Double Star Calculator - Orbit

Orbital Elements for HEI88
WDS: HEI88 WDS ID/Discoverer
P: 33.830 Orbital period (years)
a: 0.171 Semi-major axis (arcseconds)
i: 26.5 Inclination (degrees)
Ω: 113.3 Longitude of ascending node (degrees)
T: 2002.882 Epoch of periastron passage (year)
e: 0.629 Eccentricity
ω: 273.8 Longitude of periastron (degrees)
Start-Year: 2008.085 Year
End-Year: 2041.915 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HEI88
Position: 232052.91+164239.2 Epoch-2000 right ascension and declination
WDS-ID: 23209+1643 WDS designation
Discoverer Code: HEI88 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 220077 HD catalog number
Hipparcos number: 115279 Hipparcos catalog number
V1: 9.05 Magnitude of the primary
V2: 9.84 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: n Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for HEI88



WDS 6th Orbit including measures of HEI88

-- 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 HEI88
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.226   232.40
--------------------------
2008.09    0.165   153.99
2008.18    0.167   154.78
2008.28    0.168   155.55
2008.38    0.170   156.30
2008.48    0.171   157.05
2008.58    0.173   157.78
2008.68    0.174   158.50
2008.78    0.176   159.20
2008.88    0.177   159.90
2008.98    0.179   160.58
2009.08    0.180   161.25
2009.18    0.182   161.91
2009.28    0.183   162.56
2009.38    0.184   163.21
2009.48    0.186   163.84
2009.58    0.187   164.46
2009.68    0.188   165.08
2009.78    0.190   165.68
2009.88    0.191   166.28
2009.98    0.192   166.87
2010.08    0.193   167.45
2010.18    0.195   168.03
2010.28    0.196   168.60
2010.38    0.197   169.16
2010.48    0.198   169.71
2010.58    0.199   170.26
2010.68    0.200   170.80
2010.78    0.202   171.34
2010.88    0.203   171.87
2010.98    0.204   172.40
2011.08    0.205   172.91
2011.18    0.206   173.43
2011.28    0.207   173.94
2011.38    0.208   174.44
2011.48    0.209   174.94
2011.58    0.210   175.43
2011.68    0.211   175.92
2011.78    0.212   176.41
2011.88    0.213   176.89
2011.98    0.214   177.36
2012.08    0.215   177.83
2012.18    0.216   178.30
2012.28    0.216   178.77
2012.38    0.217   179.23
2012.48    0.218   179.68
2012.58    0.219   180.13
2012.68    0.220   180.58
2012.78    0.221   181.03
2012.88    0.222   181.47
2012.98    0.222   181.91
2013.08    0.223   182.35
2013.18    0.224   182.78
2013.28    0.225   183.21
2013.38    0.225   183.64
2013.48    0.226   184.06
2013.58    0.227   184.48
2013.68    0.228   184.90
2013.78    0.228   185.32
2013.88    0.229   185.73
2013.98    0.230   186.15
2014.08    0.230   186.55
2014.18    0.231   186.96
2014.28    0.232   187.37
2014.38    0.232   187.77
2014.48    0.233   188.17
2014.58    0.234   188.57
2014.68    0.234   188.96
2014.78    0.235   189.36
2014.88    0.235   189.75
2014.98    0.236   190.14
2015.08    0.236   190.53
2015.18    0.237   190.91
2015.28    0.237   191.30
2015.38    0.238   191.68
2015.48    0.238   192.06
2015.58    0.239   192.44
2015.68    0.239   192.82
2015.78    0.240   193.20
2015.88    0.240   193.57
2015.98    0.241   193.95
2016.08    0.241   194.32
2016.18    0.242   194.69
2016.28    0.242   195.06
2016.38    0.242   195.43
2016.48    0.243   195.80
2016.58    0.243   196.17
2016.68    0.244   196.53
