Double Star Calculator - Orbit

Orbital Elements for HDS396

WDS:	HDS396	WDS ID/Discoverer
P:	34.500	Orbital period (years)
a:	0.317	Semi-major axis (arcseconds)
i:	131.8	Inclination (degrees)
Ω:	40.6	Longitude of ascending node (degrees)
T:	2021.010	Epoch of periastron passage (year)
e:	0.647	Eccentricity
ω:	259.1	Longitude of periastron (degrees)
Start-Year:	2007.75	Year
End-Year:	2042.25	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS396
Position:	030733.79-035817.0	Epoch-2000 right ascension and declination
WDS-ID:	03076-0358	WDS designation
Discoverer Code:	HDS396	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	14524	Hipparcos catalog number
V1:	11.69	Magnitude of the primary
V2:	11.71	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2021c	Reference

Double Star Orbit for HDS396

WDS 6th Orbit including measures of HDS396

-- 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 HDS396

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.304    17.53
--------------------------
2007.75    0.335   308.93
2007.85    0.334   308.45
2007.95    0.333   307.97
2008.05    0.333   307.49
2008.15    0.332   307.01
2008.25    0.331   306.53
2008.35    0.331   306.04
2008.45    0.330   305.55
2008.55    0.329   305.06
2008.65    0.329   304.57
2008.75    0.328   304.08
2008.85    0.327   303.58
2008.95    0.327   303.08
2009.05    0.326   302.58
2009.15    0.325   302.08
2009.25    0.325   301.57
2009.35    0.324   301.07
2009.45    0.323   300.56
2009.55    0.322   300.05
2009.65    0.322   299.53
2009.75    0.321   299.02
2009.85    0.320   298.50
2009.95    0.319   297.98
2010.05    0.319   297.45
2010.15    0.318   296.93
2010.25    0.317   296.40
2010.35    0.316   295.87
2010.45    0.316   295.34
2010.55    0.315   294.80
2010.65    0.314   294.26
2010.75    0.313   293.72
2010.85    0.313   293.18
2010.95    0.312   292.63
2011.05    0.311   292.08
2011.15    0.310   291.53
2011.25    0.309   290.97
2011.35    0.309   290.41
2011.45    0.308   289.85
2011.55    0.307   289.29
2011.65    0.306   288.72
2011.75    0.305   288.15
2011.85    0.304   287.57
2011.95    0.303   287.00
2012.05    0.303   286.42
2012.15    0.302   285.83
2012.25    0.301   285.24
2012.35    0.300   284.65
2012.45    0.299   284.06
2012.55    0.298   283.46
2012.65    0.297   282.86
2012.75    0.296   282.25
2012.85    0.295   281.64
2012.95    0.294   281.03
2013.05    0.293   280.41
2013.15    0.292   279.79
2013.25    0.291   279.16
2013.35    0.290   278.53
2013.45    0.289   277.90
2013.55    0.288   277.26
2013.65    0.287   276.62
2013.75    0.286   275.97
2013.85    0.285   275.31
2013.95    0.284   274.65
2014.05    0.283   273.99
2014.15    0.282   273.32
2014.25    0.281   272.65
2014.35    0.279   271.97
2014.45    0.278   271.28
2014.55    0.277   270.59
2014.65    0.276   269.89
2014.75    0.275   269.19
2014.85    0.273   268.48
2014.95    0.272   267.76
2015.05    0.271   267.04
2015.15    0.269   266.31
2015.25    0.268   265.57
2015.35    0.267   264.82
2015.45    0.265   264.07
2015.55    0.264   263.31
2015.65    0.262   262.54
2015.75    0.261   261.76
2015.85    0.259   260.97
2015.95    0.258   260.18
2016.05    0.256   259.37
2016.15    0.255   258.55
2016.25    0.253   257.72
2016.35    0.251   256.88
2016.45    0.249   256.03
2016.55    0.248   255.17
2016.65    0.246   254.30
