Double Star Calculator - Orbit

Orbital Elements for HU716

WDS:	HU716	WDS ID/Discoverer
P:	31.300	Orbital period (years)
a:	0.41	Semi-major axis (arcseconds)
i:	120.0	Inclination (degrees)
Ω:	143.0	Longitude of ascending node (degrees)
T:	1984.000	Epoch of periastron passage (year)
e:	0.71	Eccentricity
ω:	243.0	Longitude of periastron (degrees)
Start-Year:	2009.35	Year
End-Year:	2040.65	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU716
Position:	083135.03+345758.5	Epoch-2000 right ascension and declination
WDS-ID:	08316+3458	WDS designation
Discoverer Code:	HU716	Discover designation and components
ADS number:	6851	Aitken Double Star catalog
HD number:	71974	HD catalog number
Hipparcos number:	41820	Hipparcos catalog number
V1:	7.58	Magnitude of the primary
V2:	9.02	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Sod1999	Reference

Double Star Orbit for HU716

WDS 6th Orbit including measures of HU716

-- 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 HU716

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.493   112.05
--------------------------
2009.35    0.253    39.72
2009.45    0.252    38.65
2009.55    0.250    37.57
2009.65    0.249    36.48
2009.75    0.247    35.37
2009.85    0.246    34.25
2009.95    0.245    33.12
2010.05    0.243    31.98
2010.15    0.242    30.82
2010.25    0.241    29.65
2010.35    0.239    28.47
2010.45    0.238    27.28
2010.55    0.237    26.07
2010.65    0.236    24.85
2010.75    0.235    23.62
2010.85    0.234    22.38
2010.95    0.233    21.13
2011.05    0.231    19.87
2011.15    0.230    18.59
2011.25    0.229    17.30
2011.35    0.228    16.00
2011.45    0.227    14.69
2011.55    0.226    13.37
2011.65    0.225    12.03
2011.75    0.224    10.68
2011.85    0.223     9.33
2011.95    0.222     7.95
2012.05    0.221     6.57
2012.15    0.220     5.17
2012.25    0.219     3.76
2012.35    0.218     2.34
2012.45    0.217     0.90
2012.55    0.216   359.45
2012.65    0.214   357.97
2012.75    0.213   356.49
2012.85    0.212   354.98
2012.95    0.210   353.45
2013.05    0.209   351.89
2013.15    0.207   350.32
2013.25    0.205   348.71
2013.35    0.203   347.07
2013.45    0.200   345.40
2013.55    0.198   343.68
2013.65    0.195   341.92
2013.75    0.192   340.11
2013.85    0.189   338.23
2013.95    0.185   336.28
2014.05    0.181   334.25
2014.15    0.176   332.11
2014.25    0.171   329.84
2014.35    0.165   327.43
2014.45    0.158   324.83
2014.55    0.151   321.99
2014.65    0.143   318.84
2014.75    0.134   315.30
2014.85    0.124   311.22
2014.95    0.114   306.42
2015.05    0.103   300.61
2015.15    0.091   293.37
2015.25    0.081   284.13
2015.35    0.071   272.21
2015.45    0.064   257.22
2015.55    0.062   239.94
2015.65    0.064   222.62
2015.75    0.071   207.58
2015.85    0.081   195.68
2015.95    0.093   186.57
2016.05    0.105   179.58
2016.15    0.118   174.10
2016.25    0.131   169.72
2016.35    0.144   166.13
2016.45    0.157   163.12
2016.55    0.169   160.55
2016.65    0.181   158.33
2016.75    0.192   156.37
2016.85    0.204   154.64
2016.95    0.214   153.08
2017.05    0.225   151.66
2017.15    0.235   150.37
2017.25    0.244   149.18
2017.35    0.253   148.08
2017.45    0.262   147.05
2017.55    0.271   146.10
2017.65    0.279   145.20
2017.75    0.287   144.35
2017.85    0.295   143.54
2017.95    0.302   142.78
2018.05    0.309   142.05
2018.15    0.316   141.35
2018.25    0.323   140.69
2018.35    0.330   140.05
2018.45    0.336   139.43
2018.55    0.342   138.84
2018.65    0.348   138.27
2018.75    0.354   137.72
2018.85    0.359   137.18
2018.95    0.364   136.66
2019.05    0.370   136.15
2019.15    0.375   135.66
2019.25    0.379   135.18
2019.35    0.384   134.71
2019.45    0.389   134.26
2019.55    0.393   133.81
2019.65    0.397   133.38
2019.75    0.401   132.95
2019.85    0.405   132.53
2019.95    0.409   132.12
2020.05    0.413   131.72
2020.15    0.417   131.32
2020.25    0.420   130.93
2020.35    0.424   130.55
2020.45    0.427   130.18
2020.55    0.430   129.81
2020.65    0.433   129.44
2020.75    0.436   129.08
2020.85    0.439   128.72
2020.95    0.442   128.37
2021.05    0.445   128.03
2021.15    0.447   127.68
2021.25    0.450   127.35
2021.35    0.452   127.01
2021.45    0.455   126.68
2021.55    0.457   126.35
2021.65    0.459   126.03
2021.75    0.461   125.71
2021.85    0.463   125.39
2021.95    0.465   125.07
2022.05    0.467   124.76
2022.15    0.469   124.45
2022.25    0.471   124.14
2022.35    0.472   123.83
2022.45    0.474   123.53
2022.55    0.475   123.23
2022.65    0.477   122.93
2022.75    0.478   122.63
2022.85    0.480   122.33
2022.95    0.481   122.04
