Double Star Calculator - Orbit

Orbital Elements for HU767

WDS:	HU767	WDS ID/Discoverer
P:	34.330	Orbital period (years)
a:	0.1907	Semi-major axis (arcseconds)
i:	66.66	Inclination (degrees)
Ω:	169.64	Longitude of ascending node (degrees)
T:	1978.083	Epoch of periastron passage (year)
e:	0.586	Eccentricity
ω:	120.1	Longitude of periastron (degrees)
Start-Year:	2007.835	Year
End-Year:	2042.165	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU767
Position:	211328.77+155856.8	Epoch-2000 right ascension and declination
WDS-ID:	21135+1559	WDS designation
Discoverer Code:	HU767	Discover designation and components
ADS number:	14761	Aitken Double Star catalog
HD number:	202128	HD catalog number
Hipparcos number:	104771	Hipparcos catalog number
V1:	7.05	Magnitude of the primary
V2:	7.13	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:	Hrt1996a	Reference

Double Star Orbit for HU767

WDS 6th Orbit including measures of HU767

-- 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 HU767

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.148   121.49
--------------------------
2007.84    0.174   170.32
2007.93    0.171   170.73
2008.03    0.169   171.15
2008.13    0.166   171.59
2008.23    0.164   172.04
2008.33    0.161   172.50
2008.43    0.158   172.98
2008.53    0.156   173.48
2008.63    0.153   173.99
2008.73    0.150   174.53
2008.83    0.147   175.08
2008.93    0.144   175.67
2009.03    0.141   176.27
2009.13    0.137   176.91
2009.23    0.134   177.57
2009.33    0.130   178.27
2009.43    0.127   179.01
2009.53    0.123   179.80
2009.63    0.119   180.63
2009.73    0.116   181.52
2009.83    0.112   182.47
2009.93    0.108   183.49
2010.03    0.103   184.59
2010.13    0.099   185.78
2010.23    0.095   187.09
2010.33    0.090   188.51
2010.43    0.086   190.09
2010.53    0.081   191.85
2010.63    0.077   193.81
2010.73    0.072   196.04
2010.83    0.067   198.57
2010.93    0.062   201.49
2011.03    0.058   204.89
2011.13    0.053   208.88
2011.23    0.049   213.61
2011.33    0.045   219.27
2011.43    0.041   226.04
2011.53    0.037   234.10
2011.63    0.035   243.51
2011.73    0.033   254.10
2011.83    0.033   265.37
2011.93    0.033   276.58
2012.03    0.035   287.03
2012.13    0.038   296.27
2012.23    0.041   304.18
2012.33    0.045   310.84
2012.43    0.049   316.44
2012.53    0.053   321.16
2012.63    0.057   325.18
2012.73    0.062   328.65
2012.83    0.066   331.67
2012.93    0.070   334.33
2013.03    0.074   336.71
2013.13    0.077   338.86
2013.23    0.081   340.81
2013.33    0.084   342.61
2013.43    0.087   344.28
2013.53    0.090   345.83
2013.63    0.093   347.30
2013.73    0.095   348.69
2013.83    0.097   350.01
2013.93    0.099   351.27
2014.03    0.101   352.49
2014.13    0.103   353.66
2014.23    0.104   354.80
2014.33    0.106   355.91
2014.43    0.107   356.99
2014.53    0.108   358.05
2014.63    0.109   359.09
2014.73    0.110     0.12
2014.83    0.110     1.13
2014.93    0.111     2.13
2015.03    0.111     3.12
2015.13    0.112     4.10
2015.23    0.112     5.08
2015.33    0.112     6.05
2015.43    0.112     7.02
2015.53    0.112     7.99
2015.63    0.112     8.96
2015.73    0.112     9.93
2015.83    0.112    10.90
2015.93    0.112    11.88
2016.03    0.112    12.85
2016.13    0.112    13.84
2016.23    0.111    14.82
2016.33    0.111    15.82
2016.43    0.111    16.81
