Double Star Calculator - Orbit

Orbital Elements for A235
WDS: A235 WDS ID/Discoverer
P: 38.090 Orbital period (years)
a: 0.273 Semi-major axis (arcseconds)
i: 67.3 Inclination (degrees)
Ω: 263.8 Longitude of ascending node (degrees)
T: 2082.100 Epoch of periastron passage (year)
e: 0.483 Eccentricity
ω: 355.0 Longitude of periastron (degrees)
Start-Year: 2005.955 Year
End-Year: 2044.045 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A235
Position: 175318.60+245929.0 Epoch-2000 right ascension and declination
WDS-ID: 17533+2459 WDS designation
Discoverer Code: A235 Discover designation and components
ADS number: 10871 Aitken Double Star catalog
HD number: 163077 HD catalog number
Hipparcos number: 87565 Hipparcos catalog number
V1: 8.36 Magnitude of the primary
V2: 9.28 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2009 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: Hrt2014b Reference

Double Star Orbit for A235



WDS 6th Orbit including measures of A235

-- 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 A235
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.403    84.11
--------------------------
2005.95    0.141   262.29
2006.05    0.141   263.48
2006.15    0.141   264.67
2006.25    0.141   265.86
2006.35    0.141   267.06
2006.45    0.141   268.26
2006.55    0.140   269.47
2006.65    0.139   270.69
2006.75    0.138   271.93
2006.85    0.137   273.19
2006.95    0.135   274.47
2007.05    0.134   275.79
2007.15    0.132   277.13
2007.25    0.130   278.52
2007.35    0.128   279.94
2007.45    0.126   281.42
2007.55    0.124   282.94
2007.65    0.122   284.52
2007.75    0.119   286.16
2007.85    0.117   287.87
2007.95    0.114   289.65
2008.05    0.112   291.51
2008.15    0.109   293.45
2008.25    0.107   295.49
2008.35    0.104   297.62
2008.45    0.102   299.85
2008.55    0.100   302.19
2008.65    0.097   304.64
2008.75    0.095   307.20
2008.85    0.093   309.89
2008.95    0.091   312.69
2009.05    0.089   315.61
2009.15    0.088   318.64
2009.25    0.086   321.77
2009.35    0.085   325.01
2009.45    0.084   328.33
2009.55    0.083   331.73
2009.65    0.083   335.17
2009.75    0.083   338.66
2009.85    0.083   342.15
2009.95    0.083   345.64
2010.05    0.083   349.10
2010.15    0.084   352.50
2010.25    0.085   355.84
2010.35    0.086   359.09
2010.45    0.088     2.25
2010.55    0.089     5.29
2010.65    0.091     8.22
2010.75    0.093    11.02
2010.85    0.095    13.70
2010.95    0.098    16.25
2011.05    0.100    18.68
2011.15    0.103    20.98
2011.25    0.106    23.17
2011.35    0.109    25.24
2011.45    0.112    27.21
2011.55    0.115    29.07
2011.65    0.118    30.83
2011.75    0.121    32.51
2011.85    0.124    34.09
2011.95    0.127    35.59
2012.05    0.131    37.02
2012.15    0.134    38.38
2012.25    0.138    39.66
2012.35    0.141    40.89
2012.45    0.145    42.06
2012.55    0.148    43.17
2012.65    0.152    44.23
2012.75    0.155    45.24
2012.85    0.159    46.21
2012.95    0.162    47.14
2013.05    0.166    48.03
2013.15    0.169    48.88
2013.25    0.173    49.69
2013.35    0.176    50.48
2013.45    0.180    51.23
2013.55    0.183    51.95
2013.65    0.187    52.65
2013.75    0.190    53.32
2013.85    0.193    53.97
2013.95    0.197    54.59
2014.05    0.200    55.20
2014.15    0.204    55.78
2014.25    0.207    56.35
2014.35    0.210    56.89
2014.45    0.214    57.42
2014.55    0.217    57.93
2014.65    0.220    58.43
2014.75    0.224    58.91
2014.85    0.227    59.38
2014.95    0.230    59.84
2015.05    0.233    60.28
2015.15    0.236    60.71
2015.25    0.240    61.14
2015.35    0.243    61.54
2015.45    0.246    61.94
2015.55    0.249    62.33
2015.65    0.252    62.71
2015.75    0.255    63.08
2015.85    0.258    63.44
