Double Star Calculator - Orbit

Orbital Elements for HDS36AA,AB
WDS: HDS36AA,AB WDS ID/Discoverer
P: 28.830 Orbital period (years)
a: 0.144 Semi-major axis (arcseconds)
i: 137.5 Inclination (degrees)
Ω: 61.1 Longitude of ascending node (degrees)
T: 2000.280 Epoch of periastron passage (year)
e: 0.674 Eccentricity
ω: 38.9 Longitude of periastron (degrees)
Start-Year: 2010.585 Year
End-Year: 2039.415 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS36AA,AB
Position: 001623.45-223516.5 Epoch-2000 right ascension and declination
WDS-ID: 00164-2235 WDS designation
Discoverer Code: HDS36AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 1205 HD catalog number
Hipparcos number: 1306 Hipparcos catalog number
V1: 8.24 Magnitude of the primary
V2: 9.96 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for HDS36AA,AB



WDS 6th Orbit including measures of HDS36AA,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 HDS36AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.082   131.42
--------------------------
2010.59    0.218   222.27
2010.68    0.218   221.98
2010.78    0.218   221.68
2010.88    0.219   221.39
2010.98    0.219   221.09
2011.08    0.219   220.80
2011.18    0.220   220.51
2011.28    0.220   220.21
2011.38    0.220   219.92
2011.48    0.220   219.63
2011.58    0.221   219.34
2011.68    0.221   219.05
2011.78    0.221   218.76
2011.88    0.221   218.47
2011.98    0.221   218.19
2012.08    0.221   217.90
2012.18    0.222   217.61
2012.28    0.222   217.32
2012.38    0.222   217.04
2012.48    0.222   216.75
2012.58    0.222   216.46
2012.68    0.222   216.18
2012.78    0.222   215.89
2012.88    0.222   215.60
2012.98    0.222   215.32
2013.08    0.222   215.03
2013.18    0.222   214.74
2013.28    0.221   214.45
2013.38    0.221   214.17
2013.48    0.221   213.88
2013.58    0.221   213.59
2013.68    0.221   213.30
2013.78    0.221   213.01
2013.88    0.221   212.72
2013.98    0.220   212.43
2014.08    0.220   212.14
2014.18    0.220   211.85
2014.28    0.220   211.56
2014.38    0.219   211.26
2014.48    0.219   210.97
2014.58    0.219   210.68
2014.68    0.218   210.38
2014.78    0.218   210.08
2014.88    0.218   209.79
2014.98    0.217   209.49
2015.08    0.217   209.19
2015.18    0.216   208.89
2015.28    0.216   208.59
2015.38    0.216   208.28
2015.48    0.215   207.98
2015.58    0.215   207.67
2015.68    0.214   207.37
2015.78    0.214   207.06
2015.88    0.213   206.75
2015.98    0.213   206.44
2016.08    0.212   206.13
2016.18    0.211   205.81
2016.28    0.211   205.49
2016.38    0.210   205.18
2016.48    0.210   204.86
2016.58    0.209   204.53
2016.68    0.208   204.21
2016.78    0.208   203.88
2016.88    0.207   203.56
2016.98    0.206   203.23
2017.08    0.206   202.89
2017.18    0.205   202.56
2017.28    0.204   202.22
2017.38    0.203   201.88
2017.48    0.203   201.54
2017.58    0.202   201.20
2017.68    0.201   200.85
2017.78    0.200   200.50
2017.88    0.199   200.14
2017.98    0.199   199.79
2018.08    0.198   199.43
2018.18    0.197   199.07
2018.28    0.196   198.70
2018.38    0.195   198.33
2018.48    0.194   197.96
2018.58    0.193   197.58
2018.68    0.192   197.20
2018.78    0.191   196.82
2018.88    0.190   196.43
2018.98    0.189   196.04
2019.08    0.188   195.65
2019.18    0.187   195.25
2019.28    0.186   194.84
2019.38    0.185   194.43
2019.48    0.184   194.02
2019.58    0.183   193.60
2019.68    0.182   193.18
2019.78    0.181   192.75
2019.88    0.180   192.32
2019.98    0.179   191.88
2020.08    0.178   191.43
2020.18    0.176   190.98
2020.28    0.175   190.53
2020.38    0.174   190.06
2020.48    0.173   189.59
2020.58    0.172   189.12
2020.68    0.170   188.64
2020.78    0.169   188.15
2020.88    0.168   187.65
2020.98    0.167   187.15
2021.08    0.165   186.63
2021.18    0.164   186.11
2021.28    0.163   185.58
2021.38    0.161   185.05
2021.48    0.160   184.50
2021.58    0.159   183.95
2021.68    0.157   183.38
2021.78    0.156   182.81
2021.88    0.155   182.22
2021.98    0.153   181.63
2022.08    0.152   181.02
2022.18    0.150   180.40
2022.28    0.149   179.77
2022.38    0.147   179.13
2022.48    0.146   178.47
2022.58    0.145   177.80
2022.68    0.143   177.12
2022.78    0.142   176.43
2022.88    0.140   175.71
2022.98    0.139   174.99
2023.08    0.137   174.24
