Double Star Calculator - Orbit

Orbital Elements for KOH88
WDS: KOH88 WDS ID/Discoverer
P: 49.720 Orbital period (years)
a: 0.197 Semi-major axis (arcseconds)
i: 119.9 Inclination (degrees)
Ω: 276.1 Longitude of ascending node (degrees)
T: 1995.073 Epoch of periastron passage (year)
e: 0.5 Eccentricity
ω: 182.0 Longitude of periastron (degrees)
Start-Year: 2000.14 Year
End-Year: 2049.86 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for KOH88
Position: 101408.06-763632.9 Epoch-2000 right ascension and declination
WDS-ID: 10142-7636 WDS designation
Discoverer Code: KOH88 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.4 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 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: Tok2023a Reference

Double Star Orbit for KOH88



WDS 6th Orbit including measures of KOH88

-- 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 KOH88
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.266   265.29
--------------------------
2000.14    0.076   357.60
2000.24    0.077   355.52
2000.34    0.078   353.49
2000.44    0.079   351.53
2000.54    0.080   349.62
2000.64    0.082   347.78
2000.74    0.083   346.00
2000.84    0.085   344.27
2000.94    0.086   342.61
2001.04    0.088   341.00
2001.14    0.089   339.45
2001.24    0.091   337.96
2001.34    0.093   336.51
2001.44    0.094   335.12
2001.54    0.096   333.78
2001.64    0.098   332.48
2001.74    0.099   331.24
2001.84    0.101   330.03
2001.94    0.103   328.87
2002.04    0.105   327.75
2002.14    0.107   326.66
2002.24    0.109   325.62
2002.34    0.110   324.61
2002.44    0.112   323.63
2002.54    0.114   322.68
2002.64    0.116   321.77
2002.74    0.118   320.89
2002.84    0.120   320.03
2002.94    0.122   319.20
2003.04    0.124   318.40
2003.14    0.126   317.62
2003.24    0.128   316.86
2003.34    0.130   316.13
2003.44    0.132   315.42
2003.54    0.133   314.72
2003.64    0.135   314.05
2003.74    0.137   313.40
2003.84    0.139   312.76
2003.94    0.141   312.15
2004.04    0.143   311.55
2004.14    0.145   310.96
2004.24    0.147   310.39
2004.34    0.149   309.83
2004.44    0.151   309.29
2004.54    0.152   308.76
2004.64    0.154   308.25
2004.74    0.156   307.74
2004.84    0.158   307.25
2004.94    0.160   306.77
2005.04    0.162   306.30
2005.14    0.163   305.84
2005.24    0.165   305.39
2005.34    0.167   304.95
2005.44    0.169   304.52
2005.54    0.171   304.10
2005.64    0.172   303.69
2005.74    0.174   303.28
2005.84    0.176   302.89
2005.94    0.178   302.50
2006.04    0.179   302.12
2006.14    0.181   301.74
2006.24    0.183   301.38
2006.34    0.184   301.02
2006.44    0.186   300.66
2006.54    0.188   300.32
2006.64    0.189   299.97
2006.74    0.191   299.64
2006.84    0.193   299.31
2006.94    0.194   298.99
2007.04    0.196   298.67
2007.14    0.197   298.35
2007.24    0.199   298.04
2007.34    0.201   297.74
2007.44    0.202   297.44
2007.54    0.204   297.15
2007.64    0.205   296.86
2007.74    0.207   296.57
2007.84    0.208   296.29
2007.94    0.210   296.01
2008.04    0.211   295.74
2008.14    0.213   295.47
2008.24    0.214   295.20
2008.34    0.216   294.94
2008.44    0.217   294.68
2008.54    0.218   294.42
2008.64    0.220   294.17
2008.74    0.221   293.92
2008.84    0.223   293.68
2008.94    0.224   293.43
2009.04    0.225   293.19
2009.14    0.227   292.95
2009.24    0.228   292.72
2009.34    0.229   292.49
2009.44    0.231   292.26
2009.54    0.232   292.03
2009.64    0.233   291.81
2009.74    0.234   291.59
