Double Star Calculator - Orbit

Orbital Elements for HO328
WDS: HO328 WDS ID/Discoverer
P: 62.890 Orbital period (years)
a: 0.243 Semi-major axis (arcseconds)
i: 178.6 Inclination (degrees)
Ω: 82.3 Longitude of ascending node (degrees)
T: 1970.848 Epoch of periastron passage (year)
e: 0.964 Eccentricity
ω: 258.6 Longitude of periastron (degrees)
Start-Year: 1993.555 Year
End-Year: 2056.445 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HO328
Position: 041701.22+194032.6 Epoch-2000 right ascension and declination
WDS-ID: 04170+1941 WDS designation
Discoverer Code: HO328 Discover designation and components
ADS number: 3102 Aitken Double Star catalog
HD number: 27028 HD catalog number
Hipparcos number: 19975 Hipparcos catalog number
V1: 7.38 Magnitude of the primary
V2: 9.06 Magnitude of the secondary
Equinox: Equinox
Date: 2024 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: Sca2025a Reference

Double Star Orbit for HO328



WDS 6th Orbit including measures of HO328

-- 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 HO328
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.269   349.88
--------------------------
1993.56    0.454     7.27
1993.65    0.454     7.23
1993.75    0.455     7.18
1993.85    0.455     7.14
1993.95    0.456     7.10
1994.05    0.456     7.05
1994.15    0.457     7.01
1994.25    0.457     6.97
1994.35    0.458     6.92
1994.45    0.458     6.88
1994.55    0.459     6.84
1994.65    0.459     6.80
1994.75    0.460     6.75
1994.85    0.460     6.71
1994.95    0.461     6.67
1995.05    0.461     6.63
1995.15    0.462     6.58
1995.25    0.462     6.54
1995.35    0.462     6.50
1995.45    0.463     6.46
1995.55    0.463     6.42
1995.65    0.464     6.37
1995.75    0.464     6.33
1995.85    0.464     6.29
1995.95    0.465     6.25
1996.05    0.465     6.21
1996.15    0.466     6.17
1996.25    0.466     6.12
1996.35    0.466     6.08
1996.45    0.467     6.04
1996.55    0.467     6.00
1996.65    0.467     5.96
1996.75    0.468     5.92
1996.85    0.468     5.88
1996.95    0.468     5.84
1997.05    0.469     5.80
1997.15    0.469     5.75
1997.25    0.469     5.71
1997.35    0.470     5.67
1997.45    0.470     5.63
1997.55    0.470     5.59
1997.65    0.471     5.55
1997.75    0.471     5.51
1997.85    0.471     5.47
1997.95    0.471     5.43
1998.05    0.472     5.39
1998.15    0.472     5.35
1998.25    0.472     5.31
1998.35    0.472     5.27
1998.45    0.473     5.23
1998.55    0.473     5.19
1998.65    0.473     5.15
1998.75    0.473     5.11
1998.85    0.474     5.07
1998.95    0.474     5.03
1999.05    0.474     4.99
1999.15    0.474     4.95
1999.25    0.474     4.91
1999.35    0.474     4.87
1999.45    0.475     4.83
1999.55    0.475     4.79
1999.65    0.475     4.75
1999.75    0.475     4.71
1999.85    0.475     4.67
1999.95    0.475     4.63
2000.05    0.476     4.59
2000.15    0.476     4.55
2000.25    0.476     4.51
2000.35    0.476     4.47
2000.45    0.476     4.43
2000.55    0.476     4.39
2000.65    0.476     4.35
2000.75    0.476     4.31
2000.85    0.476     4.27
2000.95    0.477     4.23
2001.05    0.477     4.19
2001.15    0.477     4.15
2001.25    0.477     4.11
2001.35    0.477     4.07
2001.45    0.477     4.03
2001.55    0.477     3.99
2001.65    0.477     3.96
2001.75    0.477     3.92
2001.85    0.477     3.88
2001.95    0.477     3.84
2002.05    0.477     3.80
2002.15    0.477     3.76
2002.25    0.477     3.72
2002.35    0.477     3.68
2002.45    0.477     3.64
2002.55    0.477     3.60
