Double Star Calculator - Orbit

Orbital Elements for HDS2273AA,AB
WDS: HDS2273AA,AB WDS ID/Discoverer
P: 33.000 Orbital period (years)
a: 0.3512 Semi-major axis (arcseconds)
i: 35.1 Inclination (degrees)
Ω: 160.6 Longitude of ascending node (degrees)
T: 1992.970 Epoch of periastron passage (year)
e: 0.426 Eccentricity
ω: 234.6 Longitude of periastron (degrees)
Start-Year: 2008.5 Year
End-Year: 2041.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS2273AA,AB
Position: 160553.36+104105.9 Epoch-2000 right ascension and declination
WDS-ID: 16059+1041 WDS designation
Discoverer Code: HDS2273AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 144515 HD catalog number
Hipparcos number: 78864 Hipparcos catalog number
V1: 8.80 Magnitude of the primary
V2: 10.00 Magnitude of the secondary
Equinox: Equinox
Date: 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: Tok2020e Reference

Double Star Orbit for HDS2273AA,AB



WDS 6th Orbit including measures of HDS2273AA,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 HDS2273AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.171    47.03
--------------------------
2008.50    0.449   204.76
2008.60    0.448   205.25
2008.70    0.448   205.75
2008.80    0.447   206.25
2008.90    0.446   206.75
2009.00    0.446   207.25
2009.10    0.445   207.75
2009.20    0.444   208.25
2009.30    0.444   208.76
2009.40    0.443   209.27
2009.50    0.442   209.77
2009.60    0.441   210.28
2009.70    0.441   210.80
2009.80    0.440   211.31
2009.90    0.439   211.83
2010.00    0.438   212.34
2010.10    0.437   212.86
2010.20    0.436   213.39
2010.30    0.435   213.91
2010.40    0.435   214.44
2010.50    0.434   214.97
2010.60    0.433   215.50
2010.70    0.432   216.03
2010.80    0.431   216.56
2010.90    0.430   217.10
2011.00    0.429   217.64
2011.10    0.428   218.19
2011.20    0.427   218.73
2011.30    0.426   219.28
2011.40    0.424   219.83
2011.50    0.423   220.39
2011.60    0.422   220.94
2011.70    0.421   221.50
2011.80    0.420   222.07
2011.90    0.419   222.63
2012.00    0.418   223.20
2012.10    0.416   223.78
2012.20    0.415   224.35
2012.30    0.414   224.93
2012.40    0.413   225.51
2012.50    0.412   226.10
2012.60    0.410   226.69
2012.70    0.409   227.28
2012.80    0.408   227.88
2012.90    0.407   228.48
2013.00    0.405   229.09
2013.10    0.404   229.69
2013.20    0.403   230.31
2013.30    0.401   230.92
2013.40    0.400   231.54
2013.50    0.399   232.17
2013.60    0.397   232.80
2013.70    0.396   233.43
2013.80    0.394   234.07
2013.90    0.393   234.71
2014.00    0.392   235.36
2014.10    0.390   236.01
2014.20    0.389   236.67
2014.30    0.388   237.33
2014.40    0.386   237.99
2014.50    0.385   238.66
2014.60    0.383   239.34
2014.70    0.382   240.02
2014.80    0.380   240.70
2014.90    0.379   241.40
2015.00    0.377   242.09
2015.10    0.376   242.79
2015.20    0.375   243.50
2015.30    0.373   244.21
2015.40    0.372   244.93
2015.50    0.370   245.66
2015.60    0.369   246.39
2015.70    0.367   247.12
2015.80    0.366   247.86
2015.90    0.364   248.61
2016.00    0.363   249.37
2016.10    0.361   250.13
2016.20    0.360   250.89
2016.30    0.358   251.66
2016.40    0.357   252.44
2016.50    0.355   253.23
2016.60    0.354   254.02
