Double Star Calculator - Orbit

Orbital Elements for HU298
WDS: HU298 WDS ID/Discoverer
P: 30.730 Orbital period (years)
a: 0.173 Semi-major axis (arcseconds)
i: 31.0 Inclination (degrees)
Ω: 126.8 Longitude of ascending node (degrees)
T: 1987.470 Epoch of periastron passage (year)
e: 0.263 Eccentricity
ω: 57.0 Longitude of periastron (degrees)
Start-Year: 2009.635 Year
End-Year: 2040.365 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HU298
Position: 233212.71+070506.1 Epoch-2000 right ascension and declination
WDS-ID: 23322+0705 WDS designation
Discoverer Code: HU298 Discover designation and components
ADS number: 16819 Aitken Double Star catalog
HD number: 221445 HD catalog number
Hipparcos number: 116164 Hipparcos catalog number
V1: 7.46 Magnitude of the primary
V2: 7.92 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1997 Date of last observation
Orbit grade: 1 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hrt2000c Reference

Double Star Orbit for HU298



WDS 6th Orbit including measures of HU298

-- 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 HU298
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.189   308.38
--------------------------
2009.63    0.168    59.46
2009.73    0.167    60.49
2009.83    0.167    61.53
2009.93    0.166    62.58
2010.03    0.166    63.63
2010.13    0.166    64.68
2010.23    0.165    65.74
2010.33    0.165    66.80
2010.43    0.165    67.87
2010.53    0.164    68.94
2010.63    0.164    70.02
2010.73    0.164    71.10
2010.83    0.163    72.19
2010.93    0.163    73.28
2011.03    0.162    74.37
2011.13    0.162    75.47
2011.23    0.162    76.58
2011.33    0.161    77.69
2011.43    0.161    78.80
2011.53    0.161    79.92
2011.63    0.160    81.05
2011.73    0.160    82.18
2011.83    0.160    83.31
2011.93    0.159    84.46
2012.03    0.159    85.60
2012.13    0.158    86.75
2012.23    0.158    87.91
2012.33    0.158    89.07
2012.43    0.157    90.24
2012.53    0.157    91.42
2012.63    0.156    92.60
2012.73    0.156    93.79
2012.83    0.156    94.98
2012.93    0.155    96.18
2013.03    0.155    97.39
2013.13    0.154    98.61
2013.23    0.154    99.83
2013.33    0.153   101.06
2013.43    0.153   102.30
2013.53    0.152   103.55
2013.63    0.152   104.80
2013.73    0.151   106.07
2013.83    0.151   107.34
2013.93    0.150   108.62
2014.03    0.149   109.92
2014.13    0.149   111.22
2014.23    0.148   112.53
2014.33    0.148   113.86
2014.43    0.147   115.20
2014.53    0.146   116.54
2014.63    0.146   117.91
2014.73    0.145   119.28
2014.83    0.144   120.67
2014.93    0.143   122.07
2015.03    0.143   123.49
2015.13    0.142   124.92
2015.23    0.141   126.37
2015.33    0.140   127.83
2015.43    0.139   129.32
2015.53    0.139   130.82
2015.63    0.138   132.33
2015.73    0.137   133.87
2015.83    0.136   135.43
2015.93    0.135   137.01
2016.03    0.134   138.61
2016.13    0.133   140.23
2016.23    0.132   141.88
2016.33    0.131   143.55
2016.43    0.130   145.24
2016.53    0.129   146.96
2016.63    0.128   148.70
2016.73    0.127   150.47
2016.83    0.127   152.27
2016.93    0.126   154.10
2017.03    0.125   155.95
2017.13    0.124   157.83
2017.23    0.123   159.74
2017.33    0.122   161.68
2017.43    0.121   163.65
2017.53    0.120   165.65
2017.63    0.119   167.68
2017.73    0.118   169.73
2017.83    0.118   171.82
2017.93    0.117   173.93
2018.03    0.116   176.07
2018.13    0.115   178.23
2018.23    0.115   180.42
2018.33    0.114   182.63
2018.43    0.114   184.87
2018.53    0.113   187.12
2018.63    0.113   189.39
2018.73    0.112   191.68
2018.83    0.112   193.98
2018.93    0.112   196.29
2019.03    0.112   198.61
2019.13    0.112   200.93
2019.23    0.112   203.25
2019.33    0.112   205.58
2019.43    0.112   207.90
2019.53    0.112   210.21
2019.63    0.112   212.51
2019.73    0.113   214.80
2019.83    0.113   217.07
2019.93    0.114   219.33
2020.03    0.114   221.56
2020.13    0.115   223.77
2020.23    0.116   225.96
2020.33    0.116   228.12
2020.43    0.117   230.25
2020.53    0.118   232.35
2020.63    0.119   234.42
2020.73    0.120   236.45
2020.83    0.121   238.45
2020.93    0.122   240.42
2021.03    0.123   242.35
2021.13    0.124   244.24
2021.23    0.125   246.10
2021.33    0.127   247.92
2021.43    0.128   249.71
2021.53    0.129   251.46
2021.63    0.131   253.18
2021.73    0.132   254.86
2021.83    0.133   256.51
2021.93    0.135   258.13
2022.03    0.136   259.71
2022.13    0.137   261.26
2022.23    0.139   262.78
2022.33    0.140   264.27
2022.43    0.142   265.73
2022.53    0.143   267.15
2022.63    0.145   268.56
2022.73    0.146   269.93
2022.83    0.147   271.28