2009.84    0.236   291.37
2009.94    0.237   291.15
2010.04    0.238   290.93
2010.14    0.239   290.72
2010.24    0.240   290.51
2010.34    0.242   290.30
2010.44    0.243   290.09
2010.54    0.244   289.89
2010.64    0.245   289.69
2010.74    0.246   289.49
2010.84    0.247   289.29
2010.94    0.248   289.09
2011.04    0.250   288.89
2011.14    0.251   288.70
2011.24    0.252   288.51
2011.34    0.253   288.32
2011.44    0.254   288.13
2011.54    0.255   287.94
2011.64    0.256   287.75
2011.74    0.257   287.57
2011.84    0.258   287.39
2011.94    0.259   287.20
2012.04    0.260   287.02
2012.14    0.261   286.84
2012.24    0.262   286.67
2012.34    0.263   286.49
2012.44    0.263   286.31
2012.54    0.264   286.14
2012.64    0.265   285.97
2012.74    0.266   285.79
2012.84    0.267   285.62
2012.94    0.268   285.45
2013.04    0.269   285.29
2013.14    0.269   285.12
2013.24    0.270   284.95
2013.34    0.271   284.79
2013.44    0.272   284.62
2013.54    0.273   284.46
2013.64    0.273   284.29
2013.74    0.274   284.13
2013.84    0.275   283.97
2013.94    0.275   283.81
2014.04    0.276   283.65
2014.14    0.277   283.49
2014.24    0.278   283.33
2014.34    0.278   283.18
2014.44    0.279   283.02
2014.54    0.279   282.87
2014.64    0.280   282.71
2014.74    0.281   282.56
2014.84    0.281   282.40
2014.94    0.282   282.25
2015.04    0.282   282.10
2015.14    0.283   281.95
2015.24    0.284   281.79
2015.34    0.284   281.64
2015.44    0.285   281.49
2015.54    0.285   281.34
2015.64    0.286   281.20
2015.74    0.286   281.05
2015.84    0.287   280.90
2015.94    0.287   280.75
2016.04    0.288   280.60
2016.14    0.288   280.46
2016.24    0.288   280.31
2016.34    0.289   280.17
2016.44    0.289   280.02
2016.54    0.290   279.88
2016.64    0.290   279.73
2016.74    0.290   279.59
2016.84    0.291   279.44
2016.94    0.291   279.30
2017.04    0.291   279.16
2017.14    0.292   279.01
2017.24    0.292   278.87
2017.34    0.292   278.73
2017.44    0.292   278.59
2017.54    0.293   278.45
2017.64    0.293   278.31
2017.74    0.293   278.16
2017.84    0.293   278.02
2017.94    0.294   277.88
2018.04    0.294   277.74
2018.14    0.294   277.60
2018.24    0.294   277.46
2018.34    0.294   277.32
2018.44    0.295   277.18
2018.54    0.295   277.04
2018.64    0.295   276.90
2018.74    0.295   276.76
2018.84    0.295   276.62
2018.94    0.295   276.48
2019.04    0.295   276.34
2019.14    0.295   276.21
2019.24    0.295   276.07
2019.34    0.295   275.93
2019.44    0.295   275.79
2019.54    0.295   275.65
2019.64    0.295   275.51
2019.74    0.295   275.37
2019.84    0.295   275.23
2019.94    0.295   275.09
2020.04    0.295   274.95
2020.14    0.295   274.81
2020.24    0.295   274.68
2020.34    0.295   274.54
2020.44    0.295   274.40
2020.54    0.295   274.26
2020.64    0.295   274.12
2020.74    0.295   273.98
2020.84    0.295   273.84
2020.94    0.294   273.70
2021.04    0.294   273.56
2021.14    0.294   273.42
2021.24    0.294   273.28
2021.34    0.294   273.14
2021.44    0.293   273.00
2021.54    0.293   272.86
2021.64    0.293   272.71
2021.74    0.293   272.57
2021.84    0.292   272.43
2021.94    0.292   272.29
2022.04    0.292   272.15
2022.14    0.292   272.00
2022.24    0.291   271.86
2022.34    0.291   271.72
2022.44    0.291   271.57
2022.54    0.290   271.43
2022.64    0.290   271.29
2022.74    0.289   271.14
2022.84    0.289   271.00
2022.94    0.289   270.85
2023.04    0.288   270.71
2023.14    0.288   270.56
2023.24    0.287   270.41
