Double Star Calculator - Orbit

Orbital Elements for HU39
WDS: HU39 WDS ID/Discoverer
P: 47.170 Orbital period (years)
a: 0.267 Semi-major axis (arcseconds)
i: 99.2 Inclination (degrees)
Ω: 41.0 Longitude of ascending node (degrees)
T: 1975.230 Epoch of periastron passage (year)
e: 0.26 Eccentricity
ω: 195.1 Longitude of periastron (degrees)
Start-Year: 2001.415 Year
End-Year: 2048.585 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU39
Position: 054710.18+215231.6 Epoch-2000 right ascension and declination
WDS-ID: 05472+2153 WDS designation
Discoverer Code: HU39 Discover designation and components
ADS number: 4373 Aitken Double Star catalog
HD number: 38493 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.1 Magnitude of the primary
V2: 9.2 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2020 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Alz2020c Reference

Double Star Orbit for HU39



WDS 6th Orbit including measures of HU39

-- 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 HU39
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.089   200.17
--------------------------
2001.41    0.298    36.30
2001.51    0.296    36.20
2001.61    0.295    36.11
2001.71    0.293    36.01
2001.81    0.292    35.91
2001.91    0.290    35.81
2002.01    0.289    35.71
2002.11    0.287    35.61
2002.21    0.286    35.51
2002.31    0.284    35.40
2002.41    0.283    35.30
2002.51    0.281    35.19
2002.61    0.279    35.09
2002.71    0.277    34.98
2002.81    0.276    34.87
2002.91    0.274    34.76
2003.01    0.272    34.64
2003.11    0.270    34.53
2003.21    0.268    34.41
2003.31    0.267    34.30
2003.41    0.265    34.18
2003.51    0.263    34.06
2003.61    0.261    33.93
2003.71    0.259    33.81
2003.81    0.257    33.68
2003.91    0.255    33.56
2004.01    0.253    33.43
2004.11    0.251    33.29
2004.21    0.249    33.16
2004.31    0.247    33.02
2004.41    0.244    32.88
2004.51    0.242    32.74
2004.61    0.240    32.60
2004.71    0.238    32.45
2004.81    0.236    32.30
2004.91    0.233    32.15
2005.01    0.231    31.99
2005.11    0.229    31.83
2005.21    0.227    31.67
2005.31    0.224    31.50
2005.41    0.222    31.34
2005.51    0.220    31.16
2005.61    0.217    30.99
2005.71    0.215    30.81
2005.81    0.212    30.62
2005.91    0.210    30.43
2006.01    0.207    30.24
2006.11    0.205    30.04
2006.21    0.202    29.84
2006.31    0.200    29.63
2006.41    0.197    29.42
2006.51    0.195    29.20
2006.61    0.192    28.98
2006.71    0.190    28.75
2006.81    0.187    28.51
2006.91    0.184    28.27
2007.01    0.182    28.02
2007.11    0.179    27.76
2007.21    0.176    27.49
2007.31    0.174    27.22
2007.41    0.171    26.93
2007.51    0.168    26.64
2007.61    0.165    26.34
2007.71    0.163    26.03
2007.81    0.160    25.70
2007.91    0.157    25.37
2008.01    0.154    25.02
2008.11    0.151    24.66
2008.21    0.149    24.29
2008.31    0.146    23.90
2008.41    0.143    23.50
2008.51    0.140    23.08
2008.61    0.137    22.64
2008.71    0.134    22.19
2008.81    0.131    21.71
2008.91    0.129    21.21
2009.01    0.126    20.69
2009.11    0.123    20.15
2009.21    0.120    19.58
2009.31    0.117    18.98
2009.41    0.114    18.35
2009.51    0.111    17.68
2009.61    0.108    16.98
2009.71    0.105    16.24
2009.81    0.102    15.46
2009.91    0.099    14.64
2010.01    0.096    13.76
