Double Star Calculator - Orbit

Orbital Elements for HDS1574AA,AB
WDS: HDS1574AA,AB WDS ID/Discoverer
P: 46.220 Orbital period (years)
a: 0.235 Semi-major axis (arcseconds)
i: 116.4 Inclination (degrees)
Ω: 169.6 Longitude of ascending node (degrees)
T: 2013.140 Epoch of periastron passage (year)
e: 0.795 Eccentricity
ω: 337.5 Longitude of periastron (degrees)
Start-Year: 2001.89 Year
End-Year: 2048.11 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS1574AA,AB
Position: 110145.73+364041.6 Epoch-2000 right ascension and declination
WDS-ID: 11017+3641 WDS designation
Discoverer Code: HDS1574AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 95485 HD catalog number
Hipparcos number: 53903 Hipparcos catalog number
V1: 7.58 Magnitude of the primary
V2: 11.06 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2019e Reference

Double Star Orbit for HDS1574AA,AB



WDS 6th Orbit including measures of HDS1574AA,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 HDS1574AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.307     8.84
--------------------------
2001.89    0.342   350.72
2001.99    0.340   350.62
2002.09    0.339   350.52
2002.19    0.338   350.42
2002.29    0.336   350.32
2002.39    0.335   350.22
2002.49    0.333   350.11
2002.59    0.332   350.01
2002.69    0.330   349.90
2002.79    0.329   349.79
2002.89    0.327   349.69
2002.99    0.325   349.58
2003.09    0.324   349.47
2003.19    0.322   349.36
2003.29    0.320   349.24
2003.39    0.319   349.13
2003.49    0.317   349.02
2003.59    0.315   348.90
2003.69    0.314   348.78
2003.79    0.312   348.66
2003.89    0.310   348.54
2003.99    0.308   348.42
2004.09    0.306   348.30
2004.19    0.304   348.17
2004.29    0.303   348.05
2004.39    0.301   347.92
2004.49    0.299   347.79
2004.59    0.297   347.66
2004.69    0.295   347.53
2004.79    0.293   347.39
2004.89    0.291   347.26
2004.99    0.289   347.12
2005.09    0.287   346.98
2005.19    0.284   346.84
2005.29    0.282   346.69
2005.39    0.280   346.55
2005.49    0.278   346.40
2005.59    0.276   346.25
2005.69    0.273   346.09
2005.79    0.271   345.93
2005.89    0.269   345.78
2005.99    0.266   345.61
2006.09    0.264   345.45
2006.19    0.262   345.28
2006.29    0.259   345.11
2006.39    0.257   344.93
2006.49    0.254   344.76
2006.59    0.252   344.58
2006.69    0.249   344.39
2006.79    0.246   344.20
2006.89    0.244   344.01
2006.99    0.241   343.81
2007.09    0.238   343.61
2007.19    0.236   343.40
2007.29    0.233   343.19
2007.39    0.230   342.97
2007.49    0.227   342.75
2007.59    0.224   342.52
2007.69    0.221   342.29
2007.79    0.218   342.05
2007.89    0.215   341.80
2007.99    0.212   341.55
2008.09    0.209   341.29
2008.19    0.206   341.02
2008.29    0.203   340.74
2008.39    0.199   340.45
2008.49    0.196   340.16
2008.59    0.193   339.85
2008.69    0.189   339.53
2008.79    0.186   339.20
2008.89    0.182   338.86
2008.99    0.179   338.50
2009.09    0.175   338.13
2009.19    0.172   337.75
2009.29    0.168   337.34
2009.39    0.164   336.92
2009.49    0.160   336.48
2009.59    0.156   336.02
2009.69    0.152   335.53
2009.79    0.148   335.02
2009.89    0.144   334.48
2009.99    0.140   333.91
2010.09    0.136   333.30
2010.19    0.132   332.65
2010.29    0.127   331.96
2010.39    0.123   331.22
