Double Star Calculator - Orbit

Orbital Elements for HDS1672
WDS: HDS1672 WDS ID/Discoverer
P: 53.240 Orbital period (years)
a: 0.332 Semi-major axis (arcseconds)
i: 42.0 Inclination (degrees)
Ω: 236.4 Longitude of ascending node (degrees)
T: 2008.921 Epoch of periastron passage (year)
e: 0.784 Eccentricity
ω: 100.0 Longitude of periastron (degrees)
Start-Year: 1998.38 Year
End-Year: 2051.62 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS1672
Position: 115124.85+114818.6 Epoch-2000 right ascension and declination
WDS-ID: 11514+1148 WDS designation
Discoverer Code: HDS1672 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 102988 HD catalog number
Hipparcos number: 57821 Hipparcos catalog number
V1: 7.18 Magnitude of the primary
V2: 10.92 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 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: Tok2018e Reference

Double Star Orbit for HDS1672



WDS 6th Orbit including measures of HDS1672

-- 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 HDS1672
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.405   142.89
--------------------------
1998.38    0.364   190.83
1998.48    0.362   191.09
1998.58    0.361   191.36
1998.68    0.360   191.62
1998.78    0.358   191.89
1998.88    0.357   192.16
1998.98    0.355   192.43
1999.08    0.354   192.70
1999.18    0.352   192.98
1999.28    0.351   193.25
1999.38    0.349   193.54
1999.48    0.348   193.82
1999.58    0.346   194.10
1999.68    0.345   194.39
1999.78    0.343   194.68
1999.88    0.342   194.98
1999.98    0.340   195.27
2000.08    0.338   195.57
2000.18    0.337   195.87
2000.28    0.335   196.18
2000.38    0.333   196.48
2000.48    0.332   196.80
2000.58    0.330   197.11
2000.68    0.328   197.43
2000.78    0.326   197.75
2000.88    0.325   198.07
2000.98    0.323   198.40
2001.08    0.321   198.73
2001.18    0.319   199.07
2001.28    0.317   199.41
2001.38    0.315   199.75
2001.48    0.313   200.10
2001.58    0.311   200.45
2001.68    0.309   200.81
2001.78    0.307   201.17
2001.88    0.305   201.54
2001.98    0.303   201.91
2002.08    0.301   202.29
2002.18    0.299   202.67
2002.28    0.297   203.06
2002.38    0.295   203.45
2002.48    0.292   203.85
2002.58    0.290   204.25
2002.68    0.288   204.67
2002.78    0.286   205.08
2002.88    0.283   205.51
2002.98    0.281   205.94
2003.08    0.279   206.38
2003.18    0.276   206.83
2003.28    0.274   207.28
2003.38    0.271   207.74
2003.48    0.269   208.21
2003.58    0.266   208.70
2003.68    0.264   209.19
2003.78    0.261   209.68
2003.88    0.258   210.19
2003.98    0.256   210.72
2004.08    0.253   211.25
2004.18    0.250   211.79
2004.28    0.247   212.35
2004.38    0.244   212.92
2004.48    0.241   213.50
2004.58    0.238   214.10
2004.68    0.235   214.71
2004.78    0.232   215.34
2004.88    0.229   215.98
2004.98    0.226   216.65
2005.08    0.223   217.33
2005.18    0.219   218.03
2005.28    0.216   218.76
2005.38    0.213   219.50
2005.48    0.209   220.28
2005.58    0.206   221.08
2005.68    0.202   221.90
2005.78    0.198   222.76
2005.88    0.195   223.65
2005.98    0.191   224.58
2006.08    0.187   225.54
2006.18    0.183   226.55
2006.28    0.179   227.60
2006.38    0.174   228.71
2006.48    0.170   229.86
2006.58    0.166   231.08
2006.68    0.161   232.37
2006.78    0.157   233.73
2006.88    0.152   235.17
2006.98    0.147   236.71
2007.08    0.142   238.35
2007.18    0.137   240.12
2007.28    0.132   242.02
2007.38    0.127   244.08
2007.48    0.121   246.32
2007.58    0.115   248.78
2007.68    0.110   251.50
2007.78    0.104   254.52
2007.88    0.098   257.90
2007.98    0.092   261.72
2008.08    0.086   266.09
2008.18    0.080   271.11
2008.28    0.074   276.94
2008.38    0.068   283.75
2008.48    0.063   291.71
