Double Star Calculator - Orbit

Orbital Elements for HDS2995
WDS: HDS2995 WDS ID/Discoverer
P: 69.570 Orbital period (years)
a: 0.396 Semi-major axis (arcseconds)
i: 127.4 Inclination (degrees)
Ω: 132.2 Longitude of ascending node (degrees)
T: 2007.790 Epoch of periastron passage (year)
e: 0.628 Eccentricity
ω: 337.7 Longitude of periastron (degrees)
Start-Year: 1990.215 Year
End-Year: 2059.785 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS2995
Position: 210126.09+403704.6 Epoch-2000 right ascension and declination
WDS-ID: 21014+4037 WDS designation
Discoverer Code: HDS2995 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 200325 HD catalog number
Hipparcos number: 103749 Hipparcos catalog number
V1: 7.31 Magnitude of the primary
V2: 10.68 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Cve2011a Reference

Double Star Orbit for HDS2995



WDS 6th Orbit including measures of HDS2995

-- 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 HDS2995
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.431   347.82
--------------------------
1990.21    0.523   307.56
1990.31    0.522   307.41
1990.41    0.520   307.27
1990.51    0.518   307.13
1990.61    0.517   306.99
1990.71    0.515   306.84
1990.81    0.513   306.70
1990.91    0.512   306.55
1991.01    0.510   306.41
1991.11    0.508   306.26
1991.21    0.507   306.11
1991.31    0.505   305.96
1991.41    0.503   305.81
1991.51    0.501   305.66
1991.61    0.499   305.50
1991.71    0.498   305.35
1991.81    0.496   305.19
1991.91    0.494   305.04
1992.01    0.492   304.88
1992.11    0.490   304.72
1992.21    0.488   304.56
1992.31    0.486   304.40
1992.41    0.484   304.23
1992.51    0.482   304.07
1992.61    0.480   303.90
1992.71    0.478   303.74
1992.81    0.476   303.57
1992.91    0.474   303.40
1993.01    0.472   303.23
1993.11    0.470   303.06
1993.21    0.468   302.88
1993.31    0.466   302.71
1993.41    0.464   302.53
1993.51    0.462   302.35
1993.61    0.460   302.17
1993.71    0.457   301.99
1993.81    0.455   301.80
1993.91    0.453   301.62
1994.01    0.451   301.43
1994.11    0.449   301.24
1994.21    0.446   301.05
1994.31    0.444   300.85
1994.41    0.442   300.66
1994.51    0.439   300.46
1994.61    0.437   300.26
1994.71    0.435   300.06
1994.81    0.432   299.85
1994.91    0.430   299.65
1995.01    0.428   299.44
1995.11    0.425   299.23
1995.21    0.423   299.01
1995.31    0.420   298.80
1995.41    0.418   298.58
1995.51    0.415   298.36
1995.61    0.413   298.14
1995.71    0.410   297.91
1995.81    0.408   297.68
1995.91    0.405   297.45
1996.01    0.402   297.21
1996.11    0.400   296.97
1996.21    0.397   296.73
1996.31    0.395   296.49
1996.41    0.392   296.24
1996.51    0.389   295.99
1996.61    0.386   295.73
1996.71    0.384   295.47
1996.81    0.381   295.21
1996.91    0.378   294.95
1997.01    0.375   294.68
1997.11    0.373   294.40
1997.21    0.370   294.12
1997.31    0.367   293.84
1997.41    0.364   293.55
1997.51    0.361   293.26
1997.61    0.358   292.96
1997.71    0.355   292.66
1997.81    0.352   292.36
1997.91    0.349   292.05
1998.01    0.346   291.73
1998.11    0.343   291.41
1998.21    0.340   291.08
1998.31    0.337   290.74
