Double Star Calculator - Orbit

Orbital Elements for HU879
WDS: HU879 WDS ID/Discoverer
P: 38.235 Orbital period (years)
a: 0.3782 Semi-major axis (arcseconds)
i: 81.4 Inclination (degrees)
Ω: 40.7 Longitude of ascending node (degrees)
T: 1999.635 Epoch of periastron passage (year)
e: 0.68 Eccentricity
ω: 35.7 Longitude of periastron (degrees)
Start-Year: 2005.8825485573568 Year
End-Year: 2044.1174514426432 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HU879
Position: 102753.09+364226.9 Epoch-2000 right ascension and declination
WDS-ID: 10279+3642 WDS designation
Discoverer Code: HU879 Discover designation and components
ADS number: 7780 Aitken Double Star catalog
HD number: 90537 HD catalog number
Hipparcos number: 51233 Hipparcos catalog number
V1: 4.62 Magnitude of the primary
V2: 6.04 Magnitude of the secondary
Equinox: 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: WaX2020 Reference

Double Star Orbit for HU879



WDS 6th Orbit including measures of HU879

-- 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 HU879
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.318   233.35
--------------------------
2005.88    0.409   219.77
2005.98    0.413   219.85
2006.08    0.418   219.94
2006.18    0.422   220.02
2006.28    0.426   220.11
2006.38    0.430   220.19
2006.48    0.433   220.27
2006.58    0.437   220.34
2006.68    0.441   220.42
2006.78    0.444   220.50
2006.88    0.448   220.57
2006.98    0.451   220.64
2007.08    0.455   220.71
2007.18    0.458   220.79
2007.28    0.461   220.86
2007.38    0.464   220.92
2007.48    0.468   220.99
2007.58    0.471   221.06
2007.68    0.474   221.13
2007.78    0.477   221.19
2007.88    0.479   221.26
2007.98    0.482   221.32
2008.08    0.485   221.38
2008.18    0.488   221.45
2008.28    0.490   221.51
2008.38    0.493   221.57
2008.48    0.495   221.63
2008.58    0.498   221.69
2008.68    0.500   221.75
2008.78    0.502   221.81
2008.88    0.505   221.87
2008.98    0.507   221.92
2009.08    0.509   221.98
2009.18    0.511   222.04
2009.28    0.513   222.09
2009.38    0.515   222.15
2009.48    0.517   222.20
2009.58    0.519   222.26
2009.68    0.521   222.31
2009.78    0.523   222.37
2009.88    0.524   222.42
2009.98    0.526   222.48
2010.08    0.528   222.53
2010.18    0.529   222.58
2010.28    0.531   222.63
2010.38    0.532   222.69
2010.48    0.534   222.74
2010.58    0.535   222.79
2010.68    0.536   222.84
2010.78    0.538   222.89
2010.88    0.539   222.94
2010.98    0.540   222.99
2011.08    0.541   223.05
2011.18    0.542   223.10
2011.28    0.544   223.15
2011.38    0.545   223.20
2011.48    0.546   223.25
2011.58    0.546   223.29
2011.68    0.547   223.34
2011.78    0.548   223.39
2011.88    0.549   223.44
2011.98    0.550   223.49
2012.08    0.551   223.54
2012.18    0.551   223.59
2012.28    0.552   223.64
2012.38    0.553   223.69
2012.48    0.553   223.73
2012.58    0.554   223.78
2012.68    0.554   223.83
2012.78    0.555   223.88
2012.88    0.555   223.93
2012.98    0.555   223.97
2013.08    0.556   224.02
2013.18    0.556   224.07
2013.28    0.556   224.12
2013.38    0.557   224.17
2013.48    0.557   224.21
2013.58    0.557   224.26
2013.68    0.557   224.31
2013.78    0.557   224.36
2013.88    0.557   224.40
2013.98    0.557   224.45
2014.08    0.557   224.50
2014.18    0.557   224.55
2014.28    0.557   224.59
2014.38    0.557   224.64
2014.48    0.557   224.69
2014.58    0.556   224.74
2014.68    0.556   224.78
2014.78    0.556   224.83
2014.88    0.556   224.88
2014.98    0.555   224.93
2015.08    0.555   224.98
2015.18    0.555   225.02
2015.28    0.554   225.07
2015.38    0.554   225.12
2015.48    0.553   225.17
2015.58    0.553   225.22
2015.68    0.552   225.26
2015.78    0.551   225.31