2016.78    0.244   196.90
2016.88    0.244   197.26
2016.98    0.245   197.62
2017.08    0.245   197.98
2017.18    0.245   198.34
2017.28    0.245   198.70
2017.38    0.246   199.06
2017.48    0.246   199.42
2017.58    0.246   199.78
2017.68    0.247   200.13
2017.78    0.247   200.49
2017.88    0.247   200.84
2017.98    0.247   201.20
2018.08    0.247   201.55
2018.18    0.248   201.91
2018.28    0.248   202.26
2018.38    0.248   202.61
2018.48    0.248   202.96
2018.58    0.248   203.31
2018.68    0.249   203.66
2018.78    0.249   204.01
2018.88    0.249   204.36
2018.98    0.249   204.71
2019.08    0.249   205.06
2019.18    0.249   205.41
2019.28    0.249   205.76
2019.38    0.249   206.11
2019.48    0.249   206.46
2019.58    0.249   206.81
2019.68    0.249   207.15
2019.78    0.249   207.50
2019.88    0.249   207.85
2019.98    0.249   208.20
2020.08    0.249   208.55
2020.18    0.249   208.89
2020.28    0.249   209.24
2020.38    0.249   209.59
2020.48    0.249   209.94
2020.58    0.249   210.29
2020.68    0.249   210.64
2020.78    0.249   210.98
2020.88    0.249   211.33
2020.98    0.249   211.68
2021.08    0.249   212.03
2021.18    0.249   212.38
2021.28    0.249   212.73
2021.38    0.248   213.08
2021.48    0.248   213.43
2021.58    0.248   213.78
2021.68    0.248   214.14
2021.78    0.248   214.49
2021.88    0.248   214.84
2021.98    0.247   215.20
2022.08    0.247   215.55
2022.18    0.247   215.90
2022.28    0.247   216.26
2022.38    0.246   216.62
2022.48    0.246   216.97
2022.58    0.246   217.33
2022.68    0.246   217.69
2022.78    0.245   218.05
2022.88    0.245   218.41
2022.98    0.245   218.77
2023.08    0.244   219.13
2023.18    0.244   219.50
2023.28    0.244   219.86
2023.38    0.243   220.23
2023.48    0.243   220.59
2023.58    0.242   220.96
2023.68    0.242   221.33
2023.78    0.242   221.70
2023.88    0.241   222.07
2023.98    0.241   222.44
2024.08    0.240   222.82
2024.18    0.240   223.19
2024.28    0.239   223.57
2024.38    0.239   223.95
2024.48    0.238   224.33
2024.58    0.238   224.71
2024.68    0.237   225.09
2024.78    0.237   225.48
2024.88    0.236   225.86
2024.98    0.236   226.25
2025.08    0.235   226.64
2025.18    0.235   227.04
2025.28    0.234   227.43
2025.38    0.233   227.83
2025.48    0.233   228.22
2025.58    0.232   228.63
2025.68    0.232   229.03
2025.78    0.231   229.43
2025.88    0.230   229.84
2025.98    0.230   230.25
2026.08    0.229   230.66
2026.18    0.228   231.08
2026.28    0.227   231.49
2026.38    0.227   231.91
2026.48    0.226   232.34
2026.58    0.225   232.76
2026.68    0.224   233.19
2026.78    0.224   233.62
2026.88    0.223   234.06
2026.98    0.222   234.50
2027.08    0.221   234.94
2027.18    0.220   235.38
2027.28    0.219   235.83
2027.38    0.219   236.28
2027.48    0.218   236.74
2027.58    0.217   237.20
2027.68    0.216   237.66
2027.78    0.215   238.13
2027.88    0.214   238.60
2027.98    0.213   239.07
2028.08    0.212   239.55
2028.18    0.211   240.04
2028.28    0.210   240.52
2028.38    0.209   241.02
2028.48    0.208   241.52
2028.58    0.207   242.02
2028.68    0.206   242.53
2028.78    0.205   243.04
2028.88    0.203   243.56
2028.98    0.202   244.09
2029.08    0.201   244.62
2029.18    0.200   245.16
2029.28    0.199   245.70
2029.38    0.198   246.25
2029.48    0.196   246.81
