Double Star Calculator - Orbit

Orbital Elements for HDS404
WDS: HDS404 WDS ID/Discoverer
P: 25.670 Orbital period (years)
a: 0.5345 Semi-major axis (arcseconds)
i: 97.186 Inclination (degrees)
Ω: 13.732 Longitude of ascending node (degrees)
T: 2034.721 Epoch of periastron passage (year)
e: 0.2271 Eccentricity
ω: 181.38 Longitude of periastron (degrees)
Start-Year: 2012.165 Year
End-Year: 2037.835 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS404
Position: 030930.81+454358.3 Epoch-2000 right ascension and declination
WDS-ID: 03095+4544 WDS designation
Discoverer Code: HDS404 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 14669 Hipparcos catalog number
V1: 10.32 Magnitude of the primary
V2: 12.50 Magnitude of the secondary
Equinox: Equinox
Date: 2016 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: MnA2019 Reference

Double Star Orbit for HDS404



WDS 6th Orbit including measures of HDS404

-- 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 HDS404
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.427     6.46
--------------------------
2012.16    0.189   177.28
2012.26    0.177   175.81
2012.36    0.165   174.14
2012.46    0.153   172.22
2012.56    0.142   169.98
2012.66    0.130   167.34
2012.76    0.119   164.19
2012.86    0.108   160.41
2012.96    0.098   155.79
2013.06    0.088   150.11
2013.16    0.079   143.11
2013.26    0.072   134.53
2013.36    0.067   124.30
2013.46    0.064   112.69
2013.56    0.063   100.46
2013.66    0.066    88.65
2013.76    0.071    78.11
2013.86    0.078    69.21
2013.96    0.086    61.91
2014.06    0.096    56.00
2014.16    0.106    51.20
2014.26    0.117    47.27
2014.36    0.128    44.02
2014.46    0.140    41.30
2014.56    0.152    39.00
2014.66    0.163    37.03
2014.76    0.175    35.33
2014.86    0.187    33.84
2014.96    0.199    32.53
2015.06    0.211    31.37
2015.16    0.223    30.34
2015.26    0.235    29.41
2015.36    0.247    28.57
2015.46    0.258    27.80
2015.56    0.270    27.10
2015.66    0.281    26.46
2015.76    0.293    25.86
2015.86    0.304    25.32
2015.96    0.315    24.81
2016.06    0.326    24.33
2016.16    0.337    23.89
2016.26    0.348    23.47
2016.36    0.358    23.08
2016.46    0.369    22.71
2016.56    0.379    22.36
2016.66    0.389    22.03
2016.76    0.399    21.72
2016.86    0.409    21.42
2016.96    0.419    21.14
2017.06    0.428    20.86
2017.16    0.438    20.60
2017.26    0.447    20.35
2017.36    0.456    20.11
2017.46    0.465    19.88
2017.56    0.473    19.66
2017.66    0.482    19.45
2017.76    0.490    19.24
2017.86    0.498    19.04
2017.96    0.506    18.85
2018.06    0.513    18.66
2018.16    0.521    18.48
2018.26    0.528    18.30
2018.36    0.535    18.13
2018.46    0.542    17.96
2018.56    0.549    17.79
2018.66    0.555    17.63
2018.76    0.562    17.48
2018.86    0.568    17.32
2018.96    0.574    17.17
2019.06    0.579    17.03
2019.16    0.585    16.88
2019.26    0.590    16.74
2019.36    0.595    16.60
2019.46    0.600    16.47
2019.56    0.605    16.33
2019.66    0.609    16.20
2019.76    0.614    16.07
2019.86    0.618    15.94
2019.96    0.622    15.81
2020.06    0.625    15.69
2020.16    0.629    15.56
2020.26    0.632    15.44
2020.36    0.635    15.32
2020.46    0.638    15.20
2020.56    0.641    15.08
2020.66    0.643    14.96
2020.76    0.645    14.84
2020.86    0.647    14.73
2020.96    0.649    14.61
2021.06    0.651    14.49
2021.16    0.652    14.38
2021.26    0.653    14.27
2021.36    0.654    14.15
2021.46    0.655    14.04
2021.56    0.655    13.92
2021.66    0.656    13.81
2021.76    0.656    13.70
2021.86    0.656    13.58
2021.96    0.655    13.47
2022.06    0.655    13.36
2022.16    0.654    13.24
2022.26    0.653    13.13
2022.36    0.652    13.01
2022.46    0.651    12.90
2022.56    0.649    12.78
2022.66    0.647    12.67
2022.76    0.645    12.55
2022.86    0.643    12.43
2022.96    0.641    12.31
2023.06    0.638    12.19