2015.95    0.261    63.80
2016.05    0.264    64.14
2016.15    0.267    64.48
2016.25    0.270    64.81
2016.35    0.272    65.14
2016.45    0.275    65.45
2016.55    0.278    65.77
2016.65    0.281    66.07
2016.75    0.284    66.37
2016.85    0.286    66.66
2016.95    0.289    66.95
2017.05    0.292    67.23
2017.15    0.294    67.51
2017.25    0.297    67.78
2017.35    0.299    68.05
2017.45    0.302    68.31
2017.55    0.304    68.57
2017.65    0.307    68.83
2017.75    0.309    69.08
2017.85    0.312    69.33
2017.95    0.314    69.57
2018.05    0.316    69.81
2018.15    0.319    70.05
2018.25    0.321    70.28
2018.35    0.323    70.51
2018.45    0.325    70.73
2018.55    0.328    70.96
2018.65    0.330    71.18
2018.75    0.332    71.40
2018.85    0.334    71.61
2018.95    0.336    71.82
2019.05    0.338    72.03
2019.15    0.340    72.24
2019.25    0.342    72.44
2019.35    0.344    72.65
2019.45    0.346    72.85
2019.55    0.348    73.04
2019.65    0.350    73.24
2019.75    0.351    73.43
2019.85    0.353    73.63
2019.95    0.355    73.82
2020.05    0.357    74.00
2020.15    0.358    74.19
2020.25    0.360    74.37
2020.35    0.362    74.56
2020.45    0.363    74.74
2020.55    0.365    74.92
2020.65    0.366    75.10
2020.75    0.368    75.27
2020.85    0.369    75.45
2020.95    0.371    75.62
2021.05    0.372    75.79
2021.15    0.374    75.97
2021.25    0.375    76.14
2021.35    0.376    76.30
2021.45    0.378    76.47
2021.55    0.379    76.64
2021.65    0.380    76.80
2021.75    0.381    76.97
2021.85    0.382    77.13
2021.95    0.384    77.29
2022.05    0.385    77.45
2022.15    0.386    77.61
2022.25    0.387    77.77
2022.35    0.388    77.93
2022.45    0.389    78.09
2022.55    0.390    78.25
2022.65    0.391    78.40
2022.75    0.392    78.56
2022.85    0.393    78.71
2022.95    0.393    78.87
2023.05    0.394    79.02
2023.15    0.395    79.17
2023.25    0.396    79.33
2023.35    0.396    79.48
2023.45    0.397    79.63
2023.55    0.398    79.78
2023.65    0.398    79.93
2023.75    0.399    80.08
2023.85    0.399    80.23
2023.95    0.400    80.38
2024.05    0.400    80.53
2024.15    0.401    80.68
2024.25    0.401    80.82
2024.35    0.402    80.97
2024.45    0.402    81.12
2024.55    0.402    81.27
2024.65    0.403    81.41
2024.75    0.403    81.56
2024.85    0.403    81.71
2024.95    0.404    81.85
2025.05    0.404    82.00
2025.15    0.404    82.14
2025.25    0.404    82.29
2025.35    0.404    82.44
2025.45    0.404    82.58
2025.55    0.404    82.73
2025.65    0.404    82.87
2025.75    0.404    83.02
2025.85    0.404    83.16
2025.95    0.404    83.31
2026.05    0.404    83.46
2026.15    0.404    83.60
2026.25    0.403    83.75
2026.35    0.403    83.89
2026.45    0.403    84.04
2026.55    0.403    84.19
2026.65    0.402    84.33
2026.75    0.402    84.48
2026.85    0.402    84.63
2026.95    0.401    84.78
2027.05    0.401    84.92
2027.15    0.400    85.07
2027.25    0.400    85.22
2027.35    0.399    85.37
2027.45    0.399    85.52
2027.55    0.398    85.67
2027.65    0.398    85.82
2027.75    0.397    85.97
2027.85    0.396    86.12
2027.95    0.395    86.27
2028.05    0.395    86.43
2028.15    0.394    86.58
2028.25    0.393    86.73
2028.35    0.392    86.89
2028.45    0.391    87.04
2028.55    0.390    87.20
2028.65    0.389    87.36
2028.75    0.388    87.51
2028.85    0.387    87.67
2028.95    0.386    87.83
2029.05    0.385    87.99
2029.15    0.384    88.15
2029.25    0.383    88.31
2029.35    0.382    88.47
2029.45    0.381    88.64
2029.55    0.379    88.80
2029.65    0.378    88.97
2029.75    0.377    89.14
2029.85    0.375    89.30
2029.95    0.374    89.47
2030.05    0.373    89.64
2030.15    0.371    89.82
2030.25    0.370    89.99
