Double Star Calculator - Orbit

Orbital Elements for A1585
WDS: A1585 WDS ID/Discoverer
P: 35.613 Orbital period (years)
a: 0.18194 Semi-major axis (arcseconds)
i: 109.41 Inclination (degrees)
Ω: 105.641 Longitude of ascending node (degrees)
T: 1996.879 Epoch of periastron passage (year)
e: 0.5584 Eccentricity
ω: 355.63 Longitude of periastron (degrees)
Start-Year: 2007.1937333043502 Year
End-Year: 2042.8062666956498 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A1585
Position: 090337.56+470924.0 Epoch-2000 right ascension and declination
WDS-ID: 09036+4709 WDS designation
Discoverer Code: A1585 Discover designation and components
ADS number: 7158 Aitken Double Star catalog
HD number: 77327 HD catalog number
Hipparcos number: 44471 Hipparcos catalog number
V1: 4.16 Magnitude of the primary
V2: 4.54 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 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: Mut2010b Reference

Double Star Orbit for A1585



WDS 6th Orbit including measures of A1585

-- 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 A1585
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.130   264.30
--------------------------
2007.19    0.211   297.73
2007.29    0.213   297.53
2007.39    0.215   297.32
2007.49    0.217   297.13
2007.59    0.219   296.93
2007.69    0.220   296.74
2007.79    0.222   296.55
2007.89    0.224   296.37
2007.99    0.225   296.18
2008.09    0.227   296.00
2008.19    0.228   295.82
2008.29    0.230   295.65
2008.39    0.232   295.47
2008.49    0.233   295.30
2008.59    0.235   295.13
2008.69    0.236   294.97
2008.79    0.237   294.80
2008.89    0.239   294.64
2008.99    0.240   294.48
2009.09    0.242   294.32
2009.19    0.243   294.16
2009.29    0.244   294.01
2009.39    0.246   293.86
2009.49    0.247   293.70
2009.59    0.248   293.55
2009.69    0.249   293.40
2009.79    0.251   293.26
2009.89    0.252   293.11
2009.99    0.253   292.97
2010.09    0.254   292.82
2010.19    0.255   292.68
2010.29    0.256   292.54
2010.39    0.257   292.40
2010.49    0.259   292.26
2010.59    0.260   292.12
2010.69    0.261   291.99
2010.79    0.262   291.85
2010.89    0.263   291.72
2010.99    0.263   291.58
2011.09    0.264   291.45
2011.19    0.265   291.32
2011.29    0.266   291.19
2011.39    0.267   291.06
2011.49    0.268   290.93
2011.59    0.269   290.80
2011.69    0.269   290.67
2011.79    0.270   290.55
2011.89    0.271   290.42
2011.99    0.272   290.30
2012.09    0.272   290.17
2012.19    0.273   290.05
2012.29    0.274   289.92
2012.39    0.274   289.80
2012.49    0.275   289.68
2012.59    0.276   289.56
2012.69    0.276   289.44
2012.79    0.277   289.32
2012.89    0.277   289.19
2012.99    0.278   289.08
2013.09    0.278   288.96
2013.19    0.279   288.84
2013.29    0.279   288.72
2013.39    0.279   288.60
2013.49    0.280   288.48
2013.59    0.280   288.36
2013.69    0.281   288.25
2013.79    0.281   288.13
2013.89    0.281   288.01
2013.99    0.281   287.90
2014.09    0.282   287.78
2014.19    0.282   287.66
2014.29    0.282   287.55
2014.39    0.282   287.43
2014.49    0.283   287.32
2014.59    0.283   287.20
2014.69    0.283   287.09
2014.79    0.283   286.97
2014.89    0.283   286.86
2014.99    0.283   286.74
2015.09    0.283   286.62
2015.19    0.283   286.51
2015.29    0.283   286.39
2015.39    0.283   286.28
2015.49    0.283   286.16
2015.59    0.283   286.05
2015.69    0.283   285.93
2015.79    0.283   285.82
2015.89    0.283   285.70
2015.99    0.282   285.59
2016.09    0.282   285.47