1998.41    0.334   290.40
1998.51    0.331   290.05
1998.61    0.328   289.70
1998.71    0.325   289.34
1998.81    0.321   288.97
1998.91    0.318   288.60
1999.01    0.315   288.22
1999.11    0.312   287.83
1999.21    0.309   287.43
1999.31    0.305   287.02
1999.41    0.302   286.60
1999.51    0.299   286.18
1999.61    0.295   285.74
1999.71    0.292   285.30
1999.81    0.289   284.84
1999.91    0.285   284.38
2000.01    0.282   283.90
2000.11    0.278   283.41
2000.21    0.275   282.91
2000.31    0.271   282.40
2000.41    0.268   281.87
2000.51    0.264   281.33
2000.61    0.261   280.77
2000.71    0.257   280.20
2000.81    0.254   279.61
2000.91    0.250   279.01
2001.01    0.247   278.39
2001.11    0.243   277.75
2001.21    0.239   277.09
2001.31    0.236   276.41
2001.41    0.232   275.71
2001.51    0.228   274.99
2001.61    0.225   274.24
2001.71    0.221   273.47
2001.81    0.217   272.67
2001.91    0.214   271.85
2002.01    0.210   270.99
2002.11    0.206   270.11
2002.21    0.203   269.19
2002.31    0.199   268.24
2002.41    0.195   267.26
2002.51    0.192   266.23
2002.61    0.188   265.17
2002.71    0.184   264.06
2002.81    0.181   262.91
2002.91    0.177   261.71
2003.01    0.174   260.47
2003.11    0.170   259.17
2003.21    0.167   257.81
2003.31    0.163   256.40
2003.41    0.160   254.92
2003.51    0.156   253.39
2003.61    0.153   251.78
2003.71    0.150   250.10
2003.81    0.146   248.35
2003.91    0.143   246.52
2004.01    0.140   244.61
2004.11    0.137   242.62
2004.21    0.134   240.54
2004.31    0.132   238.37
2004.41    0.129   236.12
2004.51    0.127   233.77
2004.61    0.124   231.34
2004.71    0.122   228.81
2004.81    0.120   226.20
2004.91    0.118   223.51
2005.01    0.117   220.74
2005.11    0.115   217.89
2005.21    0.114   214.98
2005.31    0.113   212.01
2005.41    0.112   208.99
2005.51    0.112   205.94
2005.61    0.111   202.86
2005.71    0.111   199.77
2005.81    0.111   196.68
2005.91    0.112   193.60
2006.01    0.112   190.55
2006.11    0.113   187.52
2006.21    0.114   184.54
2006.31    0.115   181.62
2006.41    0.116   178.75
2006.51    0.118   175.94
2006.61    0.119   173.20
2006.71    0.121   170.53
2006.81    0.122   167.94
2006.91    0.124   165.41
2007.01    0.126   162.96
2007.11    0.128   160.58
2007.21    0.130   158.27
2007.31    0.132   156.03
2007.41    0.134   153.85
2007.51    0.135   151.73
2007.61    0.137   149.67
2007.71    0.139   147.66
2007.81    0.141   145.70
2007.91    0.143   143.79
2008.01    0.144   141.93
2008.11    0.146   140.10
2008.21    0.147   138.32
2008.31    0.149   136.56
2008.41    0.150   134.84
2008.51    0.151   133.15
2008.61    0.152   131.48
2008.71    0.153   129.83
2008.81    0.154   128.21
2008.91    0.155   126.60
2009.01    0.156   125.01
2009.11    0.156   123.43
2009.21    0.157   121.87
2009.31    0.157   120.32
2009.41    0.158   118.77
2009.51    0.158   117.24
2009.61    0.159   115.71
2009.71    0.159   114.19
2009.81    0.159   112.67
2009.91    0.159   111.16
2010.01    0.159   109.64
2010.11    0.159   108.13
2010.21    0.160   106.63
2010.31    0.160   105.12
2010.41    0.160   103.62
2010.51    0.160   102.11
2010.61    0.160   100.61
2010.71    0.160    99.10