2010.11    0.094    12.83
2010.21    0.091    11.84
2010.31    0.088    10.78
2010.41    0.085     9.66
2010.51    0.082     8.46
2010.61    0.079     7.17
2010.71    0.077     5.79
2010.81    0.074     4.31
2010.91    0.071     2.71
2011.01    0.069     0.99
2011.11    0.066   359.14
2011.21    0.064   357.13
2011.31    0.061   354.97
2011.41    0.059   352.63
2011.51    0.056   350.09
2011.61    0.054   347.36
2011.71    0.052   344.40
2011.81    0.050   341.21
2011.91    0.049   337.79
2012.01    0.047   334.14
2012.11    0.046   330.25
2012.21    0.045   326.15
2012.31    0.044   321.86
2012.41    0.043   317.41
2012.51    0.043   312.86
2012.61    0.043   308.25
2012.71    0.043   303.64
2012.81    0.043   299.10
2012.91    0.044   294.66
2013.01    0.045   290.39
2013.11    0.046   286.30
2013.21    0.047   282.44
2013.31    0.049   278.80
2013.41    0.051   275.40
2013.51    0.052   272.24
2013.61    0.055   269.30
2013.71    0.057   266.58
2013.81    0.059   264.06
2013.91    0.061   261.73
2014.01    0.064   259.58
2014.11    0.066   257.58
2014.21    0.069   255.73
2014.31    0.071   254.02
2014.41    0.074   252.43
2014.51    0.077   250.95
2014.61    0.079   249.57
2014.71    0.082   248.28
2014.81    0.085   247.08
2014.91    0.088   245.95
2015.01    0.090   244.89
2015.11    0.093   243.90
2015.21    0.096   242.96
2015.31    0.099   242.08
2015.41    0.102   241.24
2015.51    0.105   240.45
2015.61    0.107   239.70
2015.71    0.110   238.99
2015.81    0.113   238.32
2015.91    0.116   237.67
2016.01    0.118   237.06
2016.11    0.121   236.47
2016.21    0.124   235.91
2016.31    0.126   235.38
2016.41    0.129   234.86
2016.51    0.132   234.37
2016.61    0.134   233.89
2016.71    0.137   233.44
2016.81    0.140   233.00
2016.91    0.142   232.57
2017.01    0.145   232.16
2017.11    0.147   231.77
2017.21    0.149   231.39
2017.31    0.152   231.02
2017.41    0.154   230.66
2017.51    0.156   230.31
2017.61    0.159   229.97
2017.71    0.161   229.64
2017.81    0.163   229.32
2017.91    0.165   229.01
2018.01    0.167   228.70
2018.11    0.169   228.40
2018.21    0.171   228.11
2018.31    0.173   227.83
2018.41    0.175   227.55
2018.51    0.177   227.28
2018.61    0.178   227.01
2018.71    0.180   226.75
2018.81    0.182   226.49
2018.91    0.183   226.24
2019.01    0.185   225.99
2019.11    0.186   225.75
2019.21    0.187   225.51
2019.31    0.189   225.27
2019.41    0.190   225.04
2019.51    0.191   224.80
2019.61    0.192   224.58
2019.71    0.193   224.35
2019.81    0.194   224.13
2019.91    0.195   223.90
2020.01    0.196   223.68
2020.11    0.196   223.46
2020.21    0.197   223.25
2020.31    0.198   223.03
2020.41    0.198   222.82
2020.51    0.199   222.60
2020.61    0.199   222.39
2020.71    0.199   222.18
2020.81    0.199   221.97
2020.91    0.199   221.76
2021.01    0.199   221.55
2021.11    0.199   221.33
2021.21    0.199   221.12
2021.31    0.199   220.91
2021.41    0.199   220.70
2021.51    0.198   220.48
2021.61    0.198   220.27
2021.71    0.197   220.05
2021.81    0.196   219.84
2021.91    0.196   219.62
2022.01    0.195   219.40
2022.11    0.194   219.18
2022.21    0.193   218.95
2022.31    0.192   218.72
2022.41    0.191   218.50
2022.51    0.190   218.26
2022.61    0.188   218.03
2022.71    0.187   217.79
2022.81    0.185   217.55
2022.91    0.184   217.30
2023.01    0.182   217.05
