Double Star Calculator - Orbit

Orbital Elements for HDS732AA,AB

WDS:	HDS732AA,AB	WDS ID/Discoverer
P:	21.900	Orbital period (years)
a:	0.162	Semi-major axis (arcseconds)
i:	76.0	Inclination (degrees)
Ω:	313.1	Longitude of ascending node (degrees)
T:	2020.609	Epoch of periastron passage (year)
e:	0.85	Eccentricity
ω:	245.2	Longitude of periastron (degrees)
Start-Year:	2014.05	Year
End-Year:	2035.95	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS732AA,AB
Position:	053326.80-492239.3	Epoch-2000 right ascension and declination
WDS-ID:	05334-4923	WDS designation
Discoverer Code:	HDS732AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	37106	HD catalog number
Hipparcos number:	26050	Hipparcos catalog number
V1:	7.62	Magnitude of the primary
V2:	8.62	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2019c	Reference

Double Star Orbit for HDS732AA,AB

WDS 6th Orbit including measures of HDS732AA,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 HDS732AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.168   329.72
--------------------------
2014.05    0.086   359.91
2014.15    0.085     0.66
2014.25    0.083     1.43
2014.35    0.082     2.24
2014.45    0.081     3.07
2014.55    0.079     3.94
2014.65    0.078     4.83
2014.75    0.076     5.76
2014.85    0.075     6.72
2014.95    0.073     7.73
2015.05    0.072     8.77
2015.15    0.071     9.85
2015.25    0.069    10.98
2015.35    0.068    12.15
2015.45    0.066    13.37
2015.55    0.065    14.65
2015.65    0.064    15.97
2015.75    0.062    17.36
2015.85    0.061    18.80
2015.95    0.060    20.31
2016.05    0.059    21.88
2016.15    0.057    23.52
2016.25    0.056    25.23
2016.35    0.055    27.01
2016.45    0.054    28.87
2016.55    0.053    30.80
2016.65    0.052    32.82
2016.75    0.051    34.91
2016.85    0.050    37.09
2016.95    0.049    39.35
2017.05    0.048    41.69
2017.15    0.047    44.10
2017.25    0.047    46.60
2017.35    0.046    49.16
2017.45    0.045    51.80
2017.55    0.045    54.49
2017.65    0.045    57.24
2017.75    0.044    60.04
2017.85    0.044    62.88
2017.95    0.044    65.74
2018.05    0.044    68.62
2018.15    0.044    71.51
2018.25    0.044    74.40
2018.35    0.044    77.28
2018.45    0.044    80.14
2018.55    0.044    82.97
2018.65    0.044    85.77
2018.75    0.045    88.52
2018.85    0.045    91.24
2018.95    0.046    93.90
2019.05    0.046    96.52
2019.15    0.046    99.09
2019.25    0.047   101.62
2019.35    0.047   104.10
2019.45    0.048   106.55
2019.55    0.048   108.97
2019.65    0.048   111.38
2019.75    0.048   113.79
2019.85    0.047   116.23
2019.95    0.047   118.72
2020.05    0.045   121.31
2020.15    0.043   124.09
2020.25    0.041   127.19
2020.35    0.036   130.91
2020.45    0.029   136.06
2020.55    0.019   145.82
2020.65    0.007   189.30
2020.75    0.013   284.06
2020.85    0.026   300.03
2020.95    0.038   305.58
2021.05    0.048   308.62
2021.15    0.057   310.65
2021.25    0.064   312.16
2021.35    0.071   313.35
2021.45    0.078   314.34
2021.55    0.084   315.18
2021.65    0.089   315.93
2021.75    0.094   316.59
2021.85    0.098   317.18
2021.95    0.103   317.73
2022.05    0.107   318.23
2022.15    0.110   318.70
2022.25    0.114   319.14
2022.35    0.117   319.55
2022.45    0.120   319.94
2022.55    0.123   320.31
2022.65    0.126   320.67
2022.75    0.128   321.01
2022.85    0.131   321.34
2022.95    0.133   321.65
2023.05    0.135   321.96