2010.81    0.160    97.60
2010.91    0.160    96.10
2011.01    0.160    94.60
2011.11    0.160    93.10
2011.21    0.160    91.60
2011.31    0.160    90.10
2011.41    0.160    88.60
2011.51    0.160    87.11
2011.61    0.161    85.62
2011.71    0.161    84.14
2011.81    0.161    82.65
2011.91    0.161    81.18
2012.01    0.162    79.71
2012.11    0.162    78.24
2012.21    0.162    76.78
2012.31    0.163    75.34
2012.41    0.163    73.89
2012.51    0.164    72.46
2012.61    0.165    71.04
2012.71    0.165    69.63
2012.81    0.166    68.23
2012.91    0.167    66.84
2013.01    0.167    65.47
2013.11    0.168    64.11
2013.21    0.169    62.76
2013.31    0.170    61.43
2013.41    0.171    60.11
2013.51    0.172    58.81
2013.61    0.173    57.52
2013.71    0.174    56.25
2013.81    0.175    54.99
2013.91    0.177    53.76
2014.01    0.178    52.54
2014.11    0.179    51.33
2014.21    0.181    50.15
2014.31    0.182    48.98
2014.41    0.183    47.83
2014.51    0.185    46.70
2014.61    0.186    45.58
2014.71    0.188    44.49
2014.81    0.189    43.41
2014.91    0.191    42.35
2015.01    0.193    41.31
2015.11    0.194    40.28
2015.21    0.196    39.28
2015.31    0.198    38.29
2015.41    0.199    37.31
2015.51    0.201    36.36
2015.61    0.203    35.42
2015.71    0.205    34.50
2015.81    0.207    33.59
2015.91    0.209    32.70
2016.01    0.211    31.83
2016.11    0.212    30.97
2016.21    0.214    30.13
2016.31    0.216    29.30
2016.41    0.218    28.49
2016.51    0.220    27.70
2016.61    0.222    26.91
2016.71    0.224    26.15
2016.81    0.227    25.39
2016.91    0.229    24.65
2017.01    0.231    23.92
2017.11    0.233    23.21
2017.21    0.235    22.51
2017.31    0.237    21.82
2017.41    0.239    21.14
2017.51    0.241    20.48
2017.61    0.243    19.82
2017.71    0.246    19.18
2017.81    0.248    18.55
2017.91    0.250    17.93
2018.01    0.252    17.32
2018.11    0.254    16.72
2018.21    0.256    16.13
2018.31    0.259    15.56
2018.41    0.261    14.99
2018.51    0.263    14.43
2018.61    0.265    13.88
2018.71    0.268    13.34
2018.81    0.270    12.81
2018.91    0.272    12.28
2019.01    0.274    11.77
2019.11    0.276    11.26
2019.21    0.279    10.77
2019.31    0.281    10.28
2019.41    0.283     9.79
2019.51    0.285     9.32
2019.61    0.288     8.85
2019.71    0.290     8.39
2019.81    0.292     7.94
2019.91    0.294     7.49
2020.01    0.296     7.05
2020.11    0.299     6.62
2020.21    0.301     6.19
2020.31    0.303     5.77
2020.41    0.305     5.36
2020.51    0.308     4.95
2020.61    0.310     4.55
2020.71    0.312     4.15
2020.81    0.314     3.76
2020.91    0.316     3.37
2021.01    0.319     2.99
2021.11    0.321     2.62
2021.21    0.323     2.25
2021.31    0.325     1.88
2021.41    0.328     1.52
2021.51    0.330     1.17
2021.61    0.332     0.82
2021.71    0.334     0.47
2021.81    0.336     0.13
2021.91    0.338   359.79
2022.01    0.341   359.46
2022.11    0.343   359.13
2022.21    0.345   358.81
2022.31    0.347   358.49
2022.41    0.349   358.17
2022.51    0.351   357.86
2022.61    0.353   357.55
2022.71    0.356   357.24
2022.81    0.358   356.94
2022.91    0.360   356.64
2023.01    0.362   356.35
2023.11    0.364   356.06
