Double Star Calculator - Orbit

Orbital Elements for WOR15
WDS: WOR15 WDS ID/Discoverer
P: 40.900 Orbital period (years)
a: 0.314 Semi-major axis (arcseconds)
i: 144.0 Inclination (degrees)
Ω: 136.0 Longitude of ascending node (degrees)
T: 2037.100 Epoch of periastron passage (year)
e: 0.811 Eccentricity
ω: 319.0 Longitude of periastron (degrees)
Start-Year: 2004.55 Year
End-Year: 2045.45 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for WOR15
Position: 042642.75+124111.8 Epoch-2000 right ascension and declination
WDS-ID: 04268+1240 WDS designation
Discoverer Code: WOR15 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 286798 HD catalog number
Hipparcos number: 20745 Hipparcos catalog number
V1: 11.19 Magnitude of the primary
V2: 11.49 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Hor2021b Reference

Double Star Orbit for WOR15



WDS 6th Orbit including measures of WOR15

-- 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 WOR15
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.462   335.45
--------------------------
2004.55    0.359    14.99
2004.65    0.362    14.67
2004.75    0.365    14.36
2004.85    0.367    14.05
2004.95    0.370    13.75
2005.05    0.372    13.45
2005.15    0.374    13.15
2005.25    0.377    12.86
2005.35    0.379    12.58
2005.45    0.382    12.29
2005.55    0.384    12.01
2005.65    0.386    11.73
2005.75    0.389    11.46
2005.85    0.391    11.19
2005.95    0.393    10.92
2006.05    0.395    10.66
2006.15    0.397    10.40
2006.25    0.400    10.14
2006.35    0.402     9.88
2006.45    0.404     9.63
2006.55    0.406     9.38
2006.65    0.408     9.13
2006.75    0.410     8.89
2006.85    0.412     8.64
2006.95    0.414     8.40
2007.05    0.416     8.16
2007.15    0.418     7.93
2007.25    0.420     7.70
2007.35    0.422     7.46
2007.45    0.424     7.24
2007.55    0.426     7.01
2007.65    0.428     6.78
2007.75    0.430     6.56
2007.85    0.432     6.34
2007.95    0.434     6.12
2008.05    0.436     5.90
2008.15    0.437     5.69
2008.25    0.439     5.47
2008.35    0.441     5.26
2008.45    0.443     5.05
2008.55    0.444     4.84
2008.65    0.446     4.63
2008.75    0.448     4.43
2008.85    0.449     4.22
2008.95    0.451     4.02
2009.05    0.453     3.82
2009.15    0.454     3.62
2009.25    0.456     3.42
2009.35    0.458     3.23
2009.45    0.459     3.03
2009.55    0.461     2.84
2009.65    0.462     2.64
2009.75    0.464     2.45
2009.85    0.465     2.26
2009.95    0.467     2.07
2010.05    0.468     1.88
2010.15    0.469     1.70
2010.25    0.471     1.51
2010.35    0.472     1.33
2010.45    0.474     1.14
2010.55    0.475     0.96
2010.65    0.476     0.78
2010.75    0.478     0.60
2010.85    0.479     0.42
2010.95    0.480     0.24
2011.05    0.482     0.06
2011.15    0.483   359.89
2011.25    0.484   359.71
2011.35    0.485   359.53
2011.45    0.486   359.36
2011.55    0.488   359.19
2011.65    0.489   359.01
2011.75    0.490   358.84
2011.85    0.491   358.67
2011.95    0.492   358.50
2012.05    0.493   358.33
2012.15    0.494   358.16
2012.25    0.495   358.00
2012.35    0.496   357.83
2012.45    0.497   357.66
2012.55    0.498   357.50
2012.65    0.499   357.33
2012.75    0.500   357.17
2012.85    0.501   357.00
2012.95    0.502   356.84
2013.05    0.503   356.68
2013.15    0.504   356.52
2013.25    0.505   356.36
2013.35    0.506   356.19
2013.45    0.507   356.03
2013.55    0.507   355.87
2013.65    0.508   355.72
2013.75    0.509   355.56
2013.85    0.510   355.40
2013.95    0.511   355.24
2014.05    0.511   355.08
2014.15    0.512   354.93
2014.25    0.513   354.77
2014.35    0.513   354.61
2014.45    0.514   354.46
2014.55    0.515   354.30
2014.65    0.515   354.15
2014.75    0.516   353.99
2014.85    0.517   353.84
2014.95    0.517   353.69
2015.05    0.518   353.53
2015.15    0.518   353.38
2015.25    0.519   353.23
2015.35    0.519   353.07
2015.45    0.520   352.92
2015.55    0.520   352.77