2016.70    0.352   254.82
2016.80    0.351   255.63
2016.90    0.349   256.44
2017.00    0.348   257.26
2017.10    0.346   258.09
2017.20    0.345   258.92
2017.30    0.343   259.76
2017.40    0.342   260.61
2017.50    0.340   261.47
2017.60    0.339   262.33
2017.70    0.337   263.20
2017.80    0.336   264.08
2017.90    0.334   264.97
2018.00    0.333   265.87
2018.10    0.331   266.77
2018.20    0.330   267.68
2018.30    0.328   268.60
2018.40    0.327   269.53
2018.50    0.325   270.46
2018.60    0.324   271.41
2018.70    0.322   272.36
2018.80    0.321   273.32
2018.90    0.320   274.30
2019.00    0.318   275.28
2019.10    0.317   276.27
2019.20    0.315   277.26
2019.30    0.314   278.27
2019.40    0.312   279.29
2019.50    0.311   280.32
2019.60    0.309   281.35
2019.70    0.308   282.40
2019.80    0.306   283.46
2019.90    0.305   284.52
2020.00    0.303   285.60
2020.10    0.302   286.69
2020.20    0.300   287.79
2020.30    0.299   288.90
2020.40    0.297   290.02
2020.50    0.296   291.15
2020.60    0.294   292.29
2020.70    0.293   293.45
2020.80    0.291   294.62
2020.90    0.290   295.80
2021.00    0.288   296.99
2021.10    0.287   298.19
2021.20    0.285   299.41
2021.30    0.284   300.64
2021.40    0.282   301.89
2021.50    0.280   303.15
2021.60    0.279   304.42
2021.70    0.277   305.71
2021.80    0.275   307.02
2021.90    0.274   308.34
2022.00    0.272   309.68
2022.10    0.270   311.03
2022.20    0.268   312.40
2022.30    0.267   313.79
2022.40    0.265   315.20
2022.50    0.263   316.63
2022.60    0.261   318.08
2022.70    0.259   319.56
2022.80    0.257   321.05
2022.90    0.255   322.57
2023.00    0.253   324.11
2023.10    0.251   325.68
2023.20    0.249   327.27
2023.30    0.247   328.90
2023.40    0.244   330.55
2023.50    0.242   332.23
2023.60    0.240   333.95
2023.70    0.237   335.70
2023.80    0.235   337.49
2023.90    0.232   339.31
2024.00    0.230   341.18
2024.10    0.227   343.09
2024.20    0.225   345.04
2024.30    0.222   347.04
2024.40    0.219   349.09
2024.50    0.216   351.19
2024.60    0.214   353.34
2024.70    0.211   355.56
2024.80    0.208   357.83
2024.90    0.205     0.17
2025.00    0.202     2.57
2025.10    0.199     5.04
2025.20    0.197     7.58
2025.30    0.194    10.20
2025.40    0.191    12.88
2025.50    0.189    15.64
2025.60    0.186    18.48
2025.70    0.184    21.39
2025.80    0.182    24.38
2025.90    0.179    27.44
2026.00    0.178    30.57
2026.10    0.176    33.76
2026.20    0.174    37.01
2026.30    0.173    40.31
2026.40    0.172    43.65
2026.50    0.171    47.03
2026.60    0.171    50.43
2026.70    0.171    53.84
2026.80    0.171    57.25
2026.90    0.171    60.65
2027.00    0.172    64.03
2027.10    0.173    67.37
2027.20    0.175    70.66
2027.30    0.176    73.90
2027.40    0.178    77.07
2027.50    0.180    80.17
2027.60    0.183    83.20
2027.70    0.185    86.14
2027.80    0.188    88.99
2027.90    0.191    91.75
2028.00    0.195    94.43
2028.10    0.198    97.02
2028.20    0.202    99.51
2028.30    0.205   101.92
2028.40    0.209   104.24
2028.50    0.213   106.48
2028.60    0.217   108.64
2028.70    0.221   110.71
2028.80    0.225   112.72
2028.90    0.229   114.65
2029.00    0.233   116.51
2029.10    0.238   118.30
2029.20    0.242   120.03
2029.30    0.246   121.71