2023.21    0.366   355.77
2023.31    0.368   355.49
2023.41    0.370   355.21
2023.51    0.372   354.93
2023.61    0.374   354.65
2023.71    0.377   354.38
2023.81    0.379   354.11
2023.91    0.381   353.85
2024.01    0.383   353.58
2024.11    0.385   353.32
2024.21    0.387   353.06
2024.31    0.389   352.81
2024.41    0.391   352.56
2024.51    0.393   352.31
2024.61    0.395   352.06
2024.71    0.397   351.81
2024.81    0.399   351.57
2024.91    0.401   351.33
2025.01    0.403   351.09
2025.11    0.405   350.86
2025.21    0.407   350.63
2025.31    0.409   350.40
2025.41    0.411   350.17
2025.51    0.413   349.94
2025.61    0.414   349.72
2025.71    0.416   349.49
2025.81    0.418   349.27
2025.91    0.420   349.06
2026.01    0.422   348.84
2026.11    0.424   348.62
2026.21    0.426   348.41
2026.31    0.428   348.20
2026.41    0.430   347.99
2026.51    0.431   347.79
2026.61    0.433   347.58
2026.71    0.435   347.38
2026.81    0.437   347.18
2026.91    0.439   346.98
2027.01    0.441   346.78
2027.11    0.442   346.58
2027.21    0.444   346.39
2027.31    0.446   346.19
2027.41    0.448   346.00
2027.51    0.450   345.81
2027.61    0.451   345.62
2027.71    0.453   345.43
2027.81    0.455   345.25
2027.91    0.457   345.06
2028.01    0.458   344.88
2028.11    0.460   344.70
2028.21    0.462   344.52
2028.31    0.463   344.34
2028.41    0.465   344.16
2028.51    0.467   343.98
2028.61    0.468   343.81
2028.71    0.470   343.63
2028.81    0.472   343.46
2028.91    0.473   343.29
2029.01    0.475   343.12
2029.11    0.477   342.95
2029.21    0.478   342.78
2029.31    0.480   342.61
2029.41    0.482   342.45
2029.51    0.483   342.28
2029.61    0.485   342.12
2029.71    0.486   341.96
2029.81    0.488   341.79
2029.91    0.490   341.63
2030.01    0.491   341.47
2030.11    0.493   341.32
2030.21    0.494   341.16
2030.31    0.496   341.00
2030.41    0.497   340.85
2030.51    0.499   340.69
2030.61    0.500   340.54
2030.71    0.502   340.38
2030.81    0.503   340.23
2030.91    0.505   340.08
2031.01    0.506   339.93
2031.11    0.508   339.78
2031.21    0.509   339.63
2031.31    0.511   339.49
2031.41    0.512   339.34
2031.51    0.513   339.19
2031.61    0.515   339.05
2031.71    0.516   338.90
2031.81    0.518   338.76
2031.91    0.519   338.62
2032.01    0.520   338.48
2032.11    0.522   338.33
2032.21    0.523   338.19
2032.31    0.524   338.05
2032.41    0.526   337.91
2032.51    0.527   337.78
2032.61    0.528   337.64
2032.71    0.530   337.50
2032.81    0.531   337.37
2032.91    0.532   337.23
2033.01    0.534   337.09
2033.11    0.535   336.96
2033.21    0.536   336.83
2033.31    0.538   336.69
2033.41    0.539   336.56
2033.51    0.540   336.43
2033.61    0.541   336.30
2033.71    0.542   336.17
2033.81    0.544   336.04
2033.91    0.545   335.91
2034.01    0.546   335.78
2034.11    0.547   335.65
2034.21    0.548   335.52
2034.31    0.550   335.40
2034.41    0.551   335.27
2034.51    0.552   335.14
2034.61    0.553   335.02
2034.71    0.554   334.89
2034.81    0.555   334.77
2034.91    0.557   334.64
2035.01    0.558   334.52
2035.11    0.559   334.40
2035.21    0.560   334.27
2035.31    0.561   334.15
2035.41    0.562   334.03