2015.65    0.521   352.62
2015.75    0.521   352.47
2015.85    0.522   352.32
2015.95    0.522   352.17
2016.05    0.523   352.02
2016.15    0.523   351.87
2016.25    0.523   351.72
2016.35    0.524   351.57
2016.45    0.524   351.42
2016.55    0.524   351.27
2016.65    0.525   351.12
2016.75    0.525   350.97
2016.85    0.525   350.82
2016.95    0.525   350.67
2017.05    0.526   350.52
2017.15    0.526   350.37
2017.25    0.526   350.22
2017.35    0.526   350.08
2017.45    0.526   349.93
2017.55    0.527   349.78
2017.65    0.527   349.63
2017.75    0.527   349.48
2017.85    0.527   349.34
2017.95    0.527   349.19
2018.05    0.527   349.04
2018.15    0.527   348.89
2018.25    0.527   348.74
2018.35    0.527   348.60
2018.45    0.527   348.45
2018.55    0.527   348.30
2018.65    0.527   348.15
2018.75    0.527   348.00
2018.85    0.527   347.86
2018.95    0.527   347.71
2019.05    0.527   347.56
2019.15    0.526   347.41
2019.25    0.526   347.26
2019.35    0.526   347.12
2019.45    0.526   346.97
2019.55    0.526   346.82
2019.65    0.525   346.67
2019.75    0.525   346.52
2019.85    0.525   346.37
2019.95    0.525   346.22
2020.05    0.524   346.07
2020.15    0.524   345.92
2020.25    0.524   345.77
2020.35    0.523   345.62
2020.45    0.523   345.47
2020.55    0.523   345.32
2020.65    0.522   345.17
2020.75    0.522   345.02
2020.85    0.521   344.87
2020.95    0.521   344.72
2021.05    0.520   344.57
2021.15    0.520   344.42
2021.25    0.519   344.26
2021.35    0.519   344.11
2021.45    0.518   343.96
2021.55    0.517   343.81
2021.65    0.517   343.65
2021.75    0.516   343.50
2021.85    0.516   343.34
2021.95    0.515   343.19
2022.05    0.514   343.03
2022.15    0.514   342.88
2022.25    0.513   342.72
2022.35    0.512   342.57
2022.45    0.511   342.41
2022.55    0.511   342.25
2022.65    0.510   342.09
2022.75    0.509   341.94
2022.85    0.508   341.78
2022.95    0.507   341.62
2023.05    0.506   341.46
2023.15    0.505   341.30
2023.25    0.504   341.14
2023.35    0.503   340.97
2023.45    0.502   340.81
2023.55    0.501   340.65
2023.65    0.500   340.49
2023.75    0.499   340.32
2023.85    0.498   340.16
2023.95    0.497   339.99
2024.05    0.496   339.82
2024.15    0.495   339.66
2024.25    0.494   339.49
2024.35    0.493   339.32
2024.45    0.492   339.15
2024.55    0.490   338.98
2024.65    0.489   338.81
2024.75    0.488   338.64
2024.85    0.487   338.46
2024.95    0.485   338.29
2025.05    0.484   338.11
2025.15    0.483   337.94
2025.25    0.481   337.76
2025.35    0.480   337.58
2025.45    0.478   337.40
2025.55    0.477   337.22
2025.65    0.475   337.04
2025.75    0.474   336.86
2025.85    0.472   336.68
2025.95    0.471   336.49
2026.05    0.469   336.31
2026.15    0.468   336.12
2026.25    0.466   335.93
2026.35    0.464   335.74
2026.45    0.463   335.55
2026.55    0.461   335.36
2026.65    0.459   335.16
2026.75    0.458   334.97
2026.85    0.456   334.77
2026.95    0.454   334.57
2027.05    0.452   334.37
2027.15    0.450   334.17
2027.25    0.448   333.97
2027.35    0.446   333.76
2027.45    0.444   333.56
2027.55    0.443   333.35
2027.65    0.441   333.14
2027.75    0.438   332.92
2027.85    0.436   332.71
2027.95    0.434   332.49
2028.05    0.432   332.27
2028.15    0.430   332.05
2028.25    0.428   331.83
2028.35    0.426   331.60
2028.45    0.423   331.37
2028.55    0.421   331.14
2028.65    0.419   330.91
2028.75    0.416   330.68
2028.85    0.414   330.44
2028.95    0.412   330.20
2029.05    0.409   329.95
2029.15    0.407   329.71
2029.25    0.404   329.46
2029.35    0.402   329.20
2029.45    0.399   328.95
2029.55    0.396   328.69
2029.65    0.394   328.42
2029.75    0.391   328.16
2029.85    0.388   327.89
2029.95    0.386   327.61
2030.05    0.383   327.33
2030.15    0.380   327.05
2030.25    0.377   326.77
2030.35    0.374   326.47
2030.45    0.371   326.18
2030.55    0.368   325.88
2030.65    0.365   325.57
2030.75    0.362   325.26
