Double Star Calculator - Orbit

Orbital Elements for BU1111BC
WDS: BU1111BC WDS ID/Discoverer
P: 40.000 Orbital period (years)
a: 0.24 Semi-major axis (arcseconds)
i: 42.0 Inclination (degrees)
Ω: 46.0 Longitude of ascending node (degrees)
T: 1998.000 Epoch of periastron passage (year)
e: 0.25 Eccentricity
ω: 141.0 Longitude of periastron (degrees)
Start-Year: 2005.0 Year
End-Year: 2045.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1111BC
Position: 142322.59+082641.7 Epoch-2000 right ascension and declination
WDS-ID: 14234+0827 WDS designation
Discoverer Code: BU1111BC Discover designation and components
ADS number: 9247 Aitken Double Star catalog
HD number: 126128 HD catalog number
Hipparcos number: 70327 Hipparcos catalog number
V1: 7.4 Magnitude of the primary
V2: 7.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 1 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Sod1999 Reference

Double Star Orbit for BU1111BC



WDS 6th Orbit including measures of BU1111BC

-- 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 BU1111BC
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.264    55.25
--------------------------
2005.00    0.192   270.06
2005.10    0.192   271.07
2005.20    0.192   272.08
2005.30    0.191   273.10
2005.40    0.191   274.12
2005.50    0.191   275.14
2005.60    0.191   276.16
2005.70    0.191   277.18
2005.80    0.191   278.21
2005.90    0.191   279.23
2006.00    0.191   280.26
2006.10    0.191   281.28
2006.20    0.190   282.31
2006.30    0.190   283.34
2006.40    0.190   284.37
2006.50    0.190   285.40
2006.60    0.190   286.43
2006.70    0.190   287.46
2006.80    0.190   288.48
2006.90    0.190   289.51
2007.00    0.190   290.54
2007.10    0.191   291.57
2007.20    0.191   292.60
2007.30    0.191   293.62
2007.40    0.191   294.65
2007.50    0.191   295.67
2007.60    0.191   296.69
2007.70    0.191   297.71
2007.80    0.192   298.73
2007.90    0.192   299.74
2008.00    0.192   300.75
2008.10    0.192   301.76
2008.20    0.193   302.77
2008.30    0.193   303.77
2008.40    0.193   304.77
2008.50    0.194   305.77
2008.60    0.194   306.77
2008.70    0.194   307.76
2008.80    0.195   308.74
2008.90    0.195   309.72
2009.00    0.196   310.70
2009.10    0.196   311.67
2009.20    0.197   312.64
2009.30    0.197   313.60
2009.40    0.198   314.56
2009.50    0.198   315.51
2009.60    0.199   316.46
2009.70    0.199   317.40
2009.80    0.200   318.34
2009.90    0.200   319.27
2010.00    0.201   320.19
2010.10    0.202   321.11
2010.20    0.202   322.03
2010.30    0.203   322.93
2010.40    0.204   323.83
2010.50    0.205   324.73
2010.60    0.205   325.62
2010.70    0.206   326.50
2010.80    0.207   327.37
2010.90    0.208   328.24
2011.00    0.208   329.11
2011.10    0.209   329.96
2011.20    0.210   330.81
2011.30    0.211   331.65
2011.40    0.212   332.49
2011.50    0.213   333.32
2011.60    0.213   334.14
2011.70    0.214   334.96
2011.80    0.215   335.77
2011.90    0.216   336.57
2012.00    0.217   337.36
2012.10    0.218   338.15
2012.20    0.219   338.94
2012.30    0.220   339.71
2012.40    0.221   340.48
2012.50    0.222   341.24
2012.60    0.223   342.00
2012.70    0.224   342.75
2012.80    0.224   343.49
2012.90    0.225   344.23
2013.00    0.226   344.96
2013.10    0.227   345.69
2013.20    0.228   346.40
2013.30    0.229   347.12
2013.40    0.230   347.82
2013.50    0.231   348.52
2013.60    0.232   349.22
2013.70    0.233   349.90
2013.80    0.234   350.59
2013.90    0.235   351.26
2014.00    0.236   351.93
2014.10    0.237   352.60
2014.20    0.238   353.26
2014.30    0.239   353.91
2014.40    0.240   354.56
2014.50    0.241   355.21
2014.60    0.242   355.84
2014.70    0.243   356.48
2014.80    0.244   357.10
2014.90    0.245   357.73
2015.00    0.246   358.34
2015.10    0.247   358.96
2015.20    0.248   359.57
2015.30    0.249     0.17
2015.40    0.250     0.77
