Double Star Calculator - Orbit

Orbital Elements for HU322AB
WDS: HU322AB WDS ID/Discoverer
P: 42.400 Orbital period (years)
a: 0.145 Semi-major axis (arcseconds)
i: 99.1 Inclination (degrees)
Ω: 90.3 Longitude of ascending node (degrees)
T: 1966.930 Epoch of periastron passage (year)
e: 0.615 Eccentricity
ω: 197.4 Longitude of periastron (degrees)
Start-Year: 2003.8 Year
End-Year: 2046.2 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU322AB
Position: 183345.62+174355.9 Epoch-2000 right ascension and declination
WDS-ID: 18338+1744 WDS designation
Discoverer Code: HU322AB Discover designation and components
ADS number: 11454 Aitken Double Star catalog
HD number: 171365 HD catalog number
Hipparcos number: 90996 Hipparcos catalog number
V1: 7.74 Magnitude of the primary
V2: 8.91 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2009 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: FMR2012b Reference

Double Star Orbit for HU322AB



WDS 6th Orbit including measures of HU322AB

-- 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 HU322AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.226    89.21
--------------------------
2003.80    0.038    57.55
2003.90    0.036    55.89
2004.00    0.034    54.04
2004.10    0.032    51.99
2004.20    0.030    49.68
2004.30    0.028    47.10
2004.40    0.027    44.18
2004.50    0.025    40.88
2004.60    0.024    37.13
2004.70    0.022    32.89
2004.80    0.021    28.09
2004.90    0.020    22.70
2005.00    0.019    16.71
2005.10    0.018    10.16
2005.20    0.018     3.14
2005.30    0.017   355.84
2005.40    0.017   348.46
2005.50    0.018   341.25
2005.60    0.018   334.40
2005.70    0.019   328.05
2005.80    0.020   322.29
2005.90    0.021   317.13
2006.00    0.023   312.54
2006.10    0.024   308.49
2006.20    0.026   304.91
2006.30    0.027   301.73
2006.40    0.029   298.92
2006.50    0.031   296.42
2006.60    0.032   294.17
2006.70    0.034   292.16
2006.80    0.036   290.34
2006.90    0.038   288.69
2007.00    0.039   287.18
2007.10    0.041   285.80
2007.20    0.043   284.52
2007.30    0.044   283.35
2007.40    0.046   282.25
2007.50    0.047   281.22
2007.60    0.049   280.26
2007.70    0.050   279.35
2007.80    0.051   278.48
2007.90    0.053   277.66
2008.00    0.054   276.87
2008.10    0.055   276.12
2008.20    0.056   275.38
2008.30    0.056   274.67
2008.40    0.057   273.97
2008.50    0.057   273.29
2008.60    0.057   272.61
2008.70    0.057   271.93
2008.80    0.057   271.26
2008.90    0.057   270.58
2009.00    0.056   269.89
2009.10    0.056   269.18
2009.20    0.055   268.45
2009.30    0.054   267.70
2009.40    0.052   266.90
2009.50    0.051   266.07
2009.60    0.049   265.18
2009.70    0.047   264.23
2009.80    0.045   263.19
2009.90    0.043   262.05
2010.00    0.041   260.78
2010.10    0.038   259.37
2010.20    0.036   257.75
2010.30    0.033   255.89
2010.40    0.031   253.72
2010.50    0.028   251.13
2010.60    0.025   248.00
2010.70    0.023   244.13
2010.80    0.020   239.26
2010.90    0.018   233.03
2011.00    0.016   224.94
2011.10    0.014   214.49
2011.20    0.013   201.45
2011.30    0.012   186.47
2011.40    0.012   171.28
2011.50    0.013   157.76
2011.60    0.015   146.78
2011.70    0.017   138.26
2011.80    0.020   131.71
2011.90    0.022   126.63
2012.00    0.025   122.62
2012.10    0.028   119.41
2012.20    0.031   116.78
2012.30    0.033   114.60
2012.40    0.036   112.76
2012.50    0.039   111.19
2012.60    0.042   109.83
2012.70    0.045   108.64
2012.80    0.048   107.60
2012.90    0.050   106.67
2013.00    0.053   105.84
2013.10    0.056   105.09
2013.20    0.059   104.41
2013.30    0.061   103.80
2013.40    0.064   103.23
2013.50    0.067   102.71
2013.60    0.069   102.23
2013.70    0.072   101.79
2013.80    0.075   101.37
2013.90    0.077   100.98
2014.00    0.080   100.62
2014.10    0.082   100.28
2014.20    0.085    99.96
2014.30    0.087    99.66
2014.40    0.090    99.37
2014.50    0.092    99.10
2014.60    0.094    98.85
2014.70    0.097    98.60
2014.80    0.099    98.37
2014.90    0.101    98.15
2015.00    0.103    97.93
