Double Star Calculator - Orbit

Orbital Elements for SIG5
WDS: SIG5 WDS ID/Discoverer
P: 34.000 Orbital period (years)
a: 0.186 Semi-major axis (arcseconds)
i: 75.9 Inclination (degrees)
Ω: 127.9 Longitude of ascending node (degrees)
T: 2027.805 Epoch of periastron passage (year)
e: 0.31 Eccentricity
ω: 158.0 Longitude of periastron (degrees)
Start-Year: 2008.0 Year
End-Year: 2042.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for SIG5
Position: 184703.42+552243.3 Epoch-2000 right ascension and declination
WDS-ID: 18471+5523 WDS designation
Discoverer Code: SIG5 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 12.55k Magnitude of the primary
V2: 12.81k Magnitude of the secondary
Equinox: Equinox
Date: 2013 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Dup2017 Reference

Double Star Orbit for SIG5



WDS 6th Orbit including measures of SIG5

-- 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 SIG5
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.090   292.19
--------------------------
2008.00    0.190   116.87
2008.10    0.192   117.10
2008.20    0.194   117.33
2008.30    0.195   117.56
2008.40    0.197   117.78
2008.50    0.199   117.99
2008.60    0.200   118.21
2008.70    0.202   118.42
2008.80    0.203   118.63
2008.90    0.205   118.83
2009.00    0.206   119.03
2009.10    0.207   119.23
2009.20    0.209   119.42
2009.30    0.210   119.62
2009.40    0.212   119.81
2009.50    0.213   120.00
2009.60    0.214   120.18
2009.70    0.215   120.37
2009.80    0.217   120.55
2009.90    0.218   120.73
2010.00    0.219   120.91
2010.10    0.220   121.08
2010.20    0.221   121.26
2010.30    0.222   121.43
2010.40    0.223   121.60
2010.50    0.224   121.77
2010.60    0.225   121.94
2010.70    0.226   122.11
2010.80    0.227   122.27
2010.90    0.228   122.43
2011.00    0.229   122.60
2011.10    0.229   122.76
2011.20    0.230   122.92
2011.30    0.231   123.08
2011.40    0.232   123.24
2011.50    0.232   123.40
2011.60    0.233   123.55
2011.70    0.234   123.71
2011.80    0.234   123.86
2011.90    0.235   124.02
2012.00    0.235   124.17
2012.10    0.236   124.33
2012.20    0.236   124.48
2012.30    0.236   124.63
2012.40    0.237   124.78
2012.50    0.237   124.93
2012.60    0.237   125.08
2012.70    0.238   125.23
2012.80    0.238   125.38
2012.90    0.238   125.53
2013.00    0.238   125.68
2013.10    0.238   125.83
2013.20    0.238   125.98
2013.30    0.238   126.13
2013.40    0.238   126.28
2013.50    0.238   126.43
2013.60    0.238   126.58
2013.70    0.238   126.73
2013.80    0.238   126.88
2013.90    0.238   127.03
2014.00    0.238   127.18
2014.10    0.237   127.33
2014.20    0.237   127.48
2014.30    0.237   127.63
2014.40    0.236   127.79
2014.50    0.236   127.94
2014.60    0.235   128.09
2014.70    0.235   128.24
2014.80    0.234   128.40
2014.90    0.234   128.55
2015.00    0.233   128.71
2015.10    0.233   128.86
2015.20    0.232   129.02
2015.30    0.231   129.18
2015.40    0.230   129.34
2015.50    0.230   129.50
2015.60    0.229   129.66
2015.70    0.228   129.82
2015.80    0.227   129.99
2015.90    0.226   130.15
2016.00    0.225   130.32
2016.10    0.224   130.49
2016.20    0.223   130.66
2016.30    0.222   130.83
2016.40    0.221   131.00
2016.50    0.220   131.18
2016.60    0.218   131.36
2016.70    0.217   131.53
2016.80    0.216   131.72
