Double Star Calculator - Orbit

Orbital Elements for HDS3146

WDS:	HDS3146	WDS ID/Discoverer
P:	37.000	Orbital period (years)
a:	0.122	Semi-major axis (arcseconds)
i:	134.4	Inclination (degrees)
Ω:	177.7	Longitude of ascending node (degrees)
T:	2014.240	Epoch of periastron passage (year)
e:	0.6	Eccentricity
ω:	48.2	Longitude of periastron (degrees)
Start-Year:	2006.5	Year
End-Year:	2043.5	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3146
Position:	220825.32-440326.2	Epoch-2000 right ascension and declination
WDS-ID:	22084-4403	WDS designation
Discoverer Code:	HDS3146	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	210022	HD catalog number
Hipparcos number:	109288	Hipparcos catalog number
V1:	9.97	Magnitude of the primary
V2:	10.30	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2018i	Reference

Double Star Orbit for HDS3146

WDS 6th Orbit including measures of HDS3146

-- 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 HDS3146

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.168   337.22
--------------------------
2006.50    0.101   270.38
2006.60    0.101   269.58
2006.70    0.100   268.77
2006.80    0.099   267.95
2006.90    0.098   267.12
2007.00    0.098   266.27
2007.10    0.097   265.42
2007.20    0.096   264.55
2007.30    0.095   263.66
2007.40    0.095   262.77
2007.50    0.094   261.86
2007.60    0.093   260.94
2007.70    0.093   260.00
2007.80    0.092   259.05
2007.90    0.091   258.08
2008.00    0.091   257.10
2008.10    0.090   256.10
2008.20    0.089   255.09
2008.30    0.089   254.07
2008.40    0.088   253.03
2008.50    0.087   251.97
2008.60    0.087   250.89
2008.70    0.086   249.80
2008.80    0.085   248.70
2008.90    0.085   247.57
2009.00    0.084   246.43
2009.10    0.083   245.27
2009.20    0.083   244.10
2009.30    0.082   242.91
2009.40    0.081   241.69
2009.50    0.081   240.46
2009.60    0.080   239.22
2009.70    0.080   237.95
2009.80    0.079   236.66
2009.90    0.079   235.36
2010.00    0.078   234.03
2010.10    0.077   232.69
2010.20    0.077   231.32
2010.30    0.076   229.94
2010.40    0.076   228.53
2010.50    0.075   227.10
2010.60    0.074   225.65
2010.70    0.074   224.18
2010.80    0.073   222.69
2010.90    0.073   221.17
2011.00    0.072   219.63
2011.10    0.072   218.06
2011.20    0.071   216.47
2011.30    0.070   214.85
2011.40    0.070   213.21
2011.50    0.069   211.53
2011.60    0.069   209.83
2011.70    0.068   208.10
2011.80    0.067   206.33
2011.90    0.067   204.53
2012.00    0.066   202.70
2012.10    0.065   200.82
2012.20    0.065   198.90
2012.30    0.064   196.94
2012.40    0.063   194.93
2012.50    0.062   192.87
2012.60    0.061   190.75
2012.70    0.060   188.57
2012.80    0.060   186.32
2012.90    0.059   183.99
2013.00    0.057   181.58
2013.10    0.056   179.08
2013.20    0.055   176.48
2013.30    0.054   173.77
2013.40    0.053   170.92
2013.50    0.051   167.94
2013.60    0.050   164.79
2013.70    0.049   161.47
2013.80    0.047   157.96
2013.90    0.046   154.23
2014.00    0.044   150.26
2014.10    0.043   146.03
2014.20    0.042   141.53
2014.30    0.041   136.75
2014.40    0.039   131.69
2014.50    0.038   126.35
2014.60    0.038   120.76
2014.70    0.037   114.97
2014.80    0.037   109.04
2014.90    0.037   103.03
2015.00    0.037    97.05
2015.10    0.037    91.16
2015.20    0.038    85.45
2015.30    0.039    79.98
2015.40    0.040    74.80
2015.50    0.041    69.93
2015.60    0.043    65.39
2015.70    0.045    61.17
2015.80    0.046    57.26
2015.90    0.048    53.65
2016.00    0.050    50.31
2016.10    0.052    47.23
