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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:39:48
WDS:
B1605BA,BB
WDS ID/Discoverer
P:
103.330
Orbital period (years)
a:
0.199
Semi-major axis (arcseconds)
i:
136.4
Inclination (degrees)
Ω:
277.2
Longitude of ascending node (degrees)
T:
1990.410
Epoch of periastron passage (year)
e:
0.013
Eccentricity
ω:
50.6
Longitude of periastron (degrees)
Start-Year:
1974.0
Year
End-Year:
2076.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
082618.31-390336.8
Epoch-2000 right ascension and declination
WDS-ID:
08263-3904
WDS designation
Discoverer Code:
B1605BA,BB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
71488
HD catalog number
Hipparcos number:
41361
Hipparcos catalog number
V1:
7.9
Magnitude of the primary
V2:
8.1
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2018
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 0.199 102.7
-------------------------
1974.0 0.197 282.9
1975.0 0.197 280.3
1976.0 0.197 277.8
1977.0 0.197 275.2
1978.0 0.197 272.6
1979.0 0.196 270.0
1980.0 0.194 267.4
1981.0 0.193 264.7
1982.0 0.191 262.0
1983.0 0.189 259.2
1984.0 0.186 256.4
1985.0 0.184 253.5
1986.0 0.181 250.5
1987.0 0.178 247.3
1988.0 0.174 244.1
1989.0 0.171 240.8
1990.0 0.168 237.3
1991.0 0.164 233.6
1992.0 0.161 229.9
1993.0 0.158 225.9
1994.0 0.155 221.8
1995.0 0.152 217.6
1996.0 0.149 213.2
1997.0 0.147 208.6
1998.0 0.145 203.9
1999.0 0.144 199.2
2000.0 0.143 194.3
2001.0 0.143 189.4
2002.0 0.143 184.5
2003.0 0.143 179.6
2004.0 0.144 174.8
2005.0 0.146 170.0
2006.0 0.148 165.4
2007.0 0.150 160.9
2008.0 0.153 156.6
2009.0 0.156 152.4
2010.0 0.159 148.4
2011.0 0.162 144.5
2012.0 0.166 140.8
2013.0 0.169 137.2
2014.0 0.173 133.8
2015.0 0.176 130.5
2016.0 0.179 127.4
2017.0 0.183 124.3
2018.0 0.186 121.4
2019.0 0.188 118.5
2020.0 0.191 115.8
2021.0 0.193 113.0
2022.0 0.195 110.4
2023.0 0.197 107.8
2024.0 0.198 105.3
2025.0 0.199 102.7
2026.0 0.200 100.2
2027.0 0.201 97.7
2028.0 0.201 95.3
2029.0 0.200 92.8
2030.0 0.200 90.3
2031.0 0.199 87.8
2032.0 0.197 85.2
2033.0 0.196 82.6
2034.0 0.194 80.0
2035.0 0.192 77.3
2036.0 0.189 74.5
2037.0 0.186 71.7
2038.0 0.184 68.8
2039.0 0.181 65.8
2040.0 0.177 62.7
2041.0 0.174 59.4
2042.0 0.171 56.1
2043.0 0.168 52.6
2044.0 0.164 48.9
2045.0 0.161 45.2
2046.0 0.158 41.2
2047.0 0.155 37.2
2048.0 0.153 33.0
2049.0 0.151 28.6
2050.0 0.149 24.2
2051.0 0.147 19.6
2052.0 0.146 15.0
2053.0 0.146 10.3
2054.0 0.146 5.6
2055.0 0.146 0.9
2056.0 0.147 356.2
2057.0 0.148 351.6
2058.0 0.149 347.1
2059.0 0.151 342.7
2060.0 0.154 338.4
2061.0 0.156 334.2
2062.0 0.159 330.2
2063.0 0.162 326.3
2064.0 0.165 322.6
2065.0 0.168 319.0
2066.0 0.172 315.5
2067.0 0.175 312.2
2068.0 0.178 309.0
2069.0 0.181 305.9
2070.0 0.184 302.9
2071.0 0.186 300.0
2072.0 0.189 297.1
2073.0 0.191 294.4
2074.0 0.193 291.6
2075.0 0.194 289.0
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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