2010.49    0.118   330.42
2010.59    0.114   329.56
2010.69    0.109   328.63
2010.79    0.104   327.61
2010.89    0.100   326.49
2010.99    0.095   325.27
2011.09    0.090   323.90
2011.19    0.085   322.38
2011.29    0.080   320.67
2011.39    0.075   318.72
2011.49    0.069   316.47
2011.59    0.064   313.87
2011.69    0.059   310.80
2011.79    0.054   307.14
2011.89    0.049   302.71
2011.99    0.044   297.27
2012.09    0.039   290.49
2012.19    0.035   282.02
2012.29    0.032   271.54
2012.39    0.029   259.01
2012.49    0.028   245.04
2012.59    0.029   230.86
2012.69    0.031   217.80
2012.79    0.034   206.58
2012.89    0.037   197.25
2012.99    0.040   189.50
2013.09    0.044   182.96
2013.19    0.047   177.29
2013.29    0.049   172.21
2013.39    0.051   167.52
2013.49    0.052   163.07
2013.59    0.052   158.75
2013.69    0.052   154.47
2013.79    0.052   150.18
2013.89    0.051   145.82
2013.99    0.051   141.37
2014.09    0.050   136.80
2014.19    0.049   132.11
2014.29    0.049   127.32
2014.39    0.049   122.43
2014.49    0.048   117.48
2014.59    0.048   112.51
2014.69    0.049   107.56
2014.79    0.049   102.68
2014.89    0.050    97.92
2014.99    0.051    93.31
2015.09    0.052    88.88
2015.19    0.053    84.67
2015.29    0.055    80.69
2015.39    0.057    76.94
2015.49    0.058    73.43
2015.59    0.061    70.15
2015.69    0.063    67.09
2015.79    0.065    64.24
2015.89    0.067    61.59
2015.99    0.070    59.13
2016.09    0.072    56.83
2016.19    0.075    54.70
2016.29    0.078    52.70
2016.39    0.080    50.84
2016.49    0.083    49.11
2016.59    0.086    47.48
2016.69    0.089    45.95
2016.79    0.091    44.52
2016.89    0.094    43.17
2016.99    0.097    41.90
2017.09    0.100    40.71
2017.19    0.103    39.57
2017.29    0.106    38.50
2017.39    0.108    37.49
2017.49    0.111    36.53
2017.59    0.114    35.61
2017.69    0.117    34.74
2017.79    0.120    33.91
2017.89    0.122    33.12
2017.99    0.125    32.36
2018.09    0.128    31.64
2018.19    0.131    30.95
2018.29    0.134    30.28
2018.39    0.136    29.64
2018.49    0.139    29.03
2018.59    0.142    28.44
2018.69    0.144    27.88
2018.79    0.147    27.33
2018.89    0.150    26.80
2018.99    0.152    26.30
2019.09    0.155    25.80
2019.19    0.158    25.33
2019.29    0.160    24.87
2019.39    0.163    24.43
2019.49    0.166    24.00
2019.59    0.168    23.58
2019.69    0.171    23.18
2019.79    0.173    22.78
2019.89    0.176    22.40
2019.99    0.178    22.03
2020.09    0.181    21.67
2020.19    0.183    21.32
2020.29    0.186    20.98
2020.39    0.188    20.65
2020.49    0.190    20.32
2020.59    0.193    20.01
2020.69    0.195    19.70
2020.79    0.198    19.40
2020.89    0.200    19.11
2020.99    0.202    18.82
2021.09    0.205    18.54
2021.19    0.207    18.26
2021.29    0.209    18.00
2021.39    0.211    17.73
2021.49    0.214    17.48
2021.59    0.216    17.23
2021.69    0.218    16.98
2021.79    0.220    16.74
2021.89    0.223    16.50
2021.99    0.225    16.27
2022.09    0.227    16.04
2022.19    0.229    15.82
2022.29    0.231    15.60
2022.39    0.233    15.39
2022.49    0.235    15.17
2022.59    0.237    14.97
2022.69    0.240    14.76
2022.79    0.242    14.56
2022.89    0.244    14.37
2022.99    0.246    14.17
2023.09    0.248    13.98
2023.19    0.250    13.79