2022.93    0.149   272.60
2023.03    0.150   273.89
2023.13    0.152   275.16
2023.23    0.153   276.41
2023.33    0.155   277.64
2023.43    0.156   278.84
2023.53    0.157   280.02
2023.63    0.159   281.19
2023.73    0.160   282.33
2023.83    0.161   283.45
2023.93    0.163   284.56
2024.03    0.164   285.65
2024.13    0.165   286.72
2024.23    0.166   287.77
2024.33    0.168   288.81
2024.43    0.169   289.84
2024.53    0.170   290.84
2024.63    0.171   291.84
2024.73    0.172   292.82
2024.83    0.174   293.79
2024.93    0.175   294.74
2025.03    0.176   295.69
2025.13    0.177   296.62
2025.23    0.178   297.54
2025.33    0.179   298.45
2025.43    0.180   299.35
2025.53    0.181   300.24
2025.63    0.182   301.12
2025.73    0.183   301.99
2025.83    0.184   302.85
2025.93    0.185   303.70
2026.03    0.186   304.55
2026.13    0.187   305.39
2026.23    0.187   306.22
2026.33    0.188   307.04
2026.43    0.189   307.85
2026.53    0.190   308.66
2026.63    0.190   309.46
2026.73    0.191   310.26
2026.83    0.192   311.05
2026.93    0.193   311.84
2027.03    0.193   312.61
2027.13    0.194   313.39
2027.23    0.194   314.16
2027.33    0.195   314.92
2027.43    0.196   315.68
2027.53    0.196   316.44
2027.63    0.197   317.19
2027.73    0.197   317.93
2027.83    0.198   318.68
2027.93    0.198   319.42
2028.03    0.199   320.15
2028.13    0.199   320.89
2028.23    0.199   321.62
2028.33    0.200   322.35
2028.43    0.200   323.07
2028.53    0.201   323.79
2028.63    0.201   324.51
2028.73    0.201   325.23
2028.83    0.201   325.95
2028.93    0.202   326.66
2029.03    0.202   327.37
2029.13    0.202   328.08
2029.23    0.202   328.79
2029.33    0.203   329.50
2029.43    0.203   330.21
2029.53    0.203   330.91
2029.63    0.203   331.62
2029.73    0.203   332.32
2029.83    0.203   333.02
2029.93    0.203   333.72
2030.03    0.203   334.42
2030.13    0.203   335.13
2030.23    0.203   335.83
2030.33    0.203   336.53
2030.43    0.203   337.23
2030.53    0.203   337.93
2030.63    0.203   338.63
2030.73    0.203   339.33
2030.83    0.203   340.03
2030.93    0.203   340.73
2031.03    0.203   341.43
2031.13    0.203   342.14
2031.23    0.203   342.84
2031.33    0.203   343.54
2031.43    0.203   344.25
2031.53    0.203   344.96
2031.63    0.202   345.66
2031.73    0.202   346.37
2031.83    0.202   347.08
2031.93    0.202   347.79
2032.03    0.202   348.51
2032.13    0.201   349.22
2032.23    0.201   349.94
2032.33    0.201   350.65
2032.43    0.201   351.37
2032.53    0.200   352.09
2032.63    0.200   352.82
2032.73    0.200   353.54
2032.83    0.199   354.27
2032.93    0.199   355.00
2033.03    0.199   355.73
2033.13    0.199   356.47
2033.23    0.198   357.20
2033.33    0.198   357.94
2033.43    0.198   358.68
2033.53    0.197   359.43
2033.63    0.197     0.18
2033.73    0.196     0.93
2033.83    0.196     1.68
2033.93    0.196     2.43
2034.03    0.195     3.19
2034.13    0.195     3.95
2034.23    0.194     4.72
2034.33    0.194     5.49
2034.43    0.194     6.26
2034.53    0.193     7.03
2034.63    0.193     7.81
2034.73    0.192     8.59
2034.83    0.192     9.38
2034.93    0.192    10.17
2035.03    0.191    10.96
2035.13    0.191    11.76
2035.23    0.190    12.56
2035.33    0.190    13.36
2035.43    0.189    14.17
2035.53    0.189    14.98
2035.63    0.188    15.79
2035.73    0.188    16.61
2035.83    0.187    17.44
2035.93    0.187    18.27
2036.03    0.186    19.10
2036.13    0.186    19.93
2036.23    0.186    20.77
2036.33    0.185    21.62
2036.43    0.185    22.47
2036.53    0.184    23.32
2036.63    0.184    24.18
2036.73    0.183    25.04
2036.83    0.183    25.90
2036.93    0.182    26.78
2037.03    0.182    27.65
2037.13    0.181    28.53
2037.23    0.181    29.41
2037.33    0.180    30.30
2037.43    0.180    31.20
2037.53    0.179    32.10
2037.63    0.179    33.00
2037.73    0.179    33.91
2037.83    0.178    34.82
2037.93    0.178    35.73
2038.03    0.177    36.66
2038.13    0.177    37.58
2038.23    0.176    38.51
2038.33    0.176    39.45
2038.43    0.175    40.39
2038.53    0.175    41.33
2038.63    0.175    42.28
2038.73    0.174    43.24
2038.83    0.174    44.20
2038.93    0.173    45.16
2039.03    0.173    46.13
2039.13    0.172    47.10
2039.23    0.172    48.08
2039.33    0.172    49.06
2039.43    0.171    50.05
2039.53    0.171    51.04
2039.63    0.170    52.04
2039.73    0.170    53.04
2039.83    0.170    54.05
2039.93    0.169    55.06
2040.03    0.169    56.07
2040.13    0.168    57.09
2040.23    0.168    58.12
2040.33    0.168    59.15



 

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 18:51:29


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