2015.88    0.551   225.36
2015.98    0.550   225.41
2016.08    0.549   225.46
2016.18    0.549   225.51
2016.28    0.548   225.56
2016.38    0.547   225.61
2016.48    0.546   225.66
2016.58    0.545   225.71
2016.68    0.544   225.76
2016.78    0.543   225.81
2016.88    0.543   225.86
2016.98    0.542   225.91
2017.08    0.541   225.96
2017.18    0.539   226.01
2017.28    0.538   226.06
2017.38    0.537   226.11
2017.48    0.536   226.16
2017.58    0.535   226.21
2017.68    0.534   226.26
2017.78    0.532   226.32
2017.88    0.531   226.37
2017.98    0.530   226.42
2018.08    0.529   226.47
2018.18    0.527   226.53
2018.28    0.526   226.58
2018.38    0.524   226.63
2018.48    0.523   226.69
2018.58    0.522   226.74
2018.68    0.520   226.79
2018.78    0.518   226.85
2018.88    0.517   226.90
2018.98    0.515   226.96
2019.08    0.514   227.02
2019.18    0.512   227.07
2019.28    0.510   227.13
2019.38    0.509   227.19
2019.48    0.507   227.24
2019.58    0.505   227.30
2019.68    0.503   227.36
2019.78    0.502   227.42
2019.88    0.500   227.48
2019.98    0.498   227.54
2020.08    0.496   227.60
2020.18    0.494   227.66
2020.28    0.492   227.72
2020.38    0.490   227.78
2020.48    0.488   227.84
2020.58    0.486   227.90
2020.68    0.484   227.96
2020.78    0.482   228.03
2020.88    0.480   228.09
2020.98    0.478   228.16
2021.08    0.475   228.22
2021.18    0.473   228.29
2021.28    0.471   228.35
2021.38    0.469   228.42
2021.48    0.466   228.49
2021.58    0.464   228.56
2021.68    0.462   228.62
2021.78    0.459   228.69
2021.88    0.457   228.76
2021.98    0.455   228.84
2022.08    0.452   228.91
2022.18    0.450   228.98
2022.28    0.447   229.05
2022.38    0.445   229.13
2022.48    0.442   229.20
2022.58    0.439   229.28
2022.68    0.437   229.36
2022.78    0.434   229.43
2022.88    0.431   229.51
2022.98    0.429   229.59
2023.08    0.426   229.67
2023.18    0.423   229.75
2023.28    0.421   229.84
2023.38    0.418   229.92
2023.48    0.415   230.01
2023.58    0.412   230.09
2023.68    0.409   230.18
2023.78    0.406   230.27
2023.88    0.403   230.36
2023.98    0.400   230.45
2024.08    0.397   230.54
2024.18    0.394   230.64
2024.28    0.391   230.73
2024.38    0.388   230.83
2024.48    0.385   230.93
2024.58    0.382   231.03
2024.68    0.379   231.13
2024.78    0.376   231.24
2024.88    0.373   231.34
2024.98    0.370   231.45
2025.08    0.366   231.56
2025.18    0.363   231.67
2025.28    0.360   231.78
2025.38    0.356   231.90
2025.48    0.353   232.01
2025.58    0.350   232.13
2025.68    0.346   232.26
2025.78    0.343   232.38
2025.88    0.340   232.51
2025.98    0.336   232.64
2026.08    0.333   232.77
2026.18    0.329   232.90
2026.28    0.326   233.04
2026.38    0.322   233.18
2026.48    0.318   233.33
2026.58    0.315   233.47
2026.68    0.311   233.62
2026.78    0.307   233.78
2026.88    0.304   233.94
2026.98    0.300   234.10
2027.08    0.296   234.26
2027.18    0.293   234.43
2027.28    0.289   234.61
2027.38    0.285   234.79
2027.48    0.281   234.97
2027.58    0.277   235.16
2027.68    0.273   235.36
2027.78    0.270   235.56
2027.88    0.266   235.76
2027.98    0.262   235.98
2028.08    0.258   236.19
2028.18    0.254   236.42
2028.28    0.250   236.65
2028.38    0.246   236.89
2028.48    0.242   237.14
2028.58    0.238   237.40
2028.68    0.234   237.67
2028.78    0.229   237.94
2028.88    0.225   238.23
2028.98    0.221   238.52
2029.08    0.217   238.83
2029.18    0.213   239.15
2029.28    0.209   239.48
2029.38    0.204   239.83
2029.48    0.200   240.19
2029.58    0.196   240.57
2029.68    0.192   240.96
2029.78    0.187   241.37
2029.88    0.183   241.81
2029.98    0.179   242.26
2030.08    0.174   242.73
2030.18    0.170   243.23
2030.28    0.165   243.76
