Double Star Calculator - Orbit

Orbital Elements for I260CD
WDS: I260CD WDS ID/Discoverer
P: 44.730 Orbital period (years)
a: 0.495 Semi-major axis (arcseconds)
i: 124.7 Inclination (degrees)
Ω: 241.6 Longitude of ascending node (degrees)
T: 2011.620 Epoch of periastron passage (year)
e: 0.81 Eccentricity
ω: 112.2 Longitude of periastron (degrees)
Start-Year: 2002.635 Year
End-Year: 2047.365 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for I260CD
Position: 003133.36-625755.6 Epoch-2000 right ascension and declination
WDS-ID: 00315-6257 WDS designation
Discoverer Code: I260CD Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 2885 HD catalog number
Hipparcos number: 2487 Hipparcos catalog number
V1: 4.60 Magnitude of the primary
V2: 6.54 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 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: Tok2015c Reference

Double Star Orbit for I260CD



WDS 6th Orbit including measures of I260CD

-- 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 I260CD
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.488   313.03
--------------------------
2002.63    0.542   270.63
2002.73    0.540   270.40
2002.83    0.538   270.18
2002.93    0.536   269.95
2003.03    0.534   269.72
2003.13    0.532   269.49
2003.23    0.530   269.25
2003.33    0.528   269.02
2003.43    0.525   268.78
2003.53    0.523   268.54
2003.63    0.521   268.30
2003.73    0.519   268.06
2003.83    0.516   267.81
2003.93    0.514   267.56
2004.03    0.512   267.31
2004.13    0.509   267.06
2004.23    0.507   266.80
2004.33    0.504   266.55
2004.43    0.501   266.28
2004.53    0.499   266.02
2004.63    0.496   265.76
2004.73    0.493   265.49
2004.83    0.490   265.21
2004.93    0.487   264.94
2005.03    0.485   264.66
2005.13    0.482   264.38
2005.23    0.479   264.09
2005.33    0.475   263.80
2005.43    0.472   263.51
2005.53    0.469   263.21
2005.63    0.466   262.91
2005.73    0.462   262.61
2005.83    0.459   262.29
2005.93    0.456   261.98
2006.03    0.452   261.66
2006.13    0.448   261.34
2006.23    0.445   261.01
2006.33    0.441   260.67
2006.43    0.437   260.33
2006.53    0.433   259.98
2006.63    0.429   259.63
2006.73    0.425   259.27
2006.83    0.421   258.90
2006.93    0.417   258.52
2007.03    0.412   258.14
2007.13    0.408   257.75
2007.23    0.403   257.35
2007.33    0.399   256.94
2007.43    0.394   256.52
2007.53    0.389   256.09
2007.63    0.384   255.65
2007.73    0.379   255.20
2007.83    0.374   254.73
2007.93    0.369   254.26
2008.03    0.363   253.77
2008.13    0.358   253.26
2008.23    0.352   252.74
2008.33    0.346   252.20
2008.43    0.340   251.64
2008.53    0.334   251.06
2008.63    0.328   250.46
2008.73    0.321   249.84
2008.83    0.315   249.18
2008.93    0.308   248.51
2009.03    0.301   247.80
2009.13    0.294   247.05
2009.23    0.286   246.27
2009.33    0.279   245.44
2009.43    0.271   244.57
2009.53    0.263   243.64
2009.63    0.254   242.66
2009.73    0.245   241.60
2009.83    0.236   240.46
2009.93    0.227   239.24
2010.03    0.217   237.90
2010.13    0.207   236.44
2010.23    0.197   234.82
2010.33    0.186   233.02
2010.43    0.174   230.98
2010.53    0.162   228.66
2010.63    0.150   225.96
