Double Star Calculator - Orbit

Orbital Elements for HO295AB
WDS: HO295AB WDS ID/Discoverer
P: 30.127 Orbital period (years)
a: 0.3361 Semi-major axis (arcseconds)
i: 88.28 Inclination (degrees)
Ω: 154.25 Longitude of ascending node (degrees)
T: 2010.179 Epoch of periastron passage (year)
e: 0.324 Eccentricity
ω: 84.92 Longitude of periastron (degrees)
Start-Year: 2009.9365 Year
End-Year: 2040.0635 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HO295AB
Position: 223847.47+441849.9 Epoch-2000 right ascension and declination
WDS-ID: 22388+4419 WDS designation
Discoverer Code: HO295AB Discover designation and components
ADS number: 16138 Aitken Double Star catalog
HD number: 214608 HD catalog number
Hipparcos number: 111805 Hipparcos catalog number
V1: 7.48 Magnitude of the primary
V2: 7.98 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2017a Reference

Double Star Orbit for HO295AB



WDS 6th Orbit including measures of HO295AB

-- 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 HO295AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.027   124.90
--------------------------
2009.94    0.044   162.97
2010.04    0.035   165.47
2010.14    0.025   169.86
2010.24    0.016   179.40
2010.34    0.008   209.67
2010.44    0.009   280.99
2010.54    0.016   309.63
2010.64    0.026   318.81
2010.74    0.035   323.09
2010.84    0.045   325.54
2010.94    0.054   327.12
2011.04    0.064   328.24
2011.14    0.073   329.06
2011.24    0.082   329.70
2011.34    0.092   330.20
2011.44    0.101   330.62
2011.54    0.110   330.97
2011.64    0.119   331.26
2011.74    0.127   331.51
2011.84    0.136   331.74
2011.94    0.144   331.93
2012.04    0.153   332.11
2012.14    0.161   332.26
2012.24    0.169   332.40
2012.34    0.176   332.53
2012.44    0.184   332.65
2012.54    0.191   332.76
2012.64    0.198   332.86
2012.74    0.205   332.95
2012.84    0.212   333.04
2012.94    0.218   333.13
2013.04    0.225   333.20
2013.14    0.231   333.28
2013.24    0.237   333.35
2013.34    0.243   333.41
2013.44    0.248   333.48
2013.54    0.253   333.54
2013.64    0.259   333.60
2013.74    0.264   333.65
2013.84    0.268   333.71
2013.94    0.273   333.76
2014.04    0.277   333.81
2014.14    0.281   333.86
2014.24    0.285   333.91
2014.34    0.289   333.95
2014.44    0.292   334.00
2014.54    0.296   334.04
2014.64    0.299   334.09
2014.74    0.302   334.13
2014.84    0.305   334.17
2014.94    0.307   334.21
2015.04    0.310   334.25
2015.14    0.312   334.29
2015.24    0.314   334.33
2015.34    0.316   334.37
2015.44    0.318   334.41
2015.54    0.320   334.45
2015.64    0.321   334.48
2015.74    0.322   334.52
2015.84    0.324   334.56
2015.94    0.325   334.59
2016.04    0.326   334.63
2016.14    0.326   334.67
2016.24    0.327   334.70
2016.34    0.327   334.74
2016.44    0.328   334.77
2016.54    0.328   334.81
2016.64    0.328   334.84
2016.74    0.328   334.88
2016.84    0.327   334.92
2016.94    0.327   334.95
2017.04    0.327   334.99
2017.14    0.326   335.02
2017.24    0.325   335.06
2017.34    0.325   335.10
2017.44    0.324   335.13
2017.54    0.323   335.17
2017.64    0.321   335.21
2017.74    0.320   335.24
2017.84    0.319   335.28
2017.94    0.317   335.32
2018.04    0.316   335.36
2018.14    0.314   335.40
2018.24    0.312   335.43
2018.34    0.310   335.47
2018.44    0.309   335.51
2018.54    0.306   335.56
2018.64    0.304   335.60
2018.74    0.302   335.64
2018.84    0.300   335.68
2018.94    0.297   335.72
2019.04    0.295   335.77
2019.14    0.292   335.81
2019.24    0.290   335.86
2019.34    0.287   335.90
2019.44    0.284   335.95
2019.54    0.281   336.00
2019.64    0.279   336.05
2019.74    0.276   336.10
2019.84    0.273   336.15
2019.94    0.269   336.20
2020.04    0.266   336.25
2020.14    0.263   336.31
2020.24    0.260   336.36
2020.34    0.256   336.42
2020.44    0.253   336.48
2020.54    0.249   336.54
2020.64    0.246   336.60
2020.74    0.242   336.67
2020.84    0.238   336.73
2020.94    0.235   336.80
2021.04    0.231   336.87
2021.14    0.227   336.95
2021.24    0.223   337.02
2021.34    0.219   337.10
2021.44    0.215   337.18
2021.54    0.211   337.27
2021.64    0.207   337.35
2021.74    0.203   337.44
2021.84    0.199   337.54
2021.94    0.195   337.64
2022.04    0.191   337.74
2022.14    0.186   337.85
2022.24    0.182   337.96
2022.34    0.178   338.08
2022.44    0.173   338.20
2022.54    0.169   338.34
2022.64    0.165   338.47
2022.74    0.160   338.62
2022.84    0.156   338.77
2022.94    0.151   338.94
2023.04    0.147   339.11