2016.19    0.282   285.36
2016.29    0.282   285.24
2016.39    0.282   285.12
2016.49    0.281   285.01
2016.59    0.281   284.89
2016.69    0.281   284.77
2016.79    0.280   284.66
2016.89    0.280   284.54
2016.99    0.280   284.42
2017.09    0.279   284.30
2017.19    0.279   284.18
2017.29    0.278   284.06
2017.39    0.278   283.95
2017.49    0.277   283.83
2017.59    0.277   283.71
2017.69    0.276   283.58
2017.79    0.276   283.46
2017.89    0.275   283.34
2017.99    0.274   283.22
2018.09    0.274   283.10
2018.19    0.273   282.97
2018.29    0.272   282.85
2018.39    0.272   282.72
2018.49    0.271   282.60
2018.59    0.270   282.47
2018.69    0.269   282.35
2018.79    0.269   282.22
2018.89    0.268   282.09
2018.99    0.267   281.96
2019.09    0.266   281.83
2019.19    0.265   281.70
2019.29    0.264   281.57
2019.39    0.263   281.44
2019.49    0.262   281.30
2019.59    0.261   281.17
2019.69    0.260   281.03
2019.79    0.259   280.90
2019.89    0.258   280.76
2019.99    0.257   280.62
2020.09    0.256   280.48
2020.19    0.255   280.34
2020.29    0.254   280.20
2020.39    0.253   280.05
2020.49    0.251   279.91
2020.59    0.250   279.76
2020.69    0.249   279.61
2020.79    0.248   279.46
2020.89    0.246   279.31
2020.99    0.245   279.16
2021.09    0.244   279.00
2021.19    0.242   278.85
2021.29    0.241   278.69
2021.39    0.239   278.53
2021.49    0.238   278.37
2021.59    0.236   278.20
2021.69    0.235   278.04
2021.79    0.233   277.87
2021.89    0.232   277.70
2021.99    0.230   277.52
2022.09    0.228   277.35
2022.19    0.227   277.17
2022.29    0.225   276.99
2022.39    0.223   276.81
2022.49    0.222   276.62
2022.59    0.220   276.43
2022.69    0.218   276.24
2022.79    0.216   276.04
2022.89    0.215   275.84
2022.99    0.213   275.64
2023.09    0.211   275.44
2023.19    0.209   275.23
2023.29    0.207   275.01
2023.39    0.205   274.79
2023.49    0.203   274.57
2023.59    0.201   274.35
2023.69    0.199   274.12
2023.79    0.197   273.88
2023.89    0.195   273.64
2023.99    0.193   273.39
2024.09    0.190   273.14
2024.19    0.188   272.88
2024.29    0.186   272.62
2024.39    0.184   272.35
2024.49    0.181   272.07
2024.59    0.179   271.79
2024.69    0.177   271.50
2024.79    0.174   271.20
2024.89    0.172   270.89
2024.99    0.170   270.58
2025.09    0.167   270.25
2025.19    0.165   269.91
2025.29    0.162   269.57
2025.39    0.160   269.21
2025.49    0.157   268.85
2025.59    0.154   268.46
2025.69    0.152   268.07
2025.79    0.149   267.66
2025.89    0.147   267.24
2025.99    0.144   266.80
2026.09    0.141   266.35
2026.19    0.138   265.88
2026.29    0.136   265.38
2026.39    0.133   264.87
2026.49    0.130   264.34
2026.59    0.127   263.78
2026.69    0.124   263.19
2026.79    0.121   262.58
2026.89    0.118   261.93
2026.99    0.115   261.26
2027.09    0.112   260.54
2027.19    0.109   259.79
2027.29    0.106   259.00
2027.39    0.103   258.16
2027.49    0.100   257.27
2027.59    0.097   256.32
2027.69    0.094   255.31
2027.79    0.091   254.23
2027.89    0.088   253.07
2027.99    0.085   251.83
2028.09    0.082   250.50
2028.19    0.079   249.06
2028.29    0.075   247.50
2028.39    0.072   245.82
2028.49    0.069   243.98
2028.59    0.066   241.98
2028.69    0.063   239.79
2028.79    0.061   237.39
2028.89    0.058   234.75
2028.99    0.055   231.85
2029.09    0.052   228.66
2029.19    0.050   225.15
2029.29    0.048   221.29
2029.39    0.046   217.06
2029.49    0.044   212.45
2029.59    0.042   207.46
2029.69    0.041   202.12