2016.90    0.214   131.90
2017.00    0.213   132.08
2017.10    0.212   132.27
2017.20    0.210   132.46
2017.30    0.209   132.66
2017.40    0.207   132.85
2017.50    0.205   133.05
2017.60    0.204   133.26
2017.70    0.202   133.46
2017.80    0.200   133.67
2017.90    0.199   133.89
2018.00    0.197   134.10
2018.10    0.195   134.32
2018.20    0.193   134.55
2018.30    0.191   134.78
2018.40    0.189   135.01
2018.50    0.187   135.25
2018.60    0.185   135.50
2018.70    0.183   135.75
2018.80    0.181   136.00
2018.90    0.179   136.27
2019.00    0.177   136.54
2019.10    0.174   136.81
2019.20    0.172   137.10
2019.30    0.170   137.39
2019.40    0.167   137.68
2019.50    0.165   137.99
2019.60    0.162   138.31
2019.70    0.160   138.64
2019.80    0.157   138.97
2019.90    0.155   139.32
2020.00    0.152   139.68
2020.10    0.150   140.05
2020.20    0.147   140.44
2020.30    0.144   140.84
2020.40    0.141   141.26
2020.50    0.139   141.69
2020.60    0.136   142.14
2020.70    0.133   142.61
2020.80    0.130   143.10
2020.90    0.127   143.62
2021.00    0.124   144.15
2021.10    0.121   144.72
2021.20    0.118   145.31
2021.30    0.115   145.94
2021.40    0.112   146.60
2021.50    0.109   147.29
2021.60    0.106   148.03
2021.70    0.103   148.81
2021.80    0.099   149.64
2021.90    0.096   150.53
2022.00    0.093   151.48
2022.10    0.090   152.50
2022.20    0.087   153.59
2022.30    0.083   154.76
2022.40    0.080   156.03
2022.50    0.077   157.41
2022.60    0.074   158.91
2022.70    0.071   160.54
2022.80    0.067   162.32
2022.90    0.064   164.28
2023.00    0.061   166.44
2023.10    0.058   168.82
2023.20    0.055   171.46
2023.30    0.052   174.38
2023.40    0.050   177.63
2023.50    0.047   181.24
2023.60    0.045   185.24
2023.70    0.043   189.66
2023.80    0.041   194.52
2023.90    0.039   199.80
2024.00    0.038   205.48
2024.10    0.037   211.49
2024.20    0.037   217.72
2024.30    0.037   224.04
2024.40    0.037   230.31
2024.50    0.038   236.38
2024.60    0.039   242.16
2024.70    0.040   247.55
2024.80    0.042   252.53
2024.90    0.044   257.07
2025.00    0.047   261.18
2025.10    0.049   264.90
2025.20    0.052   268.25
2025.30    0.054   271.27
2025.40    0.057   274.00
2025.50    0.060   276.47
2025.60    0.063   278.71
2025.70    0.066   280.75
2025.80    0.069   282.61
2025.90    0.072   284.32
2026.00    0.075   285.89
2026.10    0.078   287.34
2026.20    0.081   288.69
2026.30    0.084   289.93
2026.40    0.087   291.10
2026.50    0.090   292.19
2026.60    0.092   293.22
2026.70    0.095   294.18
2026.80    0.098   295.09
2026.90    0.100   295.96
2027.00    0.103   296.78
2027.10    0.105   297.56
2027.20    0.108   298.31
2027.30    0.110   299.03
2027.40    0.112   299.72
2027.50    0.114   300.38
2027.60    0.116   301.03
2027.70    0.118   301.65
2027.80    0.119   302.25
2027.90    0.121   302.84
2028.00    0.123   303.41
2028.10    0.124   303.97
2028.20    0.125   304.51
2028.30    0.126   305.05
2028.40    0.127   305.58
2028.50    0.128   306.09
2028.60    0.129   306.61
2028.70    0.130   307.11
2028.80    0.130   307.61
2028.90    0.131   308.11
2029.00    0.131   308.61
2029.10    0.131   309.10
2029.20    0.131   309.59
2029.30    0.131   310.08
2029.40    0.131   310.58
2029.50    0.131   311.07
2029.60    0.131   311.57