2023.34    0.287   270.27
2023.44    0.287   270.12
2023.54    0.286   269.97
2023.64    0.286   269.82
2023.74    0.285   269.67
2023.84    0.285   269.52
2023.94    0.284   269.37
2024.04    0.284   269.22
2024.14    0.283   269.07
2024.24    0.282   268.92
2024.34    0.282   268.77
2024.44    0.281   268.61
2024.54    0.281   268.46
2024.64    0.280   268.31
2024.74    0.279   268.15
2024.84    0.279   268.00
2024.94    0.278   267.84
2025.04    0.277   267.68
2025.14    0.277   267.52
2025.24    0.276   267.37
2025.34    0.275   267.21
2025.44    0.275   267.05
2025.54    0.274   266.88
2025.64    0.273   266.72
2025.74    0.273   266.56
2025.84    0.272   266.40
2025.94    0.271   266.23
2026.04    0.270   266.07
2026.14    0.269   265.90
2026.24    0.269   265.73
2026.34    0.268   265.56
2026.44    0.267   265.39
2026.54    0.266   265.22
2026.64    0.265   265.05
2026.74    0.264   264.88
2026.84    0.264   264.70
2026.94    0.263   264.53
2027.04    0.262   264.35
2027.14    0.261   264.17
2027.24    0.260   264.00
2027.34    0.259   263.81
2027.44    0.258   263.63
2027.54    0.257   263.45
2027.64    0.256   263.27
2027.74    0.255   263.08
2027.84    0.254   262.89
2027.94    0.253   262.70
2028.04    0.252   262.51
2028.14    0.251   262.32
2028.24    0.250   262.13
2028.34    0.249   261.93
2028.44    0.248   261.74
2028.54    0.247   261.54
2028.64    0.246   261.34
2028.74    0.244   261.14
2028.84    0.243   260.93
2028.94    0.242   260.73
2029.04    0.241   260.52
2029.14    0.240   260.31
2029.24    0.239   260.10
2029.34    0.237   259.88
2029.44    0.236   259.67
2029.54    0.235   259.45
2029.64    0.234   259.23
2029.74    0.233   259.00
2029.84    0.231   258.78
2029.94    0.230   258.55
2030.04    0.229   258.32
2030.14    0.228   258.09
2030.24    0.226   257.85
2030.34    0.225   257.61
2030.44    0.224   257.37
2030.54    0.222   257.13
2030.64    0.221   256.88
2030.74    0.220   256.63
2030.84    0.218   256.38
2030.94    0.217   256.12
2031.04    0.215   255.86
2031.14    0.214   255.60
2031.24    0.213   255.33
2031.34    0.211   255.06
2031.44    0.210   254.79
2031.54    0.208   254.51
2031.64    0.207   254.23
2031.74    0.205   253.94
2031.84    0.204   253.65
2031.94    0.202   253.36
2032.04    0.201   253.06
2032.14    0.199   252.75
2032.24    0.198   252.45
2032.34    0.196   252.13
2032.44    0.195   251.82
2032.54    0.193   251.49
2032.64    0.191   251.16
2032.74    0.190   250.83
2032.84    0.188   250.49
2032.94    0.187   250.14
2033.04    0.185   249.79
2033.14    0.183   249.43
2033.24    0.182   249.07
2033.34    0.180   248.70
2033.44    0.178   248.32
2033.54    0.177   247.94
2033.64    0.175   247.54
2033.74    0.173   247.14
2033.84    0.171   246.73
2033.94    0.170   246.32
2034.04    0.168   245.89
2034.14    0.166   245.46
2034.24    0.165   245.01
2034.34    0.163   244.56
2034.44    0.161   244.10
2034.54    0.159   243.63
2034.64    0.157   243.14
2034.74    0.156   242.65
2034.84    0.154   242.14
2034.94    0.152   241.62
2035.04    0.150   241.09
2035.14    0.148   240.55
2035.24    0.147   239.99
2035.34    0.145   239.42
2035.44    0.143   238.83
2035.54    0.141   238.23
2035.64    0.139   237.61
2035.74    0.137   236.98
2035.84    0.136   236.33
2035.94    0.134   235.66
2036.04    0.132   234.97
2036.14    0.130   234.27
2036.24    0.128   233.54
2036.34    0.126   232.79
2036.44    0.125   232.02
2036.54    0.123   231.23
2036.64    0.121   230.41
2036.74    0.119   229.57
