Double Star Calculator - Orbit

Orbital Elements for IOTVIR
WDS: IOTVIR WDS ID/Discoverer
P: 55.000 Orbital period (years)
a: 0.83 Semi-major axis (arcseconds)
i: 60.0 Inclination (degrees)
Ω: 3.0 Longitude of ascending node (degrees)
T: 1950.700 Epoch of periastron passage (year)
e: 0.1 Eccentricity
ω: 336.0 Longitude of periastron (degrees)
Start-Year: 1997.5 Year
End-Year: 2052.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for IOTVIR
Position: 141600.86-060001.9 Epoch-2000 right ascension and declination
WDS-ID: 14160-0600 WDS designation
Discoverer Code: IOTVIR Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 124850 HD catalog number
Hipparcos number: 69701 Hipparcos catalog number
V1: 4.1 Magnitude of the primary
V2: 8. > Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 9 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Gon2010 Reference

Double Star Orbit for IOTVIR



WDS 6th Orbit including measures of IOTVIR

-- 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 IOTVIR
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.586   141.42
--------------------------
1997.50    0.394   277.81
1997.60    0.395   279.25
1997.70    0.395   280.69
1997.80    0.396   282.12
1997.90    0.397   283.55
1998.00    0.398   284.98
1998.10    0.399   286.39
1998.20    0.400   287.79
1998.30    0.402   289.19
1998.40    0.404   290.57
1998.50    0.406   291.94
1998.60    0.408   293.30
1998.70    0.410   294.64
1998.80    0.412   295.97
1998.90    0.415   297.28
1999.00    0.418   298.57
1999.10    0.420   299.85
1999.20    0.423   301.11
1999.30    0.427   302.35
1999.40    0.430   303.58
1999.50    0.433   304.78
1999.60    0.437   305.97
1999.70    0.440   307.14
1999.80    0.444   308.28
1999.90    0.448   309.41
2000.00    0.452   310.52
2000.10    0.456   311.61
2000.20    0.460   312.68
2000.30    0.464   313.74
2000.40    0.468   314.77
2000.50    0.472   315.78
2000.60    0.477   316.78
2000.70    0.481   317.76
2000.80    0.486   318.72
2000.90    0.490   319.66
2001.00    0.495   320.58
2001.10    0.500   321.49
2001.20    0.504   322.38
2001.30    0.509   323.25
2001.40    0.514   324.11
2001.50    0.518   324.95
2001.60    0.523   325.78
2001.70    0.528   326.59
2001.80    0.533   327.39
2001.90    0.538   328.17
2002.00    0.543   328.94
2002.10    0.547   329.70
2002.20    0.552   330.44
2002.30    0.557   331.17
2002.40    0.562   331.88
2002.50    0.567   332.59
2002.60    0.572   333.28
2002.70    0.576   333.96
2002.80    0.581   334.63
2002.90    0.586   335.29
2003.00    0.591   335.94
2003.10    0.595   336.58
2003.20    0.600   337.21
2003.30    0.604   337.82
2003.40    0.609   338.43
2003.50    0.614   339.03
2003.60    0.618   339.63
2003.70    0.623   340.21
2003.80    0.627   340.78
2003.90    0.631   341.35
2004.00    0.636   341.91
2004.10    0.640   342.46
2004.20    0.644   343.01
2004.30    0.648   343.54
2004.40    0.652   344.07
2004.50    0.656   344.60
2004.60    0.660   345.12
2004.70    0.664   345.63
2004.80    0.668   346.13
2004.90    0.672   346.63
2005.00    0.675   347.13
2005.10    0.679   347.62
2005.20    0.683   348.10
2005.30    0.686   348.58
2005.40    0.689   349.05
2005.50    0.693   349.52
2005.60    0.696   349.99
2005.70    0.699   350.45
2005.80    0.702   350.91
2005.90    0.705   351.36
2006.00    0.708   351.81
2006.10    0.711   352.25
2006.20    0.714   352.70
2006.30    0.716   353.14
2006.40    0.719   353.57
2006.50    0.721   354.00
2006.60    0.724   354.43
2006.70    0.726   354.86
2006.80    0.728   355.28
2006.90    0.731   355.71
2007.00    0.733   356.12
2007.10    0.734   356.54
2007.20    0.736   356.96
2007.30    0.738   357.37
2007.40    0.740   357.78
2007.50    0.741   358.19
2007.60    0.743   358.60
2007.70    0.744   359.00
2007.80    0.746   359.41
2007.90    0.747   359.81
2008.00    0.748     0.21
2008.10    0.749     0.61
