Double Star Calculator - Orbit

Orbital Elements for A2030
WDS: A2030 WDS ID/Discoverer
P: 54.455 Orbital period (years)
a: 0.261 Semi-major axis (arcseconds)
i: 148.7 Inclination (degrees)
Ω: 53.7 Longitude of ascending node (degrees)
T: 1943.408 Epoch of periastron passage (year)
e: 0.48 Eccentricity
ω: 277.0 Longitude of periastron (degrees)
Start-Year: 1997.7725 Year
End-Year: 2052.2275 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2030
Position: 030936.30+051210.6 Epoch-2000 right ascension and declination
WDS-ID: 03096+0512 WDS designation
Discoverer Code: A2030 Discover designation and components
ADS number: 2373 Aitken Double Star catalog
HD number: 19620 HD catalog number
Hipparcos number: 14676 Hipparcos catalog number
V1: 8.58 Magnitude of the primary
V2: 9.20 Magnitude of the secondary
Equinox: 1900 Equinox
Date: 1974 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: Sta1978b Reference

Double Star Orbit for A2030



WDS 6th Orbit including measures of A2030

-- 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 A2030
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.332   311.19
--------------------------
1997.77    0.116   137.78
1997.87    0.116   135.29
1997.97    0.117   132.80
1998.07    0.117   130.32
1998.17    0.117   127.86
1998.27    0.118   125.42
1998.37    0.119   123.01
1998.47    0.119   120.63
1998.57    0.120   118.28
1998.67    0.121   115.96
1998.77    0.122   113.69
1998.87    0.123   111.45
1998.97    0.125   109.26
1999.07    0.126   107.11
1999.17    0.127   105.00
1999.27    0.129   102.94
1999.37    0.130   100.92
1999.47    0.132    98.95
1999.57    0.133    97.02
1999.67    0.135    95.14
1999.77    0.136    93.30
1999.87    0.138    91.51
1999.97    0.140    89.76
2000.07    0.141    88.05
2000.17    0.143    86.38
2000.27    0.145    84.76
2000.37    0.147    83.17
2000.47    0.149    81.62
2000.57    0.150    80.11
2000.67    0.152    78.63
2000.77    0.154    77.19
2000.87    0.156    75.78
2000.97    0.158    74.41
2001.07    0.159    73.06
2001.17    0.161    71.75
2001.27    0.163    70.46
2001.37    0.165    69.21
2001.47    0.167    67.98
2001.57    0.168    66.78
2001.67    0.170    65.60
2001.77    0.172    64.45
2001.87    0.174    63.32
2001.97    0.176    62.21
2002.07    0.177    61.12
2002.17    0.179    60.06
2002.27    0.181    59.02
2002.37    0.182    57.99
2002.47    0.184    56.99
2002.57    0.186    56.00
2002.67    0.187    55.03
2002.77    0.189    54.08
2002.87    0.191    53.14
2002.97    0.192    52.22
2003.07    0.194    51.32
2003.17    0.196    50.43
2003.27    0.197    49.55
2003.37    0.199    48.69
2003.47    0.200    47.84
2003.57    0.202    47.01
2003.67    0.203    46.18
2003.77    0.205    45.37
2003.87    0.206    44.57
2003.97    0.208    43.79
2004.07    0.209    43.01
2004.17    0.211    42.24
2004.27    0.212    41.49
2004.37    0.213    40.74
2004.47    0.215    40.00
2004.57    0.216    39.28
2004.67    0.218    38.56
2004.77    0.219    37.85
2004.87    0.220    37.15
2004.97    0.222    36.46
2005.07    0.223    35.77
2005.17    0.224    35.10
2005.27    0.225    34.43
2005.37    0.227    33.77
2005.47    0.228    33.12
2005.57    0.229    32.47
2005.67    0.230    31.83
2005.77    0.232    31.20
2005.87    0.233    30.57
2005.97    0.234    29.95
2006.07    0.235    29.34
2006.17    0.236    28.73
2006.27    0.237    28.13
2006.37    0.239    27.53
2006.47    0.240    26.94
2006.57    0.241    26.36
2006.67    0.242    25.78
2006.77    0.243    25.20
2006.87    0.244    24.63
2006.97    0.245    24.07
2007.07    0.246    23.51
2007.17    0.247    22.96
2007.27    0.248    22.41
2007.37    0.249    21.86
2007.47    0.250    21.32
2007.57    0.251    20.78
2007.67    0.252    20.25
2007.77    0.253    19.72
2007.87    0.254    19.20
2007.97    0.255    18.68
2008.07    0.256    18.16
2008.17    0.257    17.65