2015.10    0.106    97.73
2015.20    0.108    97.53
2015.30    0.110    97.35
2015.40    0.112    97.17
2015.50    0.114    96.99
2015.60    0.116    96.82
2015.70    0.118    96.66
2015.80    0.120    96.51
2015.90    0.122    96.36
2016.00    0.124    96.21
2016.10    0.126    96.07
2016.20    0.128    95.93
2016.30    0.130    95.80
2016.40    0.132    95.67
2016.50    0.134    95.54
2016.60    0.136    95.42
2016.70    0.138    95.30
2016.80    0.139    95.18
2016.90    0.141    95.07
2017.00    0.143    94.96
2017.10    0.145    94.85
2017.20    0.146    94.75
2017.30    0.148    94.65
2017.40    0.150    94.54
2017.50    0.151    94.45
2017.60    0.153    94.35
2017.70    0.154    94.26
2017.80    0.156    94.16
2017.90    0.158    94.07
2018.00    0.159    93.98
2018.10    0.161    93.90
2018.20    0.162    93.81
2018.30    0.164    93.73
2018.40    0.165    93.65
2018.50    0.166    93.56
2018.60    0.168    93.48
2018.70    0.169    93.41
2018.80    0.171    93.33
2018.90    0.172    93.25
2019.00    0.173    93.18
2019.10    0.175    93.10
2019.20    0.176    93.03
2019.30    0.177    92.96
2019.40    0.178    92.89
2019.50    0.180    92.82
2019.60    0.181    92.75
2019.70    0.182    92.68
2019.80    0.183    92.62
2019.90    0.184    92.55
2020.00    0.186    92.49
2020.10    0.187    92.42
2020.20    0.188    92.36
2020.30    0.189    92.30
2020.40    0.190    92.23
2020.50    0.191    92.17
2020.60    0.192    92.11
2020.70    0.193    92.05
2020.80    0.194    91.99
2020.90    0.195    91.93
2021.00    0.196    91.88
2021.10    0.197    91.82
2021.20    0.198    91.76
2021.30    0.199    91.70
2021.40    0.200    91.65
2021.50    0.201    91.59
2021.60    0.201    91.54
2021.70    0.202    91.48
2021.80    0.203    91.43
2021.90    0.204    91.38
2022.00    0.205    91.32
2022.10    0.206    91.27
2022.20    0.206    91.22
2022.30    0.207    91.16
2022.40    0.208    91.11
2022.50    0.209    91.06
2022.60    0.209    91.01
2022.70    0.210    90.96
2022.80    0.211    90.91
2022.90    0.211    90.86
2023.00    0.212    90.81
2023.10    0.213    90.76
2023.20    0.213    90.71
2023.30    0.214    90.66
2023.40    0.215    90.61
2023.50    0.215    90.57
2023.60    0.216    90.52
2023.70    0.216    90.47
2023.80    0.217    90.42
2023.90    0.217    90.38
2024.00    0.218    90.33
2024.10    0.218    90.28
2024.20    0.219    90.24
2024.30    0.219    90.19
2024.40    0.220    90.14
2024.50    0.220    90.10
2024.60    0.221    90.05
2024.70    0.221    90.01
2024.80    0.222    89.96
2024.90    0.222    89.92
2025.00    0.222    89.87
2025.10    0.223    89.83
2025.20    0.223    89.78
2025.30    0.223    89.74
2025.40    0.224    89.69
2025.50    0.224    89.65
2025.60    0.224    89.60
2025.70    0.225    89.56
2025.80    0.225    89.51
2025.90    0.225    89.47
2026.00    0.225    89.43
2026.10    0.226    89.38
2026.20    0.226    89.34
2026.30    0.226    89.30
2026.40    0.226    89.25
2026.50    0.226    89.21
2026.60    0.227    89.16
2026.70    0.227    89.12
2026.80    0.227    89.08
2026.90    0.227    89.04
2027.00    0.227    88.99
2027.10    0.227    88.95
2027.20    0.227    88.91
2027.30    0.227    88.86
2027.40    0.228    88.82
2027.50    0.228    88.78
2027.60    0.228    88.73
2027.70    0.228    88.69
2027.80    0.228    88.65
2027.90    0.228    88.60
2028.00    0.228    88.56
2028.10    0.228    88.52
2028.20    0.228    88.48
2028.30    0.228    88.43
2028.40    0.228    88.39
2028.50    0.228    88.35
2028.60    0.227    88.30
2028.70    0.227    88.26
2028.80    0.227    88.22
2028.90    0.227    88.17
2029.00    0.227    88.13
2029.10    0.227    88.09
2029.20    0.227    88.05
2029.30    0.227    88.00
2029.40    0.226    87.96
2029.50    0.226    87.92
2029.60    0.226    87.87
2029.70    0.226    87.83
2029.80    0.226    87.78
2029.90    0.225    87.74
2030.00    0.225    87.70
2030.10    0.225    87.65
2030.20    0.225    87.61
2030.30    0.224    87.56
2030.40    0.224    87.52
2030.50    0.224    87.48
2030.60    0.224    87.43
2030.70    0.223    87.39
2030.80    0.223    87.34
2030.90    0.223    87.30