2010.73    0.137   222.77
2010.83    0.124   218.92
2010.93    0.111   214.14
2011.03    0.097   208.01
2011.13    0.084   199.89
2011.23    0.071   188.82
2011.33    0.061   173.62
2011.43    0.056   154.02
2011.53    0.056   132.51
2011.63    0.062   113.36
2011.73    0.072    98.59
2011.83    0.084    87.64
2011.93    0.095    79.37
2012.03    0.107    72.90
2012.13    0.117    67.63
2012.23    0.127    63.19
2012.33    0.136    59.36
2012.43    0.144    55.98
2012.53    0.151    52.95
2012.63    0.158    50.18
2012.73    0.164    47.64
2012.83    0.170    45.28
2012.93    0.175    43.06
2013.03    0.180    40.98
2013.13    0.185    39.01
2013.23    0.190    37.13
2013.33    0.194    35.34
2013.43    0.198    33.62
2013.53    0.202    31.97
2013.63    0.206    30.39
2013.73    0.209    28.86
2013.83    0.213    27.38
2013.93    0.216    25.94
2014.03    0.219    24.55
2014.13    0.223    23.21
2014.23    0.226    21.89
2014.33    0.229    20.62
2014.43    0.232    19.38
2014.53    0.235    18.16
2014.63    0.237    16.98
2014.73    0.240    15.83
2014.83    0.243    14.70
2014.93    0.246    13.60
2015.03    0.248    12.52
2015.13    0.251    11.46
2015.23    0.254    10.43
2015.33    0.256     9.42
2015.43    0.259     8.43
2015.53    0.261     7.45
2015.63    0.264     6.50
2015.73    0.267     5.57
2015.83    0.269     4.65
2015.93    0.271     3.75
2016.03    0.274     2.86
2016.13    0.276     1.99
2016.23    0.279     1.14
2016.33    0.281     0.30
2016.43    0.284   359.47
2016.53    0.286   358.66
2016.63    0.288   357.86
2016.73    0.291   357.08
2016.83    0.293   356.30
2016.93    0.295   355.54
2017.03    0.298   354.80
2017.13    0.300   354.06
2017.23    0.302   353.33
2017.33    0.305   352.62
2017.43    0.307   351.92
2017.53    0.309   351.22
2017.63    0.312   350.54
2017.73    0.314   349.87
2017.83    0.316   349.20
2017.93    0.318   348.55
2018.03    0.321   347.91
2018.13    0.323   347.27
2018.23    0.325   346.64
2018.33    0.328   346.03
2018.43    0.330   345.42
2018.53    0.332   344.82
2018.63    0.334   344.22
2018.73    0.336   343.64
2018.83    0.339   343.06
2018.93    0.341   342.49
2019.03    0.343   341.93
2019.13    0.345   341.37
2019.23    0.347   340.82
2019.33    0.350   340.28
2019.43    0.352   339.74
2019.53    0.354   339.21
2019.63    0.356   338.69
2019.73    0.358   338.18
2019.83    0.360   337.67
2019.93    0.363   337.16
2020.03    0.365   336.66
2020.13    0.367   336.17
2020.23    0.369   335.69
2020.33    0.371   335.21
2020.43    0.373   334.73
2020.53    0.375   334.26
2020.63    0.377   333.80
2020.73    0.380   333.34
2020.83    0.382   332.88
2020.93    0.384   332.43
2021.03    0.386   331.99
2021.13    0.388   331.55
2021.23    0.390   331.11
2021.33    0.392   330.68
2021.43    0.394   330.25
2021.53    0.396   329.83
2021.63    0.398   329.41
2021.73    0.400   329.00
2021.83    0.402   328.59
2021.93    0.404   328.19
2022.03    0.406   327.79
2022.13    0.408   327.39
2022.23    0.410   326.99
2022.33    0.412   326.61
2022.43    0.414   326.22
2022.53    0.416   325.84
2022.63    0.418   325.46
2022.73    0.420   325.08
2022.83    0.422   324.71
2022.93    0.424   324.34
2023.03    0.426   323.98
