Double Star Calculator - Orbit

Orbital Elements for KUI7
WDS: KUI7 WDS ID/Discoverer
P: 28.830 Orbital period (years)
a: 0.292 Semi-major axis (arcseconds)
i: 97.4 Inclination (degrees)
Ω: 161.1 Longitude of ascending node (degrees)
T: 1989.915 Epoch of periastron passage (year)
e: 0.748 Eccentricity
ω: 248.8 Longitude of periastron (degrees)
Start-Year: 2010.585 Year
End-Year: 2039.415 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for KUI7
Position: 013737.70-092413.6 Epoch-2000 right ascension and declination
WDS-ID: 01376-0924 WDS designation
Discoverer Code: KUI7 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 10009 HD catalog number
Hipparcos number: 7580 Hipparcos catalog number
V1: 6.8 Magnitude of the primary
V2: 7.2 Magnitude of the secondary
Equinox: Equinox
Date: 1989 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: Tok1993 Reference

Double Star Orbit for KUI7



WDS 6th Orbit including measures of KUI7

-- 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 KUI7
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.288   152.78
--------------------------
2010.59    0.060    89.96
2010.68    0.059    87.39
2010.78    0.058    84.71
2010.88    0.057    81.95
2010.98    0.056    79.10
2011.08    0.056    76.18
2011.18    0.055    73.20
2011.28    0.055    70.17
2011.38    0.054    67.11
2011.48    0.054    64.03
2011.58    0.054    60.96
2011.68    0.055    57.90
2011.78    0.055    54.87
2011.88    0.056    51.90
2011.98    0.056    48.98
2012.08    0.057    46.14
2012.18    0.058    43.38
2012.28    0.059    40.71
2012.38    0.060    38.14
2012.48    0.061    35.67
2012.58    0.063    33.30
2012.68    0.064    31.03
2012.78    0.066    28.87
2012.88    0.067    26.80
2012.98    0.069    24.83
2013.08    0.071    22.96
2013.18    0.072    21.18
2013.28    0.074    19.48
2013.38    0.076    17.87
2013.48    0.078    16.33
2013.58    0.080    14.87
2013.68    0.082    13.48
2013.78    0.084    12.15
2013.88    0.086    10.89
2013.98    0.088     9.68
2014.08    0.090     8.53
2014.18    0.092     7.43
2014.28    0.094     6.37
2014.38    0.096     5.36
2014.48    0.098     4.40
2014.58    0.100     3.47
2014.68    0.102     2.58
2014.78    0.104     1.72
2014.88    0.106     0.89
2014.98    0.108     0.10
2015.08    0.110   359.33
2015.18    0.112   358.59
2015.28    0.114   357.87
2015.38    0.115   357.18
2015.48    0.117   356.50
2015.58    0.119   355.85
2015.68    0.120   355.21
2015.78    0.122   354.59
2015.88    0.123   353.98
2015.98    0.125   353.39
2016.08    0.126   352.81
2016.18    0.127   352.24
2016.28    0.128   351.68
2016.38    0.129   351.13
2016.48    0.130   350.59
2016.58    0.131   350.06
2016.68    0.131   349.52
2016.78    0.131   348.99
2016.88    0.131   348.47
2016.98    0.131   347.94
2017.08    0.131   347.41
2017.18    0.130   346.87
2017.28    0.129   346.33
2017.38    0.128   345.78
2017.48    0.126   345.21
2017.58    0.123   344.62
2017.68    0.120   344.01
2017.78    0.117   343.36
2017.88    0.112   342.67
2017.98    0.107   341.92
2018.08    0.101   341.08
2018.18    0.094   340.12
2018.28    0.085   338.98
2018.38    0.075   337.57
2018.48    0.064   335.67
2018.58    0.051   332.87
2018.68    0.037   328.02
2018.78    0.022   316.89
2018.88    0.011   274.48
2018.98    0.016   200.57
2019.08    0.030   180.67
2019.18    0.044   173.80
2019.28    0.059   170.32
2019.38    0.072   168.18
2019.48    0.085   166.71
2019.58    0.097   165.61
2019.68    0.108   164.74
2019.78    0.119   164.04
2019.88    0.129   163.44
2019.98    0.138   162.93
2020.08    0.147   162.48
2020.18    0.155   162.08
2020.28    0.163   161.72
2020.38    0.170   161.39
2020.48    0.177   161.09
2020.58    0.183   160.80
2020.68    0.189   160.54
2020.78    0.195   160.30
2020.88    0.201   160.06
2020.98    0.206   159.84
2021.08    0.211   159.63
2021.18    0.216   159.43
2021.28    0.220   159.24
2021.38    0.224   159.06
2021.48    0.228   158.88
2021.58    0.232   158.71
2021.68    0.236   158.54
2021.78    0.239   158.38
2021.88    0.243   158.22
2021.98    0.246   158.07
2022.08    0.249   157.92
2022.18    0.252   157.78
2022.28    0.254   157.63
2022.38    0.257   157.49
2022.48    0.259   157.36
2022.58    0.262   157.22
2022.68    0.264   157.09
2022.78    0.266   156.96
2022.88    0.268   156.83
2022.98    0.270   156.71
2023.08    0.272   156.58