2031.00    0.222    87.25
2031.10    0.222    87.21
2031.20    0.221    87.16
2031.30    0.221    87.12
2031.40    0.221    87.07
2031.50    0.220    87.02
2031.60    0.220    86.98
2031.70    0.219    86.93
2031.80    0.219    86.89
2031.90    0.218    86.84
2032.00    0.218    86.79
2032.10    0.218    86.75
2032.20    0.217    86.70
2032.30    0.217    86.65
2032.40    0.216    86.60
2032.50    0.215    86.56
2032.60    0.215    86.51
2032.70    0.214    86.46
2032.80    0.214    86.41
2032.90    0.213    86.36
2033.00    0.213    86.31
2033.10    0.212    86.26
2033.20    0.212    86.21
2033.30    0.211    86.16
2033.40    0.210    86.11
2033.50    0.210    86.06
2033.60    0.209    86.01
2033.70    0.208    85.96
2033.80    0.208    85.91
2033.90    0.207    85.86
2034.00    0.206    85.81
2034.10    0.206    85.75
2034.20    0.205    85.70
2034.30    0.204    85.65
2034.40    0.203    85.59
2034.50    0.203    85.54
2034.60    0.202    85.49
2034.70    0.201    85.43
2034.80    0.200    85.38
2034.90    0.200    85.32
2035.00    0.199    85.26
2035.10    0.198    85.21
2035.20    0.197    85.15
2035.30    0.196    85.09
2035.40    0.195    85.03
2035.50    0.195    84.98
2035.60    0.194    84.92
2035.70    0.193    84.86
2035.80    0.192    84.80
2035.90    0.191    84.74
2036.00    0.190    84.67
2036.10    0.189    84.61
2036.20    0.188    84.55
2036.30    0.187    84.49
2036.40    0.186    84.42
2036.50    0.185    84.36
2036.60    0.184    84.29
2036.70    0.183    84.23
2036.80    0.182    84.16
2036.90    0.181    84.09
2037.00    0.180    84.03
2037.10    0.179    83.96
2037.20    0.178    83.89
2037.30    0.177    83.82
2037.40    0.176    83.74
2037.50    0.175    83.67
2037.60    0.174    83.60
2037.70    0.173    83.53
2037.80    0.172    83.45
2037.90    0.170    83.37
2038.00    0.169    83.30
2038.10    0.168    83.22
2038.20    0.167    83.14
2038.30    0.166    83.06
2038.40    0.165    82.98
2038.50    0.163    82.89
2038.60    0.162    82.81
2038.70    0.161    82.73
2038.80    0.160    82.64
2038.90    0.158    82.55
2039.00    0.157    82.46
2039.10    0.156    82.37
2039.20    0.155    82.28
2039.30    0.153    82.18
2039.40    0.152    82.09
2039.50    0.151    81.99
2039.60    0.149    81.89
2039.70    0.148    81.79
2039.80    0.147    81.69
2039.90    0.145    81.59
2040.00    0.144    81.48
2040.10    0.143    81.37
2040.20    0.141    81.26
2040.30    0.140    81.15
2040.40    0.138    81.03
2040.50    0.137    80.91
2040.60    0.135    80.79
2040.70    0.134    80.67
2040.80    0.133    80.55
2040.90    0.131    80.42
2041.00    0.130    80.29
2041.10    0.128    80.15
2041.20    0.127    80.02
2041.30    0.125    79.88
2041.40    0.123    79.73
2041.50    0.122    79.58
2041.60    0.120    79.43
2041.70    0.119    79.28
2041.80    0.117    79.12
2041.90    0.116    78.95
2042.00    0.114    78.78
2042.10    0.112    78.61
2042.20    0.111    78.43
2042.30    0.109    78.25
2042.40    0.107    78.06
2042.50    0.106    77.86
2042.60    0.104    77.66
2042.70    0.102    77.45
2042.80    0.101    77.23
2042.90    0.099    77.01
2043.00    0.097    76.78
2043.10    0.096    76.54
2043.20    0.094    76.29
2043.30    0.092    76.03
2043.40    0.090    75.76
2043.50    0.088    75.49
2043.60    0.087    75.20
2043.70    0.085    74.89
2043.80    0.083    74.58
2043.90    0.081    74.25
2044.00    0.079    73.90
2044.10    0.078    73.54
2044.20    0.076    73.16
2044.30    0.074    72.77
2044.40    0.072    72.35
2044.50    0.070    71.91
2044.60    0.068    71.44
2044.70    0.066    70.95
2044.80    0.064    70.43
2044.90    0.063    69.88
2045.00    0.061    69.29
2045.10    0.059    68.66
2045.20    0.057    68.00
2045.30    0.055    67.28
2045.40    0.053    66.52
2045.50    0.051    65.69
2045.60    0.049    64.80
2045.70    0.047    63.84
2045.80    0.045    62.79
2045.90    0.043    61.66
2046.00    0.041    60.41
2046.10    0.039    59.05
2046.20    0.038    57.55






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 17:52:34



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