Double Star Calculator - Orbit

Orbital Elements for BU1052
WDS: BU1052 WDS ID/Discoverer
P: 105.692 Orbital period (years)
a: 0.421 Semi-major axis (arcseconds)
i: 111.8 Inclination (degrees)
Ω: 169.2 Longitude of ascending node (degrees)
T: 1960.774 Epoch of periastron passage (year)
e: 0.819 Eccentricity
ω: 142.6 Longitude of periastron (degrees)
Start-Year: 1972.154 Year
End-Year: 2077.846 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1052
Position: 054140.34-025347.3 Epoch-2000 right ascension and declination
WDS-ID: 05417-0254 WDS designation
Discoverer Code: BU1052 Discover designation and components
ADS number: 4279 Aitken Double Star catalog
HD number: 37904 HD catalog number
Hipparcos number: 26820 Hipparcos catalog number
V1: 6.68 Magnitude of the primary
V2: 8.22 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2018e Reference

Double Star Orbit for BU1052



WDS 6th Orbit including measures of BU1052

-- 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 BU1052
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.653   181.10
--------------------------
1972.15    0.174   223.50
1973.15    0.191   219.64
1974.15    0.209   216.41
1975.15    0.226   213.68
1976.15    0.243   211.33
1977.15    0.259   209.28
1978.15    0.276   207.48
1979.15    0.292   205.88
1980.15    0.307   204.44
1981.15    0.323   203.15
1982.15    0.338   201.97
1983.15    0.352   200.88
1984.15    0.367   199.89
1985.15    0.381   198.97
1986.15    0.394   198.11
1987.15    0.407   197.31
1988.15    0.420   196.56
1989.15    0.433   195.85
1990.15    0.445   195.18
1991.15    0.457   194.55
1992.15    0.468   193.95
1993.15    0.479   193.38
1994.15    0.490   192.83
1995.15    0.501   192.31
1996.15    0.511   191.80
1997.15    0.521   191.32
1998.15    0.530   190.85
1999.15    0.539   190.40
2000.15    0.548   189.97
2001.15    0.556   189.54
2002.15    0.564   189.13
2003.15    0.572   188.74
2004.15    0.579   188.35
2005.15    0.586   187.97
2006.15    0.593   187.60
2007.15    0.599   187.24
2008.15    0.605   186.88
2009.15    0.611   186.53
2010.15    0.617   186.19
2011.15    0.622   185.86
2012.15    0.626   185.53
2013.15    0.631   185.20
2014.15    0.634   184.88
2015.15    0.638   184.56
2016.15    0.641   184.25
2017.15    0.644   183.94
2018.15    0.647   183.63
2019.15    0.649   183.32
2020.15    0.651   183.02
2021.15    0.652   182.71
2022.15    0.653   182.41
2023.15    0.654   182.11
2024.15    0.654   181.81
2025.15    0.654   181.51
2026.15    0.653   181.21
2027.15    0.652   180.91
2028.15    0.651   180.60
2029.15    0.649   180.30
2030.15    0.647   179.99
2031.15    0.644   179.68
2032.15    0.641   179.37
2033.15    0.638   179.06
2034.15    0.633   178.74
2035.15    0.629   178.42
2036.15    0.624   178.09
2037.15    0.618   177.76
2038.15    0.612   177.42
2039.15    0.605   177.07
2040.15    0.598   176.71
2041.15    0.590   176.35
2042.15    0.581   175.97
2043.15    0.572   175.58
2044.15    0.562   175.18
2045.15    0.551   174.77
2046.15    0.540   174.34
2047.15    0.527   173.89
2048.15    0.514   173.41
2049.15    0.500   172.91
2050.15    0.485   172.38
2051.15    0.469   171.82
2052.15    0.452   171.21
2053.15    0.434   170.56
2054.15    0.414   169.84
2055.15    0.393   169.05
2056.15    0.370   168.16
2057.15    0.345   167.16
2058.15    0.318   165.99
2059.15    0.289   164.59
2060.15    0.258   162.87
2061.15    0.222   160.63
2062.15    0.183   157.48
2063.15    0.139   152.47
2064.15    0.090   142.33
2065.15    0.042   107.16
2066.15    0.050    17.79
2067.15    0.084   348.87
2068.15    0.094   333.26
2069.15    0.093   318.65
2070.15    0.090   303.11
2071.15    0.090   286.98
2072.15    0.094   271.63
2073.15    0.103   258.32
2074.15    0.115   247.48
2075.15    0.130   238.88
2076.15    0.146   232.08
2077.15    0.162   226.64






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This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:40:07



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