2023.18    0.273   156.46
2023.28    0.275   156.34
2023.38    0.276   156.22
2023.48    0.278   156.10
2023.58    0.279   155.99
2023.68    0.280   155.87
2023.78    0.282   155.75
2023.88    0.283   155.64
2023.98    0.284   155.53
2024.08    0.284   155.41
2024.18    0.285   155.30
2024.28    0.286   155.19
2024.38    0.287   155.08
2024.48    0.287   154.97
2024.58    0.288   154.86
2024.68    0.289   154.75
2024.78    0.289   154.64
2024.88    0.289   154.53
2024.98    0.290   154.42
2025.08    0.290   154.31
2025.18    0.290   154.21
2025.28    0.290   154.10
2025.38    0.290   153.99
2025.48    0.291   153.88
2025.58    0.291   153.77
2025.68    0.291   153.67
2025.78    0.290   153.56
2025.88    0.290   153.45
2025.98    0.290   153.34
2026.08    0.290   153.23
2026.18    0.290   153.13
2026.28    0.289   153.02
2026.38    0.289   152.91
2026.48    0.289   152.80
2026.58    0.288   152.69
2026.68    0.288   152.58
2026.78    0.287   152.47
2026.88    0.286   152.36
2026.98    0.286   152.25
2027.08    0.285   152.14
2027.18    0.285   152.02
2027.28    0.284   151.91
2027.38    0.283   151.80
2027.48    0.282   151.68
2027.58    0.281   151.57
2027.68    0.281   151.45
2027.78    0.280   151.34
2027.88    0.279   151.22
2027.98    0.278   151.10
2028.08    0.277   150.99
2028.18    0.276   150.87
2028.28    0.275   150.75
2028.38    0.274   150.63
2028.48    0.273   150.50
2028.58    0.271   150.38
2028.68    0.270   150.26
2028.78    0.269   150.13
2028.88    0.268   150.01
2028.98    0.267   149.88
2029.08    0.265   149.75
2029.18    0.264   149.62
2029.28    0.263   149.49
2029.38    0.261   149.36
2029.48    0.260   149.22
2029.58    0.259   149.09
2029.68    0.257   148.95
2029.78    0.256   148.81
2029.88    0.254   148.67
2029.98    0.253   148.53
2030.08    0.251   148.39
2030.18    0.250   148.24
2030.28    0.248   148.09
2030.38    0.246   147.95
2030.48    0.245   147.79
2030.58    0.243   147.64
2030.68    0.242   147.49
2030.78    0.240   147.33
2030.88    0.238   147.17
2030.98    0.236   147.01
2031.08    0.235   146.85
2031.18    0.233   146.68
2031.28    0.231   146.51
2031.38    0.229   146.34
2031.48    0.228   146.16
2031.58    0.226   145.99
2031.68    0.224   145.81
2031.78    0.222   145.62
2031.88    0.220   145.44
2031.98    0.218   145.25
2032.08    0.216   145.05
2032.18    0.214   144.86
2032.28    0.212   144.66
2032.38    0.210   144.45
2032.48    0.208   144.25
2032.58    0.206   144.03
2032.68    0.204   143.82
2032.78    0.202   143.60
2032.88    0.200   143.37
2032.98    0.198   143.14
2033.08    0.196   142.91
2033.18    0.194   142.67
2033.28    0.192   142.43
2033.38    0.190   142.18
2033.48    0.188   141.92
2033.58    0.185   141.66
2033.68    0.183   141.39
2033.78    0.181   141.12
2033.88    0.179   140.84
2033.98    0.177   140.55
2034.08    0.174   140.25
2034.18    0.172   139.95
2034.28    0.170   139.64
2034.38    0.168   139.32
2034.48    0.166   138.99
2034.58    0.163   138.66
2034.68    0.161   138.31
2034.78    0.159   137.95
2034.88    0.156   137.59
2034.98    0.154   137.21
2035.08    0.152   136.82
2035.18    0.150   136.42
2035.28    0.147   136.01
2035.38    0.145   135.58
2035.48    0.143   135.14
2035.58    0.140   134.68
2035.68    0.138   134.21
2035.78    0.136   133.73
2035.88    0.133   133.22
2035.98    0.131   132.70
2036.08    0.129   132.16
2036.18    0.126   131.60
2036.28    0.124   131.01
2036.38    0.121   130.41
2036.48    0.119   129.78
2036.58    0.117   129.13
2036.68    0.114   128.45
2036.78    0.112   127.74
2036.88    0.110   127.00
2036.98    0.107   126.23
2037.08    0.105   125.42
2037.18    0.103   124.58
2037.28    0.101   123.70
2037.38    0.098   122.78
2037.48    0.096   121.82
2037.58    0.094   120.81
2037.68    0.092   119.75
2037.78    0.089   118.64
2037.88    0.087   117.47
2037.98    0.085   116.24
2038.08    0.083   114.96
2038.18    0.081   113.60
2038.28    0.079   112.18
2038.38    0.077   110.68
2038.48    0.075   109.10
2038.58    0.073   107.44
2038.68    0.071   105.69
2038.78    0.069   103.85
2038.88    0.068   101.91
2038.98    0.066    99.88
2039.08    0.065    97.74
2039.18    0.063    95.50
2039.28    0.062    93.16
2039.38    0.060    90.72



 

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 14:52:21


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