Double Star Calculator - Orbit

Orbital Elements for HEN3

WDS:	HEN3	WDS ID/Discoverer
P:	23.930	Orbital period (years)
a:	0.6402	Semi-major axis (arcseconds)
i:	14.4	Inclination (degrees)
Ω:	85.7	Longitude of ascending node (degrees)
T:	2016.200	Epoch of periastron passage (year)
e:	0.587	Eccentricity
ω:	57.8	Longitude of periastron (degrees)
Start-Year:	2013.035	Year
End-Year:	2036.965	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HEN3
Position:	073625.07+070443.9	Epoch-2000 right ascension and declination
WDS-ID:	07364+0705	WDS designation
Discoverer Code:	HEN3	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	14.0	Magnitude of the primary
V2:	14.0	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Tok2020e	Reference

Double Star Orbit for HEN3

WDS 6th Orbit including measures of HEN3

-- 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 HEN3

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.984   314.47
--------------------------
2013.04    0.567    26.16
2013.13    0.556    27.69
2013.23    0.546    29.28
2013.33    0.536    30.94
2013.43    0.525    32.65
2013.53    0.514    34.44
2013.63    0.504    36.31
2013.73    0.493    38.26
2013.83    0.482    40.29
2013.93    0.471    42.43
2014.03    0.459    44.66
2014.13    0.448    47.01
2014.23    0.437    49.48
2014.33    0.425    52.08
2014.43    0.414    54.83
2014.53    0.402    57.74
2014.63    0.391    60.81
2014.73    0.379    64.07
2014.83    0.368    67.54
2014.93    0.357    71.22
2015.03    0.345    75.15
2015.13    0.335    79.33
2015.23    0.324    83.80
2015.33    0.314    88.56
2015.43    0.304    93.64
2015.53    0.295    99.04
2015.63    0.286   104.78
2015.73    0.278   110.85
2015.83    0.272   117.25
2015.93    0.266   123.93
2016.03    0.262   130.86
2016.13    0.259   137.98
2016.23    0.258   145.21
2016.33    0.259   152.45
2016.43    0.261   159.63
2016.53    0.264   166.65
2016.63    0.269   173.44
2016.73    0.276   179.95
2016.83    0.284   186.13
2016.93    0.292   191.96
2017.03    0.302   197.43
2017.13    0.313   202.55
2017.23    0.324   207.33
2017.33    0.335   211.79
2017.43    0.347   215.94
2017.53    0.359   219.81
2017.63    0.372   223.43
2017.73    0.384   226.81
2017.83    0.397   229.98
2017.93    0.410   232.95
2018.03    0.422   235.74
2018.13    0.435   238.37
2018.23    0.448   240.86
2018.33    0.460   243.20
2018.43    0.472   245.43
2018.53    0.485   247.54
2018.63    0.497   249.55
2018.73    0.509   251.46
2018.83    0.520   253.29
2018.93    0.532   255.03
2019.03    0.544   256.71
2019.13    0.555   258.31
2019.23    0.566   259.85
2019.33    0.577   261.33
2019.43    0.588   262.76
2019.53    0.598   264.13
2019.63    0.609   265.46
2019.73    0.619   266.74
2019.83    0.629   267.98
2019.93    0.639   269.19
2020.03    0.649   270.35
2020.13    0.658   271.49
2020.23    0.668   272.59
2020.33    0.677   273.66
2020.43    0.686   274.70
2020.53    0.695   275.71
2020.63    0.704   276.70
2020.73    0.712   277.66
2020.83    0.721   278.61
2020.93    0.729   279.53
2021.03    0.737   280.43
2021.13    0.745   281.31
2021.23    0.753   282.17
2021.33    0.761   283.01
2021.43    0.768   283.84
2021.53    0.775   284.65
2021.63    0.783   285.45
2021.73    0.790   286.23
2021.83    0.797   287.00
2021.93    0.804   287.75
2022.03    0.810   288.50
2022.13    0.817   289.23
2022.23    0.823   289.95
2022.33    0.829   290.65
2022.43    0.836   291.35
2022.53    0.842   292.04
2022.63    0.847   292.72
2022.73    0.853   293.39
2022.83    0.859   294.05
2022.93    0.864   294.70
2023.03    0.870   295.34
2023.13    0.875   295.98
2023.23    0.880   296.60
