Double Star Calculator - Orbit

Orbital Elements for HDS1404AA,AB

WDS:	HDS1404AA,AB	WDS ID/Discoverer
P:	22.240	Orbital period (years)
a:	0.115	Semi-major axis (arcseconds)
i:	44.0	Inclination (degrees)
Ω:	160.9	Longitude of ascending node (degrees)
T:	2019.578	Epoch of periastron passage (year)
e:	0.694	Eccentricity
ω:	347.8	Longitude of periastron (degrees)
Start-Year:	2013.88	Year
End-Year:	2036.12	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1404AA,AB
Position:	094353.39-573812.4	Epoch-2000 right ascension and declination
WDS-ID:	09439-5738	WDS designation
Discoverer Code:	HDS1404AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	84534	HD catalog number
Hipparcos number:	47736	Hipparcos catalog number
V1:	8.26	Magnitude of the primary
V2:	9.82	Magnitude of the secondary
Equinox:		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:	Tok2021f	Reference

Double Star Orbit for HDS1404AA,AB

WDS 6th Orbit including measures of HDS1404AA,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 HDS1404AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.163   317.91
--------------------------
2013.88    0.159   350.20
2013.98    0.157   350.64
2014.08    0.156   351.10
2014.18    0.154   351.56
2014.28    0.152   352.03
2014.38    0.151   352.51
2014.48    0.149   353.01
2014.58    0.147   353.51
2014.68    0.146   354.03
2014.78    0.144   354.56
2014.88    0.142   355.10
2014.98    0.140   355.66
2015.08    0.138   356.23
2015.18    0.136   356.82
2015.28    0.134   357.43
2015.38    0.132   358.06
2015.48    0.130   358.70
2015.58    0.128   359.37
2015.68    0.125     0.07
2015.78    0.123     0.78
2015.88    0.121     1.53
2015.98    0.118     2.30
2016.08    0.116     3.11
2016.18    0.114     3.95
2016.28    0.111     4.83
2016.38    0.109     5.75
2016.48    0.106     6.71
2016.58    0.103     7.73
2016.68    0.100     8.80
2016.78    0.098     9.92
2016.88    0.095    11.12
2016.98    0.092    12.39
2017.08    0.089    13.74
2017.18    0.086    15.19
2017.28    0.083    16.74
2017.38    0.080    18.42
2017.48    0.077    20.23
2017.58    0.074    22.19
2017.68    0.070    24.33
2017.78    0.067    26.69
2017.88    0.064    29.28
2017.98    0.060    32.16
2018.08    0.057    35.37
2018.18    0.054    38.98
2018.28    0.051    43.05
2018.38    0.047    47.67
2018.48    0.044    52.94
2018.58    0.042    58.95
2018.68    0.039    65.81
2018.78    0.037    73.59
2018.88    0.035    82.28
2018.98    0.034    91.80
2019.08    0.033   101.94
2019.18    0.032   112.41
2019.28    0.033   122.88
2019.38    0.033   133.09
2019.48    0.034   142.89
2019.58    0.035   152.24
2019.68    0.036   161.20
2019.78    0.036   169.82
2019.88    0.037   178.20
2019.98    0.037   186.36
2020.08    0.038   194.32
2020.18    0.038   202.05
2020.28    0.039   209.51
2020.38    0.040   216.65
2020.48    0.041   223.40
2020.58    0.043   229.74
2020.68    0.044   235.64
2020.78    0.046   241.09
2020.88    0.048   246.11
2020.98    0.050   250.71
2021.08    0.052   254.93
2021.18    0.055   258.80
2021.28    0.057   262.34
2021.38    0.060   265.59
2021.48    0.062   268.58
2021.58    0.065   271.33
2021.68    0.067   273.88
2021.78    0.070   276.23
2021.88    0.072   278.42
2021.98    0.075   280.46
2022.08    0.078   282.36
2022.18    0.080   284.14
2022.28    0.083   285.81
2022.38    0.085   287.38
2022.48    0.088   288.86
2022.58    0.090   290.26
2022.68    0.093   291.58
2022.78    0.095   292.84
2022.88    0.098   294.03