2008.58    0.059   300.94
2008.68    0.056   311.42
2008.78    0.054   322.91
2008.88    0.054   334.87
2008.98    0.055   346.61
2009.08    0.058   357.54
2009.18    0.061     7.29
2009.28    0.066    15.79
2009.38    0.071    23.13
2009.48    0.077    29.45
2009.58    0.082    34.93
2009.68    0.088    39.72
2009.78    0.093    43.94
2009.88    0.098    47.70
2009.98    0.104    51.08
2010.08    0.109    54.13
2010.18    0.114    56.92
2010.28    0.118    59.48
2010.38    0.123    61.84
2010.48    0.127    64.04
2010.58    0.132    66.08
2010.68    0.136    68.00
2010.78    0.140    69.81
2010.88    0.144    71.51
2010.98    0.148    73.12
2011.08    0.152    74.65
2011.18    0.155    76.11
2011.28    0.159    77.50
2011.38    0.163    78.83
2011.48    0.166    80.10
2011.58    0.169    81.32
2011.68    0.173    82.50
2011.78    0.176    83.63
2011.88    0.179    84.72
2011.98    0.182    85.78
2012.08    0.185    86.79
2012.18    0.188    87.78
2012.28    0.191    88.74
2012.38    0.194    89.66
2012.48    0.197    90.56
2012.58    0.200    91.44
2012.68    0.202    92.29
2012.78    0.205    93.12
2012.88    0.208    93.92
2012.98    0.210    94.71
2013.08    0.213    95.48
2013.18    0.216    96.22
2013.28    0.218    96.96
2013.38    0.221    97.67
2013.48    0.223    98.37
2013.58    0.225    99.05
2013.68    0.228    99.72
2013.78    0.230   100.38
2013.88    0.232   101.02
2013.98    0.235   101.65
2014.08    0.237   102.27
2014.18    0.239   102.88
2014.28    0.241   103.47
2014.38    0.244   104.06
2014.48    0.246   104.63
2014.58    0.248   105.19
2014.68    0.250   105.75
2014.78    0.252   106.29
2014.88    0.254   106.83
2014.98    0.256   107.36
2015.08    0.258   107.88
2015.18    0.260   108.39
2015.28    0.262   108.89
2015.38    0.264   109.39
2015.48    0.266   109.87
2015.58    0.268   110.36
2015.68    0.270   110.83
2015.78    0.272   111.30
2015.88    0.274   111.76
2015.98    0.276   112.22
2016.08    0.278   112.66
2016.18    0.279   113.11
2016.28    0.281   113.55
2016.38    0.283   113.98
2016.48    0.285   114.40
2016.58    0.287   114.83
2016.68    0.288   115.24
2016.78    0.290   115.65
2016.88    0.292   116.06
2016.98    0.293   116.46
2017.08    0.295   116.86
2017.18    0.297   117.25
2017.28    0.298   117.64
2017.38    0.300   118.02
2017.48    0.302   118.40
2017.58    0.303   118.78
2017.68    0.305   119.15
2017.78    0.306   119.52
2017.88    0.308   119.88
2017.98    0.310   120.24
2018.08    0.311   120.60
2018.18    0.313   120.95
2018.28    0.314   121.30
2018.38    0.316   121.65
2018.48    0.317   121.99
2018.58    0.319   122.33
2018.68    0.320   122.67
2018.78    0.322   123.00
2018.88    0.323   123.33
2018.98    0.324   123.66
2019.08    0.326   123.99
2019.18    0.327   124.31
2019.28    0.329   124.63
2019.38    0.330   124.95
2019.48    0.331   125.26
2019.58    0.333   125.57
2019.68    0.334   125.88
2019.78    0.336   126.19
2019.88    0.337   126.49
2019.98    0.338   126.79
2020.08    0.340   127.09
2020.18    0.341   127.39
2020.28    0.342   127.69
2020.38    0.343   127.98
2020.48    0.345   128.27
2020.58    0.346   128.56
2020.68    0.347   128.84
2020.78    0.348   129.13
2020.88    0.350   129.41
2020.98    0.351   129.69
2021.08    0.352   129.97
2021.18    0.353   130.24
2021.28    0.355   130.52
2021.38    0.356   130.79
2021.48    0.357   131.06
2021.58    0.358   131.33
2021.68    0.359   131.60
2021.78    0.360   131.86
2021.88    0.362   132.13
2021.98    0.363   132.39
2022.08    0.364   132.65
2022.18    0.365   132.91
2022.28    0.366   133.17
2022.38    0.367   133.42
2022.48    0.368   133.68
2022.58    0.369   133.93
2022.68    0.370   134.18
2022.78    0.371   134.43
2022.88    0.372   134.68
2022.98    0.373   134.93