2023.11    0.181   216.79
2023.21    0.179   216.53
2023.31    0.177   216.27
2023.41    0.175   216.00
2023.51    0.173   215.72
2023.61    0.171   215.43
2023.71    0.169   215.14
2023.81    0.167   214.84
2023.91    0.164   214.54
2024.01    0.162   214.22
2024.11    0.160   213.90
2024.21    0.157   213.56
2024.31    0.155   213.22
2024.41    0.152   212.86
2024.51    0.149   212.49
2024.61    0.147   212.11
2024.71    0.144   211.71
2024.81    0.141   211.30
2024.91    0.138   210.87
2025.01    0.136   210.42
2025.11    0.133   209.96
2025.21    0.130   209.47
2025.31    0.127   208.96
2025.41    0.124   208.42
2025.51    0.121   207.86
2025.61    0.117   207.26
2025.71    0.114   206.64
2025.81    0.111   205.98
2025.91    0.108   205.28
2026.01    0.105   204.54
2026.11    0.102   203.75
2026.21    0.098   202.90
2026.31    0.095   202.01
2026.41    0.092   201.04
2026.51    0.088   200.01
2026.61    0.085   198.89
2026.71    0.082   197.69
2026.81    0.079   196.39
2026.91    0.075   194.97
2027.01    0.072   193.43
2027.11    0.069   191.75
2027.21    0.066   189.90
2027.31    0.063   187.88
2027.41    0.060   185.64
2027.51    0.057   183.18
2027.61    0.054   180.45
2027.71    0.051   177.42
2027.81    0.049   174.07
2027.91    0.046   170.36
2028.01    0.044   166.27
2028.11    0.042   161.77
2028.21    0.041   156.86
2028.31    0.039   151.57
2028.41    0.038   145.95
2028.51    0.038   140.07
2028.61    0.037   134.05
2028.71    0.037   128.01
2028.81    0.038   122.08
2028.91    0.039   116.38
2029.01    0.040   110.99
2029.11    0.042   105.98
2029.21    0.044   101.37
2029.31    0.046    97.16
2029.41    0.048    93.35
2029.51    0.051    89.90
2029.61    0.053    86.79
2029.71    0.056    83.99
2029.81    0.059    81.46
2029.91    0.062    79.17
2030.01    0.065    77.09
2030.11    0.068    75.21
2030.21    0.072    73.49
2030.31    0.075    71.92
2030.41    0.078    70.48
2030.51    0.081    69.16
2030.61    0.085    67.94
2030.71    0.088    66.81
2030.81    0.091    65.77
2030.91    0.095    64.80
2031.01    0.098    63.90
2031.11    0.102    63.06
2031.21    0.105    62.27
2031.31    0.108    61.53
2031.41    0.112    60.83
2031.51    0.115    60.18
2031.61    0.118    59.56
2031.71    0.122    58.98
2031.81    0.125    58.43
2031.91    0.128    57.91
2032.01    0.132    57.41
2032.11    0.135    56.94
2032.21    0.138    56.49
2032.31    0.142    56.06
2032.41    0.145    55.65
2032.51    0.148    55.26
2032.61    0.151    54.88
2032.71    0.154    54.53
2032.81    0.158    54.18
2032.91    0.161    53.85
2033.01    0.164    53.53
2033.11    0.167    53.22
2033.21    0.170    52.93
2033.31    0.173    52.64
2033.41    0.176    52.37
2033.51    0.179    52.10
2033.61    0.182    51.85
2033.71    0.185    51.60
2033.81    0.188    51.36
2033.91    0.191    51.12
2034.01    0.194    50.90
2034.11    0.197    50.68
2034.21    0.200    50.46
2034.31    0.202    50.25
2034.41    0.205    50.05
2034.51    0.208    49.85
2034.61    0.211    49.66
2034.71    0.213    49.48
2034.81    0.216    49.29
2034.91    0.219    49.12
2035.01    0.221    48.94
2035.11    0.224    48.77
2035.21    0.227    48.61
2035.31    0.229    48.45
2035.41    0.232    48.29
2035.51    0.234    48.13
2035.61    0.237    47.98
2035.71    0.239    47.83
2035.81    0.241    47.69
2035.91    0.244    47.54
2036.01    0.246    47.40