2023.33    0.885   297.22
2023.43    0.890   297.84
2023.53    0.894   298.45
2023.63    0.899   299.05
2023.73    0.904   299.64
2023.83    0.908   300.23
2023.93    0.912   300.82
2024.03    0.916   301.39
2024.13    0.920   301.97
2024.23    0.924   302.54
2024.33    0.928   303.10
2024.43    0.932   303.66
2024.53    0.935   304.21
2024.63    0.939   304.76
2024.73    0.942   305.31
2024.83    0.945   305.85
2024.93    0.949   306.39
2025.03    0.952   306.93
2025.13    0.954   307.46
2025.23    0.957   307.99
2025.33    0.960   308.52
2025.43    0.963   309.04
2025.53    0.965   309.56
2025.63    0.967   310.08
2025.73    0.970   310.59
2025.83    0.972   311.11
2025.93    0.974   311.62
2026.03    0.976   312.13
2026.13    0.978   312.63
2026.23    0.979   313.14
2026.33    0.981   313.64
2026.43    0.983   314.14
2026.53    0.984   314.64
2026.63    0.985   315.14
2026.73    0.987   315.64
2026.83    0.988   316.13
2026.93    0.989   316.63
2027.03    0.990   317.12
2027.13    0.991   317.62
2027.23    0.991   318.11
2027.33    0.992   318.60
2027.43    0.992   319.09
2027.53    0.993   319.58
2027.63    0.993   320.07
2027.73    0.993   320.56
2027.83    0.994   321.05
2027.93    0.994   321.54
2028.03    0.993   322.03
2028.13    0.993   322.52
2028.23    0.993   323.01
2028.33    0.993   323.50
2028.43    0.992   323.99
2028.53    0.992   324.49
2028.63    0.991   324.98
2028.73    0.990   325.47
2028.83    0.989   325.96
2028.93    0.988   326.46
2029.03    0.987   326.95
2029.13    0.986   327.45
2029.23    0.985   327.95
2029.33    0.984   328.45
2029.43    0.982   328.95
2029.53    0.981   329.45
2029.63    0.979   329.95
2029.73    0.977   330.46
2029.83    0.975   330.97
2029.93    0.973   331.47
2030.03    0.971   331.99
2030.13    0.969   332.50
2030.23    0.967   333.01
2030.33    0.965   333.53
2030.43    0.962   334.05
2030.53    0.960   334.58
2030.63    0.957   335.10
2030.73    0.954   335.63
2030.83    0.952   336.17
2030.93    0.949   336.70
2031.03    0.946   337.24
2031.13    0.942   337.78
2031.23    0.939   338.33
2031.33    0.936   338.88
2031.43    0.932   339.43
2031.53    0.929   339.99
2031.63    0.925   340.55
2031.73    0.921   341.12
2031.83    0.918   341.69
2031.93    0.914   342.27
2032.03    0.910   342.85
2032.13    0.905   343.44
2032.23    0.901   344.03
2032.33    0.897   344.63
2032.43    0.892   345.23
2032.53    0.888   345.84
2032.63    0.883   346.46
2032.73    0.878   347.08
2032.83    0.873   347.71
2032.93    0.868   348.35
2033.03    0.863   349.00
2033.13    0.858   349.65
2033.23    0.852   350.31
2033.33    0.847   350.98
2033.43    0.841   351.66
2033.53    0.836   352.35
2033.63    0.830   353.04
2033.73    0.824   353.75
2033.83    0.818   354.47
2033.93    0.812   355.20
2034.03    0.806   355.94
2034.13    0.799   356.69
2034.23    0.793   357.45
2034.33    0.786   358.23
2034.43    0.779   359.01
2034.53    0.772   359.82
2034.63    0.765     0.64
2034.73    0.758     1.47
2034.83    0.751     2.32
2034.93    0.744     3.18
2035.03    0.736     4.07
2035.13    0.729     4.97
2035.23    0.721     5.89
2035.33    0.713     6.83
2035.43    0.705     7.79
2035.53    0.697     8.77
2035.63    0.689     9.78
2035.73    0.680    10.81
2035.83    0.672    11.87
2035.93    0.663    12.95
2036.03    0.654    14.07
2036.13    0.646    15.21
2036.23    0.637    16.39
2036.33    0.627    17.60
2036.43    0.618    18.85
2036.53    0.609    20.13
2036.63    0.599    21.46
2036.73    0.589    22.83
2036.83    0.580    24.24
2036.93    0.570    25.71

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 15:59:29