2015.50    0.251     1.36
2015.60    0.252     1.95
2015.70    0.253     2.54
2015.80    0.254     3.12
2015.90    0.255     3.69
2016.00    0.256     4.27
2016.10    0.257     4.84
2016.20    0.258     5.40
2016.30    0.258     5.96
2016.40    0.259     6.52
2016.50    0.260     7.07
2016.60    0.261     7.62
2016.70    0.262     8.17
2016.80    0.263     8.71
2016.90    0.264     9.25
2017.00    0.264     9.78
2017.10    0.265    10.31
2017.20    0.266    10.84
2017.30    0.267    11.37
2017.40    0.268    11.89
2017.50    0.268    12.41
2017.60    0.269    12.92
2017.70    0.270    13.44
2017.80    0.271    13.95
2017.90    0.271    14.46
2018.00    0.272    14.96
2018.10    0.273    15.46
2018.20    0.273    15.96
2018.30    0.274    16.46
2018.40    0.275    16.96
2018.50    0.275    17.45
2018.60    0.276    17.94
2018.70    0.277    18.43
2018.80    0.277    18.91
2018.90    0.278    19.40
2019.00    0.278    19.88
2019.10    0.279    20.36
2019.20    0.280    20.84
2019.30    0.280    21.31
2019.40    0.281    21.79
2019.50    0.281    22.26
2019.60    0.282    22.73
2019.70    0.282    23.20
2019.80    0.282    23.67
2019.90    0.283    24.14
2020.00    0.283    24.61
2020.10    0.284    25.07
2020.20    0.284    25.53
2020.30    0.284    25.99
2020.40    0.285    26.46
2020.50    0.285    26.92
2020.60    0.285    27.37
2020.70    0.286    27.83
2020.80    0.286    28.29
2020.90    0.286    28.75
2021.00    0.286    29.20
2021.10    0.286    29.66
2021.20    0.287    30.11
2021.30    0.287    30.57
2021.40    0.287    31.02
2021.50    0.287    31.47
2021.60    0.287    31.92
2021.70    0.287    32.38
2021.80    0.287    32.83
2021.90    0.287    33.28
2022.00    0.287    33.73
2022.10    0.287    34.19
2022.20    0.287    34.64
2022.30    0.287    35.09
2022.40    0.287    35.54
2022.50    0.287    36.00
2022.60    0.287    36.45
2022.70    0.287    36.90
2022.80    0.287    37.36
2022.90    0.286    37.81
2023.00    0.286    38.27
2023.10    0.286    38.72
2023.20    0.286    39.18
2023.30    0.285    39.64
2023.40    0.285    40.09
2023.50    0.285    40.55
2023.60    0.284    41.01
2023.70    0.284    41.48
2023.80    0.284    41.94
2023.90    0.283    42.40
2024.00    0.283    42.87
2024.10    0.282    43.34
2024.20    0.282    43.81
2024.30    0.281    44.28
2024.40    0.281    44.75
2024.50    0.280    45.22
2024.60    0.280    45.70
2024.70    0.279    46.18
2024.80    0.278    46.66
2024.90    0.278    47.14
2025.00    0.277    47.62
2025.10    0.276    48.11
2025.20    0.276    48.60
2025.30    0.275    49.09
2025.40    0.274    49.59
2025.50    0.273    50.09
2025.60    0.272    50.59
2025.70    0.272    51.09
2025.80    0.271    51.60
2025.90    0.270    52.11
2026.00    0.269    52.62
2026.10    0.268    53.14
2026.20    0.267    53.66
2026.30    0.266    54.19
2026.40    0.265    54.72
2026.50    0.264    55.25
2026.60    0.263    55.79
2026.70    0.262    56.33
2026.80    0.261    56.88
2026.90    0.259    57.43
2027.00    0.258    57.99
2027.10    0.257    58.55
2027.20    0.256    59.12
2027.30    0.255    59.69
2027.40    0.253    60.27
2027.50    0.252    60.85
2027.60    0.251    61.44
2027.70    0.249    62.04
2027.80    0.248    62.64
2027.90    0.247    63.25
2028.00    0.245    63.87
2028.10    0.244    64.49
2028.20    0.242    65.12
2028.30    0.241    65.76
2028.40    0.239    66.41
2028.50    0.238    67.06
2028.60    0.236    67.73
2028.70    0.235    68.40
2028.80    0.233    69.08
2028.90    0.232    69.77
2029.00    0.230    70.47
2029.10    0.228    71.18
2029.20    0.227    71.90
2029.30    0.225    72.63
2029.40    0.223    73.37
2029.50    0.222    74.13
2029.60    0.220    74.89
2029.70    0.218    75.67
2029.80    0.217    76.46
2029.90    0.215    77.26
2030.00    0.213    78.07
2030.10    0.211    78.90
2030.20    0.209    79.75
2030.30    0.208    80.60
2030.40    0.206    81.48
