Double Star Calculator - Orbit

Orbital Elements for HDS1975

WDS:	HDS1975	WDS ID/Discoverer
P:	28.214	Orbital period (years)
a:	0.137	Semi-major axis (arcseconds)
i:	0.0	Inclination (degrees)
Ω:	0.0	Longitude of ascending node (degrees)
T:	2017.408	Epoch of periastron passage (year)
e:	0.093	Eccentricity
ω:	356.4	Longitude of periastron (degrees)
Start-Year:	2010.893	Year
End-Year:	2039.107	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1975
Position:	140441.22-720410.6	Epoch-2000 right ascension and declination
WDS-ID:	14047-7204	WDS designation
Discoverer Code:	HDS1975	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	122341	HD catalog number
Hipparcos number:	68779	Hipparcos catalog number
V1:	8.40	Magnitude of the primary
V2:	9.03	Magnitude of the secondary
Equinox:	2000	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:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2018e	Reference

Double Star Orbit for HDS1975

WDS 6th Orbit including measures of HDS1975

-- 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 HDS1975

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.143   121.48
--------------------------
2010.89    0.137   262.60
2010.99    0.136   263.88
2011.09    0.136   265.17
2011.19    0.136   266.46
2011.29    0.136   267.75
2011.39    0.135   269.05
2011.49    0.135   270.36
2011.59    0.135   271.67
2011.69    0.134   272.99
2011.79    0.134   274.31
2011.89    0.134   275.64
2011.99    0.134   276.98
2012.09    0.133   278.32
2012.19    0.133   279.66
2012.29    0.133   281.01
2012.39    0.132   282.37
2012.49    0.132   283.73
2012.59    0.132   285.10
2012.69    0.132   286.48
2012.79    0.131   287.86
2012.89    0.131   289.24
2012.99    0.131   290.63
2013.09    0.131   292.03
2013.19    0.130   293.43
2013.29    0.130   294.84
2013.39    0.130   296.25
2013.49    0.130   297.67
2013.59    0.129   299.09
2013.69    0.129   300.52
2013.79    0.129   301.95
2013.89    0.129   303.39
2013.99    0.128   304.83
2014.09    0.128   306.28
2014.19    0.128   307.74
2014.29    0.128   309.20
2014.39    0.128   310.66
2014.49    0.127   312.13
2014.59    0.127   313.60
2014.69    0.127   315.08
2014.79    0.127   316.56
2014.89    0.127   318.05
2014.99    0.126   319.54
2015.09    0.126   321.03
2015.19    0.126   322.53
2015.29    0.126   324.03
2015.39    0.126   325.54
2015.49    0.126   327.04
2015.59    0.125   328.56
2015.69    0.125   330.07
2015.79    0.125   331.59
2015.89    0.125   333.11
2015.99    0.125   334.64
2016.09    0.125   336.16
2016.19    0.125   337.69
2016.29    0.125   339.22
2016.39    0.125   340.76
2016.49    0.125   342.29
2016.59    0.125   343.83
2016.69    0.124   345.37
2016.79    0.124   346.91
2016.89    0.124   348.45
2016.99    0.124   349.99
2017.09    0.124   351.54
2017.19    0.124   353.08
2017.29    0.124   354.62
2017.39    0.124   356.17
2017.49    0.124   357.71
2017.59    0.124   359.26
2017.69    0.124     0.80
2017.79    0.124     2.34
2017.89    0.124     3.89
2017.99    0.124     5.43
2018.09    0.124     6.97
2018.19    0.124     8.51
2018.29    0.125    10.05
2018.39    0.125    11.58
2018.49    0.125    13.12
2018.59    0.125    14.65
2018.69    0.125    16.18
2018.79    0.125    17.71
2018.89    0.125    19.23
2018.99    0.125    20.75
2019.09    0.125    22.27
2019.19    0.125    23.79
2019.29    0.126    25.30
2019.39    0.126    26.81
2019.49    0.126    28.32
2019.59    0.126    29.82
2019.69    0.126    31.32
2019.79    0.126    32.82
2019.89    0.127    34.31
2019.99    0.127    35.80
2020.09    0.127    37.28
2020.19    0.127    38.76
2020.29    0.127    40.23
2020.39    0.127    41.70
2020.49    0.128    43.17
2020.59    0.128    44.63
2020.69    0.128    46.08
2020.79    0.128    47.53
2020.89    0.129    48.98
2020.99    0.129    50.42
2021.09    0.129    51.85
2021.19    0.129    53.28
2021.29    0.129    54.71
2021.39    0.130    56.13
2021.49    0.130    57.54
2021.59    0.130    58.95
2021.69    0.130    60.35
2021.79    0.131    61.75
2021.89    0.131    63.14
2021.99    0.131    64.53
2022.09    0.132    65.91
2022.19    0.132    67.29
2022.29    0.132    68.66
2022.39    0.132    70.02
2022.49    0.133    71.38
2022.59    0.133    72.73
2022.69    0.133    74.08
2022.79    0.133    75.42