2008.27    0.258    17.14
2008.37    0.259    16.63
2008.47    0.260    16.13
2008.57    0.261    15.64
2008.67    0.262    15.14
2008.77    0.263    14.65
2008.87    0.263    14.16
2008.97    0.264    13.68
2009.07    0.265    13.19
2009.17    0.266    12.72
2009.27    0.267    12.24
2009.37    0.268    11.77
2009.47    0.269    11.30
2009.57    0.269    10.83
2009.67    0.270    10.37
2009.77    0.271     9.91
2009.87    0.272     9.45
2009.97    0.273     8.99
2010.07    0.273     8.54
2010.17    0.274     8.09
2010.27    0.275     7.64
2010.37    0.276     7.20
2010.47    0.276     6.75
2010.57    0.277     6.31
2010.67    0.278     5.87
2010.77    0.279     5.44
2010.87    0.279     5.00
2010.97    0.280     4.57
2011.07    0.281     4.14
2011.17    0.281     3.72
2011.27    0.282     3.29
2011.37    0.283     2.87
2011.47    0.284     2.45
2011.57    0.284     2.03
2011.67    0.285     1.61
2011.77    0.286     1.20
2011.87    0.286     0.78
2011.97    0.287     0.37
2012.07    0.287   359.96
2012.17    0.288   359.55
2012.27    0.289   359.15
2012.37    0.289   358.74
2012.47    0.290   358.34
2012.57    0.291   357.94
2012.67    0.291   357.54
2012.77    0.292   357.15
2012.87    0.292   356.75
2012.97    0.293   356.36
2013.07    0.294   355.96
2013.17    0.294   355.57
2013.27    0.295   355.18
2013.37    0.295   354.80
2013.47    0.296   354.41
2013.57    0.296   354.02
2013.67    0.297   353.64
2013.77    0.298   353.26
2013.87    0.298   352.88
2013.97    0.299   352.50
2014.07    0.299   352.12
2014.17    0.300   351.74
2014.27    0.300   351.37
2014.37    0.301   350.99
2014.47    0.301   350.62
2014.57    0.302   350.25
2014.67    0.302   349.88
2014.77    0.303   349.51
2014.87    0.303   349.14
2014.97    0.304   348.78
2015.07    0.304   348.41
2015.17    0.305   348.05
2015.27    0.305   347.68
2015.37    0.306   347.32
2015.47    0.306   346.96
2015.57    0.307   346.60
2015.67    0.307   346.24
2015.77    0.307   345.89
2015.87    0.308   345.53
2015.97    0.308   345.17
2016.07    0.309   344.82
2016.17    0.309   344.46
2016.27    0.310   344.11
2016.37    0.310   343.76
2016.47    0.310   343.41
2016.57    0.311   343.06
2016.67    0.311   342.71
2016.77    0.312   342.36
2016.87    0.312   342.02
2016.97    0.312   341.67
2017.07    0.313   341.32
2017.17    0.313   340.98
2017.27    0.314   340.64
2017.37    0.314   340.29
2017.47    0.314   339.95
2017.57    0.315   339.61
2017.67    0.315   339.27
2017.77    0.315   338.93
2017.87    0.316   338.59
2017.97    0.316   338.25
2018.07    0.317   337.92
2018.17    0.317   337.58
2018.27    0.317   337.24
2018.37    0.318   336.91
2018.47    0.318   336.57
2018.57    0.318   336.24
2018.67    0.319   335.91
2018.77    0.319   335.57
2018.87    0.319   335.24
2018.97    0.319   334.91
2019.07    0.320   334.58
2019.17    0.320   334.25
2019.27    0.320   333.92
2019.37    0.321   333.59
2019.47    0.321   333.26
2019.57    0.321   332.94
2019.67    0.322   332.61
2019.77    0.322   332.28
2019.87    0.322   331.96
2019.97    0.322   331.63
2020.07    0.323   331.31
2020.17    0.323   330.98
2020.27    0.323   330.66
2020.37    0.323   330.34
2020.47    0.324   330.02
2020.57    0.324   329.69
2020.67    0.324   329.37
2020.77    0.324   329.05
2020.87    0.325   328.73
2020.97    0.325   328.41
2021.07    0.325   328.09
2021.17    0.325   327.77
2021.27    0.325   327.45
2021.37    0.326   327.13
2021.47    0.326   326.82
2021.57    0.326   326.50
2021.67    0.326   326.18
2021.77    0.327   325.86
2021.87    0.327   325.55
2021.97    0.327   325.23
2022.07    0.327   324.92
2022.17    0.327   324.60
2022.27    0.327   324.29
2022.37    0.328   323.97
2022.47    0.328   323.66
2022.57    0.328   323.34
2022.67    0.328   323.03
2022.77    0.328   322.72
2022.87    0.328   322.40
2022.97    0.329   322.09
2023.07    0.329   321.78