2030.85    0.359   324.95
2030.95    0.356   324.62
2031.05    0.352   324.30
2031.15    0.349   323.96
2031.25    0.346   323.62
2031.35    0.343   323.28
2031.45    0.339   322.92
2031.55    0.336   322.56
2031.65    0.332   322.19
2031.75    0.329   321.82
2031.85    0.325   321.43
2031.95    0.321   321.04
2032.05    0.318   320.64
2032.15    0.314   320.22
2032.25    0.310   319.80
2032.35    0.306   319.37
2032.45    0.302   318.92
2032.55    0.298   318.47
2032.65    0.294   318.00
2032.75    0.290   317.52
2032.85    0.286   317.02
2032.95    0.281   316.51
2033.05    0.277   315.98
2033.15    0.272   315.44
2033.25    0.268   314.87
2033.35    0.263   314.29
2033.45    0.259   313.69
2033.55    0.254   313.06
2033.65    0.249   312.41
2033.75    0.244   311.74
2033.85    0.239   311.04
2033.95    0.234   310.30
2034.05    0.229   309.54
2034.15    0.224   308.74
2034.25    0.218   307.90
2034.35    0.213   307.01
2034.45    0.207   306.09
2034.55    0.202   305.10
2034.65    0.196   304.07
2034.75    0.190   302.96
2034.85    0.184   301.79
2034.95    0.178   300.53
2035.05    0.172   299.19
2035.15    0.165   297.74
2035.25    0.159   296.18
2035.35    0.152   294.47
2035.45    0.145   292.61
2035.55    0.138   290.57
2035.65    0.131   288.31
2035.75    0.124   285.78
2035.85    0.117   282.94
2035.95    0.109   279.72
2036.05    0.102   276.02
2036.15    0.094   271.72
2036.25    0.087   266.68
2036.35    0.079   260.68
2036.45    0.072   253.48
2036.55    0.066   244.78
2036.65    0.060   234.29
2036.75    0.056   221.89
2036.85    0.053   207.83
2036.95    0.052   192.89
2037.05    0.054   178.13
2037.15    0.056   164.45
2037.25    0.060   152.25
2037.35    0.064   141.57
2037.45    0.069   132.22
2037.55    0.073   124.00
2037.65    0.077   116.72
2037.75    0.082   110.23
2037.85    0.086   104.41
2037.95    0.091    99.15
2038.05    0.095    94.38
2038.15    0.099    90.03
2038.25    0.104    86.05
2038.35    0.108    82.40
2038.45    0.113    79.04
2038.55    0.117    75.93
2038.65    0.122    73.05
2038.75    0.126    70.37
2038.85    0.130    67.87
2038.95    0.135    65.54
2039.05    0.139    63.35
2039.15    0.144    61.30
2039.25    0.148    59.36
2039.35    0.152    57.54
2039.45    0.157    55.82
2039.55    0.161    54.19
2039.65    0.165    52.65
2039.75    0.169    51.18
2039.85    0.174    49.78
2039.95    0.178    48.45
2040.05    0.182    47.18
2040.15    0.186    45.96
2040.25    0.190    44.80
2040.35    0.194    43.69
2040.45    0.198    42.62
2040.55    0.202    41.59
2040.65    0.206    40.60
2040.75    0.210    39.65
2040.85    0.214    38.74
2040.95    0.218    37.85
2041.05    0.221    37.00
2041.15    0.225    36.18
2041.25    0.229    35.38
2041.35    0.233    34.61
2041.45    0.236    33.86
2041.55    0.240    33.14
2041.65    0.244    32.43
2041.75    0.247    31.75
2041.85    0.251    31.09
2041.95    0.254    30.44
2042.05    0.258    29.81
2042.15    0.261    29.20
2042.25    0.265    28.61
2042.35    0.268    28.03
2042.45    0.271    27.46
2042.55    0.275    26.91
2042.65    0.278    26.37
2042.75    0.281    25.85
2042.85    0.284    25.34
2042.95    0.288    24.83
2043.05    0.291    24.34
2043.15    0.294    23.86
2043.25    0.297    23.39
2043.35    0.300    22.93
2043.45    0.303    22.48
2043.55    0.306    22.04
2043.65    0.309    21.61
2043.75    0.312    21.18
2043.85    0.315    20.76
2043.95    0.318    20.35
2044.05    0.321    19.95
2044.15    0.324    19.56
2044.25    0.327    19.17
2044.35    0.330    18.79
2044.45    0.333    18.42
2044.55    0.335    18.05
2044.65    0.338    17.69
2044.75    0.341    17.33
2044.85    0.344    16.98
2044.95    0.346    16.63
2045.05    0.349    16.29
2045.15    0.352    15.96
2045.25    0.354    15.63
2045.35    0.357    15.31
2045.45    0.359    14.99






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 15:24:00



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