Double Star Calculator - Orbit

Orbital Elements for A570AB
WDS: A570AB WDS ID/Discoverer
P: 29.879 Orbital period (years)
a: 0.202 Semi-major axis (arcseconds)
i: 151.94 Inclination (degrees)
Ω: 15.1 Longitude of ascending node (degrees)
T: 2013.674 Epoch of periastron passage (year)
e: 0.1674 Eccentricity
ω: 48.0 Longitude of periastron (degrees)
Start-Year: 2010.0605 Year
End-Year: 2039.9395 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for A570AB
Position: 143220.27+264038.4 Epoch-2000 right ascension and declination
WDS-ID: 14323+2641 WDS designation
Discoverer Code: A570AB Discover designation and components
ADS number: 9301 Aitken Double Star catalog
HD number: 127726 HD catalog number
Hipparcos number: 71094 Hipparcos catalog number
V1: 6.61 Magnitude of the primary
V2: 7.08 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2024 Date of last observation
Orbit grade: 1 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Sca2024a Reference

Double Star Orbit for A570AB



WDS 6th Orbit including measures of A570AB

-- 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 A570AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.227   168.62
--------------------------
2010.06    0.180    24.75
2010.16    0.180    23.42
2010.26    0.179    22.10
2010.36    0.179    20.76
2010.46    0.178    19.42
2010.56    0.178    18.06
2010.66    0.177    16.71
2010.76    0.177    15.34
2010.86    0.176    13.96
2010.96    0.176    12.58
2011.06    0.175    11.19
2011.16    0.174     9.79
2011.26    0.174     8.38
2011.36    0.173     6.95
2011.46    0.173     5.52
2011.56    0.172     4.08
2011.66    0.171     2.63
2011.76    0.171     1.17
2011.86    0.170   359.69
2011.96    0.169   358.20
2012.06    0.169   356.70
2012.16    0.168   355.19
2012.26    0.167   353.67
2012.36    0.166   352.13
2012.46    0.166   350.58
2012.56    0.165   349.02
2012.66    0.164   347.44
2012.76    0.164   345.85
2012.86    0.163   344.24
2012.96    0.162   342.63
2013.06    0.162   340.99
2013.16    0.161   339.35
2013.26    0.160   337.69
2013.36    0.160   336.01
2013.46    0.159   334.32
2013.56    0.158   332.62
2013.66    0.158   330.91
2013.76    0.157   329.18
2013.86    0.157   327.44
2013.96    0.156   325.69
2014.06    0.155   323.93
2014.16    0.155   322.15
2014.26    0.155   320.37
2014.36    0.154   318.57
2014.46    0.154   316.77
2014.56    0.153   314.95
2014.66    0.153   313.13
2014.76    0.153   311.30
2014.86    0.153   309.47
2014.96    0.152   307.63
2015.06    0.152   305.79
2015.16    0.152   303.95
2015.26    0.152   302.10
2015.36    0.152   300.25
2015.46    0.152   298.41
2015.56    0.152   296.56
2015.66    0.153   294.72
2015.76    0.153   292.89
2015.86    0.153   291.06
2015.96    0.153   289.23
2016.06    0.154   287.41
2016.16    0.154   285.60
2016.26    0.154   283.81
2016.36    0.155   282.02
2016.46    0.155   280.24
2016.56    0.156   278.48
2016.66    0.157   276.73
2016.76    0.157   274.99
2016.86    0.158   273.27
2016.96    0.159   271.56
2017.06    0.159   269.87
2017.16    0.160   268.20
2017.26    0.161   266.54
2017.36    0.162   264.90
2017.46    0.163   263.28
2017.56    0.164   261.68
2017.66    0.165   260.10
2017.76    0.166   258.53
2017.86    0.167   256.99
2017.96    0.168   255.46
2018.06    0.169   253.95
2018.16    0.170   252.47
2018.26    0.171   251.00
2018.36    0.172   249.55
2018.46    0.173   248.11
2018.56    0.175   246.70
2018.66    0.176   245.31
2018.76    0.177   243.93
2018.86    0.178   242.57
2018.96    0.179   241.23
2019.06    0.180   239.91
2019.16    0.182   238.61
2019.26    0.183   237.32
2019.36    0.184   236.05
2019.46    0.185   234.79
2019.56    0.186   233.55
2019.66    0.188   232.33
2019.76    0.189   231.12
2019.86    0.190   229.93
2019.96    0.191   228.75
2020.06    0.192   227.58
2020.16    0.193   226.43
2020.26    0.195   225.30
2020.36    0.196   224.17
2020.46    0.197   223.06
2020.56    0.198   221.96
2020.66    0.199   220.88
2020.76    0.200   219.80
2020.86    0.201   218.74
2020.96    0.202   217.68
2021.06    0.203   216.64
2021.16    0.204   215.61
2021.26    0.205   214.59
2021.36    0.206   213.58
2021.46    0.207   212.58
2021.56    0.208   211.58
2021.66    0.209   210.60
2021.76    0.210   209.62
2021.86    0.211   208.65
2021.96    0.212   207.70
2022.06    0.212   206.74
2022.16    0.213   205.80
2022.26    0.214   204.86
2022.36    0.215   203.93
2022.46    0.215   203.01
2022.56    0.216   202.09
2022.66    0.217   201.18
2022.76    0.218   200.27