2023.17    0.329   321.47
2023.27    0.329   321.15
2023.37    0.329   320.84
2023.47    0.329   320.53
2023.57    0.329   320.22
2023.67    0.330   319.91
2023.77    0.330   319.60
2023.87    0.330   319.29
2023.97    0.330   318.98
2024.07    0.330   318.67
2024.17    0.330   318.36
2024.27    0.330   318.05
2024.37    0.330   317.74
2024.47    0.330   317.43
2024.57    0.331   317.12
2024.67    0.331   316.81
2024.77    0.331   316.50
2024.87    0.331   316.19
2024.97    0.331   315.89
2025.07    0.331   315.58
2025.17    0.331   315.27
2025.27    0.331   314.96
2025.37    0.331   314.65
2025.47    0.331   314.35
2025.57    0.331   314.04
2025.67    0.331   313.73
2025.77    0.331   313.42
2025.87    0.331   313.12
2025.97    0.331   312.81
2026.07    0.331   312.50
2026.17    0.331   312.19
2026.27    0.331   311.89
2026.37    0.332   311.58
2026.47    0.332   311.27
2026.57    0.332   310.97
2026.67    0.332   310.66
2026.77    0.332   310.35
2026.87    0.332   310.04
2026.97    0.332   309.74
2027.07    0.332   309.43
2027.17    0.331   309.12
2027.27    0.331   308.82
2027.37    0.331   308.51
2027.47    0.331   308.20
2027.57    0.331   307.89
2027.67    0.331   307.59
2027.77    0.331   307.28
2027.87    0.331   306.97
2027.97    0.331   306.66
2028.07    0.331   306.36
2028.17    0.331   306.05
2028.27    0.331   305.74
2028.37    0.331   305.43
2028.47    0.331   305.12
2028.57    0.331   304.81
2028.67    0.331   304.51
2028.77    0.331   304.20
2028.87    0.331   303.89
2028.97    0.330   303.58
2029.07    0.330   303.27
2029.17    0.330   302.96
2029.27    0.330   302.65
2029.37    0.330   302.34
2029.47    0.330   302.03
2029.57    0.330   301.72
2029.67    0.330   301.41
2029.77    0.330   301.10
2029.87    0.329   300.79
2029.97    0.329   300.48
2030.07    0.329   300.17
2030.17    0.329   299.85
2030.27    0.329   299.54
2030.37    0.329   299.23
2030.47    0.328   298.92
2030.57    0.328   298.60
2030.67    0.328   298.29
2030.77    0.328   297.98
2030.87    0.328   297.66
2030.97    0.328   297.35
2031.07    0.327   297.03
2031.17    0.327   296.72
2031.27    0.327   296.40
2031.37    0.327   296.09
2031.47    0.327   295.77
2031.57    0.326   295.45
2031.67    0.326   295.14
2031.77    0.326   294.82
2031.87    0.326   294.50
2031.97    0.325   294.18
2032.07    0.325   293.86
2032.17    0.325   293.54
2032.27    0.325   293.22
2032.37    0.324   292.90
2032.47    0.324   292.58
2032.57    0.324   292.26
2032.67    0.324   291.94
2032.77    0.323   291.62
2032.87    0.323   291.29
2032.97    0.323   290.97
2033.07    0.322   290.64
2033.17    0.322   290.32
2033.27    0.322   289.99
2033.37    0.321   289.67
2033.47    0.321   289.34
2033.57    0.321   289.01
2033.67    0.320   288.68
2033.77    0.320   288.35
2033.87    0.320   288.02
2033.97    0.319   287.69
2034.07    0.319   287.36
2034.17    0.319   287.03
2034.27    0.318   286.70
2034.37    0.318   286.36
2034.47    0.317   286.03
2034.57    0.317   285.69
2034.67    0.317   285.36
2034.77    0.316   285.02
2034.87    0.316   284.68
2034.97    0.315   284.34
2035.07    0.315   284.00
2035.17    0.315   283.66
2035.27    0.314   283.32
2035.37    0.314   282.98
2035.47    0.313   282.63
2035.57    0.313   282.29
2035.67    0.312   281.94
2035.77    0.312   281.60
2035.87    0.311   281.25
2035.97    0.311   280.90
2036.07    0.310   280.55
2036.17    0.310   280.20
2036.27    0.309   279.85
2036.37    0.309   279.50
2036.47    0.308   279.14
2036.57    0.308   278.79
2036.67    0.307   278.43
2036.77    0.307   278.07
2036.87    0.306   277.71
2036.97    0.306   277.35
2037.07    0.305   276.99
2037.17    0.304   276.62
2037.27    0.304   276.26
2037.37    0.303   275.89
2037.47    0.303   275.53
2037.57    0.302   275.16
2037.67    0.301   274.79
2037.77    0.301   274.41
2037.87    0.300   274.04
2037.97    0.300   273.66