2002.65    0.477     3.56
2002.75    0.477     3.52
2002.85    0.477     3.48
2002.95    0.477     3.44
2003.05    0.477     3.40
2003.15    0.477     3.36
2003.25    0.477     3.32
2003.35    0.477     3.28
2003.45    0.477     3.24
2003.55    0.477     3.20
2003.65    0.477     3.17
2003.75    0.476     3.13
2003.85    0.476     3.09
2003.95    0.476     3.05
2004.05    0.476     3.01
2004.15    0.476     2.97
2004.25    0.476     2.93
2004.35    0.476     2.89
2004.45    0.476     2.85
2004.55    0.476     2.81
2004.65    0.475     2.77
2004.75    0.475     2.73
2004.85    0.475     2.69
2004.95    0.475     2.65
2005.05    0.475     2.61
2005.15    0.475     2.57
2005.25    0.474     2.53
2005.35    0.474     2.49
2005.45    0.474     2.45
2005.55    0.474     2.41
2005.65    0.474     2.37
2005.75    0.473     2.33
2005.85    0.473     2.29
2005.95    0.473     2.25
2006.05    0.473     2.21
2006.15    0.473     2.17
2006.25    0.472     2.13
2006.35    0.472     2.09
2006.45    0.472     2.05
2006.55    0.472     2.01
2006.65    0.471     1.97
2006.75    0.471     1.93
2006.85    0.471     1.89
2006.95    0.470     1.85
2007.05    0.470     1.81
2007.15    0.470     1.76
2007.25    0.470     1.72
2007.35    0.469     1.68
2007.45    0.469     1.64
2007.55    0.469     1.60
2007.65    0.468     1.56
2007.75    0.468     1.52
2007.85    0.468     1.48
2007.95    0.467     1.44
2008.05    0.467     1.40
2008.15    0.467     1.36
2008.25    0.466     1.31
2008.35    0.466     1.27
2008.45    0.466     1.23
2008.55    0.465     1.19
2008.65    0.465     1.15
2008.75    0.464     1.11
2008.85    0.464     1.06
2008.95    0.464     1.02
2009.05    0.463     0.98
2009.15    0.463     0.94
2009.25    0.462     0.90
2009.35    0.462     0.85
2009.45    0.461     0.81
2009.55    0.461     0.77
2009.65    0.461     0.73
2009.75    0.460     0.69
2009.85    0.460     0.64
2009.95    0.459     0.60
2010.05    0.459     0.56
2010.15    0.458     0.52
2010.25    0.458     0.47
2010.35    0.457     0.43
2010.45    0.457     0.39
2010.55    0.456     0.34
2010.65    0.456     0.30
2010.75    0.455     0.26
2010.85    0.455     0.21
2010.95    0.454     0.17
2011.05    0.453     0.13
2011.15    0.453     0.08
2011.25    0.452     0.04
2011.35    0.452   359.99
2011.45    0.451   359.95
2011.55    0.451   359.91
2011.65    0.450   359.86
2011.75    0.449   359.82
2011.85    0.449   359.77
2011.95    0.448   359.73
2012.05    0.448   359.68
2012.15    0.447   359.64
2012.25    0.446   359.59
2012.35    0.446   359.55
2012.45    0.445   359.50
2012.55    0.444   359.46
2012.65    0.444   359.41
2012.75    0.443   359.37
2012.85    0.442   359.32
2012.95    0.442   359.27
2013.05    0.441   359.23
2013.15    0.440   359.18
2013.25    0.440   359.14
2013.35    0.439   359.09
2013.45    0.438   359.04
2013.55    0.438   359.00
2013.65    0.437   358.95
2013.75    0.436   358.90
2013.85    0.435   358.85
2013.95    0.435   358.81
2014.05    0.434   358.76
2014.15    0.433   358.71
2014.25    0.432   358.66
2014.35    0.432   358.62
2014.45    0.431   358.57
2014.55    0.430   358.52
2014.65    0.429   358.47
2014.75    0.428   358.42
2014.85    0.428   358.37
2014.95    0.427   358.32
2015.05    0.426   358.27
2015.15    0.425   358.22
2015.25    0.424   358.17
2015.35    0.423   358.12
2015.45    0.423   358.07
2015.55    0.422   358.02
2015.65    0.421   357.97
2015.75    0.420   357.92
2015.85    0.419   357.87
2015.95    0.418   357.82
2016.05    0.417   357.77
2016.15    0.416   357.72