2036.84    0.117   228.70
2036.94    0.115   227.80
2037.04    0.114   226.88
2037.14    0.112   225.92
2037.24    0.110   224.93
2037.34    0.108   223.92
2037.44    0.106   222.86
2037.54    0.105   221.77
2037.64    0.103   220.65
2037.74    0.101   219.49
2037.84    0.100   218.28
2037.94    0.098   217.04
2038.04    0.096   215.75
2038.14    0.095   214.42
2038.24    0.093   213.05
2038.34    0.092   211.62
2038.44    0.090   210.15
2038.54    0.089   208.63
2038.64    0.087   207.06
2038.74    0.086   205.43
2038.84    0.084   203.76
2038.94    0.083   202.03
2039.04    0.082   200.24
2039.14    0.081   198.41
2039.24    0.080   196.52
2039.34    0.079   194.58
2039.44    0.078   192.58
2039.54    0.077   190.54
2039.64    0.076   188.45
2039.74    0.075   186.32
2039.84    0.074   184.15
2039.94    0.074   181.93
2040.04    0.073   179.69
2040.14    0.073   177.41
2040.24    0.072   175.11
2040.34    0.072   172.79
2040.44    0.072   170.46
2040.54    0.072   168.11
2040.64    0.072   165.77
2040.74    0.072   163.43
2040.84    0.072   161.10
2040.94    0.072   158.78
2041.04    0.073   156.48
2041.14    0.073   154.20
2041.24    0.074   151.96
2041.34    0.074   149.74
2041.44    0.075   147.56
2041.54    0.076   145.42
2041.64    0.076   143.32
2041.74    0.077   141.26
2041.84    0.078   139.24
2041.94    0.079   137.27
2042.04    0.080   135.34
2042.14    0.081   133.46
2042.24    0.082   131.62
2042.34    0.083   129.83
2042.44    0.084   128.07
2042.54    0.085   126.36
2042.64    0.086   124.69
2042.74    0.087   123.06
2042.84    0.088   121.47
2042.94    0.089   119.91
2043.04    0.090   118.39
2043.14    0.091   116.90
2043.24    0.092   115.44
2043.34    0.092   114.00
2043.44    0.093   112.59
2043.54    0.094   111.21
2043.64    0.095   109.85
2043.74    0.095   108.51
2043.84    0.096   107.19
2043.94    0.097   105.88
2044.04    0.097   104.59
2044.14    0.098   103.31
2044.24    0.098   102.04
2044.34    0.098   100.77
2044.44    0.098    99.52
2044.54    0.098    98.27
2044.64    0.099    97.02
2044.74    0.099    95.77
2044.84    0.098    94.51
2044.94    0.098    93.26
2045.04    0.098    92.00
2045.14    0.098    90.73
2045.24    0.097    89.45
2045.34    0.097    88.16
2045.44    0.096    86.85
2045.54    0.095    85.53
2045.64    0.095    84.19
2045.74    0.094    82.83
2045.84    0.093    81.45
2045.94    0.092    80.04
2046.04    0.091    78.60
2046.14    0.091    77.14
2046.24    0.090    75.64
2046.34    0.088    74.11
2046.44    0.087    72.54
2046.54    0.086    70.93
2046.64    0.085    69.29
2046.74    0.084    67.60
2046.84    0.083    65.86
2046.94    0.082    64.08
2047.04    0.081    62.25
2047.14    0.080    60.37
2047.24    0.079    58.44
2047.34    0.078    56.46
2047.44    0.077    54.43
2047.54    0.076    52.34
2047.64    0.075    50.20
2047.74    0.074    48.02
2047.84    0.073    45.78
2047.94    0.073    43.50
2048.04    0.072    41.17
2048.14    0.071    38.80
2048.24    0.071    36.40
2048.34    0.070    33.97
2048.44    0.070    31.51
2048.54    0.070    29.03
2048.64    0.070    26.54
2048.74    0.070    24.04
2048.84    0.070    21.54
2048.94    0.070    19.05
2049.04    0.070    16.58
2049.14    0.070    14.13
2049.24    0.071    11.70
2049.34    0.071     9.31
2049.44    0.072     6.96
2049.54    0.073     4.65
2049.64    0.074     2.39
2049.74    0.075     0.18
2049.84    0.076   358.02






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 16:25:33



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