2016.20    0.054    44.38
2016.30    0.056    41.73
2016.40    0.059    39.28
2016.50    0.061    37.00
2016.60    0.063    34.88
2016.70    0.065    32.89
2016.80    0.067    31.03
2016.90    0.069    29.29
2017.00    0.071    27.64
2017.10    0.073    26.09
2017.20    0.075    24.63
2017.30    0.077    23.24
2017.40    0.080    21.93
2017.50    0.082    20.68
2017.60    0.083    19.49
2017.70    0.085    18.35
2017.80    0.087    17.26
2017.90    0.089    16.22
2018.00    0.091    15.23
2018.10    0.093    14.27
2018.20    0.095    13.35
2018.30    0.096    12.46
2018.40    0.098    11.60
2018.50    0.100    10.78
2018.60    0.102     9.98
2018.70    0.103     9.21
2018.80    0.105     8.46
2018.90    0.106     7.73
2019.00    0.108     7.03
2019.10    0.110     6.34
2019.20    0.111     5.68
2019.30    0.113     5.03
2019.40    0.114     4.40
2019.50    0.116     3.78
2019.60    0.117     3.18
2019.70    0.118     2.60
2019.80    0.120     2.03
2019.90    0.121     1.47
2020.00    0.122     0.92
2020.10    0.124     0.38
2020.20    0.125   359.86
2020.30    0.126   359.34
2020.40    0.127   358.84
2020.50    0.129   358.34
2020.60    0.130   357.86
2020.70    0.131   357.38
2020.80    0.132   356.91
2020.90    0.133   356.45
2021.00    0.134   356.00
2021.10    0.135   355.55
2021.20    0.136   355.11
2021.30    0.137   354.68
2021.40    0.138   354.25
2021.50    0.139   353.83
2021.60    0.140   353.42
2021.70    0.141   353.01
2021.80    0.142   352.60
2021.90    0.143   352.21
2022.00    0.144   351.81
2022.10    0.145   351.42
2022.20    0.146   351.04
2022.30    0.147   350.66
2022.40    0.147   350.29
2022.50    0.148   349.92
2022.60    0.149   349.55
2022.70    0.150   349.19
2022.80    0.151   348.83
2022.90    0.151   348.47
2023.00    0.152   348.12
2023.10    0.153   347.77
2023.20    0.153   347.42
2023.30    0.154   347.08
2023.40    0.155   346.74
2023.50    0.155   346.40
2023.60    0.156   346.07
2023.70    0.157   345.74
2023.80    0.157   345.41
2023.90    0.158   345.08
2024.00    0.158   344.76
2024.10    0.159   344.44
2024.20    0.160   344.12
2024.30    0.160   343.80
2024.40    0.161   343.48
2024.50    0.161   343.17
2024.60    0.162   342.86
2024.70    0.162   342.55
2024.80    0.162   342.24
2024.90    0.163   341.94
2025.00    0.163   341.63
2025.10    0.164   341.33
2025.20    0.164   341.03
2025.30    0.165   340.73
2025.40    0.165   340.43
2025.50    0.165   340.13
2025.60    0.166   339.83
2025.70    0.166   339.54
2025.80    0.166   339.25
2025.90    0.167   338.95
2026.00    0.167   338.66
2026.10    0.167   338.37
2026.20    0.168   338.08
2026.30    0.168   337.80
2026.40    0.168   337.51
2026.50    0.168   337.22
2026.60    0.169   336.94
2026.70    0.169   336.65
2026.80    0.169   336.37
2026.90    0.169   336.09
2027.00    0.170   335.80
2027.10    0.170   335.52
2027.20    0.170   335.24
2027.30    0.170   334.96
2027.40    0.170   334.68
2027.50    0.170   334.40
2027.60    0.170   334.12
2027.70    0.171   333.84
2027.80    0.171   333.57
2027.90    0.171   333.29
2028.00    0.171   333.01
2028.10    0.171   332.73
2028.20    0.171   332.46
2028.30    0.171   332.18
2028.40    0.171   331.90
2028.50    0.171   331.63
2028.60    0.171   331.35
2028.70    0.171   331.07
2028.80    0.171   330.80
2028.90    0.171   330.52
2029.00    0.171   330.25
2029.10    0.171   329.97
2029.20    0.171   329.69
2029.30    0.171   329.42
2029.40    0.171   329.14
2029.50    0.171   328.86
2029.60    0.171   328.59
2029.70    0.171   328.31
2029.80    0.171   328.03
2029.90    0.171   327.76
