Double Star Calculator - Orbit

Orbital Elements for DAW85
WDS: DAW85 WDS ID/Discoverer
P: 65.720 Orbital period (years)
a: 0.308 Semi-major axis (arcseconds)
i: 147.9 Inclination (degrees)
Ω: 111.7 Longitude of ascending node (degrees)
T: 2065.650 Epoch of periastron passage (year)
e: 0.75 Eccentricity
ω: 12.0 Longitude of periastron (degrees)
Start-Year: 1992.14 Year
End-Year: 2057.86 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for DAW85
Position: 053259.81-241518.5 Epoch-2000 right ascension and declination
WDS-ID: 05330-2415 WDS designation
Discoverer Code: DAW85 Discover designation and components
ADS number: 4153 Aitken Double Star catalog
HD number: 36745 HD catalog number
Hipparcos number: 36745 Hipparcos catalog number
V1: 9.66 Magnitude of the primary
V2: 10.64 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2020 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: Doc2022d Reference

Double Star Orbit for DAW85



WDS 6th Orbit including measures of DAW85

-- 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 DAW85
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.525   287.95
--------------------------
1992.14    0.260   239.73
1992.24    0.258   239.30
1992.34    0.255   238.86
1992.44    0.253   238.40
1992.54    0.250   237.94
1992.64    0.248   237.47
1992.74    0.245   237.00
1992.84    0.243   236.51
1992.94    0.240   236.01
1993.04    0.238   235.50
1993.14    0.235   234.98
1993.24    0.233   234.45
1993.34    0.230   233.90
1993.44    0.228   233.35
1993.54    0.225   232.78
1993.64    0.222   232.20
1993.74    0.220   231.60
1993.84    0.217   230.99
1993.94    0.215   230.37
1994.04    0.212   229.73
1994.14    0.209   229.07
1994.24    0.207   228.40
1994.34    0.204   227.70
1994.44    0.201   226.99
1994.54    0.198   226.27
1994.64    0.196   225.52
1994.74    0.193   224.75
1994.84    0.190   223.95
1994.94    0.188   223.14
1995.04    0.185   222.30
1995.14    0.182   221.43
1995.24    0.179   220.54
1995.34    0.176   219.62
1995.44    0.174   218.67
1995.54    0.171   217.69
1995.64    0.168   216.67
1995.74    0.165   215.62
1995.84    0.162   214.54
1995.94    0.160   213.41
1996.04    0.157   212.25
1996.14    0.154   211.04
1996.24    0.151   209.79
1996.34    0.148   208.49
1996.44    0.145   207.14
1996.54    0.143   205.74
1996.64    0.140   204.28
1996.74    0.137   202.76
1996.84    0.134   201.18
1996.94    0.132   199.54
1997.04    0.129   197.82
1997.14    0.126   196.03
1997.24    0.123   194.16
1997.34    0.121   192.21
1997.44    0.118   190.17
1997.54    0.116   188.04
1997.64    0.113   185.81
1997.74    0.111   183.48
1997.84    0.108   181.04
1997.94    0.106   178.50
1998.04    0.103   175.84
1998.14    0.101   173.05
1998.24    0.099   170.15
1998.34    0.097   167.11
1998.44    0.095   163.95
1998.54    0.093   160.65
1998.64    0.091   157.21
1998.74    0.089   153.64
1998.84    0.088   149.93
1998.94    0.086   146.08
1999.04    0.085   142.10
1999.14    0.083   137.99
1999.24    0.082   133.74
1999.34    0.081   129.38
1999.44    0.080   124.90
1999.54    0.079   120.30
1999.64    0.078   115.61
1999.74    0.078   110.82
1999.84    0.077   105.94
1999.94    0.076   101.00
2000.04    0.076    95.99
2000.14    0.076    90.95
2000.24    0.076    85.89
2000.34    0.076    80.83
2000.44    0.076    75.80
2000.54    0.077    70.82
2000.64    0.077    65.91
2000.74    0.078    61.11
2000.84    0.080    56.44
2000.94    0.081    51.91
2001.04    0.082    47.55
2001.14    0.084    43.36
2001.24    0.086    39.35
2001.34    0.088    35.52
2001.44    0.091    31.89
2001.54    0.093    28.44
2001.64    0.096    25.17
2001.74    0.098    22.08
2001.84    0.101    19.15
2001.94    0.104    16.39
2002.04    0.107    13.78
2002.14    0.110    11.31
2002.24    0.113     8.97
2002.34    0.116     6.76
2002.44    0.120     4.67
