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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:26:07
WDS:
BU1192BA,BB
WDS ID/Discoverer
P:
103.900
Orbital period (years)
a:
0.168
Semi-major axis (arcseconds)
i:
127.0
Inclination (degrees)
Ω:
139.3
Longitude of ascending node (degrees)
T:
1979.700
Epoch of periastron passage (year)
e:
0.453
Eccentricity
ω:
36.8
Longitude of periastron (degrees)
Start-Year:
1974.0
Year
End-Year:
2076.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
062853.77+201421.3
Epoch-2000 right ascension and declination
WDS-ID:
06290+2013
WDS designation
Discoverer Code:
BU1192BA,BB
Discover designation and components
ADS number:
5103
Aitken Double Star catalog
HD number:
257937
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
8.6
Magnitude of the primary
V2:
8.9
Magnitude of the secondary
Equinox:
Equinox
Date:
2020
Date of last observation
Orbit grade:
3
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 0.225 302.3
-------------------------
1974.0 0.102 149.6
1975.0 0.101 144.5
1976.0 0.098 139.2
1977.0 0.094 133.5
1978.0 0.090 127.3
1979.0 0.085 120.4
1980.0 0.079 112.6
1981.0 0.073 103.5
1982.0 0.068 93.0
1983.0 0.064 80.9
1984.0 0.062 67.6
1985.0 0.062 54.0
1986.0 0.065 41.0
1987.0 0.070 29.6
1988.0 0.077 19.8
1989.0 0.084 11.6
1990.0 0.092 4.9
1991.0 0.101 359.2
1992.0 0.109 354.5
1993.0 0.118 350.4
1994.0 0.126 346.9
1995.0 0.134 343.7
1996.0 0.142 341.0
1997.0 0.149 338.5
1998.0 0.156 336.2
1999.0 0.163 334.2
2000.0 0.169 332.3
2001.0 0.175 330.5
2002.0 0.180 328.8
2003.0 0.186 327.2
2004.0 0.190 325.8
2005.0 0.195 324.3
2006.0 0.199 323.0
2007.0 0.203 321.7
2008.0 0.206 320.4
2009.0 0.210 319.2
2010.0 0.213 318.1
2011.0 0.215 316.9
2012.0 0.218 315.8
2013.0 0.220 314.7
2014.0 0.221 313.6
2015.0 0.223 312.5
2016.0 0.224 311.5
2017.0 0.225 310.5
2018.0 0.226 309.4
2019.0 0.226 308.4
2020.0 0.227 307.4
2021.0 0.227 306.4
2022.0 0.227 305.3
2023.0 0.226 304.3
2024.0 0.226 303.3
2025.0 0.225 302.3
2026.0 0.224 301.2
2027.0 0.223 300.2
2028.0 0.221 299.1
2029.0 0.219 298.0
2030.0 0.218 296.9
2031.0 0.216 295.8
2032.0 0.214 294.7
2033.0 0.211 293.5
2034.0 0.209 292.3
2035.0 0.206 291.1
2036.0 0.203 289.8
2037.0 0.200 288.6
2038.0 0.197 287.2
2039.0 0.194 285.9
2040.0 0.191 284.4
2041.0 0.187 283.0
2042.0 0.184 281.4
2043.0 0.180 279.9
2044.0 0.176 278.2
2045.0 0.172 276.5
2046.0 0.169 274.7
2047.0 0.165 272.8
2048.0 0.161 270.8
2049.0 0.156 268.7
2050.0 0.152 266.5
2051.0 0.148 264.2
2052.0 0.144 261.7
2053.0 0.140 259.1
2054.0 0.136 256.4
2055.0 0.132 253.5
2056.0 0.128 250.4
2057.0 0.125 247.1
2058.0 0.121 243.6
2059.0 0.118 239.9
2060.0 0.115 236.1
2061.0 0.112 232.0
2062.0 0.109 227.7
2063.0 0.107 223.2
2064.0 0.105 218.6
2065.0 0.104 213.7
2066.0 0.103 208.8
2067.0 0.102 203.8
2068.0 0.102 198.7
2069.0 0.101 193.7
2070.0 0.102 188.6
2071.0 0.102 183.5
2072.0 0.103 178.5
2073.0 0.103 173.5
2074.0 0.104 168.6
2075.0 0.104 163.8
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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