2023.16    0.635    12.07
2023.26    0.632    11.95
2023.36    0.629    11.83
2023.46    0.626    11.71
2023.56    0.622    11.58
2023.66    0.618    11.45
2023.76    0.614    11.32
2023.86    0.610    11.19
2023.96    0.605    11.06
2024.06    0.601    10.93
2024.16    0.596    10.79
2024.26    0.591    10.65
2024.36    0.586    10.51
2024.46    0.580    10.37
2024.56    0.575    10.22
2024.66    0.569    10.07
2024.76    0.563     9.92
2024.86    0.556     9.76
2024.96    0.550     9.60
2025.06    0.543     9.44
2025.16    0.536     9.27
2025.26    0.529     9.10
2025.36    0.522     8.93
2025.46    0.515     8.74
2025.56    0.507     8.56
2025.66    0.499     8.36
2025.76    0.491     8.17
2025.86    0.483     7.96
2025.96    0.475     7.75
2026.06    0.466     7.53
2026.16    0.458     7.30
2026.26    0.449     7.06
2026.36    0.440     6.81
2026.46    0.431     6.56
2026.56    0.421     6.29
2026.66    0.412     6.01
2026.76    0.402     5.71
2026.86    0.392     5.40
2026.96    0.382     5.08
2027.06    0.372     4.73
2027.16    0.362     4.37
2027.26    0.351     3.99
2027.36    0.341     3.58
2027.46    0.330     3.15
2027.56    0.319     2.68
2027.66    0.308     2.19
2027.76    0.297     1.65
2027.86    0.286     1.08
2027.96    0.274     0.46
2028.06    0.263   359.78
2028.16    0.252   359.04
2028.26    0.240   358.23
2028.36    0.228   357.34
2028.46    0.217   356.35
2028.56    0.205   355.25
2028.66    0.193   354.02
2028.76    0.181   352.62
2028.86    0.169   351.03
2028.96    0.158   349.20
2029.06    0.146   347.08
2029.16    0.134   344.59
2029.26    0.123   341.64
2029.36    0.112   338.11
2029.46    0.102   333.83
2029.56    0.092   328.60
2029.66    0.083   322.18
2029.76    0.075   314.32
2029.86    0.069   304.86
2029.96    0.065   293.94
2030.06    0.064   282.10
2030.16    0.065   270.25
2030.26    0.069   259.32
2030.36    0.075   249.86
2030.46    0.083   241.99
2030.56    0.092   235.56
2030.66    0.102   230.32
2030.76    0.112   226.03
2030.86    0.123   222.49
2030.96    0.134   219.53
2031.06    0.146   217.03
2031.16    0.157   214.89
2031.26    0.169   213.05
2031.36    0.180   211.44
2031.46    0.192   210.02
2031.56    0.203   208.77
2031.66    0.214   207.65
2031.76    0.226   206.64
2031.86    0.237   205.73
2031.96    0.248   204.90
2032.06    0.258   204.13
2032.16    0.269   203.43
2032.26    0.279   202.78
2032.36    0.289   202.18
2032.46    0.299   201.61
2032.56    0.308   201.08
2032.66    0.317   200.58
2032.76    0.326   200.11
2032.86    0.335   199.67
2032.96    0.343   199.24
2033.06    0.351   198.83
2033.16    0.358   198.45
2033.26    0.365   198.07
2033.36    0.371   197.71
2033.46    0.377   197.36
2033.56    0.383   197.03
2033.66    0.388   196.70
2033.76    0.393   196.38
2033.86    0.397   196.07
2033.96    0.401   195.76
2034.06    0.404   195.46
2034.16    0.407   195.16
2034.26    0.409   194.87
2034.36    0.411   194.58
2034.46    0.412   194.29
2034.56    0.413   194.00
2034.66    0.413   193.72
2034.76    0.413   193.43
2034.86    0.412   193.15
2034.96    0.410   192.86
2035.06    0.409   192.57
2035.16    0.406   192.27
2035.26    0.403   191.97
2035.36    0.400   191.67
2035.46    0.396   191.36
2035.56    0.391   191.05
2035.66    0.386   190.72
2035.76    0.381   190.39
2035.86    0.375   190.05
2035.96    0.369   189.70
2036.06    0.362   189.33
2036.16    0.355   188.95
2036.26    0.347   188.56
2036.36    0.339   188.14
2036.46    0.331   187.71
2036.56    0.322   187.25
2036.66    0.313   186.77
2036.76    0.304   186.26
2036.86    0.294   185.71
2036.96    0.284   185.13
2037.06    0.274   184.50
2037.16    0.264   183.83
2037.26    0.253   183.09
2037.36    0.242   182.30
2037.46    0.231   181.42
2037.56    0.220   180.46
2037.66    0.208   179.39
2037.76    0.197   178.20






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 15:08:08



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