2029.40    0.251   123.32
2029.50    0.255   124.88
2029.60    0.259   126.39
2029.70    0.263   127.85
2029.80    0.267   129.26
2029.90    0.272   130.63
2030.00    0.276   131.96
2030.10    0.280   133.25
2030.20    0.284   134.50
2030.30    0.288   135.72
2030.40    0.292   136.90
2030.50    0.296   138.05
2030.60    0.300   139.17
2030.70    0.304   140.27
2030.80    0.308   141.33
2030.90    0.312   142.37
2031.00    0.315   143.38
2031.10    0.319   144.37
2031.20    0.323   145.34
2031.30    0.326   146.28
2031.40    0.330   147.21
2031.50    0.333   148.11
2031.60    0.337   149.00
2031.70    0.340   149.87
2031.80    0.343   150.72
2031.90    0.347   151.56
2032.00    0.350   152.38
2032.10    0.353   153.19
2032.20    0.356   153.98
2032.30    0.359   154.76
2032.40    0.362   155.52
2032.50    0.365   156.27
2032.60    0.368   157.02
2032.70    0.371   157.75
2032.80    0.374   158.46
2032.90    0.376   159.17
2033.00    0.379   159.87
2033.10    0.381   160.56
2033.20    0.384   161.24
2033.30    0.387   161.91
2033.40    0.389   162.57
2033.50    0.391   163.23
2033.60    0.394   163.87
2033.70    0.396   164.51
2033.80    0.398   165.15
2033.90    0.400   165.77
2034.00    0.403   166.39
2034.10    0.405   167.00
2034.20    0.407   167.60
2034.30    0.409   168.20
2034.40    0.411   168.80
2034.50    0.412   169.39
2034.60    0.414   169.97
2034.70    0.416   170.55
2034.80    0.418   171.12
2034.90    0.419   171.69
2035.00    0.421   172.25
2035.10    0.423   172.81
2035.20    0.424   173.37
2035.30    0.426   173.92
2035.40    0.427   174.47
2035.50    0.429   175.01
2035.60    0.430   175.55
2035.70    0.431   176.09
2035.80    0.433   176.62
2035.90    0.434   177.15
2036.00    0.435   177.68
2036.10    0.436   178.20
2036.20    0.438   178.72
2036.30    0.439   179.24
2036.40    0.440   179.76
2036.50    0.441   180.27
2036.60    0.442   180.79
2036.70    0.443   181.29
2036.80    0.443   181.80
2036.90    0.444   182.31
2037.00    0.445   182.81
2037.10    0.446   183.31
2037.20    0.447   183.81
2037.30    0.447   184.31
2037.40    0.448   184.81
2037.50    0.449   185.30
2037.60    0.449   185.80
2037.70    0.450   186.29
2037.80    0.450   186.78
2037.90    0.451   187.27
2038.00    0.451   187.76
2038.10    0.452   188.25
2038.20    0.452   188.74
2038.30    0.453   189.22
2038.40    0.453   189.71
2038.50    0.453   190.20
2038.60    0.453   190.68
2038.70    0.454   191.16
2038.80    0.454   191.65
2038.90    0.454   192.13
2039.00    0.454   192.61
2039.10    0.454   193.10
2039.20    0.454   193.58
2039.30    0.454   194.06
2039.40    0.454   194.54
2039.50    0.454   195.03
2039.60    0.454   195.51
2039.70    0.454   195.99
2039.80    0.454   196.47
2039.90    0.454   196.96
2040.00    0.454   197.44
2040.10    0.454   197.92
2040.20    0.454   198.41
2040.30    0.453   198.89
2040.40    0.453   199.38
2040.50    0.453   199.86
2040.60    0.453   200.35
2040.70    0.452   200.83
2040.80    0.452   201.32
2040.90    0.451   201.81
2041.00    0.451   202.30
2041.10    0.451   202.79
2041.20    0.450   203.28
2041.30    0.450   203.77
2041.40    0.449   204.26






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 17:22:54



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