2008.20    0.750     1.01
2008.30    0.751     1.41
2008.40    0.751     1.81
2008.50    0.752     2.20
2008.60    0.752     2.60
2008.70    0.753     3.00
2008.80    0.753     3.39
2008.90    0.753     3.79
2009.00    0.754     4.18
2009.10    0.754     4.58
2009.20    0.754     4.97
2009.30    0.754     5.37
2009.40    0.753     5.76
2009.50    0.753     6.16
2009.60    0.753     6.55
2009.70    0.752     6.95
2009.80    0.751     7.35
2009.90    0.751     7.74
2010.00    0.750     8.14
2010.10    0.749     8.54
2010.20    0.748     8.94
2010.30    0.747     9.34
2010.40    0.746     9.75
2010.50    0.745    10.15
2010.60    0.743    10.56
2010.70    0.742    10.96
2010.80    0.740    11.37
2010.90    0.739    11.78
2011.00    0.737    12.19
2011.10    0.735    12.61
2011.20    0.733    13.02
2011.30    0.732    13.44
2011.40    0.730    13.86
2011.50    0.727    14.28
2011.60    0.725    14.71
2011.70    0.723    15.14
2011.80    0.721    15.57
2011.90    0.718    16.00
2012.00    0.716    16.44
2012.10    0.713    16.88
2012.20    0.711    17.32
2012.30    0.708    17.77
2012.40    0.705    18.21
2012.50    0.702    18.67
2012.60    0.699    19.12
2012.70    0.696    19.58
2012.80    0.693    20.05
2012.90    0.690    20.52
2013.00    0.687    20.99
2013.10    0.684    21.47
2013.20    0.681    21.95
2013.30    0.677    22.44
2013.40    0.674    22.93
2013.50    0.670    23.42
2013.60    0.667    23.93
2013.70    0.663    24.43
2013.80    0.660    24.95
2013.90    0.656    25.46
2014.00    0.652    25.99
2014.10    0.649    26.52
2014.20    0.645    27.06
2014.30    0.641    27.60
2014.40    0.637    28.15
2014.50    0.633    28.70
2014.60    0.629    29.27
2014.70    0.625    29.84
2014.80    0.621    30.41
2014.90    0.617    31.00
2015.00    0.613    31.59
2015.10    0.609    32.19
2015.20    0.605    32.80
2015.30    0.601    33.42
2015.40    0.597    34.05
2015.50    0.592    34.68
2015.60    0.588    35.32
2015.70    0.584    35.98
2015.80    0.580    36.64
2015.90    0.576    37.31
2016.00    0.572    37.99
2016.10    0.567    38.68
2016.20    0.563    39.39
2016.30    0.559    40.10
2016.40    0.555    40.82
2016.50    0.551    41.56
2016.60    0.546    42.30
2016.70    0.542    43.06
2016.80    0.538    43.83
2016.90    0.534    44.61
2017.00    0.530    45.40
2017.10    0.526    46.20
2017.20    0.522    47.02
2017.30    0.518    47.85
2017.40    0.514    48.69
2017.50    0.510    49.55
2017.60    0.506    50.42
2017.70    0.503    51.30
2017.80    0.499    52.19
2017.90    0.495    53.10
2018.00    0.492    54.02
2018.10    0.488    54.96
2018.20    0.485    55.90
2018.30    0.481    56.87
2018.40    0.478    57.84
2018.50    0.475    58.83
2018.60    0.471    59.83
2018.70    0.468    60.85
2018.80    0.465    61.88
2018.90    0.462    62.92
2019.00    0.460    63.98
2019.10    0.457    65.05
2019.20    0.454    66.13
2019.30    0.452    67.22
2019.40    0.449    68.33
2019.50    0.447    69.44
2019.60    0.445    70.57
2019.70    0.443    71.71
2019.80    0.441    72.86
2019.90    0.439    74.02
2020.00    0.437    75.19
2020.10    0.436    76.37
2020.20    0.434    77.55
2020.30    0.433    78.75
2020.40    0.432    79.94
2020.50    0.431    81.15
2020.60    0.430    82.36
2020.70    0.429    83.58
2020.80    0.429    84.80
2020.90    0.428    86.02
2021.00    0.428    87.24
2021.10    0.428    88.47
2021.20    0.428    89.70
2021.30    0.428    90.92
2021.40    0.428    92.15
2021.50    0.428    93.37
2021.60    0.429    94.59
2021.70    0.430    95.81
2021.80    0.430    97.02
2021.90    0.431    98.23
2022.00    0.433    99.43
2022.10    0.434   100.63
2022.20    0.435   101.82
2022.30    0.437   103.00
2022.40    0.438   104.17
2022.50    0.440   105.33
2022.60    0.442   106.48
2022.70    0.444   107.63
2022.80    0.446   108.76
2022.90    0.449   109.88
2023.00    0.451   110.99