2016.25    0.415   357.66
2016.35    0.414   357.61
2016.45    0.414   357.56
2016.55    0.413   357.51
2016.65    0.412   357.45
2016.75    0.411   357.40
2016.85    0.410   357.35
2016.95    0.409   357.29
2017.05    0.408   357.24
2017.15    0.407   357.19
2017.25    0.406   357.13
2017.35    0.405   357.08
2017.45    0.404   357.02
2017.55    0.403   356.97
2017.65    0.402   356.91
2017.75    0.401   356.85
2017.85    0.400   356.80
2017.95    0.399   356.74
2018.05    0.397   356.69
2018.15    0.396   356.63
2018.25    0.395   356.57
2018.35    0.394   356.51
2018.45    0.393   356.46
2018.55    0.392   356.40
2018.65    0.391   356.34
2018.75    0.390   356.28
2018.85    0.389   356.22
2018.95    0.387   356.16
2019.05    0.386   356.10
2019.15    0.385   356.04
2019.25    0.384   355.98
2019.35    0.383   355.92
2019.45    0.382   355.86
2019.55    0.380   355.79
2019.65    0.379   355.73
2019.75    0.378   355.67
2019.85    0.377   355.61
2019.95    0.375   355.54
2020.05    0.374   355.48
2020.15    0.373   355.41
2020.25    0.372   355.35
2020.35    0.370   355.28
2020.45    0.369   355.22
2020.55    0.368   355.15
2020.65    0.366   355.09
2020.75    0.365   355.02
2020.85    0.364   354.95
2020.95    0.362   354.88
2021.05    0.361   354.81
2021.15    0.360   354.74
2021.25    0.358   354.68
2021.35    0.357   354.60
2021.45    0.356   354.53
2021.55    0.354   354.46
2021.65    0.353   354.39
2021.75    0.351   354.32
2021.85    0.350   354.25
2021.95    0.348   354.17
2022.05    0.347   354.10
2022.15    0.345   354.02
2022.25    0.344   353.95
2022.35    0.342   353.87
2022.45    0.341   353.79
2022.55    0.339   353.72
2022.65    0.338   353.64
2022.75    0.336   353.56
2022.85    0.335   353.48
2022.95    0.333   353.40
2023.05    0.332   353.32
2023.15    0.330   353.23
2023.25    0.328   353.15
2023.35    0.327   353.07
2023.45    0.325   352.98
2023.55    0.324   352.90
2023.65    0.322   352.81
2023.75    0.320   352.72
2023.85    0.319   352.64
2023.95    0.317   352.55
2024.05    0.315   352.46
2024.15    0.313   352.37
2024.25    0.312   352.27
2024.35    0.310   352.18
2024.45    0.308   352.09
2024.55    0.306   351.99
2024.65    0.305   351.90
2024.75    0.303   351.80
2024.85    0.301   351.70
2024.95    0.299   351.60
2025.05    0.297   351.50
2025.15    0.295   351.40
2025.25    0.294   351.29
2025.35    0.292   351.19
2025.45    0.290   351.08
2025.55    0.288   350.97
2025.65    0.286   350.87
2025.75    0.284   350.75
2025.85    0.282   350.64
2025.95    0.280   350.53
2026.05    0.278   350.41
2026.15    0.276   350.30
2026.25    0.274   350.18
2026.35    0.272   350.06
2026.45    0.270   349.93
2026.55    0.268   349.81
2026.65    0.265   349.68
2026.75    0.263   349.55
2026.85    0.261   349.42
2026.95    0.259   349.29
2027.05    0.257   349.16
2027.15    0.255   349.02
2027.25    0.252   348.88
2027.35    0.250   348.74
2027.45    0.248   348.59
2027.55    0.245   348.44
2027.65    0.243   348.29
2027.75    0.241   348.14
2027.85    0.238   347.98
2027.95    0.236   347.82
2028.05    0.234   347.66
2028.15    0.231   347.49
2028.25    0.229   347.32
2028.35    0.226   347.15
2028.45    0.224   346.97
2028.55    0.221   346.79
2028.65    0.219   346.60
2028.75    0.216   346.41
2028.85    0.213   346.22
2028.95    0.211   346.02
2029.05    0.208   345.81
2029.15    0.205   345.60
2029.25    0.203   345.39
2029.35    0.200   345.17
2029.45    0.197   344.94
2029.55    0.194   344.70
2029.65    0.191   344.46
2029.75    0.188   344.21