2035.51    0.563   333.91
2035.61    0.564   333.79
2035.71    0.565   333.67
2035.81    0.566   333.55
2035.91    0.567   333.43
2036.01    0.568   333.31
2036.11    0.569   333.19
2036.21    0.570   333.07
2036.31    0.571   332.96
2036.41    0.572   332.84
2036.51    0.573   332.72
2036.61    0.574   332.60
2036.71    0.575   332.49
2036.81    0.576   332.37
2036.91    0.577   332.26
2037.01    0.578   332.14
2037.11    0.579   332.03
2037.21    0.580   331.91
2037.31    0.581   331.80
2037.41    0.582   331.69
2037.51    0.582   331.57
2037.61    0.583   331.46
2037.71    0.584   331.35
2037.81    0.585   331.23
2037.91    0.586   331.12
2038.01    0.587   331.01
2038.11    0.587   330.90
2038.21    0.588   330.79
2038.31    0.589   330.68
2038.41    0.590   330.57
2038.51    0.591   330.46
2038.61    0.591   330.35
2038.71    0.592   330.24
2038.81    0.593   330.13
2038.91    0.594   330.02
2039.01    0.594   329.91
2039.11    0.595   329.80
2039.21    0.596   329.70
2039.31    0.597   329.59
2039.41    0.597   329.48
2039.51    0.598   329.37
2039.61    0.599   329.27
2039.71    0.599   329.16
2039.81    0.600   329.05
2039.91    0.601   328.95
2040.01    0.601   328.84
2040.11    0.602   328.73
2040.21    0.603   328.63
2040.31    0.603   328.52
2040.41    0.604   328.42
2040.51    0.604   328.31
2040.61    0.605   328.21
2040.71    0.606   328.10
2040.81    0.606   328.00
2040.91    0.607   327.89
2041.01    0.607   327.79
2041.11    0.608   327.69
2041.21    0.608   327.58
2041.31    0.609   327.48
2041.41    0.609   327.38
2041.51    0.610   327.27
2041.61    0.610   327.17
2041.71    0.611   327.07
2041.81    0.611   326.96
2041.91    0.612   326.86
2042.01    0.612   326.76
2042.11    0.613   326.66
2042.21    0.613   326.55
2042.31    0.614   326.45
2042.41    0.614   326.35
2042.51    0.614   326.25
2042.61    0.615   326.15
2042.71    0.615   326.05
2042.81    0.616   325.94
2042.91    0.616   325.84
2043.01    0.616   325.74
2043.11    0.617   325.64
2043.21    0.617   325.54
2043.31    0.617   325.44
2043.41    0.618   325.34
2043.51    0.618   325.24
2043.61    0.618   325.14
2043.71    0.619   325.04
2043.81    0.619   324.94
2043.91    0.619   324.84
2044.01    0.619   324.74
2044.11    0.620   324.64
2044.21    0.620   324.54
2044.31    0.620   324.44
2044.41    0.620   324.34
2044.51    0.621   324.24
2044.61    0.621   324.14
2044.71    0.621   324.04
2044.81    0.621   323.94
2044.91    0.621   323.84
2045.01    0.621   323.74
2045.11    0.622   323.64
2045.21    0.622   323.54
2045.31    0.622   323.44
2045.41    0.622   323.35
2045.51    0.622   323.25
2045.61    0.622   323.15
2045.71    0.622   323.05
2045.81    0.622   322.95
2045.91    0.622   322.85
2046.01    0.623   322.75
2046.11    0.623   322.65
2046.21    0.623   322.55
2046.31    0.623   322.45
2046.41    0.623   322.36
2046.51    0.623   322.26
2046.61    0.623   322.16
2046.71    0.623   322.06
2046.81    0.623   321.96
2046.91    0.623   321.86
2047.01    0.623   321.76
2047.11    0.623   321.66
2047.21    0.622   321.56
2047.31    0.622   321.46
2047.41    0.622   321.37
2047.51    0.622   321.27
2047.61    0.622   321.17
2047.71    0.622   321.07
2047.81    0.622   320.97