2016.75    0.244   253.41
2016.85    0.242   252.50
2016.95    0.240   251.59
2017.05    0.238   250.65
2017.15    0.236   249.70
2017.25    0.234   248.73
2017.35    0.231   247.75
2017.45    0.229   246.74
2017.55    0.227   245.72
2017.65    0.224   244.67
2017.75    0.222   243.59
2017.85    0.219   242.50
2017.95    0.216   241.37
2018.05    0.213   240.22
2018.15    0.211   239.03
2018.25    0.208   237.81
2018.35    0.204   236.56
2018.45    0.201   235.26
2018.55    0.198   233.92
2018.65    0.194   232.53
2018.75    0.191   231.09
2018.85    0.187   229.59
2018.95    0.183   228.03
2019.05    0.179   226.40
2019.15    0.174   224.69
2019.25    0.170   222.89
2019.35    0.165   220.99
2019.45    0.160   218.98
2019.55    0.155   216.84
2019.65    0.150   214.55
2019.75    0.144   212.09
2019.85    0.139   209.43
2019.95    0.133   206.54
2020.05    0.127   203.38
2020.15    0.121   199.91
2020.25    0.114   196.05
2020.35    0.108   191.75
2020.45    0.102   186.92
2020.55    0.096   181.47
2020.65    0.090   175.31
2020.75    0.085   168.38
2020.85    0.081   160.63
2020.95    0.078   152.12
2021.05    0.076   143.01
2021.15    0.075   133.58
2021.25    0.076   124.19
2021.35    0.078   115.18
2021.45    0.082   106.83
2021.55    0.086    99.27
2021.65    0.092    92.54
2021.75    0.098    86.60
2021.85    0.104    81.37
2021.95    0.111    76.76
2022.05    0.118    72.68
2022.15    0.125    69.04
2022.25    0.131    65.79
2022.35    0.138    62.85
2022.45    0.145    60.19
2022.55    0.151    57.76
2022.65    0.158    55.53
2022.75    0.164    53.47
2022.85    0.170    51.56
2022.95    0.176    49.78
2023.05    0.182    48.12
2023.15    0.187    46.55
2023.25    0.193    45.08
2023.35    0.198    43.68
2023.45    0.203    42.35
2023.55    0.208    41.09
2023.65    0.213    39.89
2023.75    0.217    38.74
2023.85    0.222    37.63
2023.95    0.226    36.57
2024.05    0.231    35.55
2024.15    0.235    34.57
2024.25    0.239    33.62
2024.35    0.243    32.70
2024.45    0.246    31.81
2024.55    0.250    30.94
2024.65    0.254    30.10
2024.75    0.257    29.29
2024.85    0.260    28.49
2024.95    0.264    27.71
2025.05    0.267    26.96
2025.15    0.270    26.22
2025.25    0.273    25.50
2025.35    0.276    24.79
2025.45    0.279    24.10
2025.55    0.282    23.42
2025.65    0.284    22.75
2025.75    0.287    22.10
2025.85    0.289    21.45
2025.95    0.292    20.82
2026.05    0.294    20.20
2026.15    0.297    19.59
2026.25    0.299    18.99
2026.35    0.301    18.40
2026.45    0.303    17.81
2026.55    0.305    17.24
2026.65    0.307    16.67
2026.75    0.309    16.11
2026.85    0.311    15.56
2026.95    0.313    15.01
2027.05    0.315    14.47
2027.15    0.317    13.94
2027.25    0.319    13.41
2027.35    0.320    12.88
2027.45    0.322    12.37
2027.55    0.323    11.86
2027.65    0.325    11.35
2027.75    0.327    10.85
2027.85    0.328    10.35
2027.95    0.329     9.86
2028.05    0.331     9.37
2028.15    0.332     8.88
2028.25    0.333     8.40
2028.35    0.335     7.92
2028.45    0.336     7.45
2028.55    0.337     6.98
2028.65    0.338     6.51
2028.75    0.340     6.05
2028.85    0.341     5.59
2028.95    0.342     5.13
2029.05    0.343     4.67
2029.15    0.344     4.22
2029.25    0.345     3.77
2029.35    0.346     3.32
2029.45    0.347     2.88
2029.55    0.347     2.44