2029.85    0.185   343.95
2029.95    0.182   343.69
2030.05    0.179   343.41
2030.15    0.176   343.13
2030.25    0.173   342.83
2030.35    0.170   342.53
2030.45    0.167   342.21
2030.55    0.164   341.88
2030.65    0.160   341.54
2030.75    0.157   341.18
2030.85    0.154   340.81
2030.95    0.150   340.42
2031.05    0.147   340.01
2031.15    0.143   339.58
2031.25    0.139   339.13
2031.35    0.136   338.66
2031.45    0.132   338.15
2031.55    0.128   337.62
2031.65    0.124   337.06
2031.75    0.120   336.45
2031.85    0.116   335.81
2031.95    0.112   335.12
2032.05    0.108   334.37
2032.15    0.103   333.57
2032.25    0.099   332.69
2032.35    0.094   331.72
2032.45    0.090   330.66
2032.55    0.085   329.48
2032.65    0.080   328.14
2032.75    0.074   326.63
2032.85    0.069   324.88
2032.95    0.063   322.83
2033.05    0.057   320.36
2033.15    0.051   317.32
2033.25    0.045   313.41
2033.35    0.038   308.10
2033.45    0.030   300.23
2033.55    0.022   286.73
2033.65    0.013   255.82
2033.75    0.009   164.11
2033.85    0.016    97.32
2033.95    0.025    75.06
2034.05    0.033    64.08
2034.15    0.040    57.28
2034.25    0.047    52.54
2034.35    0.053    48.96
2034.45    0.060    46.14
2034.55    0.065    43.84
2034.65    0.071    41.90
2034.75    0.076    40.24
2034.85    0.081    38.79
2034.95    0.086    37.51
2035.05    0.091    36.37
2035.15    0.096    35.34
2035.25    0.100    34.41
2035.35    0.105    33.55
2035.45    0.109    32.77
2035.55    0.113    32.04
2035.65    0.118    31.37
2035.75    0.122    30.74
2035.85    0.126    30.15
2035.95    0.129    29.60
2036.05    0.133    29.08
2036.15    0.137    28.58
2036.25    0.141    28.12
2036.35    0.144    27.67
2036.45    0.148    27.25
2036.55    0.151    26.85
2036.65    0.155    26.47
2036.75    0.158    26.10
2036.85    0.161    25.75
2036.95    0.165    25.41
2037.05    0.168    25.08
2037.15    0.171    24.77
2037.25    0.174    24.47
2037.35    0.177    24.18
2037.45    0.180    23.90
2037.55    0.183    23.63
2037.65    0.186    23.36
2037.75    0.189    23.11
2037.85    0.192    22.86
2037.95    0.195    22.62
2038.05    0.198    22.39
2038.15    0.201    22.16
2038.25    0.203    21.94
2038.35    0.206    21.73
2038.45    0.209    21.52
2038.55    0.212    21.32
2038.65    0.214    21.12
2038.75    0.217    20.93
2038.85    0.219    20.74
2038.95    0.222    20.55
2039.05    0.225    20.37
2039.15    0.227    20.20
2039.25    0.230    20.02
2039.35    0.232    19.86
2039.45    0.234    19.69
2039.55    0.237    19.53
2039.65    0.239    19.37
2039.75    0.242    19.21
2039.85    0.244    19.06
2039.95    0.246    18.91
2040.05    0.249    18.77
2040.15    0.251    18.62
2040.25    0.253    18.48
2040.35    0.255    18.34
2040.45    0.258    18.20
2040.55    0.260    18.07
2040.65    0.262    17.94
2040.75    0.264    17.81
2040.85    0.266    17.68
2040.95    0.268    17.55
2041.05    0.270    17.43
2041.15    0.272    17.31
2041.25    0.275    17.19
2041.35    0.277    17.07
2041.45    0.279    16.95
2041.55    0.281    16.84
2041.65    0.283    16.73
2041.75    0.285    16.61
2041.85    0.287    16.50
2041.95    0.288    16.39
2042.05    0.290    16.29
2042.15    0.292    16.18
2042.25    0.294    16.08
2042.35    0.296    15.97
2042.45    0.298    15.87
2042.55    0.300    15.77
2042.65    0.302    15.67
2042.75    0.303    15.57
2042.85    0.305    15.48
2042.95    0.307    15.38
2043.05    0.309    15.29
2043.15    0.311    15.19
2043.25    0.312    15.10