2023.10    0.454   112.08
2023.20    0.456   113.17
2023.30    0.459   114.24
2023.40    0.462   115.30
2023.50    0.465   116.34
2023.60    0.468   117.37
2023.70    0.471   118.39
2023.80    0.474   119.39
2023.90    0.478   120.38
2024.00    0.481   121.36
2024.10    0.485   122.32
2024.20    0.488   123.27
2024.30    0.492   124.20
2024.40    0.496   125.12
2024.50    0.499   126.03
2024.60    0.503   126.92
2024.70    0.507   127.80
2024.80    0.511   128.67
2024.90    0.515   129.52
2025.00    0.520   130.35
2025.10    0.524   131.18
2025.20    0.528   131.99
2025.30    0.532   132.79
2025.40    0.537   133.57
2025.50    0.541   134.35
2025.60    0.545   135.11
2025.70    0.550   135.86
2025.80    0.554   136.59
2025.90    0.559   137.32
2026.00    0.563   138.03
2026.10    0.568   138.73
2026.20    0.573   139.42
2026.30    0.577   140.10
2026.40    0.582   140.77
2026.50    0.586   141.42
2026.60    0.591   142.07
2026.70    0.596   142.71
2026.80    0.600   143.34
2026.90    0.605   143.95
2027.00    0.610   144.56
2027.10    0.615   145.16
2027.20    0.619   145.75
2027.30    0.624   146.33
2027.40    0.629   146.90
2027.50    0.633   147.46
2027.60    0.638   148.02
2027.70    0.643   148.57
2027.80    0.647   149.11
2027.90    0.652   149.64
2028.00    0.657   150.16
2028.10    0.661   150.68
2028.20    0.666   151.19
2028.30    0.671   151.69
2028.40    0.675   152.18
2028.50    0.680   152.67
2028.60    0.684   153.15
2028.70    0.689   153.63
2028.80    0.694   154.10
2028.90    0.698   154.56
2029.00    0.702   155.02
2029.10    0.707   155.47
2029.20    0.711   155.92
2029.30    0.716   156.36
2029.40    0.720   156.79
2029.50    0.724   157.22
2029.60    0.729   157.65
2029.70    0.733   158.07
2029.80    0.737   158.48
2029.90    0.741   158.89
2030.00    0.746   159.30
2030.10    0.750   159.70
2030.20    0.754   160.10
2030.30    0.758   160.49
2030.40    0.762   160.88
2030.50    0.766   161.26
2030.60    0.770   161.64
2030.70    0.774   162.02
2030.80    0.777   162.39
2030.90    0.781   162.76
2031.00    0.785   163.13
2031.10    0.789   163.49
2031.20    0.792   163.85
2031.30    0.796   164.21
2031.40    0.799   164.56
2031.50    0.803   164.91
2031.60    0.806   165.26
2031.70    0.810   165.60
2031.80    0.813   165.94
2031.90    0.816   166.28
2032.00    0.820   166.61
2032.10    0.823   166.95
2032.20    0.826   167.28
2032.30    0.829   167.60
2032.40    0.832   167.93
2032.50    0.835   168.25
2032.60    0.838   168.57
2032.70    0.841   168.89
2032.80    0.844   169.21
2032.90    0.847   169.52
2033.00    0.849   169.83
2033.10    0.852   170.14
2033.20    0.854   170.45
2033.30    0.857   170.76
2033.40    0.859   171.06
2033.50    0.862   171.36
2033.60    0.864   171.66
2033.70    0.867   171.96
2033.80    0.869   172.26
2033.90    0.871   172.56
2034.00    0.873   172.85
2034.10    0.875   173.15
2034.20    0.877   173.44
2034.30    0.879   173.73
2034.40    0.881   174.02
2034.50    0.883   174.31
2034.60    0.884   174.60
2034.70    0.886   174.88
2034.80    0.887   175.17
2034.90    0.889   175.45
2035.00    0.890   175.74
2035.10    0.892   176.02
2035.20    0.893   176.30
2035.30    0.894   176.58
2035.40    0.896   176.86
2035.50    0.897   177.14
2035.60    0.898   177.42
2035.70    0.899   177.70
2035.80    0.900   177.97
2035.90    0.901   178.25
2036.00    0.901   178.53
2036.10    0.902   178.80
2036.20    0.903   179.08
2036.30    0.903   179.35
2036.40    0.904   179.63
2036.50    0.904   179.90
2036.60    0.905   180.18
2036.70    0.905   180.45
2036.80    0.905   180.73
2036.90    0.905   181.00
2037.00    0.905   181.27
2037.10    0.905   181.55
2037.20    0.905   181.82
2037.30    0.905   182.09
2037.40    0.905   182.37
2037.50    0.905   182.64
2037.60    0.904   182.92
2037.70    0.904   183.19
2037.80    0.904   183.47
2037.90    0.903   183.74
