Double Star Calculator - Orbit

Orbital Elements for HDS1627AA,AB
WDS: HDS1627AA,AB WDS ID/Discoverer
P: 47.470 Orbital period (years)
a: 0.264 Semi-major axis (arcseconds)
i: 111.0 Inclination (degrees)
Ω: 86.0 Longitude of ascending node (degrees)
T: 1998.772 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 133.0 Longitude of periastron (degrees)
Start-Year: 2001.265 Year
End-Year: 2048.735 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS1627AA,AB
Position: 112714.58-160343.5 Epoch-2000 right ascension and declination
WDS-ID: 11272-1604 WDS designation
Discoverer Code: HDS1627AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 55884 Hipparcos catalog number
V1: 11.47 Magnitude of the primary
V2: 11.85 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2024a Reference

Double Star Orbit for HDS1627AA,AB



WDS 6th Orbit including measures of HDS1627AA,AB

-- 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 HDS1627AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.313    98.93
--------------------------
2001.27    0.173   266.61
2001.37    0.174   266.03
2001.46    0.175   265.46
2001.56    0.176   264.90
2001.66    0.177   264.35
2001.76    0.178   263.80
2001.86    0.179   263.25
2001.96    0.179   262.71
2002.06    0.180   262.17
2002.16    0.180   261.63
2002.26    0.181   261.10
2002.36    0.181   260.57
2002.46    0.181   260.04
2002.56    0.182   259.52
2002.66    0.182   258.99
2002.76    0.182   258.47
2002.86    0.182   257.94
2002.96    0.182   257.41
2003.06    0.181   256.89
2003.16    0.181   256.36
2003.26    0.181   255.83
2003.36    0.181   255.30
2003.46    0.180   254.77
2003.56    0.180   254.23
2003.66    0.179   253.69
2003.76    0.179   253.15
2003.86    0.178   252.61
2003.96    0.178   252.06
2004.06    0.177   251.51
2004.16    0.176   250.95
2004.26    0.175   250.39
2004.36    0.175   249.82
2004.46    0.174   249.25
2004.56    0.173   248.67
2004.66    0.172   248.09
2004.76    0.171   247.50
2004.86    0.170   246.90
2004.96    0.169   246.29
2005.06    0.168   245.68
2005.16    0.167   245.06
2005.26    0.166   244.43
2005.36    0.165   243.80
2005.46    0.163   243.15
2005.56    0.162   242.50
2005.66    0.161   241.83
2005.76    0.160   241.16
2005.86    0.159   240.48
2005.96    0.157   239.78
2006.06    0.156   239.07
2006.16    0.155   238.36
2006.26    0.154   237.63
2006.36    0.152   236.88
2006.46    0.151   236.13
2006.56    0.150   235.36
2006.66    0.148   234.58
2006.76    0.147   233.79
2006.86    0.146   232.98
2006.96    0.145   232.16
2007.06    0.143   231.32
2007.16    0.142   230.46
2007.26    0.141   229.59
2007.36    0.139   228.71
2007.46    0.138   227.81
2007.56    0.137   226.89
2007.66    0.136   225.95
2007.76    0.134   225.00
2007.86    0.133   224.03
2007.96    0.132   223.04
2008.06    0.131   222.03
2008.16    0.130   221.01
2008.26    0.128   219.97
2008.36    0.127   218.90
2008.46    0.126   217.82
2008.56    0.125   216.72
2008.66    0.124   215.61
2008.76    0.123   214.47
2008.86    0.122   213.31
2008.96    0.121   212.14
2009.06    0.120   210.95
2009.16    0.119   209.73
2009.26    0.118   208.51
2009.36    0.118   207.26
2009.46    0.117   206.00
2009.56    0.116   204.72
2009.66    0.115   203.43
2009.76    0.115   202.12
2009.86    0.114   200.79
2009.96    0.114   199.46
2010.06    0.113   198.11
2010.16    0.113   196.75