2029.58    0.195   247.38
2029.68    0.194   247.95
2029.78    0.193   248.53
2029.88    0.191   249.11
2029.98    0.190   249.71
2030.08    0.189   250.31
2030.18    0.187   250.92
2030.28    0.186   251.55
2030.38    0.185   252.18
2030.48    0.183   252.82
2030.58    0.182   253.47
2030.68    0.180   254.13
2030.78    0.179   254.80
2030.88    0.177   255.48
2030.98    0.176   256.17
2031.08    0.174   256.88
2031.18    0.173   257.60
2031.28    0.171   258.33
2031.38    0.170   259.08
2031.48    0.168   259.84
2031.58    0.166   260.62
2031.68    0.165   261.41
2031.78    0.163   262.22
2031.88    0.161   263.04
2031.98    0.159   263.89
2032.08    0.157   264.75
2032.18    0.156   265.63
2032.28    0.154   266.54
2032.38    0.152   267.46
2032.48    0.150   268.41
2032.58    0.148   269.39
2032.68    0.146   270.39
2032.78    0.144   271.41
2032.88    0.142   272.47
2032.98    0.140   273.56
2033.08    0.138   274.68
2033.18    0.136   275.83
2033.28    0.134   277.03
2033.38    0.131   278.26
2033.48    0.129   279.53
2033.58    0.127   280.85
2033.68    0.125   282.22
2033.78    0.122   283.64
2033.88    0.120   285.11
2033.98    0.118   286.65
2034.08    0.115   288.25
2034.18    0.113   289.92
2034.28    0.110   291.66
2034.38    0.108   293.49
2034.48    0.105   295.40
2034.58    0.102   297.42
2034.68    0.100   299.54
2034.78    0.097   301.77
2034.88    0.094   304.14
2034.98    0.092   306.64
2035.08    0.089   309.30
2035.18    0.086   312.13
2035.28    0.083   315.14
2035.38    0.081   318.36
2035.48    0.078   321.80
2035.58    0.075   325.50
2035.68    0.073   329.45
2035.78    0.070   333.70
2035.88    0.068   338.27
2035.98    0.065   343.15
2036.08    0.063   348.38
2036.18    0.061   353.94
2036.28    0.060   359.83
2036.38    0.059     6.01
2036.48    0.058    12.44
2036.58    0.057    19.04
2036.68    0.057    25.73
2036.78    0.057    32.43
2036.88    0.058    39.04
2036.98    0.058    45.47
2037.08    0.060    51.67
2037.18    0.061    57.58
2037.28    0.063    63.17
2037.38    0.065    68.42
2037.48    0.067    73.35
2037.58    0.070    77.95
2037.68    0.072    82.24
2037.78    0.075    86.24
2037.88    0.077    89.98
2037.98    0.080    93.48
2038.08    0.083    96.75
2038.18    0.085    99.82
2038.28    0.088   102.70
2038.38    0.091   105.41
2038.48    0.093   107.97
2038.58    0.096   110.39
2038.68    0.098   112.68
2038.78    0.101   114.86
2038.88    0.104   116.92
2038.98    0.106   118.89
2039.08    0.109   120.78
2039.18    0.111   122.57
2039.28    0.113   124.29
2039.38    0.116   125.94
2039.48    0.118   127.53
2039.58    0.120   129.05
2039.68    0.123   130.52
2039.78    0.125   131.94
2039.88    0.127   133.30
2039.98    0.129   134.62
2040.08    0.131   135.90
2040.18    0.133   137.13
2040.28    0.135   138.33
2040.38    0.137   139.49
2040.48    0.139   140.62
2040.58    0.141   141.72
2040.68    0.143   142.79
2040.78    0.145   143.83
2040.88    0.147   144.84
2040.98    0.149   145.83
2041.08    0.151   146.79
2041.18    0.153   147.73
2041.28    0.154   148.65
2041.38    0.156   149.54
2041.48    0.158   150.42
2041.58    0.160   151.28
2041.68    0.161   152.12
2041.78    0.163   152.94
2041.88    0.165   153.75



 

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 18:50:01


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