2043.35    0.314    15.01
2043.45    0.316    14.92
2043.55    0.317    14.83
2043.65    0.319    14.74
2043.75    0.321    14.65
2043.85    0.323    14.56
2043.95    0.324    14.48
2044.05    0.326    14.39
2044.15    0.327    14.31
2044.25    0.329    14.23
2044.35    0.331    14.14
2044.45    0.332    14.06
2044.55    0.334    13.98
2044.65    0.335    13.90
2044.75    0.337    13.82
2044.85    0.338    13.74
2044.95    0.340    13.66
2045.05    0.341    13.59
2045.15    0.343    13.51
2045.25    0.344    13.43
2045.35    0.346    13.36
2045.45    0.347    13.28
2045.55    0.349    13.21
2045.65    0.350    13.14
2045.75    0.352    13.06
2045.85    0.353    12.99
2045.95    0.355    12.92
2046.05    0.356    12.85
2046.15    0.357    12.78
2046.25    0.359    12.71
2046.35    0.360    12.64
2046.45    0.362    12.57
2046.55    0.363    12.50
2046.65    0.364    12.43
2046.75    0.366    12.36
2046.85    0.367    12.30
2046.95    0.368    12.23
2047.05    0.369    12.17
2047.15    0.371    12.10
2047.25    0.372    12.03
2047.35    0.373    11.97
2047.45    0.375    11.91
2047.55    0.376    11.84
2047.65    0.377    11.78
2047.75    0.378    11.72
2047.85    0.380    11.65
2047.95    0.381    11.59
2048.05    0.382    11.53
2048.15    0.383    11.47
2048.25    0.384    11.41
2048.35    0.385    11.35
2048.45    0.387    11.29
2048.55    0.388    11.23
2048.65    0.389    11.17
2048.75    0.390    11.11
2048.85    0.391    11.05
2048.95    0.392    10.99
2049.05    0.393    10.93
2049.15    0.395    10.87
2049.25    0.396    10.82
2049.35    0.397    10.76
2049.45    0.398    10.70
2049.55    0.399    10.64
2049.65    0.400    10.59
2049.75    0.401    10.53
2049.85    0.402    10.48
2049.95    0.403    10.42
2050.05    0.404    10.37
2050.15    0.405    10.31
2050.25    0.406    10.26
2050.35    0.407    10.20
2050.45    0.408    10.15
2050.55    0.409    10.09
2050.65    0.410    10.04
2050.75    0.411     9.99
2050.85    0.412     9.93
2050.95    0.413     9.88
2051.05    0.414     9.83
2051.15    0.415     9.78
2051.25    0.416     9.72
2051.35    0.417     9.67
2051.45    0.418     9.62
2051.55    0.418     9.57
2051.65    0.419     9.52
2051.75    0.420     9.47
2051.85    0.421     9.42
2051.95    0.422     9.37
2052.05    0.423     9.32
2052.15    0.424     9.27
2052.25    0.425     9.22
2052.35    0.425     9.17
2052.45    0.426     9.12
2052.55    0.427     9.07
2052.65    0.428     9.02
2052.75    0.429     8.97
2052.85    0.430     8.92
2052.95    0.430     8.87
2053.05    0.431     8.82
2053.15    0.432     8.77
2053.25    0.433     8.73
2053.35    0.433     8.68
2053.45    0.434     8.63
2053.55    0.435     8.58
2053.65    0.436     8.54
2053.75    0.436     8.49
2053.85    0.437     8.44
2053.95    0.438     8.39
2054.05    0.439     8.35
2054.15    0.439     8.30
2054.25    0.440     8.25
2054.35    0.441     8.21
2054.45    0.441     8.16
2054.55    0.442     8.12
2054.65    0.443     8.07
2054.75    0.443     8.02
2054.85    0.444     7.98
2054.95    0.445     7.93
2055.05    0.445     7.89
2055.15    0.446     7.84
2055.25    0.447     7.80
2055.35    0.447     7.75
2055.45    0.448     7.71
2055.55    0.448     7.66
2055.65    0.449     7.62
2055.75    0.450     7.57
2055.85    0.450     7.53
2055.95    0.451     7.49
2056.05    0.451     7.44
2056.15    0.452     7.40
2056.25    0.453     7.35
2056.35    0.453     7.31






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 15:19:54



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