2023.05    0.482   121.74
2023.15    0.483   121.45
2023.25    0.484   121.16
2023.35    0.485   120.87
2023.45    0.486   120.58
2023.55    0.487   120.29
2023.65    0.488   120.01
2023.75    0.489   119.72
2023.85    0.490   119.44
2023.95    0.491   119.16
2024.05    0.491   118.87
2024.15    0.492   118.59
2024.25    0.492   118.31
2024.35    0.493   118.03
2024.45    0.493   117.75
2024.55    0.494   117.47
2024.65    0.494   117.19
2024.75    0.495   116.91
2024.85    0.495   116.63
2024.95    0.495   116.36
2025.05    0.495   116.08
2025.15    0.495   115.80
2025.25    0.495   115.52
2025.35    0.496   115.25
2025.45    0.496   114.97
2025.55    0.496   114.69
2025.65    0.495   114.42
2025.75    0.495   114.14
2025.85    0.495   113.86
2025.95    0.495   113.58
2026.05    0.495   113.30
2026.15    0.495   113.03
2026.25    0.494   112.75
2026.35    0.494   112.47
2026.45    0.494   112.19
2026.55    0.493   111.91
2026.65    0.493   111.63
2026.75    0.492   111.35
2026.85    0.492   111.07
2026.95    0.491   110.79
2027.05    0.491   110.50
2027.15    0.490   110.22
2027.25    0.489   109.94
2027.35    0.489   109.65
2027.45    0.488   109.37
2027.55    0.487   109.08
2027.65    0.487   108.79
2027.75    0.486   108.51
2027.85    0.485   108.22
2027.95    0.484   107.93
2028.05    0.483   107.64
2028.15    0.482   107.34
2028.25    0.481   107.05
2028.35    0.480   106.76
2028.45    0.479   106.46
2028.55    0.478   106.16
2028.65    0.477   105.87
2028.75    0.476   105.57
2028.85    0.475   105.26
2028.95    0.474   104.96
2029.05    0.473   104.66
2029.15    0.472   104.35
2029.25    0.470   104.05
2029.35    0.469   103.74
2029.45    0.468   103.43
2029.55    0.466   103.11
2029.65    0.465   102.80
2029.75    0.464   102.49
2029.85    0.462   102.17
2029.95    0.461   101.85
2030.05    0.460   101.53
2030.15    0.458   101.20
2030.25    0.457   100.88
2030.35    0.455   100.55
2030.45    0.454   100.22
2030.55    0.452    99.89
2030.65    0.451    99.56
2030.75    0.449    99.22
2030.85    0.448    98.88
2030.95    0.446    98.54
2031.05    0.444    98.20
2031.15    0.443    97.85
2031.25    0.441    97.50
2031.35    0.439    97.15
2031.45    0.438    96.80
2031.55    0.436    96.44
2031.65    0.434    96.08
2031.75    0.432    95.72
2031.85    0.431    95.35
2031.95    0.429    94.98
2032.05    0.427    94.61
2032.15    0.425    94.24
2032.25    0.423    93.86
2032.35    0.421    93.48
2032.45    0.420    93.09
2032.55    0.418    92.70
2032.65    0.416    92.31
2032.75    0.414    91.92
2032.85    0.412    91.52
2032.95    0.410    91.11
2033.05    0.408    90.71
2033.15    0.406    90.30
2033.25    0.404    89.88
2033.35    0.402    89.46
2033.45    0.400    89.04
2033.55    0.398    88.61
2033.65    0.396    88.18
2033.75    0.394    87.74
2033.85    0.392    87.30
2033.95    0.390    86.86
2034.05    0.388    86.41
2034.15    0.386    85.95
2034.25    0.384    85.49
2034.35    0.381    85.03
2034.45    0.379    84.56
2034.55    0.377    84.08
2034.65    0.375    83.60
2034.75    0.373    83.11
2034.85    0.371    82.62
2034.95    0.369    82.12
2035.05    0.366    81.62
2035.15    0.364    81.11
2035.25    0.362    80.59
2035.35    0.360    80.07
2035.45    0.358    79.54
2035.55    0.356    79.01
2035.65    0.353    78.46
2035.75    0.351    77.92
2035.85    0.349    77.36
2035.95    0.347    76.80
2036.05    0.345    76.23
2036.15    0.342    75.65
2036.25    0.340    75.07
2036.35    0.338    74.48
2036.45    0.336    73.88
2036.55    0.334    73.27
2036.65    0.331    72.65
2036.75    0.329    72.03
2036.85    0.327    71.40
2036.95    0.325    70.76
2037.05    0.323    70.11
2037.15    0.321    69.45
2037.25    0.318    68.78
2037.35    0.316    68.11
2037.45    0.314    67.42
2037.55    0.312    66.73
2037.65    0.310    66.02
2037.75    0.308    65.31
2037.85    0.306    64.59
2037.95    0.303    63.85
2038.05    0.301    63.11
2038.15    0.299    62.35
2038.25    0.297    61.59
2038.35    0.295    60.81
2038.45    0.293    60.03
2038.55    0.291    59.23
2038.65    0.289    58.42
2038.75    0.287    57.60
2038.85    0.285    56.77
2038.95    0.283    55.92
2039.05    0.281    55.07
2039.15    0.279    54.20
2039.25    0.277    53.32
2039.35    0.276    52.43
2039.45    0.274    51.53
2039.55    0.272    50.61
2039.65    0.270    49.69
2039.75    0.268    48.75
2039.85    0.266    47.79
2039.95    0.265    46.83
2040.05    0.263    45.85
2040.15    0.261    44.86
2040.25    0.260    43.86
2040.35    0.258    42.84
2040.45    0.256    41.81
2040.55    0.255    40.77
2040.65    0.253    39.72

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 16:08:21