2023.13    0.428   323.62
2023.23    0.430   323.26
2023.33    0.432   322.90
2023.43    0.433   322.55
2023.53    0.435   322.20
2023.63    0.437   321.86
2023.73    0.439   321.51
2023.83    0.441   321.17
2023.93    0.443   320.84
2024.03    0.445   320.50
2024.13    0.447   320.17
2024.23    0.448   319.84
2024.33    0.450   319.52
2024.43    0.452   319.19
2024.53    0.454   318.87
2024.63    0.456   318.55
2024.73    0.457   318.24
2024.83    0.459   317.92
2024.93    0.461   317.61
2025.03    0.463   317.30
2025.13    0.465   317.00
2025.23    0.466   316.69
2025.33    0.468   316.39
2025.43    0.470   316.09
2025.53    0.471   315.80
2025.63    0.473   315.50
2025.73    0.475   315.21
2025.83    0.477   314.92
2025.93    0.478   314.63
2026.03    0.480   314.34
2026.13    0.482   314.06
2026.23    0.483   313.77
2026.33    0.485   313.49
2026.43    0.487   313.21
2026.53    0.488   312.94
2026.63    0.490   312.66
2026.73    0.491   312.39
2026.83    0.493   312.12
2026.93    0.495   311.85
2027.03    0.496   311.58
2027.13    0.498   311.31
2027.23    0.499   311.05
2027.33    0.501   310.78
2027.43    0.503   310.52
2027.53    0.504   310.26
2027.63    0.506   310.00
2027.73    0.507   309.75
2027.83    0.509   309.49
2027.93    0.510   309.24
2028.03    0.512   308.99
2028.13    0.513   308.73
2028.23    0.515   308.49
2028.33    0.516   308.24
2028.43    0.517   307.99
2028.53    0.519   307.75
2028.63    0.520   307.50
2028.73    0.522   307.26
2028.83    0.523   307.02
2028.93    0.525   306.78
2029.03    0.526   306.54
2029.13    0.527   306.30
2029.23    0.529   306.07
2029.33    0.530   305.83
2029.43    0.531   305.60
2029.53    0.533   305.36
2029.63    0.534   305.13
2029.73    0.535   304.90
2029.83    0.537   304.67
2029.93    0.538   304.45
2030.03    0.539   304.22
2030.13    0.541   303.99
2030.23    0.542   303.77
2030.33    0.543   303.55
2030.43    0.544   303.32
2030.53    0.546   303.10
2030.63    0.547   302.88
2030.73    0.548   302.66
2030.83    0.549   302.44
2030.93    0.550   302.22
2031.03    0.552   302.01
2031.13    0.553   301.79
2031.23    0.554   301.58
2031.33    0.555   301.36
2031.43    0.556   301.15
2031.53    0.557   300.94
2031.63    0.558   300.72
2031.73    0.559   300.51
2031.83    0.561   300.30
2031.93    0.562   300.09
2032.03    0.563   299.89
2032.13    0.564   299.68
2032.23    0.565   299.47
2032.33    0.566   299.27
2032.43    0.567   299.06
2032.53    0.568   298.86
2032.63    0.569   298.65
2032.73    0.570   298.45
2032.83    0.571   298.25
2032.93    0.572   298.04
2033.03    0.573   297.84
2033.13    0.574   297.64
2033.23    0.575   297.44
2033.33    0.575   297.24
2033.43    0.576   297.05
2033.53    0.577   296.85
2033.63    0.578   296.65
2033.73    0.579   296.45
2033.83    0.580   296.26
2033.93    0.581   296.06
2034.03    0.581   295.87
2034.13    0.582   295.67
2034.23    0.583   295.48
2034.33    0.584   295.29
2034.43    0.585   295.09
2034.53    0.585   294.90
2034.63    0.586   294.71
2034.73    0.587   294.52
2034.83    0.588   294.33
2034.93    0.588   294.14
2035.03    0.589   293.95
2035.13    0.590   293.76
2035.23    0.590   293.57
2035.33    0.591   293.38
2035.43    0.592   293.19
