Double Star Calculator - Orbit

Orbital Elements for BU1076
WDS: BU1076 WDS ID/Discoverer
P: 138.900 Orbital period (years)
a: 0.75 Semi-major axis (arcseconds)
i: 125.7 Inclination (degrees)
Ω: 219.3 Longitude of ascending node (degrees)
T: 1921.620 Epoch of periastron passage (year)
e: 0.714 Eccentricity
ω: 323.4 Longitude of periastron (degrees)
Start-Year: 1955.55 Year
End-Year: 2094.45 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1076
Position: 105542.40+004413.0 Epoch-2000 right ascension and declination
WDS-ID: 10557+0044 WDS designation
Discoverer Code: BU1076 Discover designation and components
ADS number: 7982 Aitken Double Star catalog
HD number: 94672 HD catalog number
Hipparcos number: 53423 Hipparcos catalog number
V1: 5.98 Magnitude of the primary
V2: 9.02 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2015c Reference

Double Star Orbit for BU1076



WDS 6th Orbit including measures of BU1076

-- 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 BU1076
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.025    46.01
--------------------------
1955.55    0.724    86.82
1956.55    0.741    85.71
1957.55    0.757    84.65
1958.55    0.774    83.63
1959.55    0.790    82.66
1960.55    0.806    81.72
1961.55    0.821    80.82
1962.55    0.836    79.96
1963.55    0.851    79.12
1964.55    0.865    78.31
1965.55    0.880    77.53
1966.55    0.893    76.77
1967.55    0.907    76.03
1968.55    0.920    75.32
1969.55    0.933    74.63
1970.55    0.945    73.95
1971.55    0.958    73.29
1972.55    0.969    72.65
1973.55    0.981    72.03
1974.55    0.992    71.41
1975.55    1.003    70.82
1976.55    1.013    70.23
1977.55    1.023    69.66
1978.55    1.033    69.09
1979.55    1.043    68.54
1980.55    1.052    68.00
1981.55    1.060    67.46
1982.55    1.069    66.94
1983.55    1.077    66.42
1984.55    1.084    65.91
1985.55    1.091    65.40
1986.55    1.098    64.91
1987.55    1.105    64.42
1988.55    1.111    63.93
1989.55    1.117    63.45
1990.55    1.122    62.98
1991.55    1.127    62.51
1992.55    1.132    62.04
1993.55    1.136    61.58
1994.55    1.140    61.12
1995.55    1.143    60.66
1996.55    1.146    60.20
1997.55    1.149    59.75
1998.55    1.151    59.30
1999.55    1.153    58.85
2000.55    1.155    58.41
2001.55    1.156    57.96
2002.55    1.156    57.51
2003.55    1.156    57.07
2004.55    1.156    56.62
2005.55    1.155    56.18
2006.55    1.154    55.73
2007.55    1.153    55.28
2008.55    1.151    54.83
2009.55    1.148    54.38
2010.55    1.145    53.93
2011.55    1.142    53.47
2012.55    1.138    53.01
2013.55    1.133    52.55
2014.55    1.128    52.09
2015.55    1.123    51.62
2016.55    1.117    51.14
2017.55    1.110    50.66
2018.55    1.103    50.17
2019.55    1.095    49.68
2020.55    1.087    49.18
2021.55    1.078    48.67
2022.55    1.069    48.16
2023.55    1.059    47.63
2024.55    1.048    47.09
2025.55    1.037    46.54
2026.55    1.025    45.98
2027.55    1.012    45.41
2028.55    0.999    44.82
2029.55    0.984    44.21
2030.55    0.969    43.59
2031.55    0.954    42.95
2032.55    0.937    42.28
2033.55    0.920    41.59
2034.55    0.902    40.87
2035.55    0.883    40.12
2036.55    0.862    39.34
2037.55    0.841    38.52
2038.55    0.819    37.65
2039.55    0.796    36.74
2040.55    0.772    35.77
2041.55    0.746    34.74
2042.55    0.719    33.63
2043.55    0.691    32.43
2044.55    0.662    31.13
2045.55    0.631    29.70
2046.55    0.598    28.12
2047.55    0.564    26.36
2048.55    0.528    24.36
2049.55    0.490    22.05
2050.55    0.450    19.35
2051.55    0.408    16.11
2052.55    0.365    12.11
2053.55    0.319     7.00
2054.55    0.273     0.17
2055.55    0.227   350.55
2056.55    0.186   336.35
2057.55    0.155   315.29
2058.55    0.146   288.11
2059.55    0.160   262.02
2060.55    0.189   242.23
2061.55    0.217   227.72
2062.55    0.239   216.30
2063.55    0.255   206.56
2064.55    0.265   197.75
2065.55    0.272   189.50
2066.55    0.278   181.64
2067.55    0.285   174.12
2068.55    0.292   166.94
2069.55    0.300   160.13
2070.55    0.310   153.71
2071.55    0.321   147.72
2072.55    0.334   142.15
2073.55    0.348   137.02
2074.55    0.363   132.29
2075.55    0.379   127.95
2076.55    0.396   123.98
2077.55    0.413   120.33
2078.55    0.431   116.99
2079.55    0.449   113.91
2080.55    0.468   111.08
2081.55    0.487   108.47
2082.55    0.506   106.05
2083.55    0.525   103.81
2084.55    0.544   101.72
2085.55    0.563    99.78
2086.55    0.582    97.96
2087.55    0.600    96.25
2088.55    0.619    94.65
2089.55    0.637    93.14
2090.55    0.655    91.71
2091.55    0.673    90.36
2092.55    0.691    89.08
2093.55    0.708    87.87






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 16:31:59



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