2030.38    0.161   244.31
2030.48    0.157   244.89
2030.58    0.152   245.51
2030.68    0.148   246.17
2030.78    0.144   246.86
2030.88    0.139   247.60
2030.98    0.135   248.39
2031.08    0.130   249.23
2031.18    0.126   250.13
2031.28    0.122   251.10
2031.38    0.117   252.13
2031.48    0.113   253.25
2031.58    0.108   254.46
2031.68    0.104   255.76
2031.78    0.100   257.18
2031.88    0.096   258.73
2031.98    0.092   260.41
2032.08    0.087   262.26
2032.18    0.083   264.28
2032.28    0.079   266.51
2032.38    0.076   268.97
2032.48    0.072   271.68
2032.58    0.068   274.67
2032.68    0.065   277.99
2032.78    0.062   281.64
2032.88    0.059   285.67
2032.98    0.057   290.08
2033.08    0.054   294.88
2033.18    0.053   300.04
2033.28    0.051   305.53
2033.38    0.050   311.26
2033.48    0.050   317.15
2033.58    0.050   323.06
2033.68    0.051   328.89
2033.78    0.052   334.53
2033.88    0.053   339.88
2033.98    0.055   344.89
2034.08    0.058   349.52
2034.18    0.060   353.77
2034.28    0.063   357.65
2034.38    0.066     1.17
2034.48    0.070     4.36
2034.58    0.073     7.25
2034.68    0.077     9.88
2034.78    0.081    12.27
2034.88    0.084    14.44
2034.98    0.088    16.43
2035.08    0.092    18.26
2035.18    0.096    19.94
2035.28    0.100    21.49
2035.38    0.103    22.92
2035.48    0.107    24.26
2035.58    0.111    25.51
2035.68    0.114    26.68
2035.78    0.118    27.78
2035.88    0.121    28.82
2035.98    0.124    29.80
2036.08    0.127    30.74
2036.18    0.129    31.64
2036.28    0.132    32.51
2036.38    0.134    33.34
2036.48    0.136    34.16
2036.58    0.137    34.95
2036.68    0.138    35.73
2036.78    0.139    36.50
2036.88    0.139    37.27
2036.98    0.138    38.04
2037.08    0.137    38.83
2037.18    0.135    39.63
2037.28    0.132    40.46
2037.38    0.128    41.33
2037.48    0.124    42.26
2037.58    0.119    43.26
2037.68    0.113    44.36
2037.78    0.106    45.60
2037.88    0.098    47.03
2037.98    0.089    48.72
2038.08    0.080    50.78
2038.18    0.070    53.40
2038.28    0.060    56.86
2038.38    0.050    61.72
2038.48    0.040    69.00
2038.58    0.031    80.76
2038.68    0.024   100.59
2038.78    0.022   129.80
2038.88    0.025   157.86
2038.98    0.033   176.09
2039.08    0.042   186.88
2039.18    0.052   193.61
2039.28    0.063   198.11
2039.38    0.073   201.32
2039.48    0.084   203.71
2039.58    0.094   205.58
2039.68    0.105   207.07
2039.78    0.115   208.29
2039.88    0.125   209.32
2039.98    0.135   210.20
2040.08    0.145   210.95
2040.18    0.154   211.62
2040.28    0.163   212.20
2040.38    0.173   212.72
2040.48    0.181   213.20
2040.58    0.190   213.62
2040.68    0.199   214.01
2040.78    0.207   214.37
2040.88    0.216   214.70
2040.98    0.224   215.01
2041.08    0.231   215.29
2041.18    0.239   215.56
2041.28    0.247   215.81
2041.38    0.254   216.05
2041.48    0.262   216.27
2041.58    0.269   216.48
2041.68    0.276   216.68
2041.78    0.283   216.87
2041.88    0.289   217.05
2041.98    0.296   217.22
2042.08    0.302   217.39
2042.18    0.309   217.54
2042.28    0.315   217.70
2042.38    0.321   217.84
2042.48    0.327   217.98
2042.58    0.333   218.12
2042.68    0.338   218.25
2042.78    0.344   218.38
2042.88    0.349   218.50
2042.98    0.355   218.62
2043.08    0.360   218.73
2043.18    0.365   218.85
2043.28    0.370   218.96
2043.38    0.375   219.06
2043.48    0.380   219.17
2043.58    0.385   219.27
2043.68    0.390   219.36
2043.78    0.394   219.46
2043.88    0.399   219.55
2043.98    0.403   219.65
2044.08    0.408   219.74



 

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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 16:28:04


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