2038.00    0.902   184.02
2038.10    0.902   184.29
2038.20    0.901   184.57
2038.30    0.900   184.84
2038.40    0.899   185.12
2038.50    0.898   185.40
2038.60    0.897   185.68
2038.70    0.896   185.96
2038.80    0.895   186.24
2038.90    0.894   186.52
2039.00    0.892   186.80
2039.10    0.891   187.08
2039.20    0.890   187.36
2039.30    0.888   187.65
2039.40    0.886   187.93
2039.50    0.885   188.22
2039.60    0.883   188.50
2039.70    0.881   188.79
2039.80    0.879   189.08
2039.90    0.877   189.37
2040.00    0.875   189.67
2040.10    0.873   189.96
2040.20    0.871   190.25
2040.30    0.869   190.55
2040.40    0.867   190.85
2040.50    0.864   191.15
2040.60    0.862   191.45
2040.70    0.859   191.75
2040.80    0.857   192.06
2040.90    0.854   192.36
2041.00    0.851   192.67
2041.10    0.849   192.98
2041.20    0.846   193.29
2041.30    0.843   193.61
2041.40    0.840   193.93
2041.50    0.837   194.24
2041.60    0.834   194.57
2041.70    0.831   194.89
2041.80    0.828   195.22
2041.90    0.824   195.55
2042.00    0.821   195.88
2042.10    0.817   196.21
2042.20    0.814   196.55
2042.30    0.810   196.89
2042.40    0.807   197.23
2042.50    0.803   197.58
2042.60    0.800   197.93
2042.70    0.796   198.28
2042.80    0.792   198.64
2042.90    0.788   198.99
2043.00    0.784   199.36
2043.10    0.780   199.72
2043.20    0.776   200.09
2043.30    0.772   200.47
2043.40    0.768   200.85
2043.50    0.764   201.23
2043.60    0.759   201.62
2043.70    0.755   202.01
2043.80    0.751   202.40
2043.90    0.746   202.80
2044.00    0.742   203.21
2044.10    0.737   203.62
2044.20    0.733   204.04
2044.30    0.728   204.46
2044.40    0.723   204.88
2044.50    0.719   205.31
2044.60    0.714   205.75
2044.70    0.709   206.19
2044.80    0.704   206.64
2044.90    0.700   207.10
2045.00    0.695   207.56
2045.10    0.690   208.03
2045.20    0.685   208.50
2045.30    0.680   208.98
2045.40    0.675   209.47
2045.50    0.670   209.97
2045.60    0.665   210.47
2045.70    0.659   210.99
2045.80    0.654   211.51
2045.90    0.649   212.03
2046.00    0.644   212.57
2046.10    0.639   213.12
2046.20    0.633   213.67
2046.30    0.628   214.23
2046.40    0.623   214.81
2046.50    0.618   215.39
2046.60    0.612   215.98
2046.70    0.607   216.59
2046.80    0.602   217.20
2046.90    0.596   217.83
2047.00    0.591   218.46
2047.10    0.586   219.11
2047.20    0.580   219.77
2047.30    0.575   220.45
2047.40    0.570   221.13
2047.50    0.564   221.83
2047.60    0.559   222.54
2047.70    0.554   223.26
2047.80    0.548   224.00
2047.90    0.543   224.76
2048.00    0.538   225.52
2048.10    0.533   226.31
2048.20    0.528   227.10
2048.30    0.523   227.92
2048.40    0.517   228.75
2048.50    0.512   229.59
2048.60    0.507   230.46
2048.70    0.502   231.34
2048.80    0.498   232.23
2048.90    0.493   233.15
2049.00    0.488   234.08
2049.10    0.483   235.03
2049.20    0.479   236.00
2049.30    0.474   236.99
2049.40    0.470   238.00
2049.50    0.465   239.03
2049.60    0.461   240.07
2049.70    0.457   241.14
2049.80    0.452   242.23
2049.90    0.448   243.33
2050.00    0.445   244.46
2050.10    0.441   245.60
2050.20    0.437   246.77
2050.30    0.433   247.95
2050.40    0.430   249.15
2050.50    0.427   250.38
2050.60    0.424   251.62
2050.70    0.420   252.88
2050.80    0.418   254.16
2050.90    0.415   255.45
2051.00    0.412   256.76
2051.10    0.410   258.09
2051.20    0.408   259.43
2051.30    0.406   260.79
2051.40    0.404   262.16
2051.50    0.402   263.54
2051.60    0.400   264.94
2051.70    0.399   266.34
2051.80    0.398   267.76
2051.90    0.397   269.18
2052.00    0.396   270.61
2052.10    0.395   272.05
2052.20    0.395   273.48
2052.30    0.394   274.93
2052.40    0.394   276.37






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 17:04:26



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