2010.26    0.112   195.38
2010.36    0.112   194.00
2010.46    0.112   192.61
2010.56    0.111   191.22
2010.66    0.111   189.82
2010.76    0.111   188.41
2010.86    0.111   187.01
2010.96    0.111   185.60
2011.06    0.111   184.19
2011.16    0.111   182.79
2011.26    0.111   181.38
2011.36    0.111   179.98
2011.46    0.112   178.59
2011.56    0.112   177.20
2011.66    0.112   175.82
2011.76    0.113   174.45
2011.86    0.113   173.09
2011.96    0.114   171.75
2012.06    0.114   170.41
2012.16    0.115   169.09
2012.26    0.116   167.78
2012.36    0.116   166.49
2012.46    0.117   165.22
2012.56    0.118   163.96
2012.66    0.119   162.72
2012.76    0.120   161.49
2012.86    0.121   160.29
2012.96    0.121   159.10
2013.06    0.123   157.94
2013.16    0.124   156.79
2013.26    0.125   155.66
2013.36    0.126   154.55
2013.46    0.127   153.47
2013.56    0.128   152.40
2013.66    0.129   151.35
2013.76    0.131   150.32
2013.86    0.132   149.32
2013.96    0.133   148.33
2014.06    0.135   147.36
2014.16    0.136   146.41
2014.26    0.137   145.48
2014.36    0.139   144.57
2014.46    0.140   143.67
2014.56    0.142   142.80
2014.66    0.143   141.94
2014.76    0.145   141.10
2014.86    0.146   140.28
2014.96    0.148   139.48
2015.06    0.149   138.69
2015.16    0.151   137.92
2015.26    0.152   137.16
2015.36    0.154   136.42
2015.46    0.156   135.70
2015.56    0.157   134.99
2015.66    0.159   134.29
2015.76    0.161   133.61
2015.86    0.162   132.95
2015.96    0.164   132.29
2016.06    0.166   131.65
2016.16    0.167   131.02
2016.26    0.169   130.41
2016.36    0.171   129.81
2016.46    0.172   129.22
2016.56    0.174   128.64
2016.66    0.176   128.07
2016.76    0.177   127.51
2016.86    0.179   126.97
2016.96    0.181   126.43
2017.06    0.183   125.90
2017.16    0.184   125.39
2017.26    0.186   124.88
2017.36    0.188   124.39
2017.46    0.189   123.90
2017.56    0.191   123.42
2017.66    0.193   122.95
2017.76    0.195   122.49
2017.86    0.196   122.03
2017.96    0.198   121.59
2018.06    0.200   121.15
2018.16    0.202   120.72
2018.26    0.203   120.29
2018.36    0.205   119.88
2018.46    0.207   119.47
2018.56    0.208   119.06
2018.66    0.210   118.67
2018.76    0.212   118.28
2018.86    0.214   117.89
2018.96    0.215   117.52
2019.06    0.217   117.14
2019.16    0.219   116.78
2019.26    0.220   116.42
2019.36    0.222   116.06
2019.46    0.224   115.71
2019.56    0.225   115.37
2019.66    0.227   115.03
2019.76    0.229   114.69
2019.86    0.230   114.36
2019.96    0.232   114.04
2020.06    0.233   113.72
2020.16    0.235   113.40
2020.26    0.237   113.09
2020.36    0.238   112.78
2020.46    0.240   112.48
2020.56    0.241   112.18
2020.66    0.243   111.88
2020.76    0.245   111.59
2020.86    0.246   111.30
2020.96    0.248   111.02
2021.06    0.249   110.74
2021.16    0.251   110.46
2021.26    0.252   110.18
2021.36    0.254   109.91
2021.46    0.255   109.64
2021.56    0.257   109.38
2021.66    0.258   109.12
2021.76    0.260   108.86
2021.86    0.261   108.60
2021.96    0.262   108.35
2022.06    0.264   108.10
2022.16    0.265   107.85
2022.26    0.267   107.61
2022.36    0.268   107.36
2022.46    0.269   107.12
2022.56    0.271   106.88
2022.66    0.272   106.65
2022.76    0.274   106.42
2022.86    0.275   106.18
2022.96    0.276   105.96
2023.06    0.277   105.73
2023.16    0.279   105.50
