Double Star Calculator - Orbit

Orbital Elements for A2329

WDS:	A2329	WDS ID/Discoverer
P:	25.255	Orbital period (years)
a:	0.55984	Semi-major axis (arcseconds)
i:	73.389	Inclination (degrees)
Ω:	109.116	Longitude of ascending node (degrees)
T:	2013.341	Epoch of periastron passage (year)
e:	0.2354	Eccentricity
ω:	231.49	Longitude of periastron (degrees)
Start-Year:	2012.3725	Year
End-Year:	2037.6275	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2329
Position:	022745.86+042555.9	Epoch-2000 right ascension and declination
WDS-ID:	02278+0426	WDS designation
Discoverer Code:	A2329	Discover designation and components
ADS number:	1865	Aitken Double Star catalog
HD number:	15285	HD catalog number
Hipparcos number:	11452	Hipparcos catalog number
V1:	9.45	Magnitude of the primary
V2:	9.63	Magnitude of the secondary
Equinox:		Equinox
Date:	2017	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:	MnA2019	Reference

Double Star Orbit for A2329

WDS 6th Orbit including measures of A2329

-- 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 A2329

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.417   132.33
--------------------------
2012.37    0.386   298.03
2012.47    0.377   298.89
2012.57    0.367   299.79
2012.67    0.357   300.73
2012.77    0.347   301.73
2012.87    0.337   302.79
2012.97    0.326   303.93
2013.07    0.315   305.14
2013.17    0.303   306.44
2013.27    0.291   307.84
2013.37    0.279   309.37
2013.47    0.267   311.03
2013.57    0.255   312.85
2013.67    0.243   314.85
2013.77    0.231   317.07
2013.87    0.218   319.54
2013.97    0.206   322.30
2014.07    0.194   325.40
2014.17    0.183   328.89
2014.27    0.172   332.84
2014.37    0.162   337.30
2014.47    0.152   342.34
2014.57    0.144   347.99
2014.67    0.137   354.27
2014.77    0.132     1.11
2014.87    0.129     8.41
2014.97    0.128    15.98
2015.07    0.128    23.58
2015.17    0.131    30.97
2015.27    0.136    37.94
2015.37    0.142    44.36
2015.47    0.150    50.17
2015.57    0.159    55.35
2015.67    0.170    59.95
2015.77    0.180    64.00
2015.87    0.192    67.59
2015.97    0.204    70.76
2016.07    0.216    73.57
2016.17    0.229    76.08
2016.27    0.241    78.33
2016.37    0.254    80.35
2016.47    0.267    82.18
2016.57    0.280    83.84
2016.67    0.293    85.35
2016.77    0.305    86.74
2016.87    0.318    88.02
2016.97    0.331    89.20
2017.07    0.343    90.29
2017.17    0.355    91.31
2017.27    0.367    92.26
2017.37    0.379    93.16
2017.47    0.390    94.00
2017.57    0.402    94.79
2017.67    0.413    95.54
2017.77    0.424    96.25
2017.87    0.434    96.92
2017.97    0.444    97.57
2018.07    0.455    98.18
2018.17    0.464    98.77
2018.27    0.474    99.33
2018.37    0.483    99.87
2018.47    0.492   100.40
2018.57    0.501   100.90
2018.67    0.509   101.39
2018.77    0.517   101.86
2018.87    0.525   102.31
2018.97    0.533   102.76
2019.07    0.540   103.19
2019.17    0.547   103.61
2019.27    0.554   104.02
2019.37    0.560   104.42
2019.47    0.567   104.81
2019.57    0.572   105.19
2019.67    0.578   105.57
2019.77    0.583   105.93
2019.87    0.588   106.30
2019.97    0.593   106.65
2020.07    0.598   107.00
2020.17    0.602   107.35
2020.27    0.606   107.69
2020.37    0.609   108.02
2020.47    0.613   108.36
2020.57    0.616   108.69
2020.67    0.619   109.01
2020.77    0.621   109.33
2020.87    0.624   109.65
2020.97    0.626   109.97
2021.07    0.628   110.29
2021.17    0.629   110.60
2021.27    0.630   110.92
2021.37    0.632   111.23
2021.47    0.632   111.54
2021.57    0.633   111.85
2021.67    0.633   112.16
2021.77    0.633   112.47
2021.87    0.633   112.78
2021.97    0.633   113.09
2022.07    0.632   113.40
2022.17    0.631   113.71
2022.27    0.630   114.02
2022.37    0.629   114.33
2022.47    0.627   114.65
2022.57    0.626   114.96
2022.67    0.624   115.28
2022.77    0.621   115.60