2030.50    0.204    82.36
2030.60    0.202    83.27
2030.70    0.200    84.19
2030.80    0.199    85.13
2030.90    0.197    86.08
2031.00    0.195    87.05
2031.10    0.193    88.04
2031.20    0.191    89.05
2031.30    0.189    90.08
2031.40    0.188    91.13
2031.50    0.186    92.20
2031.60    0.184    93.29
2031.70    0.182    94.41
2031.80    0.180    95.54
2031.90    0.179    96.70
2032.00    0.177    97.88
2032.10    0.175    99.08
2032.20    0.173   100.31
2032.30    0.172   101.57
2032.40    0.170   102.84
2032.50    0.168   104.15
2032.60    0.167   105.47
2032.70    0.165   106.83
2032.80    0.164   108.21
2032.90    0.162   109.62
2033.00    0.161   111.05
2033.10    0.159   112.51
2033.20    0.158   113.99
2033.30    0.156   115.50
2033.40    0.155   117.04
2033.50    0.154   118.60
2033.60    0.153   120.19
2033.70    0.152   121.81
2033.80    0.150   123.44
2033.90    0.149   125.10
2034.00    0.148   126.78
2034.10    0.148   128.49
2034.20    0.147   130.21
2034.30    0.146   131.95
2034.40    0.145   133.71
2034.50    0.145   135.49
2034.60    0.144   137.28
2034.70    0.144   139.08
2034.80    0.143   140.89
2034.90    0.143   142.72
2035.00    0.143   144.55
2035.10    0.142   146.38
2035.20    0.142   148.22
2035.30    0.142   150.06
2035.40    0.142   151.90
2035.50    0.143   153.74
2035.60    0.143   155.57
2035.70    0.143   157.40
2035.80    0.143   159.21
2035.90    0.144   161.02
2036.00    0.144   162.82
2036.10    0.145   164.61
2036.20    0.145   166.38
2036.30    0.146   168.13
2036.40    0.147   169.87
2036.50    0.148   171.60
2036.60    0.148   173.30
2036.70    0.149   174.98
2036.80    0.150   176.65
2036.90    0.151   178.29
2037.00    0.152   179.91
2037.10    0.153   181.51
2037.20    0.154   183.09
2037.30    0.155   184.65
2037.40    0.156   186.19
2037.50    0.157   187.70
2037.60    0.159   189.20
2037.70    0.160   190.67
2037.80    0.161   192.12
2037.90    0.162   193.55
2038.00    0.163   194.96
2038.10    0.164   196.35
2038.20    0.166   197.72
2038.30    0.167   199.07
2038.40    0.168   200.40
2038.50    0.169   201.72
2038.60    0.170   203.01
2038.70    0.171   204.29
2038.80    0.173   205.55
2038.90    0.174   206.80
2039.00    0.175   208.03
2039.10    0.176   209.24
2039.20    0.177   210.44
2039.30    0.178   211.63
2039.40    0.179   212.80
2039.50    0.180   213.96
2039.60    0.181   215.11
2039.70    0.182   216.25
2039.80    0.182   217.37
2039.90    0.183   218.49
2040.00    0.184   219.59
2040.10    0.185   220.69
2040.20    0.186   221.77
2040.30    0.186   222.85
2040.40    0.187   223.92
2040.50    0.188   224.98
2040.60    0.188   226.04
2040.70    0.189   227.08
2040.80    0.190   228.12
2040.90    0.190   229.16
2041.00    0.191   230.19
2041.10    0.191   231.21
2041.20    0.192   232.23
2041.30    0.192   233.25
2041.40    0.192   234.26
2041.50    0.193   235.26
2041.60    0.193   236.27
2041.70    0.193   237.27
2041.80    0.193   238.27
2041.90    0.194   239.26
2042.00    0.194   240.26
2042.10    0.194   241.25
2042.20    0.194   242.24
2042.30    0.194   243.23
2042.40    0.194   244.21
2042.50    0.195   245.20
2042.60    0.195   246.18
2042.70    0.195   247.17
2042.80    0.195   248.15
2042.90    0.195   249.14
2043.00    0.195   250.12
2043.10    0.195   251.11
2043.20    0.194   252.10
2043.30    0.194   253.08
2043.40    0.194   254.07
2043.50    0.194   255.06
2043.60    0.194   256.05
2043.70    0.194   257.04
2043.80    0.194   258.03
2043.90    0.194   259.02
2044.00    0.194   260.02
2044.10    0.193   261.01
2044.20    0.193   262.01
2044.30    0.193   263.01
2044.40    0.193   264.01
2044.50    0.193   265.02
2044.60    0.193   266.02
2044.70    0.192   267.03
2044.80    0.192   268.03
2044.90    0.192   269.04






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 17:05:12



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