2023.26    0.280   105.28
2023.36    0.281   105.06
2023.46    0.282   104.84
2023.56    0.284   104.63
2023.66    0.285   104.41
2023.76    0.286   104.20
2023.86    0.287   103.99
2023.96    0.288   103.78
2024.06    0.290   103.57
2024.16    0.291   103.36
2024.26    0.292   103.16
2024.36    0.293   102.96
2024.46    0.294   102.76
2024.56    0.295   102.56
2024.66    0.296   102.36
2024.76    0.297   102.16
2024.86    0.298   101.96
2024.96    0.299   101.77
2025.06    0.300   101.58
2025.16    0.301   101.38
2025.26    0.302   101.19
2025.36    0.303   101.00
2025.46    0.304   100.82
2025.56    0.305   100.63
2025.66    0.306   100.44
2025.76    0.307   100.26
2025.86    0.308   100.07
2025.96    0.309    99.89
2026.06    0.309    99.71
2026.16    0.310    99.53
2026.26    0.311    99.35
2026.36    0.312    99.17
2026.46    0.313    98.99
2026.56    0.313    98.81
2026.66    0.314    98.64
2026.76    0.315    98.46
2026.86    0.315    98.29
2026.96    0.316    98.11
2027.06    0.317    97.94
2027.16    0.317    97.77
2027.26    0.318    97.59
2027.36    0.319    97.42
2027.46    0.319    97.25
2027.56    0.320    97.08
2027.66    0.320    96.91
2027.76    0.321    96.74
2027.86    0.321    96.58
2027.96    0.322    96.41
2028.06    0.322    96.24
2028.16    0.323    96.07
2028.26    0.323    95.91
2028.36    0.323    95.74
2028.46    0.324    95.57
2028.56    0.324    95.41
2028.66    0.324    95.24
2028.76    0.325    95.08
2028.86    0.325    94.91
2028.96    0.325    94.75
2029.06    0.325    94.59
2029.16    0.326    94.42
2029.26    0.326    94.26
2029.36    0.326    94.09
2029.46    0.326    93.93
2029.56    0.326    93.77
2029.66    0.326    93.61
2029.76    0.327    93.44
2029.86    0.327    93.28
2029.96    0.327    93.12
2030.06    0.327    92.95
2030.16    0.327    92.79
2030.26    0.327    92.63
2030.36    0.327    92.47
2030.46    0.326    92.30
2030.56    0.326    92.14
2030.66    0.326    91.98
2030.76    0.326    91.81
2030.86    0.326    91.65
2030.96    0.326    91.49
2031.06    0.325    91.32
2031.16    0.325    91.16
2031.26    0.325    90.99
2031.36    0.325    90.83
2031.46    0.324    90.67
2031.56    0.324    90.50
2031.66    0.324    90.33
2031.76    0.323    90.17
2031.86    0.323    90.00
2031.96    0.322    89.83
2032.06    0.322    89.67
2032.16    0.321    89.50
2032.26    0.321    89.33
2032.36    0.320    89.16
2032.46    0.319    88.99
2032.56    0.319    88.82
2032.66    0.318    88.65
2032.76    0.317    88.48
2032.86    0.317    88.31
2032.96    0.316    88.13
2033.06    0.315    87.96
2033.16    0.314    87.78
2033.26    0.314    87.61
2033.36    0.313    87.43
2033.46    0.312    87.25
2033.56    0.311    87.07
2033.66    0.310    86.89
2033.76    0.309    86.71
2033.86    0.308    86.53
2033.96    0.307    86.35
2034.06    0.306    86.16
2034.16    0.305    85.97
2034.26    0.304    85.79
2034.36    0.302    85.60
2034.46    0.301    85.41
2034.56    0.300    85.22
2034.66    0.299    85.02
2034.76    0.298    84.83
2034.86    0.296    84.63
2034.96    0.295    84.43
2035.06    0.293    84.23
2035.16    0.292    84.03
2035.26    0.291    83.82
2035.36    0.289    83.62
2035.46    0.288    83.41
2035.56    0.286    83.20
2035.66    0.284    82.98
2035.76    0.283    82.77
2035.86    0.281    82.55
2035.96    0.279    82.33
2036.06    0.278    82.10
2036.16    0.276    81.88