2002.54    0.123     2.68
2002.64    0.126     0.80
2002.74    0.129   359.01
2002.84    0.133   357.32
2002.94    0.136   355.70
2003.04    0.139   354.16
2003.14    0.142   352.69
2003.24    0.146   351.29
2003.34    0.149   349.95
2003.44    0.152   348.67
2003.54    0.156   347.44
2003.64    0.159   346.26
2003.74    0.162   345.13
2003.84    0.166   344.05
2003.94    0.169   343.01
2004.04    0.172   342.00
2004.14    0.175   341.04
2004.24    0.178   340.11
2004.34    0.182   339.21
2004.44    0.185   338.34
2004.54    0.188   337.50
2004.64    0.191   336.69
2004.74    0.194   335.91
2004.84    0.197   335.15
2004.94    0.200   334.41
2005.04    0.203   333.70
2005.14    0.206   333.00
2005.24    0.209   332.33
2005.34    0.212   331.67
2005.44    0.215   331.04
2005.54    0.218   330.42
2005.64    0.221   329.82
2005.74    0.224   329.23
2005.84    0.227   328.66
2005.94    0.230   328.10
2006.04    0.233   327.56
2006.14    0.236   327.03
2006.24    0.239   326.51
2006.34    0.241   326.00
2006.44    0.244   325.51
2006.54    0.247   325.03
2006.64    0.250   324.55
2006.74    0.252   324.09
2006.84    0.255   323.64
2006.94    0.258   323.20
2007.04    0.260   322.76
2007.14    0.263   322.34
2007.24    0.266   321.92
2007.34    0.268   321.51
2007.44    0.271   321.11
2007.54    0.273   320.72
2007.64    0.276   320.33
2007.74    0.278   319.95
2007.84    0.281   319.58
2007.94    0.283   319.21
2008.04    0.286   318.85
2008.14    0.288   318.50
2008.24    0.291   318.15
2008.34    0.293   317.81
2008.44    0.296   317.47
2008.54    0.298   317.14
2008.64    0.300   316.82
2008.74    0.303   316.50
2008.84    0.305   316.18
2008.94    0.307   315.87
2009.04    0.310   315.57
2009.14    0.312   315.26
2009.24    0.314   314.97
2009.34    0.316   314.67
2009.44    0.319   314.38
2009.54    0.321   314.10
2009.64    0.323   313.82
2009.74    0.325   313.54
2009.84    0.327   313.27
2009.94    0.329   313.00
2010.04    0.332   312.73
2010.14    0.334   312.47
2010.24    0.336   312.21
2010.34    0.338   311.95
2010.44    0.340   311.70
2010.54    0.342   311.45
2010.64    0.344   311.20
2010.74    0.346   310.96
2010.84    0.348   310.71
2010.94    0.350   310.48
2011.04    0.352   310.24
2011.14    0.354   310.01
2011.24    0.356   309.78
2011.34    0.358   309.55
2011.44    0.360   309.32
2011.54    0.362   309.10
2011.64    0.364   308.88
2011.74    0.366   308.66
2011.84    0.367   308.44
2011.94    0.369   308.23
2012.04    0.371   308.01
2012.14    0.373   307.80
2012.24    0.375   307.59
2012.34    0.377   307.39
2012.44    0.378   307.18
2012.54    0.380   306.98
2012.64    0.382   306.78
2012.74    0.384   306.58
2012.84    0.385   306.39
2012.94    0.387   306.19
2013.04    0.389   306.00
2013.14    0.391   305.81
2013.24    0.392   305.62
2013.34    0.394   305.43
2013.44    0.396   305.24
2013.54    0.397   305.06
2013.64    0.399   304.87
2013.74    0.401   304.69
2013.84    0.402   304.51
2013.94    0.404   304.33
2014.04    0.405   304.15
2014.14    0.407   303.97
2014.24    0.408   303.80
2014.34    0.410   303.63
2014.44    0.412   303.45
2014.54    0.413   303.28
2014.64    0.415   303.11
2014.74    0.416   302.94
2014.84    0.418   302.78
2014.94    0.419   302.61
2015.04    0.421   302.44
2015.14    0.422   302.28
2015.24    0.424   302.12
2015.34    0.425   301.96
2015.44    0.426   301.79
2015.54    0.428   301.64
2015.64    0.429   301.48
2015.74    0.431   301.32
2015.84    0.432   301.16
2015.94    0.433   301.01
2016.04    0.435   300.85
2016.14    0.436   300.70
2016.24    0.437   300.55
2016.34    0.439   300.39
2016.44    0.440   300.24
2016.54    0.441   300.09
2016.64    0.443   299.94
2016.74    0.444   299.80
2016.84    0.445   299.65
2016.94    0.446   299.50
2017.04    0.448   299.36
2017.14    0.449   299.21