2023.18    0.135   173.48
2023.28    0.134   172.71
2023.38    0.132   171.91
2023.48    0.131   171.10
2023.58    0.129   170.26
2023.68    0.128   169.41
2023.78    0.126   168.53
2023.88    0.124   167.63
2023.98    0.123   166.71
2024.08    0.121   165.76
2024.18    0.120   164.79
2024.28    0.118   163.79
2024.38    0.116   162.76
2024.48    0.115   161.71
2024.58    0.113   160.62
2024.68    0.111   159.50
2024.78    0.110   158.35
2024.88    0.108   157.16
2024.98    0.106   155.94
2025.08    0.105   154.67
2025.18    0.103   153.37
2025.28    0.102   152.02
2025.38    0.100   150.63
2025.48    0.098   149.20
2025.58    0.097   147.71
2025.68    0.095   146.18
2025.78    0.093   144.59
2025.88    0.092   142.94
2025.98    0.090   141.24
2026.08    0.089   139.47
2026.18    0.087   137.64
2026.28    0.085   135.75
2026.38    0.084   133.78
2026.48    0.082   131.74
2026.58    0.081   129.62
2026.68    0.079   127.42
2026.78    0.078   125.14
2026.88    0.076   122.77
2026.98    0.075   120.31
2027.08    0.074   117.75
2027.18    0.072   115.09
2027.28    0.071   112.33
2027.38    0.069   109.47
2027.48    0.068   106.48
2027.58    0.067   103.38
2027.68    0.065   100.16
2027.78    0.064    96.80
2027.88    0.063    93.30
2027.98    0.061    89.65
2028.08    0.060    85.84
2028.18    0.059    81.84
2028.28    0.057    77.65
2028.38    0.056    73.23
2028.48    0.054    68.55
2028.58    0.052    63.57
2028.68    0.051    58.25
2028.78    0.049    52.53
2028.88    0.047    46.34
2028.98    0.045    39.61
2029.08    0.043    32.28
2029.18    0.041    24.32
2029.28    0.040    15.73
2029.38    0.039     6.63
2029.48    0.038   357.19
2029.58    0.039   347.69
2029.68    0.040   338.45
2029.78    0.041   329.73
2029.88    0.043   321.70
2029.98    0.045   314.46
2030.08    0.048   308.01
2030.18    0.051   302.30
2030.28    0.055   297.25
2030.38    0.058   292.79
2030.48    0.061   288.82
2030.58    0.065   285.28
2030.68    0.068   282.11
2030.78    0.072   279.25
2030.88    0.076   276.66
2030.98    0.079   274.30
2031.08    0.083   272.13
2031.18    0.086   270.14
2031.28    0.089   268.31
2031.38    0.093   266.60
2031.48    0.096   265.01
2031.58    0.099   263.53
2031.68    0.102   262.13
2031.78    0.105   260.82
2031.88    0.108   259.58
2031.98    0.111   258.41
2032.08    0.114   257.30
2032.18    0.117   256.24
2032.28    0.120   255.24
2032.38    0.122   254.28
2032.48    0.125   253.36
2032.58    0.128   252.47
2032.68    0.130   251.63
2032.78    0.133   250.81
2032.88    0.135   250.03
2032.98    0.138   249.27
2033.08    0.140   248.54
2033.18    0.142   247.83
2033.28    0.145   247.15
2033.38    0.147   246.48
2033.48    0.149   245.84
2033.58    0.151   245.21
2033.68    0.153   244.60
2033.78    0.155   244.01
2033.88    0.157   243.43
2033.98    0.159   242.87
2034.08    0.161   242.31
2034.18    0.163   241.78
2034.28    0.165   241.25
2034.38    0.167   240.74
2034.48    0.168   240.23
2034.58    0.170   239.74
2034.68    0.172   239.26
2034.78    0.173   238.79
2034.88    0.175   238.32
2034.98    0.177   237.86
2035.08    0.178   237.41
2035.18    0.180   236.97
2035.28    0.181   236.54
2035.38    0.182   236.11
2035.48    0.184   235.69
2035.58    0.185   235.28
2035.68    0.187   234.87
2035.78    0.188   234.47
2035.88    0.189   234.07
2035.98    0.190   233.68
2036.08    0.192   233.29
2036.18    0.193   232.91
2036.28    0.194   232.53
2036.38    0.195   232.16
2036.48    0.196   231.79
2036.58    0.197   231.43
2036.68    0.198   231.07
2036.78    0.199   230.71
2036.88    0.200   230.36
2036.98    0.201   230.01
2037.08    0.202   229.66
2037.18    0.203   229.32
2037.28    0.204   228.98
2037.38    0.205   228.64
2037.48    0.206   228.31
2037.58    0.207   227.98
2037.68    0.207   227.65
2037.78    0.208   227.32
2037.88    0.209   227.00
2037.98    0.210   226.68
2038.08    0.210   226.36
2038.18    0.211   226.04
2038.28    0.212   225.72
2038.38    0.212   225.41
2038.48    0.213   225.10
2038.58    0.214   224.79
2038.68    0.214   224.48
2038.78    0.215   224.17
2038.88    0.215   223.87
2038.98    0.216   223.57
2039.08    0.216   223.26
2039.18    0.217   222.96
2039.28    0.217   222.66
2039.38    0.218   222.36






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 14:37:47



www.stella-vega.de