2047.91    0.622   320.87
2048.01    0.622   320.77
2048.11    0.621   320.67
2048.21    0.621   320.57
2048.31    0.621   320.47
2048.41    0.621   320.37
2048.51    0.621   320.27
2048.61    0.621   320.17
2048.71    0.620   320.07
2048.81    0.620   319.97
2048.91    0.620   319.88
2049.01    0.620   319.78
2049.11    0.619   319.68
2049.21    0.619   319.58
2049.31    0.619   319.48
2049.41    0.618   319.37
2049.51    0.618   319.27
2049.61    0.618   319.17
2049.71    0.618   319.07
2049.81    0.617   318.97
2049.91    0.617   318.87
2050.01    0.616   318.77
2050.11    0.616   318.67
2050.21    0.616   318.57
2050.31    0.615   318.47
2050.41    0.615   318.37
2050.51    0.615   318.27
2050.61    0.614   318.16
2050.71    0.614   318.06
2050.81    0.613   317.96
2050.91    0.613   317.86
2051.01    0.612   317.76
2051.11    0.612   317.65
2051.21    0.611   317.55
2051.31    0.611   317.45
2051.41    0.610   317.34
2051.51    0.610   317.24
2051.61    0.609   317.14
2051.71    0.609   317.04
2051.81    0.608   316.93
2051.91    0.608   316.83
2052.01    0.607   316.72
2052.11    0.606   316.62
2052.21    0.606   316.51
2052.31    0.605   316.41
2052.41    0.604   316.31
2052.51    0.604   316.20
2052.61    0.603   316.10
2052.71    0.603   315.99
2052.81    0.602   315.88
2052.91    0.601   315.78
2053.01    0.600   315.67
2053.11    0.600   315.56
2053.21    0.599   315.46
2053.31    0.598   315.35
2053.41    0.598   315.24
2053.51    0.597   315.14
2053.61    0.596   315.03
2053.71    0.595   314.92
2053.81    0.594   314.81
2053.91    0.594   314.70
2054.01    0.593   314.59
2054.11    0.592   314.48
2054.21    0.591   314.38
2054.31    0.590   314.27
2054.41    0.589   314.16
2054.51    0.588   314.04
2054.61    0.588   313.93
2054.71    0.587   313.82
2054.81    0.586   313.71
2054.91    0.585   313.60
2055.01    0.584   313.49
2055.11    0.583   313.37
2055.21    0.582   313.26
2055.31    0.581   313.15
2055.41    0.580   313.03
2055.51    0.579   312.92
2055.61    0.578   312.80
2055.71    0.577   312.69
2055.81    0.576   312.57
2055.91    0.575   312.46
2056.01    0.574   312.34
2056.11    0.573   312.23
2056.21    0.572   312.11
2056.31    0.570   311.99
2056.41    0.569   311.87
2056.51    0.568   311.75
2056.61    0.567   311.63
2056.71    0.566   311.52
2056.81    0.565   311.39
2056.91    0.563   311.27
2057.01    0.562   311.15
2057.11    0.561   311.03
2057.21    0.560   310.91
2057.31    0.559   310.79
2057.41    0.557   310.66
2057.51    0.556   310.54
2057.61    0.555   310.42
2057.71    0.553   310.29
2057.81    0.552   310.17
2057.91    0.551   310.04
2058.01    0.549   309.91
2058.11    0.548   309.79
2058.21    0.547   309.66
2058.31    0.545   309.53
2058.41    0.544   309.40
2058.51    0.543   309.27
2058.61    0.541   309.14
2058.71    0.540   309.01
2058.81    0.538   308.88
2058.91    0.537   308.74
2059.01    0.535   308.61
2059.11    0.534   308.47
2059.21    0.532   308.34
2059.31    0.531   308.20
2059.41    0.529   308.07
2059.51    0.528   307.93
2059.61    0.526   307.79
2059.71    0.524   307.65






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 18:21:51



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