2036.11    0.248    47.27
2036.21    0.251    47.13
2036.31    0.253    47.00
2036.41    0.255    46.87
2036.51    0.257    46.74
2036.61    0.259    46.61
2036.71    0.261    46.49
2036.81    0.264    46.37
2036.91    0.266    46.25
2037.01    0.268    46.13
2037.11    0.270    46.01
2037.21    0.272    45.90
2037.31    0.274    45.79
2037.41    0.275    45.68
2037.51    0.277    45.57
2037.61    0.279    45.46
2037.71    0.281    45.35
2037.81    0.283    45.24
2037.91    0.285    45.14
2038.01    0.286    45.04
2038.11    0.288    44.93
2038.21    0.290    44.83
2038.31    0.291    44.73
2038.41    0.293    44.64
2038.51    0.294    44.54
2038.61    0.296    44.44
2038.71    0.297    44.35
2038.81    0.299    44.25
2038.91    0.300    44.16
2039.01    0.302    44.07
2039.11    0.303    43.97
2039.21    0.304    43.88
2039.31    0.306    43.79
2039.41    0.307    43.70
2039.51    0.308    43.61
2039.61    0.310    43.53
2039.71    0.311    43.44
2039.81    0.312    43.35
2039.91    0.313    43.27
2040.01    0.314    43.18
2040.11    0.315    43.10
2040.21    0.316    43.01
2040.31    0.317    42.93
2040.41    0.318    42.84
2040.51    0.319    42.76
2040.61    0.320    42.68
2040.71    0.321    42.60
2040.81    0.322    42.52
2040.91    0.323    42.44
2041.01    0.323    42.36
2041.11    0.324    42.28
2041.21    0.325    42.20
2041.31    0.326    42.12
2041.41    0.326    42.04
2041.51    0.327    41.96
2041.61    0.328    41.88
2041.71    0.328    41.80
2041.81    0.329    41.72
2041.91    0.329    41.65
2042.01    0.330    41.57
2042.11    0.330    41.49
2042.21    0.331    41.41
2042.31    0.331    41.34
2042.41    0.331    41.26
2042.51    0.332    41.19
2042.61    0.332    41.11
2042.71    0.332    41.03
2042.81    0.333    40.96
2042.91    0.333    40.88
2043.01    0.333    40.81
2043.11    0.333    40.73
2043.21    0.333    40.65
2043.31    0.333    40.58
2043.41    0.333    40.50
2043.51    0.333    40.43
2043.61    0.333    40.35
2043.71    0.333    40.28
2043.81    0.333    40.20
2043.91    0.333    40.12
2044.01    0.333    40.05
2044.11    0.333    39.97
2044.21    0.333    39.90
2044.31    0.333    39.82
2044.41    0.332    39.75
2044.51    0.332    39.67
2044.61    0.332    39.59
2044.71    0.332    39.52
2044.81    0.331    39.44
2044.91    0.331    39.36
2045.01    0.330    39.29
2045.11    0.330    39.21
2045.21    0.330    39.13
2045.31    0.329    39.06
2045.41    0.329    38.98
2045.51    0.328    38.90
2045.61    0.327    38.82
2045.71    0.327    38.74
2045.81    0.326    38.66
2045.91    0.326    38.59
2046.01    0.325    38.51
2046.11    0.324    38.43
2046.21    0.323    38.35
2046.31    0.323    38.27
2046.41    0.322    38.18
2046.51    0.321    38.10
2046.61    0.320    38.02
2046.71    0.319    37.94
2046.81    0.318    37.86
2046.91    0.317    37.77
2047.01    0.317    37.69
2047.11    0.316    37.61
2047.21    0.314    37.52
2047.31    0.313    37.44
2047.41    0.312    37.35
2047.51    0.311    37.26
2047.61    0.310    37.18
2047.71    0.309    37.09
2047.81    0.308    37.00
2047.91    0.307    36.91
2048.01    0.305    36.82
2048.11    0.304    36.73
2048.21    0.303    36.64
2048.31    0.301    36.55
2048.41    0.300    36.46
2048.51    0.299    36.36






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 15:40:38



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