2038.07    0.299   273.29
2038.17    0.298   272.91
2038.27    0.298   272.53
2038.37    0.297   272.15
2038.47    0.296   271.76
2038.57    0.296   271.38
2038.67    0.295   270.99
2038.77    0.294   270.60
2038.87    0.293   270.21
2038.97    0.293   269.81
2039.07    0.292   269.42
2039.17    0.291   269.02
2039.27    0.290   268.62
2039.37    0.290   268.22
2039.47    0.289   267.82
2039.57    0.288   267.41
2039.67    0.287   267.00
2039.77    0.286   266.59
2039.87    0.286   266.18
2039.97    0.285   265.77
2040.07    0.284   265.35
2040.17    0.283   264.93
2040.27    0.282   264.51
2040.37    0.281   264.08
2040.47    0.281   263.65
2040.57    0.280   263.22
2040.67    0.279   262.79
2040.77    0.278   262.36
2040.87    0.277   261.92
2040.97    0.276   261.48
2041.07    0.275   261.03
2041.17    0.274   260.58
2041.27    0.273   260.13
2041.37    0.272   259.68
2041.47    0.271   259.22
2041.57    0.270   258.76
2041.67    0.269   258.30
2041.77    0.268   257.83
2041.87    0.267   257.36
2041.97    0.266   256.88
2042.07    0.265   256.40
2042.17    0.264   255.92
2042.27    0.263   255.43
2042.37    0.262   254.94
2042.47    0.261   254.45
2042.57    0.260   253.95
2042.67    0.258   253.45
2042.77    0.257   252.94
2042.87    0.256   252.42
2042.97    0.255   251.91
2043.07    0.254   251.39
2043.17    0.252   250.86
2043.27    0.251   250.33
2043.37    0.250   249.79
2043.47    0.249   249.25
2043.57    0.248   248.70
2043.67    0.246   248.14
2043.77    0.245   247.58
2043.87    0.244   247.02
2043.97    0.242   246.45
2044.07    0.241   245.87
2044.17    0.240   245.28
2044.27    0.238   244.69
2044.37    0.237   244.10
2044.47    0.236   243.49
2044.57    0.234   242.88
2044.67    0.233   242.26
2044.77    0.231   241.63
2044.87    0.230   241.00
2044.97    0.228   240.35
2045.07    0.227   239.70
2045.17    0.225   239.04
2045.27    0.224   238.37
2045.37    0.222   237.69
2045.47    0.221   237.00
2045.57    0.219   236.31
2045.67    0.218   235.60
2045.77    0.216   234.88
2045.87    0.214   234.15
2045.97    0.213   233.41
2046.07    0.211   232.66
2046.17    0.209   231.89
2046.27    0.208   231.12
2046.37    0.206   230.33
2046.47    0.204   229.53
2046.57    0.203   228.71
2046.67    0.201   227.88
2046.77    0.199   227.04
2046.87    0.197   226.18
2046.97    0.195   225.30
2047.07    0.194   224.41
2047.17    0.192   223.50
2047.27    0.190   222.58
2047.37    0.188   221.63
2047.47    0.186   220.67
2047.57    0.184   219.69
2047.67    0.183   218.68
2047.77    0.181   217.66
2047.87    0.179   216.62
2047.97    0.177   215.55
2048.07    0.175   214.46
2048.17    0.173   213.34
2048.27    0.171   212.20
2048.37    0.169   211.03
2048.47    0.167   209.84
2048.57    0.165   208.61
2048.67    0.163   207.36
2048.77    0.161   206.08
2048.87    0.159   204.76
2048.97    0.157   203.42
2049.07    0.155   202.04
2049.17    0.153   200.62
2049.27    0.152   199.17
2049.37    0.150   197.68
2049.47    0.148   196.15
2049.57    0.146   194.59
2049.67    0.144   192.98
2049.77    0.142   191.33
2049.87    0.140   189.64
2049.97    0.139   187.90
2050.07    0.137   186.12
2050.17    0.135   184.29
2050.27    0.133   182.42
2050.37    0.132   180.50
2050.47    0.130   178.53
2050.57    0.129   176.52
2050.67    0.127   174.46
2050.77    0.126   172.36
2050.87    0.125   170.21
2050.97    0.123   168.01
2051.07    0.122   165.78
2051.17    0.121   163.50
2051.27    0.120   161.19
2051.37    0.119   158.83
2051.47    0.119   156.45
2051.57    0.118   154.04
2051.67    0.117   151.60
2051.77    0.117   149.13
2051.87    0.117   146.66
2051.97    0.116   144.16
2052.07    0.116   141.66
2052.17    0.116   139.16






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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 15:08:12



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