2029.70    0.130   312.07
2029.80    0.129   312.57
2029.90    0.129   313.08
2030.00    0.128   313.60
2030.10    0.127   314.12
2030.20    0.126   314.65
2030.30    0.125   315.18
2030.40    0.124   315.73
2030.50    0.123   316.29
2030.60    0.121   316.86
2030.70    0.120   317.45
2030.80    0.118   318.04
2030.90    0.117   318.66
2031.00    0.115   319.29
2031.10    0.113   319.94
2031.20    0.112   320.61
2031.30    0.110   321.30
2031.40    0.108   322.01
2031.50    0.106   322.75
2031.60    0.104   323.52
2031.70    0.102   324.32
2031.80    0.100   325.15
2031.90    0.098   326.01
2032.00    0.096   326.91
2032.10    0.094   327.86
2032.20    0.091   328.85
2032.30    0.089   329.89
2032.40    0.087   330.98
2032.50    0.085   332.13
2032.60    0.083   333.34
2032.70    0.080   334.62
2032.80    0.078   335.97
2032.90    0.076   337.40
2033.00    0.074   338.92
2033.10    0.071   340.53
2033.20    0.069   342.25
2033.30    0.067   344.07
2033.40    0.065   346.02
2033.50    0.063   348.09
2033.60    0.061   350.30
2033.70    0.059   352.65
2033.80    0.057   355.15
2033.90    0.056   357.82
2034.00    0.054     0.65
2034.10    0.052     3.66
2034.20    0.051     6.83
2034.30    0.050    10.17
2034.40    0.049    13.66
2034.50    0.048    17.30
2034.60    0.047    21.07
2034.70    0.047    24.93
2034.80    0.046    28.86
2034.90    0.046    32.83
2035.00    0.046    36.81
2035.10    0.047    40.75
2035.20    0.047    44.62
2035.30    0.048    48.39
2035.40    0.049    52.05
2035.50    0.050    55.55
2035.60    0.051    58.91
2035.70    0.052    62.09
2035.80    0.054    65.11
2035.90    0.055    67.95
2036.00    0.057    70.63
2036.10    0.059    73.14
2036.20    0.061    75.49
2036.30    0.063    77.70
2036.40    0.065    79.77
2036.50    0.067    81.71
2036.60    0.069    83.52
2036.70    0.072    85.22
2036.80    0.074    86.82
2036.90    0.076    88.32
2037.00    0.079    89.73
2037.10    0.081    91.06
2037.20    0.084    92.31
2037.30    0.086    93.49
2037.40    0.088    94.61
2037.50    0.091    95.66
2037.60    0.093    96.66
2037.70    0.096    97.61
2037.80    0.098    98.51
2037.90    0.101    99.37
2038.00    0.103   100.19
2038.10    0.106   100.96
2038.20    0.108   101.70
2038.30    0.111   102.41
2038.40    0.113   103.09
2038.50    0.116   103.74
2038.60    0.118   104.36
2038.70    0.120   104.96
2038.80    0.123   105.53
2038.90    0.125   106.08
2039.00    0.128   106.61
2039.10    0.130   107.12
2039.20    0.132   107.62
2039.30    0.135   108.09
2039.40    0.137   108.55
2039.50    0.139   108.99
2039.60    0.142   109.42
2039.70    0.144   109.84
2039.80    0.146   110.24
2039.90    0.149   110.63
2040.00    0.151   111.01
2040.10    0.153   111.38
2040.20    0.155   111.74
2040.30    0.157   112.08
2040.40    0.159   112.42
2040.50    0.162   112.75
2040.60    0.164   113.07
2040.70    0.166   113.39
2040.80    0.168   113.69
2040.90    0.170   113.99
2041.00    0.172   114.28
2041.10    0.174   114.57
2041.20    0.176   114.84
2041.30    0.178   115.12
2041.40    0.179   115.38
2041.50    0.181   115.64
2041.60    0.183   115.90
2041.70    0.185   116.15
2041.80    0.187   116.39
2041.90    0.189   116.64






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 17:55:45



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