2035.53    0.592   293.00
2035.63    0.593   292.81
2035.73    0.593   292.63
2035.83    0.594   292.44
2035.93    0.595   292.25
2036.03    0.595   292.07
2036.13    0.596   291.88
2036.23    0.596   291.70
2036.33    0.597   291.51
2036.43    0.597   291.33
2036.53    0.598   291.14
2036.63    0.598   290.96
2036.73    0.599   290.77
2036.83    0.599   290.59
2036.93    0.600   290.41
2037.03    0.600   290.23
2037.13    0.600   290.04
2037.23    0.601   289.86
2037.33    0.601   289.68
2037.43    0.601   289.50
2037.53    0.602   289.31
2037.63    0.602   289.13
2037.73    0.602   288.95
2037.83    0.603   288.77
2037.93    0.603   288.59
2038.03    0.603   288.41
2038.13    0.604   288.23
2038.23    0.604   288.05
2038.33    0.604   287.86
2038.43    0.604   287.68
2038.53    0.604   287.50
2038.63    0.605   287.32
2038.73    0.605   287.14
2038.83    0.605   286.96
2038.93    0.605   286.78
2039.03    0.605   286.60
2039.13    0.605   286.42
2039.23    0.605   286.24
2039.33    0.605   286.06
2039.43    0.605   285.89
2039.53    0.605   285.71
2039.63    0.605   285.53
2039.73    0.605   285.35
2039.83    0.605   285.17
2039.93    0.605   284.99
2040.03    0.605   284.81
2040.13    0.605   284.63
2040.23    0.605   284.45
2040.33    0.605   284.27
2040.43    0.605   284.09
2040.53    0.605   283.91
2040.63    0.604   283.73
2040.73    0.604   283.55
2040.83    0.604   283.37
2040.93    0.604   283.19
2041.03    0.604   283.01
2041.13    0.603   282.83
2041.23    0.603   282.64
2041.33    0.603   282.46
2041.43    0.602   282.28
2041.53    0.602   282.10
2041.63    0.602   281.92
2041.73    0.601   281.74
2041.83    0.601   281.55
2041.93    0.601   281.37
2042.03    0.600   281.19
2042.13    0.600   281.01
2042.23    0.599   280.82
2042.33    0.599   280.64
2042.43    0.598   280.46
2042.53    0.598   280.27
2042.63    0.597   280.09
2042.73    0.596   279.90
2042.83    0.596   279.72
2042.93    0.595   279.53
2043.03    0.595   279.35
2043.13    0.594   279.16
2043.23    0.593   278.97
2043.33    0.592   278.78
2043.43    0.592   278.60
2043.53    0.591   278.41
2043.63    0.590   278.22
2043.73    0.589   278.03
2043.83    0.589   277.84
2043.93    0.588   277.65
2044.03    0.587   277.46
2044.13    0.586   277.27
2044.23    0.585   277.08
2044.33    0.584   276.88
2044.43    0.583   276.69
2044.53    0.582   276.50
2044.63    0.581   276.30
2044.73    0.580   276.11
2044.83    0.579   275.91
2044.93    0.578   275.71
2045.03    0.577   275.52
2045.13    0.575   275.32
2045.23    0.574   275.12
2045.33    0.573   274.92
2045.43    0.572   274.72
2045.53    0.571   274.51
2045.63    0.569   274.31
2045.73    0.568   274.11
2045.83    0.567   273.90
2045.93    0.565   273.70
2046.03    0.564   273.49
2046.13    0.562   273.28
2046.23    0.561   273.07
2046.33    0.559   272.86
2046.43    0.558   272.65
2046.53    0.556   272.44
2046.63    0.555   272.23
2046.73    0.553   272.01
2046.83    0.551   271.80
2046.93    0.549   271.58
2047.03    0.548   271.36
2047.13    0.546   271.14
2047.23    0.544   270.92
2047.33    0.542   270.70






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 14:40:06



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