2022.98    0.100   295.17
2023.08    0.102   296.25
2023.18    0.105   297.29
2023.28    0.107   298.28
2023.38    0.109   299.23
2023.48    0.111   300.14
2023.58    0.114   301.02
2023.68    0.116   301.86
2023.78    0.118   302.67
2023.88    0.120   303.46
2023.98    0.122   304.22
2024.08    0.124   304.95
2024.18    0.126   305.66
2024.28    0.128   306.35
2024.38    0.130   307.01
2024.48    0.132   307.66
2024.58    0.134   308.29
2024.68    0.135   308.90
2024.78    0.137   309.50
2024.88    0.139   310.08
2024.98    0.141   310.65
2025.08    0.142   311.20
2025.18    0.144   311.74
2025.28    0.146   312.27
2025.38    0.147   312.78
2025.48    0.149   313.29
2025.58    0.151   313.78
2025.68    0.152   314.26
2025.78    0.154   314.74
2025.88    0.155   315.20
2025.98    0.156   315.66
2026.08    0.158   316.11
2026.18    0.159   316.55
2026.28    0.161   316.98
2026.38    0.162   317.41
2026.48    0.163   317.83
2026.58    0.164   318.24
2026.68    0.166   318.65
2026.78    0.167   319.05
2026.88    0.168   319.45
2026.98    0.169   319.84
2027.08    0.170   320.22
2027.18    0.171   320.60
2027.28    0.173   320.98
2027.38    0.174   321.35
2027.48    0.175   321.71
2027.58    0.176   322.07
2027.68    0.176   322.43
2027.78    0.177   322.79
2027.88    0.178   323.14
2027.98    0.179   323.48
2028.08    0.180   323.83
2028.18    0.181   324.17
2028.28    0.182   324.50
2028.38    0.182   324.84
2028.48    0.183   325.17
2028.58    0.184   325.50
2028.68    0.185   325.83
2028.78    0.185   326.15
2028.88    0.186   326.47
2028.98    0.186   326.79
2029.08    0.187   327.11
2029.18    0.188   327.43
2029.28    0.188   327.74
2029.38    0.189   328.05
2029.48    0.189   328.37
2029.58    0.189   328.68
2029.68    0.190   328.98
2029.78    0.190   329.29
2029.88    0.191   329.60
2029.98    0.191   329.90
2030.08    0.191   330.20
2030.18    0.192   330.51
2030.28    0.192   330.81
2030.38    0.192   331.11
2030.48    0.192   331.41
2030.58    0.193   331.71
2030.68    0.193   332.01
2030.78    0.193   332.30
2030.88    0.193   332.60
2030.98    0.193   332.90
2031.08    0.193   333.20
2031.18    0.193   333.50
2031.28    0.193   333.79
2031.38    0.193   334.09
2031.48    0.193   334.39
2031.58    0.193   334.69
2031.68    0.193   334.98
2031.78    0.193   335.28
2031.88    0.192   335.58
2031.98    0.192   335.88
2032.08    0.192   336.18
2032.18    0.192   336.48
2032.28    0.192   336.78
2032.38    0.191   337.09
2032.48    0.191   337.39
2032.58    0.191   337.69
2032.68    0.190   338.00
2032.78    0.190   338.31
2032.88    0.189   338.62
2032.98    0.189   338.93
2033.08    0.188   339.24
2033.18    0.188   339.55
2033.28    0.187   339.87
2033.38    0.187   340.18
2033.48    0.186   340.50
2033.58    0.185   340.82
2033.68    0.185   341.15
2033.78    0.184   341.47
2033.88    0.183   341.80
2033.98    0.183   342.13
2034.08    0.182   342.47
2034.18    0.181   342.80
2034.28    0.180   343.14
2034.38    0.179   343.49
2034.48    0.178   343.83
2034.58    0.177   344.18
2034.68    0.176   344.54
2034.78    0.175   344.90
2034.88    0.174   345.26
2034.98    0.173   345.62
2035.08    0.172   346.00
2035.18    0.171   346.37
2035.28    0.170   346.75
2035.38    0.169   347.14
2035.48    0.167   347.53
2035.58    0.166   347.93
2035.68    0.165   348.34
2035.78    0.164   348.75
2035.88    0.162   349.16
2035.98    0.161   349.59
2036.08    0.159   350.02

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 16:20:27