2030.35    0.368    90.17
2030.45    0.367    90.34
2030.55    0.365    90.52
2030.65    0.363    90.70
2030.75    0.362    90.88
2030.85    0.360    91.06
2030.95    0.358    91.25
2031.05    0.357    91.43
2031.15    0.355    91.62
2031.25    0.353    91.81
2031.35    0.351    92.00
2031.45    0.349    92.20
2031.55    0.347    92.39
2031.65    0.346    92.59
2031.75    0.344    92.79
2031.85    0.342    92.99
2031.95    0.339    93.20
2032.05    0.337    93.41
2032.15    0.335    93.62
2032.25    0.333    93.83
2032.35    0.331    94.05
2032.45    0.329    94.27
2032.55    0.326    94.49
2032.65    0.324    94.71
2032.75    0.322    94.94
2032.85    0.319    95.17
2032.95    0.317    95.41
2033.05    0.315    95.65
2033.15    0.312    95.89
2033.25    0.310    96.14
2033.35    0.307    96.39
2033.45    0.304    96.64
2033.55    0.302    96.90
2033.65    0.299    97.16
2033.75    0.297    97.43
2033.85    0.294    97.70
2033.95    0.291    97.98
2034.05    0.288    98.27
2034.15    0.285    98.56
2034.25    0.283    98.85
2034.35    0.280    99.15
2034.45    0.277    99.46
2034.55    0.274    99.77
2034.65    0.271   100.09
2034.75    0.268   100.42
2034.85    0.265   100.76
2034.95    0.262   101.10
2035.05    0.259   101.45
2035.15    0.255   101.81
2035.25    0.252   102.18
2035.35    0.249   102.56
2035.45    0.246   102.95
2035.55    0.242   103.35
2035.65    0.239   103.76
2035.75    0.236   104.19
2035.85    0.232   104.62
2035.95    0.229   105.07
2036.05    0.225   105.53
2036.15    0.222   106.01
2036.25    0.218   106.50
2036.35    0.215   107.01
2036.45    0.211   107.53
2036.55    0.208   108.07
2036.65    0.204   108.63
2036.75    0.200   109.22
2036.85    0.197   109.82
2036.95    0.193   110.45
2037.05    0.189   111.10
2037.15    0.185   111.78
2037.25    0.182   112.49
2037.35    0.178   113.22
2037.45    0.174   113.99
2037.55    0.170   114.80
2037.65    0.166   115.64
2037.75    0.163   116.52
2037.85    0.159   117.44
2037.95    0.155   118.41
2038.05    0.151   119.43
2038.15    0.147   120.50
2038.25    0.143   121.63
2038.35    0.139   122.82
2038.45    0.136   124.08
2038.55    0.132   125.42
2038.65    0.128   126.83
2038.75    0.124   128.33
2038.85    0.120   129.92
2038.95    0.117   131.61
2039.05    0.113   133.41
2039.15    0.110   135.33
2039.25    0.106   137.37
2039.35    0.103   139.55
2039.45    0.100   141.87
2039.55    0.097   144.34
2039.65    0.094   146.98
2039.75    0.091   149.78
2039.85    0.088   152.75
2039.95    0.086   155.90
2040.05    0.084   159.22
2040.15    0.082   162.72
2040.25    0.080   166.37
2040.35    0.079   170.16
2040.45    0.077   174.08
2040.55    0.077   178.09
2040.65    0.076   182.16
2040.75    0.076   186.27
2040.85    0.076   190.37
2040.95    0.077   194.43
2041.05    0.078   198.41
2041.15    0.079   202.29
2041.25    0.080   206.05
2041.35    0.082   209.66
2041.45    0.084   213.11
2041.55    0.086   216.40
2041.65    0.088   219.53
2041.75    0.091   222.49
2041.85    0.094   225.29
2041.95    0.096   227.93
2042.05    0.099   230.43
2042.15    0.102   232.79
2042.25    0.105   235.02
2042.35    0.108   237.13
2042.45    0.110   239.14
2042.55    0.113   241.04
2042.65    0.116   242.85
2042.75    0.119   244.58
2042.85    0.121   246.23
2042.95    0.124   247.81
2043.05    0.126   249.33
2043.15    0.129   250.80
2043.25    0.131   252.22
2043.35    0.133   253.59
2043.45    0.134   254.93
2043.55    0.136   256.23
2043.65    0.137   257.51
2043.75    0.139   258.76
2043.85    0.140   259.99
2043.95    0.140   261.20






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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 17:44:07



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