2016.53    0.110    17.82
2016.63    0.110    18.83
2016.73    0.109    19.86
2016.83    0.109    20.89
2016.93    0.108    21.93
2017.03    0.108    22.98
2017.13    0.107    24.03
2017.23    0.107    25.10
2017.33    0.106    26.18
2017.43    0.106    27.27
2017.53    0.105    28.37
2017.63    0.105    29.48
2017.73    0.104    30.60
2017.83    0.104    31.74
2017.93    0.103    32.88
2018.03    0.103    34.04
2018.13    0.102    35.21
2018.23    0.102    36.38
2018.33    0.101    37.57
2018.43    0.101    38.77
2018.53    0.100    39.98
2018.63    0.100    41.21
2018.73    0.100    42.44
2018.83    0.099    43.68
2018.93    0.099    44.93
2019.03    0.099    46.18
2019.13    0.098    47.45
2019.23    0.098    48.72
2019.33    0.098    50.00
2019.43    0.097    51.29
2019.53    0.097    52.58
2019.63    0.097    53.88
2019.73    0.097    55.18
2019.83    0.097    56.48
2019.93    0.097    57.79
2020.03    0.097    59.09
2020.13    0.097    60.40
2020.23    0.097    61.71
2020.33    0.097    63.02
2020.43    0.097    64.32
2020.53    0.097    65.63
2020.63    0.097    66.92
2020.73    0.097    68.22
2020.83    0.098    69.51
2020.93    0.098    70.79
2021.03    0.098    72.06
2021.13    0.098    73.33
2021.23    0.099    74.59
2021.33    0.099    75.84
2021.43    0.100    77.07
2021.53    0.100    78.30
2021.63    0.101    79.52
2021.73    0.101    80.72
2021.83    0.102    81.91
2021.93    0.102    83.09
2022.03    0.103    84.26
2022.13    0.103    85.41
2022.23    0.104    86.55
2022.33    0.105    87.67
2022.43    0.105    88.78
2022.53    0.106    89.87
2022.63    0.107    90.95
2022.73    0.108    92.01
2022.83    0.109    93.06
2022.93    0.109    94.09
2023.03    0.110    95.10
2023.13    0.111    96.10
2023.23    0.112    97.08
2023.33    0.113    98.05
2023.43    0.114    99.00
2023.53    0.115    99.94
2023.63    0.116   100.86
2023.73    0.117   101.77
2023.83    0.118   102.66
2023.93    0.119   103.53
2024.03    0.120   104.39
2024.13    0.121   105.24
2024.23    0.122   106.07
2024.33    0.123   106.88
2024.43    0.124   107.69
2024.53    0.125   108.47
2024.63    0.126   109.25
2024.73    0.127   110.01
2024.83    0.129   110.76
2024.93    0.130   111.49
2025.03    0.131   112.22
2025.13    0.132   112.92
2025.23    0.133   113.62
2025.33    0.134   114.31
2025.43    0.135   114.98
2025.53    0.137   115.64
2025.63    0.138   116.29
2025.73    0.139   116.93
2025.83    0.140   117.56
2025.93    0.141   118.18
2026.03    0.142   118.79
2026.13    0.144   119.39
2026.23    0.145   119.98
2026.33    0.146   120.55
2026.43    0.147   121.12
2026.53    0.148   121.68
2026.63    0.150   122.23
2026.73    0.151   122.78
2026.83    0.152   123.31
2026.93    0.153   123.84
2027.03    0.154   124.35
2027.13    0.156   124.86
2027.23    0.157   125.36
2027.33    0.158   125.86
2027.43    0.159   126.34
2027.53    0.160   126.82
2027.63    0.162   127.29
2027.73    0.163   127.76
2027.83    0.164   128.22
2027.93    0.165   128.67
2028.03    0.166   129.12
2028.13    0.168   129.56
2028.23    0.169   129.99
2028.33    0.170   130.42
2028.43    0.171   130.84
2028.53    0.172   131.25
2028.63    0.173   131.66
2028.73    0.174   132.07
2028.83    0.176   132.47
2028.93    0.177   132.86
2029.03    0.178   133.25
2029.13    0.179   133.64
2029.23    0.180   134.02
2029.33    0.181   134.39
2029.43    0.182   134.77