2030.00    0.171   327.48
2030.10    0.171   327.20
2030.20    0.171   326.92
2030.30    0.171   326.64
2030.40    0.170   326.37
2030.50    0.170   326.09
2030.60    0.170   325.81
2030.70    0.170   325.53
2030.80    0.170   325.24
2030.90    0.170   324.96
2031.00    0.169   324.68
2031.10    0.169   324.40
2031.20    0.169   324.12
2031.30    0.169   323.83
2031.40    0.169   323.55
2031.50    0.168   323.26
2031.60    0.168   322.98
2031.70    0.168   322.69
2031.80    0.168   322.40
2031.90    0.168   322.11
2032.00    0.167   321.82
2032.10    0.167   321.53
2032.20    0.167   321.24
2032.30    0.167   320.95
2032.40    0.166   320.66
2032.50    0.166   320.37
2032.60    0.166   320.07
2032.70    0.165   319.77
2032.80    0.165   319.48
2032.90    0.165   319.18
2033.00    0.164   318.88
2033.10    0.164   318.58
2033.20    0.164   318.28
2033.30    0.163   317.97
2033.40    0.163   317.67
2033.50    0.163   317.36
2033.60    0.162   317.06
2033.70    0.162   316.75
2033.80    0.162   316.44
2033.90    0.161   316.13
2034.00    0.161   315.81
2034.10    0.160   315.50
2034.20    0.160   315.18
2034.30    0.160   314.87
2034.40    0.159   314.55
2034.50    0.159   314.23
2034.60    0.158   313.90
2034.70    0.158   313.58
2034.80    0.157   313.25
2034.90    0.157   312.92
2035.00    0.156   312.59
2035.10    0.156   312.26
2035.20    0.156   311.93
2035.30    0.155   311.59
2035.40    0.155   311.25
2035.50    0.154   310.91
2035.60    0.154   310.57
2035.70    0.153   310.22
2035.80    0.153   309.88
2035.90    0.152   309.53
2036.00    0.152   309.18
2036.10    0.151   308.82
2036.20    0.150   308.46
2036.30    0.150   308.11
2036.40    0.149   307.74
2036.50    0.149   307.38
2036.60    0.148   307.01
2036.70    0.148   306.64
2036.80    0.147   306.27
2036.90    0.147   305.89
2037.00    0.146   305.52
2037.10    0.145   305.13
2037.20    0.145   304.75
2037.30    0.144   304.36
2037.40    0.144   303.97
2037.50    0.143   303.58
2037.60    0.143   303.18
2037.70    0.142   302.78
2037.80    0.141   302.37
2037.90    0.141   301.97
2038.00    0.140   301.56
2038.10    0.139   301.14
2038.20    0.139   300.72
2038.30    0.138   300.30
2038.40    0.138   299.87
2038.50    0.137   299.44
2038.60    0.136   299.01
2038.70    0.136   298.57
2038.80    0.135   298.12
2038.90    0.134   297.68
2039.00    0.134   297.23
2039.10    0.133   296.77
2039.20    0.132   296.31
2039.30    0.132   295.84
2039.40    0.131   295.37
2039.50    0.130   294.90
2039.60    0.130   294.42
2039.70    0.129   293.93
2039.80    0.128   293.44
2039.90    0.127   292.94
2040.00    0.127   292.44
2040.10    0.126   291.94
2040.20    0.125   291.42
2040.30    0.125   290.90
2040.40    0.124   290.38
2040.50    0.123   289.85
2040.60    0.123   289.31
2040.70    0.122   288.77
2040.80    0.121   288.22
2040.90    0.120   287.66
2041.00    0.120   287.10
2041.10    0.119   286.53
2041.20    0.118   285.95
2041.30    0.117   285.37
2041.40    0.117   284.78
2041.50    0.116   284.18
2041.60    0.115   283.57
2041.70    0.115   282.96
2041.80    0.114   282.34
2041.90    0.113   281.71
2042.00    0.112   281.07
2042.10    0.112   280.42
2042.20    0.111   279.77
2042.30    0.110   279.10
2042.40    0.109   278.43
2042.50    0.109   277.75
2042.60    0.108   277.06
2042.70    0.107   276.35
2042.80    0.106   275.64
2042.90    0.106   274.92
2043.00    0.105   274.19
2043.10    0.104   273.45
2043.20    0.103   272.70
2043.30    0.103   271.93
2043.40    0.102   271.16

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 18:37:05