2023.08    0.375   135.17
2023.18    0.376   135.42
2023.28    0.377   135.66
2023.38    0.378   135.90
2023.48    0.379   136.14
2023.58    0.380   136.38
2023.68    0.381   136.62
2023.78    0.382   136.86
2023.88    0.382   137.09
2023.98    0.383   137.33
2024.08    0.384   137.56
2024.18    0.385   137.79
2024.28    0.386   138.02
2024.38    0.387   138.25
2024.48    0.388   138.48
2024.58    0.389   138.71
2024.68    0.390   138.94
2024.78    0.391   139.16
2024.88    0.392   139.39
2024.98    0.393   139.61
2025.08    0.393   139.83
2025.18    0.394   140.05
2025.28    0.395   140.28
2025.38    0.396   140.49
2025.48    0.397   140.71
2025.58    0.398   140.93
2025.68    0.399   141.15
2025.78    0.399   141.36
2025.88    0.400   141.58
2025.98    0.401   141.79
2026.08    0.402   142.01
2026.18    0.403   142.22
2026.28    0.403   142.43
2026.38    0.404   142.64
2026.48    0.405   142.85
2026.58    0.406   143.06
2026.68    0.406   143.27
2026.78    0.407   143.48
2026.88    0.408   143.68
2026.98    0.409   143.89
2027.08    0.409   144.10
2027.18    0.410   144.30
2027.28    0.411   144.51
2027.38    0.412   144.71
2027.48    0.412   144.91
2027.58    0.413   145.11
2027.68    0.414   145.31
2027.78    0.414   145.52
2027.88    0.415   145.72
2027.98    0.416   145.91
2028.08    0.416   146.11
2028.18    0.417   146.31
2028.28    0.418   146.51
2028.38    0.418   146.71
2028.48    0.419   146.90
2028.58    0.419   147.10
2028.68    0.420   147.29
2028.78    0.421   147.49
2028.88    0.421   147.68
2028.98    0.422   147.88
2029.08    0.422   148.07
2029.18    0.423   148.26
2029.28    0.424   148.45
2029.38    0.424   148.64
2029.48    0.425   148.84
2029.58    0.425   149.03
2029.68    0.426   149.22
2029.78    0.426   149.41
2029.88    0.427   149.59
2029.98    0.427   149.78
2030.08    0.428   149.97
2030.18    0.428   150.16
2030.28    0.429   150.35
2030.38    0.429   150.53
2030.48    0.430   150.72
2030.58    0.430   150.91
2030.68    0.431   151.09
2030.78    0.431   151.28
2030.88    0.432   151.46
2030.98    0.432   151.65
2031.08    0.433   151.83
2031.18    0.433   152.01
2031.28    0.433   152.20
2031.38    0.434   152.38
2031.48    0.434   152.56
2031.58    0.435   152.74
2031.68    0.435   152.93
2031.78    0.435   153.11
2031.88    0.436   153.29
2031.98    0.436   153.47
2032.08    0.437   153.65
2032.18    0.437   153.83
2032.28    0.437   154.01
2032.38    0.438   154.19
2032.48    0.438   154.37
2032.58    0.438   154.55
2032.68    0.439   154.73
2032.78    0.439   154.90
2032.88    0.439   155.08
2032.98    0.440   155.26
2033.08    0.440   155.44
2033.18    0.440   155.62
2033.28    0.441   155.79
2033.38    0.441   155.97
2033.48    0.441   156.15
2033.58    0.441   156.32
2033.68    0.442   156.50
2033.78    0.442   156.68
2033.88    0.442   156.85
2033.98    0.443   157.03
2034.08    0.443   157.20
2034.18    0.443   157.38
2034.28    0.443   157.55
2034.38    0.443   157.73
2034.48    0.444   157.90
2034.58    0.444   158.08
2034.68    0.444   158.25
2034.78    0.444   158.43
2034.88    0.444   158.60
2034.98    0.445   158.77
2035.08    0.445   158.95
2035.18    0.445   159.12
2035.28    0.445   159.30
2035.38    0.445   159.47
2035.48    0.445   159.64
2035.58    0.446   159.82
2035.68    0.446   159.99
2035.78    0.446   160.16
2035.88    0.446   160.33
2035.98    0.446   160.51
2036.08    0.446   160.68
2036.18    0.446   160.85
2036.28    0.446   161.03
2036.38    0.446   161.20
2036.48    0.447   161.37
2036.58    0.447   161.54
2036.68    0.447   161.72
2036.78    0.447   161.89
2036.88    0.447   162.06
2036.98    0.447   162.23
2037.08    0.447   162.40
2037.18    0.447   162.58
2037.28    0.447   162.75
2037.38    0.447   162.92
2037.48    0.447   163.09
2037.58    0.447   163.27