2022.87    0.619   115.93
2022.97    0.617   116.25
2023.07    0.614   116.58
2023.17    0.611   116.91
2023.27    0.608   117.24
2023.37    0.604   117.58
2023.47    0.601   117.92
2023.57    0.597   118.27
2023.67    0.593   118.62
2023.77    0.589   118.98
2023.87    0.584   119.34
2023.97    0.580   119.70
2024.07    0.575   120.08
2024.17    0.570   120.46
2024.27    0.565   120.84
2024.37    0.560   121.23
2024.47    0.555   121.63
2024.57    0.549   122.04
2024.67    0.544   122.45
2024.77    0.538   122.88
2024.87    0.532   123.31
2024.97    0.526   123.76
2025.07    0.519   124.21
2025.17    0.513   124.68
2025.27    0.506   125.16
2025.37    0.500   125.65
2025.47    0.493   126.15
2025.57    0.486   126.67
2025.67    0.479   127.20
2025.77    0.472   127.75
2025.87    0.465   128.32
2025.97    0.457   128.90
2026.07    0.450   129.50
2026.17    0.442   130.13
2026.27    0.435   130.77
2026.37    0.427   131.44
2026.47    0.419   132.14
2026.57    0.411   132.86
2026.67    0.403   133.60
2026.77    0.395   134.38
2026.87    0.387   135.19
2026.97    0.379   136.04
2027.07    0.371   136.92
2027.17    0.363   137.85
2027.27    0.354   138.81
2027.37    0.346   139.82
2027.47    0.338   140.88
2027.57    0.330   142.00
2027.67    0.322   143.17
2027.77    0.313   144.40
2027.87    0.305   145.70
2027.97    0.297   147.07
2028.07    0.289   148.51
2028.17    0.281   150.04
2028.27    0.274   151.65
2028.37    0.266   153.36
2028.47    0.258   155.16
2028.57    0.251   157.08
2028.67    0.244   159.11
2028.77    0.237   161.25
2028.87    0.231   163.52
2028.97    0.224   165.93
2029.07    0.218   168.46
2029.17    0.213   171.14
2029.27    0.207   173.95
2029.37    0.203   176.91
2029.47    0.198   179.99
2029.57    0.195   183.21
2029.67    0.192   186.53
2029.77    0.189   189.96
2029.87    0.187   193.48
2029.97    0.186   197.05
2030.07    0.185   200.66
2030.17    0.185   204.29
2030.27    0.186   207.90
2030.37    0.187   211.47
2030.47    0.189   214.98
2030.57    0.192   218.40
2030.67    0.195   221.73
2030.77    0.199   224.94
2030.87    0.203   228.02
2030.97    0.208   230.97
2031.07    0.213   233.78
2031.17    0.218   236.46
2031.27    0.224   238.99
2031.37    0.230   241.40
2031.47    0.237   243.68
2031.57    0.244   245.83
2031.67    0.250   247.86
2031.77    0.258   249.79
2031.87    0.265   251.61
2031.97    0.272   253.33
2032.07    0.280   254.96
2032.17    0.287   256.50
2032.27    0.295   257.97
2032.37    0.302   259.36
2032.47    0.310   260.69
2032.57    0.318   261.95
2032.67    0.325   263.15
2032.77    0.333   264.29
2032.87    0.340   265.39
2032.97    0.348   266.44
2033.07    0.355   267.44
2033.17    0.362   268.41
2033.27    0.369   269.34
2033.37    0.376   270.23
2033.47    0.383   271.09
2033.57    0.390   271.92
2033.67    0.396   272.73
2033.77    0.402   273.51
2033.87    0.408   274.26
2033.97    0.414   275.00
2034.07    0.420   275.71
2034.17    0.425   276.41
2034.27    0.430   277.08
2034.37    0.435   277.75
2034.47    0.440   278.40
2034.57    0.444   279.03
2034.67    0.448   279.66
2034.77    0.452   280.27
2034.87    0.455   280.87
2034.97    0.458   281.47
2035.07    0.461   282.06
2035.17    0.463   282.64
2035.27    0.465   283.21
2035.37    0.467   283.79
2035.47    0.468   284.36
2035.57    0.469   284.92
2035.67    0.469   285.49
2035.77    0.469   286.05
2035.87    0.468   286.62
2035.97    0.468   287.18
2036.07    0.466   287.75
2036.17    0.464   288.33
2036.27    0.462   288.90
2036.37    0.459   289.49
2036.47    0.456   290.08
2036.57    0.453   290.68
2036.67    0.449   291.29
2036.77    0.444   291.92
2036.87    0.439   292.55
2036.97    0.433   293.21
2037.07    0.427   293.88
2037.17    0.421   294.57
2037.27    0.414   295.28
2037.37    0.406   296.02
2037.47    0.399   296.78
2037.57    0.390   297.58

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 15:00:27