2036.26    0.274    81.65
2036.36    0.272    81.41
2036.46    0.270    81.18
2036.56    0.268    80.94
2036.66    0.266    80.70
2036.76    0.264    80.45
2036.86    0.262    80.20
2036.96    0.260    79.94
2037.06    0.258    79.69
2037.16    0.256    79.42
2037.26    0.254    79.16
2037.36    0.252    78.89
2037.46    0.249    78.61
2037.56    0.247    78.33
2037.66    0.245    78.04
2037.76    0.242    77.75
2037.86    0.240    77.45
2037.96    0.238    77.14
2038.06    0.235    76.83
2038.16    0.233    76.52
2038.26    0.230    76.19
2038.36    0.227    75.86
2038.46    0.225    75.52
2038.56    0.222    75.17
2038.66    0.219    74.82
2038.76    0.217    74.45
2038.86    0.214    74.07
2038.96    0.211    73.69
2039.06    0.208    73.29
2039.16    0.205    72.89
2039.26    0.202    72.47
2039.36    0.199    72.04
2039.46    0.196    71.59
2039.56    0.193    71.13
2039.66    0.190    70.66
2039.76    0.187    70.17
2039.86    0.184    69.67
2039.96    0.180    69.14
2040.06    0.177    68.60
2040.16    0.174    68.04
2040.26    0.171    67.45
2040.36    0.167    66.84
2040.46    0.164    66.21
2040.56    0.160    65.55
2040.66    0.157    64.86
2040.76    0.154    64.14
2040.86    0.150    63.39
2040.96    0.147    62.60
2041.06    0.143    61.77
2041.16    0.140    60.90
2041.26    0.136    59.99
2041.36    0.132    59.02
2041.46    0.129    58.00
2041.56    0.125    56.93
2041.66    0.122    55.79
2041.76    0.118    54.58
2041.86    0.114    53.29
2041.96    0.111    51.92
2042.06    0.107    50.46
2042.16    0.104    48.90
2042.26    0.100    47.23
2042.36    0.097    45.44
2042.46    0.093    43.52
2042.56    0.090    41.46
2042.66    0.087    39.24
2042.76    0.084    36.86
2042.86    0.081    34.29
2042.96    0.078    31.52
2043.06    0.075    28.55
2043.16    0.072    25.36
2043.26    0.070    21.94
2043.36    0.068    18.30
2043.46    0.066    14.43
2043.56    0.065    10.36
2043.66    0.063     6.10
2043.76    0.062     1.68
2043.86    0.062   357.15
2043.96    0.061   352.54
2044.06    0.061   347.92
2044.16    0.062   343.34
2044.26    0.063   338.85
2044.36    0.064   334.50
2044.46    0.065   330.31
2044.56    0.067   326.31
2044.66    0.069   322.54
2044.76    0.071   318.98
2044.86    0.073   315.65
2044.96    0.076   312.53
2045.06    0.079   309.63
2045.16    0.082   306.92
2045.26    0.085   304.40
2045.36    0.088   302.06
2045.46    0.091   299.87
2045.56    0.094   297.84
2045.66    0.097   295.93
2045.76    0.100   294.15
2045.86    0.104   292.48
2045.96    0.107   290.91
2046.06    0.110   289.43
2046.16    0.113   288.04
2046.26    0.116   286.73
2046.36    0.120   285.48
2046.46    0.123   284.30
2046.56    0.126   283.17
2046.66    0.129   282.10
2046.76    0.132   281.08
2046.86    0.135   280.10
2046.96    0.137   279.16
2047.06    0.140   278.26
2047.16    0.143   277.39
2047.26    0.145   276.55
2047.36    0.148   275.74
2047.46    0.150   274.96
2047.56    0.153   274.21
2047.66    0.155   273.47
2047.76    0.157   272.76
2047.86    0.159   272.06
2047.96    0.161   271.38
2048.06    0.163   270.72
2048.16    0.165   270.07
2048.26    0.166   269.44
2048.36    0.168   268.82
2048.46    0.169   268.21
2048.56    0.171   267.61
2048.66    0.172   267.02






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 16:38:44



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