2037.68    0.447   163.44
2037.78    0.447   163.61
2037.88    0.447   163.78
2037.98    0.447   163.95
2038.08    0.447   164.13
2038.18    0.447   164.30
2038.28    0.447   164.47
2038.38    0.447   164.64
2038.48    0.447   164.82
2038.58    0.447   164.99
2038.68    0.446   165.16
2038.78    0.446   165.33
2038.88    0.446   165.51
2038.98    0.446   165.68
2039.08    0.446   165.85
2039.18    0.446   166.02
2039.28    0.446   166.20
2039.38    0.446   166.37
2039.48    0.446   166.54
2039.58    0.445   166.72
2039.68    0.445   166.89
2039.78    0.445   167.06
2039.88    0.445   167.24
2039.98    0.445   167.41
2040.08    0.445   167.58
2040.18    0.444   167.76
2040.28    0.444   167.93
2040.38    0.444   168.11
2040.48    0.444   168.28
2040.58    0.444   168.46
2040.68    0.443   168.63
2040.78    0.443   168.81
2040.88    0.443   168.98
2040.98    0.443   169.16
2041.08    0.442   169.33
2041.18    0.442   169.51
2041.28    0.442   169.68
2041.38    0.442   169.86
2041.48    0.441   170.04
2041.58    0.441   170.21
2041.68    0.441   170.39
2041.78    0.440   170.57
2041.88    0.440   170.74
2041.98    0.440   170.92
2042.08    0.439   171.10
2042.18    0.439   171.28
2042.28    0.439   171.46
2042.38    0.438   171.64
2042.48    0.438   171.82
2042.58    0.438   171.99
2042.68    0.437   172.17
2042.78    0.437   172.35
2042.88    0.436   172.53
2042.98    0.436   172.72
2043.08    0.436   172.90
2043.18    0.435   173.08
2043.28    0.435   173.26
2043.38    0.434   173.44
2043.48    0.434   173.62
2043.58    0.433   173.81
2043.68    0.433   173.99
2043.78    0.432   174.17
2043.88    0.432   174.36
2043.98    0.431   174.54
2044.08    0.431   174.73
2044.18    0.430   174.91
2044.28    0.430   175.10
2044.38    0.429   175.29
2044.48    0.429   175.47
2044.58    0.428   175.66
2044.68    0.428   175.85
2044.78    0.427   176.03
2044.88    0.427   176.22
2044.98    0.426   176.41
2045.08    0.425   176.60
2045.18    0.425   176.79
2045.28    0.424   176.98
2045.38    0.424   177.17
2045.48    0.423   177.37
2045.58    0.422   177.56
2045.68    0.422   177.75
2045.78    0.421   177.95
2045.88    0.420   178.14
2045.98    0.420   178.33
2046.08    0.419   178.53
2046.18    0.418   178.73
2046.28    0.418   178.92
2046.38    0.417   179.12
2046.48    0.416   179.32
2046.58    0.415   179.52
2046.68    0.415   179.72
2046.78    0.414   179.92
2046.88    0.413   180.12
2046.98    0.412   180.32
2047.08    0.412   180.52
2047.18    0.411   180.73
2047.28    0.410   180.93
2047.38    0.409   181.14
2047.48    0.408   181.34
2047.58    0.408   181.55
2047.68    0.407   181.75
2047.78    0.406   181.96
2047.88    0.405   182.17
2047.98    0.404   182.38
2048.08    0.403   182.59
2048.18    0.402   182.81
2048.28    0.401   183.02
2048.38    0.400   183.23
2048.48    0.400   183.45
2048.58    0.399   183.66
2048.68    0.398   183.88
2048.78    0.397   184.10
2048.88    0.396   184.32
2048.98    0.395   184.54
2049.08    0.394   184.76
2049.18    0.393   184.98
2049.28    0.392   185.20
2049.38    0.391   185.43
2049.48    0.390   185.65
2049.58    0.388   185.88
2049.68    0.387   186.11
2049.78    0.386   186.34
2049.88    0.385   186.57
2049.98    0.384   186.80
2050.08    0.383   187.04
2050.18    0.382   187.27
2050.28    0.381   187.51
2050.38    0.379   187.75
2050.48    0.378   187.99
2050.58    0.377   188.23
2050.68    0.376   188.47
2050.78    0.375   188.71
2050.88    0.373   188.96
2050.98    0.372   189.21
2051.08    0.371   189.46
2051.18    0.370   189.71
2051.28    0.368   189.96
2051.38    0.367   190.21
2051.48    0.366   190.47
2051.58    0.364   190.73






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 16:41:53



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