2022.89    0.134    76.76
2022.99    0.134    78.09
2023.09    0.134    79.41
2023.19    0.135    80.73
2023.29    0.135    82.05
2023.39    0.135    83.35
2023.49    0.135    84.66
2023.59    0.136    85.95
2023.69    0.136    87.25
2023.79    0.136    88.53
2023.89    0.137    89.81
2023.99    0.137    91.09
2024.09    0.137    92.36
2024.19    0.137    93.62
2024.29    0.138    94.88
2024.39    0.138    96.14
2024.49    0.138    97.39
2024.59    0.139    98.63
2024.69    0.139    99.87
2024.79    0.139   101.11
2024.89    0.139   102.34
2024.99    0.140   103.56
2025.09    0.140   104.78
2025.19    0.140   106.00
2025.29    0.140   107.21
2025.39    0.141   108.42
2025.49    0.141   109.62
2025.59    0.141   110.82
2025.69    0.142   112.01
2025.79    0.142   113.20
2025.89    0.142   114.38
2025.99    0.142   115.56
2026.09    0.143   116.74
2026.19    0.143   117.91
2026.29    0.143   119.08
2026.39    0.143   120.24
2026.49    0.143   121.40
2026.59    0.144   122.56
2026.69    0.144   123.71
2026.79    0.144   124.86
2026.89    0.144   126.01
2026.99    0.145   127.15
2027.09    0.145   128.29
2027.19    0.145   129.42
2027.29    0.145   130.56
2027.39    0.145   131.69
2027.49    0.146   132.81
2027.59    0.146   133.93
2027.69    0.146   135.05
2027.79    0.146   136.17
2027.89    0.146   137.29
2027.99    0.147   138.40
2028.09    0.147   139.51
2028.19    0.147   140.61
2028.29    0.147   141.72
2028.39    0.147   142.82
2028.49    0.147   143.92
2028.59    0.148   145.01
2028.69    0.148   146.11
2028.79    0.148   147.20
2028.89    0.148   148.29
2028.99    0.148   149.38
2029.09    0.148   150.47
2029.19    0.148   151.55
2029.29    0.148   152.63
2029.39    0.149   153.71
2029.49    0.149   154.79
2029.59    0.149   155.87
2029.69    0.149   156.95
2029.79    0.149   158.02
2029.89    0.149   159.10
2029.99    0.149   160.17
2030.09    0.149   161.24
2030.19    0.149   162.31
2030.29    0.149   163.38
2030.39    0.149   164.45
2030.49    0.149   165.52
2030.59    0.150   166.59
2030.69    0.150   167.65
2030.79    0.150   168.72
2030.89    0.150   169.78
2030.99    0.150   170.85
2031.09    0.150   171.91
2031.19    0.150   172.98
2031.29    0.150   174.04
2031.39    0.150   175.10
2031.49    0.150   176.17
2031.59    0.150   177.23
2031.69    0.150   178.29
2031.79    0.150   179.36
2031.89    0.150   180.42
2031.99    0.150   181.48
2032.09    0.150   182.55
2032.19    0.150   183.61
2032.29    0.150   184.68
2032.39    0.150   185.75
2032.49    0.149   186.81
2032.59    0.149   187.88
2032.69    0.149   188.95
2032.79    0.149   190.02
2032.89    0.149   191.09
2032.99    0.149   192.16
2033.09    0.149   193.23
2033.19    0.149   194.30
2033.29    0.149   195.38
2033.39    0.149   196.45
2033.49    0.149   197.53
2033.59    0.149   198.61
2033.69    0.149   199.69
2033.79    0.148   200.77
2033.89    0.148   201.86
2033.99    0.148   202.94
2034.09    0.148   204.03
2034.19    0.148   205.12
2034.29    0.148   206.21
2034.39    0.148   207.30
2034.49    0.147   208.40
2034.59    0.147   209.50
2034.69    0.147   210.60
2034.79    0.147   211.70
2034.89    0.147   212.81
2034.99    0.147   213.91
2035.09    0.146   215.02
2035.19    0.146   216.14
2035.29    0.146   217.25
2035.39    0.146   218.37
2035.49    0.146   219.49
2035.59    0.146   220.62
2035.69    0.145   221.75
2035.79    0.145   222.88
2035.89    0.145   224.01
2035.99    0.145   225.15
2036.09    0.144   226.29
2036.19    0.144   227.43
2036.29    0.144   228.58
2036.39    0.144   229.73
2036.49    0.144   230.89
2036.59    0.143   232.05
2036.69    0.143   233.21
2036.79    0.143   234.37
2036.89    0.143   235.54
2036.99    0.142   236.72
2037.09    0.142   237.90
2037.19    0.142   239.08
2037.29    0.142   240.27
2037.39    0.141   241.46
2037.49    0.141   242.65
2037.59    0.141   243.85
2037.69    0.141   245.06
2037.79    0.140   246.27
2037.89    0.140   247.48
2037.99    0.140   248.70
2038.09    0.139   249.92
2038.19    0.139   251.15
2038.29    0.139   252.38
2038.39    0.139   253.62
2038.49    0.138   254.86
2038.59    0.138   256.11
2038.69    0.138   257.36
2038.79    0.138   258.62
2038.89    0.137   259.88
2038.99    0.137   261.15
2039.09    0.137   262.42

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 17:02:20