2029.79    0.040   196.49
2029.89    0.039   190.63
2029.99    0.039   184.66
2030.09    0.039   178.68
2030.19    0.040   172.81
2030.29    0.041   167.15
2030.39    0.042   161.77
2030.49    0.044   156.73
2030.59    0.045   152.06
2030.69    0.047   147.75
2030.79    0.049   143.80
2030.89    0.052   140.18
2030.99    0.054   136.86
2031.09    0.056   133.82
2031.19    0.059   131.03
2031.29    0.061   128.46
2031.39    0.063   126.08
2031.49    0.066   123.87
2031.59    0.068   121.80
2031.69    0.070   119.85
2031.79    0.072   118.02
2031.89    0.074   116.28
2031.99    0.075   114.62
2032.09    0.077   113.02
2032.19    0.078   111.47
2032.29    0.079   109.97
2032.39    0.080   108.50
2032.49    0.080   107.06
2032.59    0.080   105.63
2032.69    0.080   104.20
2032.79    0.080   102.78
2032.89    0.080   101.34
2032.99    0.079    99.88
2033.09    0.078    98.39
2033.19    0.077    96.87
2033.29    0.076    95.30
2033.39    0.075    93.68
2033.49    0.073    91.98
2033.59    0.071    90.21
2033.69    0.069    88.35
2033.79    0.068    86.39
2033.89    0.066    84.31
2033.99    0.064    82.09
2034.09    0.061    79.73
2034.19    0.059    77.20
2034.29    0.057    74.48
2034.39    0.055    71.56
2034.49    0.053    68.42
2034.59    0.051    65.04
2034.69    0.050    61.41
2034.79    0.048    57.52
2034.89    0.046    53.37
2034.99    0.045    48.97
2035.09    0.044    44.33
2035.19    0.043    39.50
2035.29    0.043    34.53
2035.39    0.043    29.46
2035.49    0.043    24.37
2035.59    0.043    19.34
2035.69    0.044    14.42
2035.79    0.045     9.67
2035.89    0.046     5.14
2035.99    0.047     0.86
2036.09    0.049   356.85
2036.19    0.051   353.11
2036.29    0.053   349.64
2036.39    0.055   346.44
2036.49    0.057   343.48
2036.59    0.059   340.75
2036.69    0.062   338.23
2036.79    0.064   335.91
2036.89    0.067   333.77
2036.99    0.070   331.79
2037.09    0.072   329.95
2037.19    0.075   328.25
2037.29    0.078   326.67
2037.39    0.081   325.19
2037.49    0.083   323.82
2037.59    0.086   322.53
2037.69    0.089   321.33
2037.79    0.092   320.20
2037.89    0.095   319.14
2037.99    0.097   318.14
2038.09    0.100   317.19
2038.19    0.103   316.30
2038.29    0.106   315.46
2038.39    0.109   314.65
2038.49    0.111   313.89
2038.59    0.114   313.17
2038.69    0.117   312.48
2038.79    0.120   311.82
2038.89    0.122   311.19
2038.99    0.125   310.58
2039.09    0.128   310.01
2039.19    0.130   309.45
2039.29    0.133   308.92
2039.39    0.136   308.41
2039.49    0.138   307.92
2039.59    0.141   307.45
2039.69    0.143   306.99
2039.79    0.146   306.55
2039.89    0.149   306.13
2039.99    0.151   305.71
2040.09    0.153   305.32
2040.19    0.156   304.93
2040.29    0.158   304.56
2040.39    0.161   304.19
2040.49    0.163   303.84
2040.59    0.165   303.50
2040.69    0.168   303.17
2040.79    0.170   302.85
2040.89    0.172   302.53
2040.99    0.175   302.23
2041.09    0.177   301.93
2041.19    0.179   301.64
2041.29    0.181   301.35
2041.39    0.183   301.07
2041.49    0.186   300.80
2041.59    0.188   300.54
2041.69    0.190   300.28
2041.79    0.192   300.03
2041.89    0.194   299.78
2041.99    0.196   299.54
2042.09    0.198   299.30
2042.19    0.200   299.07
2042.29    0.202   298.84
2042.39    0.204   298.61
2042.49    0.206   298.39
2042.59    0.208   298.18
2042.69    0.209   297.96
2042.79    0.211   297.76






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 16:13:50



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