2029.53    0.183   135.13
2029.63    0.184   135.50
2029.73    0.185   135.85
2029.83    0.186   136.21
2029.93    0.188   136.56
2030.03    0.189   136.90
2030.13    0.190   137.25
2030.23    0.191   137.59
2030.33    0.192   137.92
2030.43    0.193   138.25
2030.53    0.194   138.58
2030.63    0.195   138.91
2030.73    0.196   139.23
2030.83    0.197   139.55
2030.93    0.197   139.86
2031.03    0.198   140.17
2031.13    0.199   140.48
2031.23    0.200   140.79
2031.33    0.201   141.09
2031.43    0.202   141.40
2031.53    0.203   141.69
2031.63    0.204   141.99
2031.73    0.205   142.28
2031.83    0.206   142.57
2031.93    0.206   142.86
2032.03    0.207   143.15
2032.13    0.208   143.43
2032.23    0.209   143.72
2032.33    0.210   144.00
2032.43    0.210   144.27
2032.53    0.211   144.55
2032.63    0.212   144.82
2032.73    0.213   145.10
2032.83    0.213   145.37
2032.93    0.214   145.63
2033.03    0.215   145.90
2033.13    0.215   146.17
2033.23    0.216   146.43
2033.33    0.217   146.69
2033.43    0.217   146.95
2033.53    0.218   147.21
2033.63    0.218   147.47
2033.73    0.219   147.72
2033.83    0.219   147.98
2033.93    0.220   148.23
2034.03    0.221   148.48
2034.13    0.221   148.74
2034.23    0.222   148.99
2034.33    0.222   149.23
2034.43    0.222   149.48
2034.53    0.223   149.73
2034.63    0.223   149.98
2034.73    0.224   150.22
2034.83    0.224   150.46
2034.93    0.224   150.71
2035.03    0.225   150.95
2035.13    0.225   151.19
2035.23    0.225   151.43
2035.33    0.226   151.68
2035.43    0.226   151.92
2035.53    0.226   152.15
2035.63    0.226   152.39
2035.73    0.227   152.63
2035.83    0.227   152.87
2035.93    0.227   153.11
2036.03    0.227   153.35
2036.13    0.227   153.58
2036.23    0.227   153.82
2036.33    0.227   154.06
2036.43    0.227   154.30
2036.53    0.227   154.53
2036.63    0.227   154.77
2036.73    0.227   155.01
2036.83    0.227   155.25
2036.93    0.227   155.48
2037.03    0.227   155.72
2037.13    0.227   155.96
2037.23    0.227   156.20
2037.33    0.226   156.44
2037.43    0.226   156.67
2037.53    0.226   156.91
2037.63    0.226   157.15
2037.73    0.225   157.39
2037.83    0.225   157.64
2037.93    0.225   157.88
2038.03    0.224   158.12
2038.13    0.224   158.37
2038.23    0.223   158.61
2038.33    0.223   158.86
2038.43    0.222   159.10
2038.53    0.222   159.35
2038.63    0.221   159.60
2038.73    0.221   159.85
2038.83    0.220   160.10
2038.93    0.219   160.36
2039.03    0.219   160.61
2039.13    0.218   160.87
2039.23    0.217   161.13
2039.33    0.216   161.39
2039.43    0.215   161.65
2039.53    0.214   161.92
2039.63    0.213   162.19
2039.73    0.212   162.46
2039.83    0.211   162.73
2039.93    0.210   163.01
2040.03    0.209   163.28
2040.13    0.208   163.57
2040.23    0.207   163.85
2040.33    0.206   164.14
2040.43    0.204   164.43
2040.53    0.203   164.73
2040.63    0.202   165.02
2040.73    0.200   165.33
2040.83    0.199   165.64
2040.93    0.197   165.95
2041.03    0.195   166.27
2041.13    0.194   166.59
2041.23    0.192   166.92
2041.33    0.190   167.25
2041.43    0.189   167.59
2041.53    0.187   167.94
2041.63    0.185   168.30
2041.73    0.183   168.66
2041.83    0.181   169.03
2041.93    0.179   169.41
2042.03    0.176   169.80
2042.13    0.174   170.20

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 18:23:55