Double Star Calculator - Orbit

Orbital Elements for BU1032AB

WDS:	BU1032AB	WDS ID/Discoverer
P:	159.899	Orbital period (years)
a:	0.2629	Semi-major axis (arcseconds)
i:	172.1	Inclination (degrees)
Ω:	301.6	Longitude of ascending node (degrees)
T:	1999.207	Epoch of periastron passage (year)
e:	0.024	Eccentricity
ω:	187.4	Longitude of periastron (degrees)
Start-Year:	1945.0503115536521	Year
End-Year:	2104.949688446348	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU1032AB
Position:	053844.77-023600.2	Epoch-2000 right ascension and declination
WDS-ID:	05387-0236	WDS designation
Discoverer Code:	BU1032AB	Discover designation and components
ADS number:	4241	Aitken Double Star catalog
HD number:	37468	HD catalog number
Hipparcos number:	26549	Hipparcos catalog number
V1:	4.07	Magnitude of the primary
V2:	5.27	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2011	Date of last observation
Orbit grade:	2	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	NOI2016b	Reference

Double Star Orbit for BU1032AB

WDS 6th Orbit including measures of BU1032AB

-- 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 BU1032AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.258    50.47
--------------------------
1945.05    0.264   238.65
1946.05    0.264   236.44
1947.05    0.264   234.23
1948.05    0.263   232.01
1949.05    0.263   229.79
1950.05    0.263   227.56
1951.05    0.263   225.33
1952.05    0.262   223.09
1953.05    0.262   220.85
1954.05    0.262   218.61
1955.05    0.262   216.36
1956.05    0.261   214.11
1957.05    0.261   211.85
1958.05    0.261   209.58
1959.05    0.261   207.32
1960.05    0.260   205.05
1961.05    0.260   202.77
1962.05    0.260   200.49
1963.05    0.260   198.21
1964.05    0.260   195.93
1965.05    0.259   193.64
1966.05    0.259   191.35
1967.05    0.259   189.05
1968.05    0.259   186.75
1969.05    0.259   184.45
1970.05    0.259   182.15
1971.05    0.258   179.84
1972.05    0.258   177.53
1973.05    0.258   175.22
1974.05    0.258   172.91
1975.05    0.258   170.59
1976.05    0.258   168.27
1977.05    0.258   165.96
1978.05    0.258   163.63
1979.05    0.258   161.31
1980.05    0.257   158.99
1981.05    0.257   156.66
1982.05    0.257   154.34
1983.05    0.257   152.01
1984.05    0.257   149.68
1985.05    0.257   147.35
1986.05    0.257   145.02
1987.05    0.257   142.69
1988.05    0.257   140.35
1989.05    0.257   138.02
1990.05    0.257   135.68
1991.05    0.257   133.35
1992.05    0.257   131.01
1993.05    0.257   128.67
1994.05    0.257   126.34
1995.05    0.257   124.00
1996.05    0.257   121.66
1997.05    0.257   119.32
1998.05    0.257   116.98
1999.05    0.257   114.64
2000.05    0.257   112.30
2001.05    0.257   109.95
2002.05    0.256   107.61
2003.05    0.256   105.27
2004.05    0.256   102.93
2005.05    0.256   100.58
2006.05    0.256    98.24
2007.05    0.256    95.90
2008.05    0.256    93.55
2009.05    0.256    91.21
2010.05    0.256    88.87
2011.05    0.256    86.53
2012.05    0.257    84.18
2013.05    0.257    81.84
2014.05    0.257    79.50
2015.05    0.257    77.16
2016.05    0.257    74.82
2017.05    0.257    72.48
2018.05    0.257    70.15
2019.05    0.257    67.81
2020.05    0.257    65.48
2021.05    0.257    63.14
2022.05    0.257    60.81
2023.05    0.257    58.48
2024.05    0.257    56.16
2025.05    0.258    53.83
2026.05    0.258    51.51
2027.05    0.258    49.19
2028.05    0.258    46.88
2029.05    0.258    44.57
2030.05    0.258    42.26
2031.05    0.259    39.95
2032.05    0.259    37.65
2033.05    0.259    35.35
2034.05    0.259    33.06
2035.05    0.260    30.77
2036.05    0.260    28.48
2037.05    0.260    26.20
2038.05    0.260    23.93
2039.05    0.261    21.65
2040.05    0.261    19.39
2041.05    0.261    17.13
2042.05    0.261    14.87
2043.05    0.262    12.62
2044.05    0.262    10.37
2045.05    0.262     8.13
2046.05    0.263     5.90
2047.05    0.263     3.66
2048.05    0.263     1.44
2049.05    0.264   359.22
2050.05    0.264   357.00
2051.05    0.264   354.79
2052.05    0.265   352.59
2053.05    0.265   350.39
2054.05    0.265   348.20
2055.05    0.265   346.01
2056.05    0.266   343.82
2057.05    0.266   341.64
2058.05    0.266   339.47
2059.05    0.267   337.30
2060.05    0.267   335.13
2061.05    0.267   332.97
2062.05    0.267   330.81
2063.05    0.268   328.65
2064.05    0.268   326.50
2065.05    0.268   324.35
2066.05    0.268   322.21
2067.05    0.268   320.07
2068.05    0.268   317.93
2069.05    0.269   315.79
2070.05    0.269   313.65
2071.05    0.269   311.52
2072.05    0.269   309.39
2073.05    0.269   307.26
2074.05    0.269   305.13
2075.05    0.269   303.00
2076.05    0.269   300.88
2077.05    0.269   298.75
2078.05    0.269   296.62
2079.05    0.269   294.50
2080.05    0.269   292.37
2081.05    0.269   290.24
2082.05    0.269   288.11
2083.05    0.269   285.98
2084.05    0.269   283.85
2085.05    0.269   281.72
2086.05    0.269   279.59
2087.05    0.268   277.45
2088.05    0.268   275.31
2089.05    0.268   273.17
2090.05    0.268   271.03
2091.05    0.268   268.88
2092.05    0.268   266.73
2093.05    0.267   264.58
2094.05    0.267   262.42
2095.05    0.267   260.26
2096.05    0.267   258.09
2097.05    0.266   255.93
2098.05    0.266   253.75
2099.05    0.266   251.58
2100.05    0.266   249.40
2101.05    0.265   247.21
2102.05    0.265   245.02
2103.05    0.265   242.83
2104.05    0.265   240.63

Disclaimer

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 15:39:32