Double Star Calculator - Orbit

Orbital Elements for A1959

WDS:	A1959	WDS ID/Discoverer
P:	31.850	Orbital period (years)
a:	0.259	Semi-major axis (arcseconds)
i:	63.3	Inclination (degrees)
Ω:	172.3	Longitude of ascending node (degrees)
T:	1988.360	Epoch of periastron passage (year)
e:	0.008	Eccentricity
ω:	147.7	Longitude of periastron (degrees)
Start-Year:	2009.075	Year
End-Year:	2040.925	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1959
Position:	070334.05+394034.1	Epoch-2000 right ascension and declination
WDS-ID:	07036+3941	WDS designation
Discoverer Code:	A1959	Discover designation and components
ADS number:	5726	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	34025	Hipparcos catalog number
V1:	10.60	Magnitude of the primary
V2:	10.34	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2004	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:	Doc2006i	Reference

Double Star Orbit for A1959

WDS 6th Orbit including measures of A1959

-- 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 A1959

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.212    12.73
--------------------------
2009.08    0.246   182.14
2009.17    0.245   182.70
2009.27    0.243   183.27
2009.37    0.242   183.85
2009.47    0.240   184.44
2009.57    0.238   185.04
2009.67    0.236   185.64
2009.77    0.234   186.26
2009.87    0.232   186.88
2009.97    0.230   187.52
2010.07    0.228   188.17
2010.17    0.226   188.82
2010.27    0.224   189.50
2010.37    0.222   190.18
2010.47    0.219   190.88
2010.57    0.217   191.60
2010.67    0.215   192.33
2010.77    0.212   193.08
2010.87    0.210   193.84
2010.97    0.207   194.63
2011.07    0.204   195.43
2011.17    0.202   196.26
2011.27    0.199   197.11
2011.37    0.197   197.98
2011.47    0.194   198.87
2011.57    0.191   199.79
2011.67    0.188   200.74
2011.77    0.185   201.71
2011.87    0.183   202.72
2011.97    0.180   203.76
2012.07    0.177   204.83
2012.17    0.174   205.93
2012.27    0.171   207.08
2012.37    0.168   208.26
2012.47    0.166   209.48
2012.57    0.163   210.74
2012.67    0.160   212.05
2012.77    0.157   213.40
2012.87    0.155   214.80
2012.97    0.152   216.26
2013.07    0.149   217.76
2013.17    0.147   219.32
2013.27    0.144   220.93
2013.37    0.141   222.61
2013.47    0.139   224.34
2013.57    0.137   226.13
2013.67    0.134   227.99
2013.77    0.132   229.90
2013.87    0.130   231.88
2013.97    0.128   233.93
2014.07    0.126   236.03
2014.17    0.125   238.19
2014.27    0.123   240.42
2014.37    0.122   242.69
2014.47    0.120   245.02
2014.57    0.119   247.40
2014.67    0.118   249.82
2014.77    0.117   252.28
2014.87    0.117   254.76
2014.97    0.116   257.28
2015.07    0.116   259.80
2015.17    0.116   262.34
2015.27    0.116   264.87
2015.37    0.116   267.40
2015.47    0.117   269.92
2015.57    0.117   272.41
2015.67    0.118   274.87
2015.77    0.119   277.30
2015.87    0.120   279.68
2015.97    0.121   282.02
2016.07    0.123   284.30
2016.17    0.124   286.53
2016.27    0.126   288.70
2016.37    0.128   290.82
2016.47    0.130   292.87
2016.57    0.132   294.86
2016.67    0.134   296.78
2016.77    0.136   298.65
2016.87    0.139   300.45
2016.97    0.141   302.19
2017.07    0.144   303.87
2017.17    0.146   305.50
2017.27    0.149   307.06
2017.37    0.151   308.58
2017.47    0.154   310.04
2017.57    0.157   311.45
2017.67    0.160   312.81
2017.77    0.162   314.13
2017.87    0.165   315.40
2017.97    0.168   316.63
2018.07    0.171   317.81
2018.17    0.174   318.96
2018.27    0.176   320.08
2018.37    0.179   321.15
2018.47    0.182   322.20
2018.57    0.185   323.21
2018.67    0.188   324.19
2018.77    0.190   325.15
2018.87    0.193   326.08
2018.97    0.196   326.98
2019.07    0.198   327.85
2019.17    0.201   328.71
2019.27    0.204   329.54
2019.37    0.206   330.35
2019.47    0.209   331.14
2019.57    0.211   331.91
2019.67    0.214   332.67
2019.77    0.216   333.41
2019.87    0.218   334.13
2019.97    0.221   334.84
2020.07    0.223   335.53
2020.17    0.225   336.21
2020.27    0.227   336.87
2020.37    0.229   337.53
2020.47    0.231   338.17
2020.57    0.233   338.80
2020.67    0.235   339.43
2020.77    0.237   340.04
2020.87    0.238   340.64
2020.97    0.240   341.24
2021.07    0.242   341.83
2021.17    0.243   342.41
2021.27    0.245   342.98
2021.37    0.246   343.54
2021.47    0.247   344.10
2021.57    0.248   344.66
2021.67    0.250   345.21
2021.77    0.251   345.75
2021.87    0.252   346.29
2021.97    0.253   346.83
2022.07    0.253   347.36
2022.17    0.254   347.89
2022.27    0.255   348.42
2022.37    0.255   348.94
2022.47    0.256   349.46
2022.57    0.256   349.98
2022.67    0.257   350.50
2022.77    0.257   351.01
2022.87    0.257   351.53
