double Star catalog
HD number:
37711
HD catalog number
Hipparcos number:
26777
Hipparcos catalog number
V1:
5.04
Magnitude of the primary
V2:
6.56
Magnitude of the secondary
Equinox:
Equinox
Date:
2011
Date of last observation
Orbit grade:
2
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 0.098 263.3
-------------------------
1970.0 0.336 236.3
1971.0 0.338 236.5
1972.0 0.340 236.7
1973.0 0.341 236.9
1974.0 0.343 237.1
1975.0 0.344 237.3
1976.0 0.344 237.5
1977.0 0.344 237.7
1978.0 0.344 237.9
1979.0 0.344 238.1
1980.0 0.343 238.3
1981.0 0.343 238.5
1982.0 0.341 238.7
1983.0 0.340 238.9
1984.0 0.338 239.2
1985.0 0.337 239.4
1986.0 0.334 239.6
1987.0 0.332 239.8
1988.0 0.330 240.0
1989.0 0.327 240.2
1990.0 0.324 240.5
1991.0 0.320 240.7
1992.0 0.317 240.9
1993.0 0.313 241.2
1994.0 0.309 241.4
1995.0 0.305 241.7
1996.0 0.301 241.9
1997.0 0.296 242.2
1998.0 0.292 242.5
1999.0 0.287 242.8
2000.0 0.281 243.1
2001.0 0.276 243.4
2002.0 0.271 243.7
2003.0 0.265 244.1
2004.0 0.259 244.4
2005.0 0.253 244.8
2006.0 0.247 245.2
2007.0 0.240 245.6
2008.0 0.234 246.0
2009.0 0.227 246.4
2010.0 0.220 246.9
2011.0 0.213 247.4
2012.0 0.205 248.0
2013.0 0.198 248.6
2014.0 0.190 249.2
2015.0 0.182 249.9
2016.0 0.174 250.7
2017.0 0.166 251.5
2018.0 0.158 252.4
2019.0 0.150 253.5
2020.0 0.141 254.6
2021.0 0.133 255.9
2022.0 0.124 257.3
2023.0 0.115 259.0
2024.0 0.106 261.0
2025.0 0.098 263.3
2026.0 0.089 266.1
2027.0 0.080 269.5
2028.0 0.072 273.7
2029.0 0.064 279.0
2030.0 0.056 285.7
2031.0 0.049 294.5
2032.0 0.044 305.6
2033.0 0.041 319.2
2034.0 0.040 334.3
2035.0 0.041 349.1
2036.0 0.045 2.0
2037.0 0.051 12.4
2038.0 0.058 20.5
2039.0 0.065 26.9
2040.0 0.073 32.0
2041.0 0.080 36.2
2042.0 0.087 39.6
2043.0 0.092 42.6
2044.0 0.097 45.3
2045.0 0.099 47.9
2046.0 0.098 50.3
2047.0 0.093 53.0
2048.0 0.082 56.1
2049.0 0.066 60.5
2050.0 0.046 68.4
2051.0 0.024 90.8
2052.0 0.018 167.8
2053.0 0.038 206.0
2054.0 0.061 216.5
2055.0 0.084 221.2
2056.0 0.105 224.0
2057.0 0.125 225.8
2058.0 0.143 227.1
2059.0 0.160 228.2
2060.0 0.176 229.0
2061.0 0.191 229.7
2062.0 0.205 230.4
2063.0 0.218 230.9
2064.0 0.229 231.4
2065.0 0.240 231.8
2066.0 0.251 232.2
2067.0 0.260 232.6
2068.0 0.269 232.9
2069.0 0.277 233.3
2070.0 0.285 233.6
2071.0 0.292 233.9
2072.0 0.298 234.1
2073.0 0.304 234.4
2074.0 0.310 234.7
2075.0 0.315 234.9
2076.0 0.319 235.1
2077.0 0.323 235.4
2078.0 0.327 235.6
2079.0 0.330 235.8
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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