2023.15    0.138   322.25
2023.25    0.140   322.54
2023.35    0.141   322.82
2023.45    0.143   323.09
2023.55    0.145   323.35
2023.65    0.147   323.61
2023.75    0.148   323.86
2023.85    0.150   324.11
2023.95    0.151   324.36
2024.05    0.152   324.59
2024.15    0.154   324.83
2024.25    0.155   325.06
2024.35    0.156   325.29
2024.45    0.157   325.51
2024.55    0.158   325.74
2024.65    0.159   325.96
2024.75    0.160   326.17
2024.85    0.161   326.39
2024.95    0.161   326.60
2025.05    0.162   326.81
2025.15    0.163   327.02
2025.25    0.163   327.22
2025.35    0.164   327.43
2025.45    0.164   327.63
2025.55    0.165   327.84
2025.65    0.165   328.04
2025.75    0.166   328.24
2025.85    0.166   328.44
2025.95    0.167   328.64
2026.05    0.167   328.83
2026.15    0.167   329.03
2026.25    0.167   329.23
2026.35    0.168   329.42
2026.45    0.168   329.62
2026.55    0.168   329.81
2026.65    0.168   330.01
2026.75    0.168   330.20
2026.85    0.168   330.40
2026.95    0.168   330.59
2027.05    0.168   330.79
2027.15    0.168   330.98
2027.25    0.168   331.18
2027.35    0.168   331.37
2027.45    0.168   331.57
2027.55    0.167   331.77
2027.65    0.167   331.96
2027.75    0.167   332.16
2027.85    0.167   332.36
2027.95    0.166   332.55
2028.05    0.166   332.75
2028.15    0.166   332.95
2028.25    0.165   333.15
2028.35    0.165   333.36
2028.45    0.165   333.56
2028.55    0.164   333.76
2028.65    0.164   333.97
2028.75    0.163   334.17
2028.85    0.163   334.38
2028.95    0.162   334.59
2029.05    0.162   334.80
2029.15    0.161   335.01
2029.25    0.161   335.22
2029.35    0.160   335.43
2029.45    0.159   335.65
2029.55    0.159   335.87
2029.65    0.158   336.09
2029.75    0.157   336.31
2029.85    0.157   336.53
2029.95    0.156   336.76
2030.05    0.155   336.98
2030.15    0.154   337.21
2030.25    0.154   337.44
2030.35    0.153   337.68
2030.45    0.152   337.92
2030.55    0.151   338.15
2030.65    0.150   338.40
2030.75    0.149   338.64
2030.85    0.149   338.89
2030.95    0.148   339.14
2031.05    0.147   339.39
2031.15    0.146   339.65
2031.25    0.145   339.91
2031.35    0.144   340.17
2031.45    0.143   340.44
2031.55    0.142   340.71
2031.65    0.141   340.99
2031.75    0.140   341.26
2031.85    0.139   341.55
2031.95    0.138   341.83
2032.05    0.137   342.13
2032.15    0.136   342.42
2032.25    0.135   342.72
2032.35    0.134   343.03
2032.45    0.132   343.34
2032.55    0.131   343.66
2032.65    0.130   343.98
2032.75    0.129   344.31
2032.85    0.128   344.64
2032.95    0.127   344.98
2033.05    0.125   345.33
2033.15    0.124   345.68
2033.25    0.123   346.04
2033.35    0.122   346.41
2033.45    0.120   346.78
2033.55    0.119   347.16
2033.65    0.118   347.56
2033.75    0.117   347.96
2033.85    0.115   348.36
2033.95    0.114   348.78
2034.05    0.113   349.21
2034.15    0.111   349.65
2034.25    0.110   350.10
2034.35    0.109   350.55
2034.45    0.107   351.03
2034.55    0.106   351.51
2034.65    0.105   352.00
2034.75    0.103   352.51
2034.85    0.102   353.04
2034.95    0.101   353.57
2035.05    0.099   354.12
2035.15    0.098   354.69
2035.25    0.096   355.28
2035.35    0.095   355.88
2035.45    0.093   356.50
2035.55    0.092   357.14
2035.65    0.091   357.80
2035.75    0.089   358.48
2035.85    0.088   359.18
2035.95    0.086   359.91

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 15:38:38