2023.29    0.252    13.61
2023.39    0.254    13.43
2023.49    0.256    13.25
2023.59    0.257    13.07
2023.69    0.259    12.90
2023.79    0.261    12.73
2023.89    0.263    12.56
2023.99    0.265    12.39
2024.09    0.267    12.23
2024.19    0.269    12.07
2024.29    0.271    11.91
2024.39    0.272    11.75
2024.49    0.274    11.59
2024.59    0.276    11.44
2024.69    0.278    11.29
2024.79    0.280    11.14
2024.89    0.281    10.99
2024.99    0.283    10.85
2025.09    0.285    10.70
2025.19    0.286    10.56
2025.29    0.288    10.42
2025.39    0.290    10.28
2025.49    0.291    10.14
2025.59    0.293    10.01
2025.69    0.295     9.87
2025.79    0.296     9.74
2025.89    0.298     9.61
2025.99    0.300     9.48
2026.09    0.301     9.35
2026.19    0.303     9.22
2026.29    0.304     9.10
2026.39    0.306     8.97
2026.49    0.307     8.85
2026.59    0.309     8.73
2026.69    0.310     8.60
2026.79    0.312     8.48
2026.89    0.313     8.37
2026.99    0.315     8.25
2027.09    0.316     8.13
2027.19    0.318     8.02
2027.29    0.319     7.90
2027.39    0.320     7.79
2027.49    0.322     7.68
2027.59    0.323     7.56
2027.69    0.325     7.45
2027.79    0.326     7.34
2027.89    0.327     7.23
2027.99    0.329     7.13
2028.09    0.330     7.02
2028.19    0.331     6.91
2028.29    0.332     6.81
2028.39    0.334     6.70
2028.49    0.335     6.60
2028.59    0.336     6.50
2028.69    0.338     6.39
2028.79    0.339     6.29
2028.89    0.340     6.19
2028.99    0.341     6.09
2029.09    0.342     5.99
2029.19    0.344     5.89
2029.29    0.345     5.80
2029.39    0.346     5.70
2029.49    0.347     5.60
2029.59    0.348     5.51
2029.69    0.349     5.41
2029.79    0.350     5.32
2029.89    0.351     5.22
2029.99    0.353     5.13
2030.09    0.354     5.04
2030.19    0.355     4.94
2030.29    0.356     4.85
2030.39    0.357     4.76
2030.49    0.358     4.67
2030.59    0.359     4.58
2030.69    0.360     4.49
2030.79    0.361     4.40
2030.89    0.362     4.31
2030.99    0.363     4.22
2031.09    0.364     4.13
2031.19    0.365     4.05
2031.29    0.365     3.96
2031.39    0.366     3.87
2031.49    0.367     3.79
2031.59    0.368     3.70
2031.69    0.369     3.61
2031.79    0.370     3.53
2031.89    0.371     3.45
2031.99    0.372     3.36
2032.09    0.372     3.28
2032.19    0.373     3.19
2032.29    0.374     3.11
2032.39    0.375     3.03
2032.49    0.376     2.95
2032.59    0.376     2.86
2032.69    0.377     2.78
2032.79    0.378     2.70
2032.89    0.379     2.62
2032.99    0.379     2.54
2033.09    0.380     2.46
2033.19    0.381     2.38
2033.29    0.381     2.30
2033.39    0.382     2.22
2033.49    0.383     2.14
2033.59    0.383     2.06
2033.69    0.384     1.98
2033.79    0.385     1.90
2033.89    0.385     1.82
2033.99    0.386     1.75
2034.09    0.386     1.67
2034.19    0.387     1.59
2034.29    0.388     1.51
2034.39    0.388     1.44
2034.49    0.389     1.36
2034.59    0.389     1.28
2034.69    0.390     1.21
2034.79    0.390     1.13
2034.89    0.391     1.05
2034.99    0.391     0.98
2035.09    0.392     0.90
2035.19    0.392     0.83
2035.29    0.393     0.75
2035.39    0.393     0.68
2035.49    0.393     0.60
2035.59    0.394     0.53
2035.69    0.394     0.45
2035.79    0.395     0.38
2035.89    0.395     0.30
2035.99    0.395     0.23