2023.14    0.142   339.29
2023.24    0.137   339.49
2023.34    0.133   339.70
2023.44    0.128   339.93
2023.54    0.123   340.17
2023.64    0.119   340.43
2023.74    0.114   340.71
2023.84    0.109   341.02
2023.94    0.104   341.36
2024.04    0.100   341.73
2024.14    0.095   342.13
2024.24    0.090   342.58
2024.34    0.085   343.08
2024.44    0.080   343.64
2024.54    0.076   344.27
2024.64    0.071   344.99
2024.74    0.066   345.81
2024.84    0.061   346.77
2024.94    0.056   347.89
2025.04    0.051   349.21
2025.14    0.047   350.81
2025.24    0.042   352.77
2025.34    0.037   355.24
2025.44    0.033   358.41
2025.54    0.028     2.60
2025.64    0.024     8.35
2025.74    0.020    16.50
2025.84    0.016    28.31
2025.94    0.014    45.01
2026.04    0.013    65.82
2026.14    0.014    86.25
2026.24    0.017   102.24
2026.34    0.020   113.46
2026.44    0.024   121.21
2026.54    0.029   126.70
2026.64    0.033   130.73
2026.74    0.038   133.79
2026.84    0.043   136.17
2026.94    0.047   138.08
2027.04    0.052   139.63
2027.14    0.057   140.93
2027.24    0.062   142.02
2027.34    0.067   142.95
2027.44    0.071   143.76
2027.54    0.076   144.47
2027.64    0.081   145.09
2027.74    0.086   145.64
2027.84    0.091   146.13
2027.94    0.095   146.57
2028.04    0.100   146.97
2028.14    0.105   147.34
2028.24    0.110   147.67
2028.34    0.114   147.98
2028.44    0.119   148.26
2028.54    0.124   148.52
2028.64    0.129   148.76
2028.74    0.133   148.98
2028.84    0.138   149.19
2028.94    0.142   149.39
2029.04    0.147   149.57
2029.14    0.151   149.74
2029.24    0.156   149.90
2029.34    0.160   150.06
2029.44    0.165   150.20
2029.54    0.169   150.34
2029.64    0.174   150.47
2029.74    0.178   150.59
2029.84    0.182   150.71
2029.94    0.186   150.82
2030.04    0.191   150.93
2030.14    0.195   151.03
2030.24    0.199   151.13
2030.34    0.203   151.23
2030.44    0.207   151.32
2030.54    0.211   151.41
2030.64    0.215   151.49
2030.74    0.219   151.57
2030.84    0.223   151.65
2030.94    0.226   151.73
2031.04    0.230   151.80
2031.14    0.234   151.87
2031.24    0.237   151.94
2031.34    0.241   152.01
2031.44    0.244   152.08
2031.54    0.248   152.14
2031.64    0.251   152.20
2031.74    0.254   152.26
2031.84    0.257   152.32
2031.94    0.260   152.38
2032.04    0.263   152.43
2032.14    0.266   152.49
2032.24    0.269   152.54
2032.34    0.272   152.59
2032.44    0.275   152.64
2032.54    0.277   152.69
2032.64    0.280   152.74
2032.74    0.282   152.79
2032.84    0.285   152.84
2032.94    0.287   152.89
2033.04    0.289   152.93
2033.14    0.291   152.98
2033.24    0.293   153.02
2033.34    0.295   153.07
2033.44    0.297   153.11
2033.54    0.298   153.16
2033.64    0.300   153.20
2033.74    0.301   153.24
2033.84    0.303   153.28
2033.94    0.304   153.32
2034.04    0.305   153.37
2034.14    0.306   153.41
2034.24    0.306   153.45
2034.34    0.307   153.49
2034.44    0.308   153.53
2034.54    0.308   153.57
2034.64    0.308   153.61
2034.74    0.308   153.65
2034.84    0.308   153.69
2034.94    0.308   153.73
2035.04    0.308   153.77
2035.14    0.307   153.81
2035.24    0.307   153.85
2035.34    0.306   153.89
2035.44    0.305   153.93
2035.54    0.304   153.98
2035.64    0.303   154.02
2035.74    0.301   154.06
2035.84    0.299   154.10
2035.94    0.298   154.14
2036.04    0.296   154.19
2036.14    0.293   154.23
2036.24    0.291   154.28
2036.34    0.288   154.32
2036.44    0.286   154.37
2036.54    0.283   154.42
2036.64    0.279   154.47
2036.74    0.276   154.52
2036.84    0.272   154.57
2036.94    0.268   154.62
2037.04    0.264   154.67
2037.14    0.260   154.73
2037.24    0.256   154.79
2037.34    0.251   154.85
2037.44    0.246   154.91
2037.54    0.241   154.97
2037.64    0.235   155.04
2037.74    0.230   155.11
2037.84    0.224   155.19
2037.94    0.218   155.26
2038.04    0.212   155.35
2038.14    0.205   155.43
2038.24    0.199   155.53
2038.34    0.192   155.63
2038.44    0.185   155.74
2038.54    0.177   155.86
2038.64    0.170   155.98
2038.74    0.162   156.12
2038.84    0.154   156.28
2038.94    0.146   156.45
2039.04    0.138   156.64
2039.14    0.129   156.85
2039.24    0.120   157.10
2039.34    0.112   157.38
2039.44    0.103   157.72
2039.54    0.094   158.12
2039.64    0.084   158.60
2039.74    0.075   159.20
2039.84    0.066   159.98
2039.94    0.056   161.01
2040.04    0.047   162.47






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 18:42:46



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