Double Star Calculator - Orbit

Orbital Elements for B2546AA,AB
WDS: B2546AA,AB WDS ID/Discoverer
P: 111.500 Orbital period (years)
a: 0.133 Semi-major axis (arcseconds)
i: 36.4 Inclination (degrees)
Ω: 49.8 Longitude of ascending node (degrees)
T: 2030.100 Epoch of periastron passage (year)
e: 0.383 Eccentricity
ω: 58.0 Longitude of periastron (degrees)
Start-Year: 1969.25 Year
End-Year: 2080.75 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for B2546AA,AB
Position: 184208.09+344446.7 Epoch-2000 right ascension and declination
WDS-ID: 18421+3445 WDS designation
Discoverer Code: B2546AA,AB Discover designation and components
ADS number: 11593 Aitken Double Star catalog
HD number: 173087 HD catalog number
Hipparcos number: 91707 Hipparcos catalog number
V1: 6.5 Magnitude of the primary
V2: 7.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1996 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: USN2002 Reference

Double Star Orbit for B2546AA,AB



WDS 6th Orbit including measures of B2546AA,AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of B2546AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.081    75.08
--------------------------
1969.25    0.163   273.62
1970.25    0.162   275.23
1971.25    0.162   276.85
1972.25    0.161   278.49
1973.25    0.160   280.14
1974.25    0.159   281.81
1975.25    0.158   283.50
1976.25    0.157   285.21
1977.25    0.156   286.94
1978.25    0.155   288.69
1979.25    0.154   290.47
1980.25    0.153   292.28
1981.25    0.152   294.12
1982.25    0.150   295.98
1983.25    0.149   297.88
1984.25    0.148   299.80
1985.25    0.146   301.76
1986.25    0.145   303.76
1987.25    0.144   305.79
1988.25    0.143   307.86
1989.25    0.141   309.97
1990.25    0.140   312.12
1991.25    0.139   314.32
1992.25    0.137   316.55
1993.25    0.136   318.83
1994.25    0.135   321.15
1995.25    0.133   323.52
1996.25    0.132   325.94
1997.25    0.131   328.41
1998.25    0.129   330.92
1999.25    0.128   333.48
2000.25    0.127   336.10
2001.25    0.126   338.76
2002.25    0.124   341.48
2003.25    0.123   344.25
2004.25    0.122   347.07
2005.25    0.121   349.95
2006.25    0.120   352.88
2007.25    0.119   355.88
2008.25    0.117   358.93
2009.25    0.116     2.04
2010.25    0.115     5.22
2011.25    0.114     8.47
2012.25    0.112    11.79
2013.25    0.111    15.20
2014.25    0.110    18.68
2015.25    0.108    22.27
2016.25    0.106    25.96
2017.25    0.105    29.77
2018.25    0.103    33.71
2019.25    0.101    37.81
2020.25    0.099    42.08
2021.25    0.096    46.56
2022.25    0.094    51.29
2023.25    0.091    56.29
2024.25    0.088    61.62
2025.25    0.085    67.33
2026.25    0.082    73.47
2027.25    0.079    80.10
2028.25    0.076    87.26
2029.25    0.073    94.98
2030.25    0.071   103.25
2031.25    0.069   111.98
2032.25    0.068   121.04
2033.25    0.068   130.23
2034.25    0.069   139.31
2035.25    0.071   148.06
2036.25    0.073   156.31
2037.25    0.076   163.96
2038.25    0.080   170.95
2039.25    0.084   177.31
2040.25    0.088   183.08
2041.25    0.092   188.30
2042.25    0.097   193.05
2043.25    0.101   197.37
2044.25    0.106   201.34
2045.25    0.110   204.99
2046.25    0.114   208.37
2047.25    0.118   211.52
2048.25    0.122   214.46
2049.25    0.126   217.23
2050.25    0.129   219.84
2051.25    0.133   222.32
2052.25    0.136   224.68
2053.25    0.139   226.93
2054.25    0.141   229.09
2055.25    0.144   231.18
2056.25    0.147   233.19
2057.25    0.149   235.13
2058.25    0.151   237.03
2059.25    0.153   238.87
2060.25    0.155   240.66
2061.25    0.156   242.42
2062.25    0.158   244.15
2063.25    0.159   245.84
2064.25    0.160   247.51
2065.25    0.161   249.16
2066.25    0.162   250.78
2067.25    0.163   252.39
2068.25    0.163   253.98
2069.25    0.164   255.57
2070.25    0.164   257.14
2071.25    0.165   258.71
2072.25    0.165   260.27
2073.25    0.165   261.83
2074.25    0.165   263.39
2075.25    0.165   264.95
2076.25    0.165   266.51
2077.25    0.164   268.08
2078.25    0.164   269.65
2079.25    0.164   271.23
2080.25    0.163   272.82






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Acknowledgements
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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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 17:54:01



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