2022.86    0.218   199.37
2022.96    0.219   198.47
2023.06    0.220   197.58
2023.16    0.220   196.70
2023.26    0.221   195.82
2023.36    0.221   194.94
2023.46    0.222   194.07
2023.56    0.222   193.20
2023.66    0.223   192.34
2023.76    0.223   191.48
2023.86    0.224   190.62
2023.96    0.224   189.76
2024.06    0.224   188.91
2024.16    0.225   188.07
2024.26    0.225   187.22
2024.36    0.225   186.38
2024.46    0.226   185.54
2024.56    0.226   184.70
2024.66    0.226   183.86
2024.76    0.226   183.02
2024.86    0.227   182.19
2024.96    0.227   181.36
2025.06    0.227   180.53
2025.16    0.227   179.70
2025.26    0.227   178.87
2025.36    0.227   178.04
2025.46    0.227   177.21
2025.56    0.227   176.39
2025.66    0.227   175.56
2025.76    0.228   174.73
2025.86    0.228   173.91
2025.96    0.227   173.08
2026.06    0.227   172.25
2026.16    0.227   171.43
2026.26    0.227   170.60
2026.36    0.227   169.77
2026.46    0.227   168.94
2026.56    0.227   168.11
2026.66    0.227   167.28
2026.76    0.227   166.45
2026.86    0.226   165.62
2026.96    0.226   164.78
2027.06    0.226   163.95
2027.16    0.226   163.11
2027.26    0.226   162.27
2027.36    0.225   161.43
2027.46    0.225   160.58
2027.56    0.225   159.74
2027.66    0.224   158.89
2027.76    0.224   158.04
2027.86    0.224   157.19
2027.96    0.223   156.33
2028.06    0.223   155.47
2028.16    0.223   154.61
2028.26    0.222   153.75
2028.36    0.222   152.88
2028.46    0.222   152.01
2028.56    0.221   151.14
2028.66    0.221   150.26
2028.76    0.220   149.39
2028.86    0.220   148.50
2028.96    0.219   147.62
2029.06    0.219   146.73
2029.16    0.218   145.83
2029.26    0.218   144.93
2029.36    0.218   144.03
2029.46    0.217   143.13
2029.56    0.217   142.22
2029.66    0.216   141.30
2029.76    0.216   140.38
2029.86    0.215   139.46
2029.96    0.215   138.53
2030.06    0.214   137.60
2030.16    0.214   136.67
2030.26    0.213   135.73
2030.36    0.212   134.78
2030.46    0.212   133.83
2030.56    0.211   132.88
2030.66    0.211   131.92
2030.76    0.210   130.95
2030.86    0.210   129.98
2030.96    0.209   129.01
2031.06    0.209   128.03
2031.16    0.208   127.05
2031.26    0.208   126.06
2031.36    0.207   125.06
2031.46    0.207   124.06
2031.56    0.206   123.06
2031.66    0.206   122.05
2031.76    0.205   121.04
2031.86    0.205   120.02
2031.96    0.204   118.99
2032.06    0.204   117.96
2032.16    0.203   116.93
2032.26    0.203   115.89
2032.36    0.202   114.84
2032.46    0.202   113.79
2032.56    0.201   112.74
2032.66    0.201   111.68
2032.76    0.200   110.61
2032.86    0.200   109.54
2032.96    0.199   108.47
2033.06    0.199   107.39
2033.16    0.198   106.30
2033.26    0.198   105.21
2033.36    0.197   104.12
2033.46    0.197   103.02
2033.56    0.197   101.92
2033.66    0.196   100.81
2033.76    0.196    99.69
2033.86    0.196    98.58
2033.96    0.195    97.46
2034.06    0.195    96.33
2034.16    0.194    95.20
2034.26    0.194    94.07
2034.36    0.194    92.93
2034.46    0.193    91.79
2034.56    0.193    90.64
2034.66    0.193    89.50
2034.76    0.192    88.34
2034.86    0.192    87.19
2034.96    0.192    86.03
2035.06    0.192    84.86
2035.16    0.191    83.70
2035.26    0.191    82.53
2035.36    0.191    81.35
2035.46    0.191    80.18
2035.56    0.190    79.00
2035.66    0.190    77.82
2035.76    0.190    76.63
2035.86    0.190    75.45
2035.96    0.189    74.26
2036.06    0.189    73.06
2036.16    0.189    71.87
2036.26    0.189    70.67
2036.36    0.189    69.47
2036.46    0.189    68.27
2036.56    0.188    67.06
2036.66    0.188    65.86
2036.76    0.188    64.65
2036.86    0.188    63.44
2036.96    0.188    62.22
2037.06    0.187    61.01
2037.16    0.187    59.79
2037.26    0.187    58.57
2037.36    0.187    57.34
2037.46    0.187    56.12
2037.56    0.187    54.89
2037.66    0.186    53.66
2037.76    0.186    52.43
2037.86    0.186    51.19
2037.96    0.186    49.96
2038.06    0.186    48.71
2038.16    0.185    47.47
2038.26    0.185    46.23
2038.36    0.185    44.98
2038.46    0.185    43.73
2038.56    0.184    42.47
2038.66    0.184    41.21
2038.76    0.184    39.95
2038.86    0.184    38.68
2038.96    0.183    37.41
2039.06    0.183    36.14
2039.16    0.183    34.86
2039.26    0.183    33.58
2039.36    0.182    32.30
2039.46    0.182    31.01
2039.56    0.181    29.71
2039.66    0.181    28.41
2039.76    0.181    27.10
2039.86    0.180    25.79



 

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 17:06:18


www.stella-vega.de