2022.97    0.257   352.04
2023.07    0.257   352.56
2023.17    0.257   353.07
2023.27    0.257   353.59
2023.37    0.257   354.11
2023.47    0.257   354.62
2023.57    0.256   355.14
2023.67    0.256   355.66
2023.77    0.255   356.18
2023.87    0.254   356.71
2023.97    0.254   357.24
2024.07    0.253   357.77
2024.17    0.252   358.30
2024.27    0.251   358.84
2024.37    0.250   359.38
2024.47    0.249   359.93
2024.57    0.248     0.48
2024.67    0.247     1.04
2024.77    0.245     1.60
2024.87    0.244     2.17
2024.97    0.243     2.74
2025.07    0.241     3.33
2025.17    0.239     3.92
2025.27    0.238     4.52
2025.37    0.236     5.12
2025.47    0.234     5.74
2025.57    0.232     6.37
2025.67    0.230     7.00
2025.77    0.228     7.65
2025.87    0.226     8.31
2025.97    0.224     8.98
2026.07    0.222     9.66
2026.17    0.220    10.36
2026.27    0.218    11.07
2026.37    0.215    11.80
2026.47    0.213    12.55
2026.57    0.210    13.31
2026.67    0.208    14.09
2026.77    0.205    14.88
2026.87    0.203    15.70
2026.97    0.200    16.54
2027.07    0.198    17.40
2027.17    0.195    18.28
2027.27    0.192    19.19
2027.37    0.190    20.13
2027.47    0.187    21.09
2027.57    0.184    22.08
2027.67    0.181    23.10
2027.77    0.179    24.15
2027.87    0.176    25.23
2027.97    0.173    26.35
2028.07    0.170    27.51
2028.17    0.167    28.71
2028.27    0.165    29.94
2028.37    0.162    31.22
2028.47    0.159    32.54
2028.57    0.156    33.91
2028.67    0.154    35.32
2028.77    0.151    36.79
2028.87    0.149    38.30
2028.97    0.146    39.87
2029.07    0.144    41.50
2029.17    0.141    43.18
2029.27    0.139    44.92
2029.37    0.136    46.72
2029.47    0.134    48.58
2029.57    0.132    50.50
2029.67    0.130    52.48
2029.77    0.128    54.52
2029.87    0.127    56.61
2029.97    0.125    58.77
2030.07    0.123    60.98
2030.17    0.122    63.24
2030.27    0.121    65.55
2030.37    0.120    67.91
2030.47    0.119    70.30
2030.57    0.118    72.73
2030.67    0.118    75.18
2030.77    0.117    77.66
2030.87    0.117    80.15
2030.97    0.117    82.64
2031.07    0.117    85.13
2031.17    0.117    87.61
2031.27    0.118    90.08
2031.37    0.118    92.52
2031.47    0.119    94.94
2031.57    0.120    97.31
2031.67    0.121    99.65
2031.77    0.123   101.94
2031.87    0.124   104.18
2031.97    0.126   106.36
2032.07    0.127   108.49
2032.17    0.129   110.56
2032.27    0.131   112.58
2032.37    0.133   114.53
2032.47    0.135   116.42
2032.57    0.138   118.25
2032.67    0.140   120.02
2032.77    0.142   121.74
2032.87    0.145   123.39
2032.97    0.147   124.99
2033.07    0.150   126.54
2033.17    0.152   128.03
2033.27    0.155   129.47
2033.37    0.158   130.86
2033.47    0.161   132.21
2033.57    0.163   133.51
2033.67    0.166   134.76
2033.77    0.169   135.98
2033.87    0.172   137.15
2033.97    0.174   138.29
2034.07    0.177   139.39
2034.17    0.180   140.46
2034.27    0.183   141.50
2034.37    0.186   142.50
2034.47    0.188   143.47
2034.57    0.191   144.42
2034.67    0.194   145.34
2034.77    0.197   146.23
2034.87    0.199   147.10
2034.97    0.202   147.95
2035.07    0.204   148.78
2035.17    0.207   149.58
2035.27    0.210   150.37
2035.37    0.212   151.13
2035.47    0.215   151.88
2035.57    0.217   152.61
2035.67    0.219   153.33
2035.77    0.222   154.03
2035.87    0.224   154.72
2035.97    0.226   155.39
2036.07    0.228   156.05
2036.17    0.230   156.70
2036.27    0.232   157.34
2036.37    0.234   157.96
2036.47    0.236   158.58
2036.57    0.238   159.19
2036.67    0.240   159.78
2036.77    0.241   160.37
2036.87    0.243   160.95
2036.97    0.245   161.52
2037.07    0.246   162.09
2037.17    0.248   162.65
2037.27    0.249   163.20
2037.37    0.250   163.75
2037.47    0.252   164.29
2037.57    0.253   164.83
2037.67    0.254   165.36
2037.77    0.255   165.88
2037.87    0.256   166.41
2037.97    0.257   166.93
2038.07    0.257   167.44
2038.17    0.258   167.96
2038.27    0.259   168.47
2038.37    0.259   168.97
2038.47    0.260   169.48
2038.57    0.260   169.98
2038.67    0.260   170.49
2038.77    0.261   170.99
2038.87    0.261   171.49
2038.97    0.261   171.99
2039.07    0.261   172.49
2039.17    0.261   173.00
2039.27    0.260   173.50
2039.37    0.260   174.00
2039.47    0.260   174.50
2039.57    0.259   175.01
2039.67    0.259   175.52
2039.77    0.258   176.02
2039.87    0.258   176.54
2039.97    0.257   177.05
2040.07    0.256   177.57
2040.17    0.255   178.09
2040.27    0.254   178.61
2040.37    0.253   179.14
2040.47    0.252   179.67
2040.57    0.251   180.21
2040.67    0.250   180.75
2040.77    0.249   181.30
2040.87    0.247   181.86

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 15:54:01