2029.65    0.348     2.00
2029.75    0.349     1.56
2029.85    0.350     1.12
2029.95    0.351     0.69
2030.05    0.352     0.26
2030.15    0.352   359.83
2030.25    0.353   359.40
2030.35    0.354   358.97
2030.45    0.354   358.55
2030.55    0.355   358.12
2030.65    0.356   357.70
2030.75    0.356   357.28
2030.85    0.357   356.86
2030.95    0.357   356.44
2031.05    0.358   356.02
2031.15    0.358   355.61
2031.25    0.359   355.19
2031.35    0.359   354.78
2031.45    0.360   354.37
2031.55    0.360   353.96
2031.65    0.360   353.55
2031.75    0.361   353.14
2031.85    0.361   352.73
2031.95    0.362   352.32
2032.05    0.362   351.91
2032.15    0.362   351.50
2032.25    0.362   351.10
2032.35    0.363   350.69
2032.45    0.363   350.29
2032.55    0.363   349.88
2032.65    0.363   349.48
2032.75    0.364   349.08
2032.85    0.364   348.67
2032.95    0.364   348.27
2033.05    0.364   347.87
2033.15    0.364   347.47
2033.25    0.364   347.07
2033.35    0.365   346.67
2033.45    0.365   346.26
2033.55    0.365   345.86
2033.65    0.365   345.46
2033.75    0.365   345.06
2033.85    0.365   344.66
2033.95    0.365   344.26
2034.05    0.365   343.86
2034.15    0.365   343.46
2034.25    0.365   343.06
2034.35    0.365   342.66
2034.45    0.365   342.26
2034.55    0.365   341.86
2034.65    0.365   341.46
2034.75    0.365   341.06
2034.85    0.365   340.66
2034.95    0.364   340.26
2035.05    0.364   339.86
2035.15    0.364   339.46
2035.25    0.364   339.05
2035.35    0.364   338.65
2035.45    0.364   338.25
2035.55    0.364   337.85
2035.65    0.363   337.44
2035.75    0.363   337.04
2035.85    0.363   336.64
2035.95    0.363   336.23
2036.05    0.363   335.83
2036.15    0.362   335.42
2036.25    0.362   335.02
2036.35    0.362   334.61
2036.45    0.362   334.20
2036.55    0.361   333.79
2036.65    0.361   333.39
2036.75    0.361   332.98
2036.85    0.361   332.57
2036.95    0.360   332.16
2037.05    0.360   331.75
2037.15    0.360   331.34
2037.25    0.359   330.92
2037.35    0.359   330.51
2037.45    0.359   330.10
2037.55    0.358   329.68
2037.65    0.358   329.27
2037.75    0.358   328.85
2037.85    0.357   328.43
2037.95    0.357   328.02
2038.05    0.357   327.60
2038.15    0.356   327.18
2038.25    0.356   326.76
2038.35    0.355   326.34
2038.45    0.355   325.91
2038.55    0.354   325.49
2038.65    0.354   325.06
2038.75    0.354   324.64
2038.85    0.353   324.21
2038.95    0.353   323.78
2039.05    0.352   323.36
2039.15    0.352   322.93
2039.25    0.351   322.49
2039.35    0.351   322.06
2039.45    0.350   321.63
2039.55    0.350   321.19
2039.65    0.349   320.76
2039.75    0.349   320.32
2039.85    0.348   319.88
2039.95    0.348   319.44
2040.05    0.347   319.00
2040.15    0.347   318.56
2040.25    0.346   318.12
2040.35    0.346   317.67
2040.45    0.345   317.22
2040.55    0.345   316.78
2040.65    0.344   316.33
2040.75    0.344   315.88
2040.85    0.343   315.42
2040.95    0.342   314.97
2041.05    0.342   314.52
2041.15    0.341   314.06
2041.25    0.341   313.60
2041.35    0.340   313.14
2041.45    0.340   312.68
2041.55    0.339   312.22
2041.65    0.338   311.75
2041.75    0.338   311.29
2041.85    0.337   310.82
2041.95    0.337   310.35
2042.05    0.336   309.88
2042.15    0.335   309.40

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 15:07:36