2036.09    0.396     0.15
2036.19    0.396     0.08
2036.29    0.396     0.01
2036.39    0.397   359.93
2036.49    0.397   359.86
2036.59    0.397   359.78
2036.69    0.398   359.71
2036.79    0.398   359.64
2036.89    0.398   359.56
2036.99    0.398   359.49
2037.09    0.399   359.42
2037.19    0.399   359.35
2037.29    0.399   359.27
2037.39    0.399   359.20
2037.49    0.399   359.13
2037.59    0.400   359.05
2037.69    0.400   358.98
2037.79    0.400   358.91
2037.89    0.400   358.84
2037.99    0.400   358.76
2038.09    0.400   358.69
2038.19    0.400   358.62
2038.29    0.400   358.55
2038.39    0.400   358.47
2038.49    0.401   358.40
2038.59    0.401   358.33
2038.69    0.401   358.26
2038.79    0.401   358.19
2038.89    0.401   358.11
2038.99    0.401   358.04
2039.09    0.401   357.97
2039.19    0.401   357.90
2039.29    0.401   357.82
2039.39    0.401   357.75
2039.49    0.400   357.68
2039.59    0.400   357.61
2039.69    0.400   357.53
2039.79    0.400   357.46
2039.89    0.400   357.39
2039.99    0.400   357.32
2040.09    0.400   357.24
2040.19    0.400   357.17
2040.29    0.399   357.10
2040.39    0.399   357.03
2040.49    0.399   356.95
2040.59    0.399   356.88
2040.69    0.399   356.81
2040.79    0.398   356.73
2040.89    0.398   356.66
2040.99    0.398   356.59
2041.09    0.398   356.52
2041.19    0.397   356.44
2041.29    0.397   356.37
2041.39    0.397   356.29
2041.49    0.396   356.22
2041.59    0.396   356.15
2041.69    0.396   356.07
2041.79    0.395   356.00
2041.89    0.395   355.92
2041.99    0.395   355.85
2042.09    0.394   355.78
2042.19    0.394   355.70
2042.29    0.393   355.63
2042.39    0.393   355.55
2042.49    0.392   355.48
2042.59    0.392   355.40
2042.69    0.391   355.32
2042.79    0.391   355.25
2042.89    0.390   355.17
2042.99    0.390   355.10
2043.09    0.389   355.02
2043.19    0.389   354.94
2043.29    0.388   354.87
2043.39    0.388   354.79
2043.49    0.387   354.71
2043.59    0.386   354.63
2043.69    0.386   354.56
2043.79    0.385   354.48
2043.89    0.384   354.40
2043.99    0.384   354.32
2044.09    0.383   354.24
2044.19    0.382   354.16
2044.29    0.382   354.08
2044.39    0.381   354.00
2044.49    0.380   353.92
2044.59    0.379   353.84
2044.69    0.379   353.76
2044.79    0.378   353.68
2044.89    0.377   353.60
2044.99    0.376   353.52
2045.09    0.375   353.44
2045.19    0.374   353.35
2045.29    0.374   353.27
2045.39    0.373   353.19
2045.49    0.372   353.10
2045.59    0.371   353.02
2045.69    0.370   352.93
2045.79    0.369   352.85
2045.89    0.368   352.76
2045.99    0.367   352.68
2046.09    0.366   352.59
2046.19    0.365   352.50
2046.29    0.364   352.42
2046.39    0.363   352.33
2046.49    0.362   352.24
2046.59    0.361   352.15
2046.69    0.360   352.06
2046.79    0.358   351.97
2046.89    0.357   351.88
2046.99    0.356   351.79
2047.09    0.355   351.70
2047.19    0.354   351.61
2047.29    0.352   351.51
2047.39    0.351   351.42
2047.49    0.350   351.33
2047.59    0.349   351.23
2047.69    0.347   351.13
2047.79    0.346   351.04
2047.89    0.345   350.94
2047.99    0.343   350.84
2048.09    0.342   350.74






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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 16:32:51



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