2017.24    0.450   299.07
2017.34    0.451   298.93
2017.44    0.453   298.78
2017.54    0.454   298.64
2017.64    0.455   298.50
2017.74    0.456   298.36
2017.84    0.457   298.22
2017.94    0.459   298.08
2018.04    0.460   297.94
2018.14    0.461   297.81
2018.24    0.462   297.67
2018.34    0.463   297.53
2018.44    0.464   297.40
2018.54    0.465   297.26
2018.64    0.466   297.13
2018.74    0.468   297.00
2018.84    0.469   296.86
2018.94    0.470   296.73
2019.04    0.471   296.60
2019.14    0.472   296.47
2019.24    0.473   296.34
2019.34    0.474   296.21
2019.44    0.475   296.08
2019.54    0.476   295.95
2019.64    0.477   295.82
2019.74    0.478   295.69
2019.84    0.479   295.57
2019.94    0.480   295.44
2020.04    0.481   295.31
2020.14    0.482   295.19
2020.24    0.483   295.06
2020.34    0.484   294.94
2020.44    0.485   294.81
2020.54    0.486   294.69
2020.64    0.486   294.57
2020.74    0.487   294.44
2020.84    0.488   294.32
2020.94    0.489   294.20
2021.04    0.490   294.08
2021.14    0.491   293.96
2021.24    0.492   293.84
2021.34    0.493   293.72
2021.44    0.493   293.60
2021.54    0.494   293.48
2021.64    0.495   293.36
2021.74    0.496   293.24
2021.84    0.497   293.12
2021.94    0.497   293.00
2022.04    0.498   292.89
2022.14    0.499   292.77
2022.24    0.500   292.65
2022.34    0.501   292.54
2022.44    0.501   292.42
2022.54    0.502   292.30
2022.64    0.503   292.19
2022.74    0.504   292.07
2022.84    0.504   291.96
2022.94    0.505   291.84
2023.04    0.506   291.73
2023.14    0.506   291.62
2023.24    0.507   291.50
2023.34    0.508   291.39
2023.44    0.508   291.28
2023.54    0.509   291.16
2023.64    0.510   291.05
2023.74    0.510   290.94
2023.84    0.511   290.83
2023.94    0.512   290.72
2024.04    0.512   290.61
2024.14    0.513   290.50
2024.24    0.513   290.38
2024.34    0.514   290.27
2024.44    0.515   290.16
2024.54    0.515   290.05
2024.64    0.516   289.94
2024.74    0.516   289.84
2024.84    0.517   289.73
2024.94    0.517   289.62
2025.04    0.518   289.51
2025.14    0.518   289.40
2025.24    0.519   289.29
2025.34    0.519   289.18
2025.44    0.520   289.08
2025.54    0.520   288.97
2025.64    0.521   288.86
2025.74    0.521   288.75
2025.84    0.522   288.65
2025.94    0.522   288.54
2026.04    0.523   288.43
2026.14    0.523   288.33
2026.24    0.524   288.22
2026.34    0.524   288.12
2026.44    0.525   288.01
2026.54    0.525   287.90
2026.64    0.525   287.80
2026.74    0.526   287.69
2026.84    0.526   287.59
2026.94    0.527   287.48
2027.04    0.527   287.38
2027.14    0.527   287.27
2027.24    0.528   287.17
2027.34    0.528   287.06
2027.44    0.528   286.96
2027.54    0.529   286.85
2027.64    0.529   286.75
2027.74    0.529   286.65
2027.84    0.530   286.54
2027.94    0.530   286.44
2028.04    0.530   286.34
2028.14    0.531   286.23
2028.24    0.531   286.13
2028.34    0.531   286.03
2028.44    0.531   285.92
2028.54    0.532   285.82
2028.64    0.532   285.72
2028.74    0.532   285.61
2028.84    0.532   285.51
2028.94    0.533   285.41
2029.04    0.533   285.31
2029.14    0.533   285.20
2029.24    0.533   285.10
2029.34    0.533   285.00
2029.44    0.534   284.90
2029.54    0.534   284.79
2029.64    0.534   284.69
2029.74    0.534   284.59
2029.84    0.534   284.49
2029.94    0.534   284.39
2030.04    0.535   284.28
2030.14    0.535   284.18
2030.24    0.535   284.08
2030.34    0.535   283.98
2030.44    0.535   283.88
2030.54    0.535   283.77
2030.64    0.535   283.67
2030.74    0.535   283.57
2030.84    0.536   283.47
2030.94    0.536   283.37
2031.04    0.536   283.27
2031.14    0.536   283.17
2031.24    0.536   283.06
2031.34    0.536   282.96
2031.44    0.536   282.86
2031.54    0.536   282.76
2031.64    0.536   282.66
2031.74    0.536   282.56
2031.84    0.536   282.46
2031.94    0.536   282.35
2032.04    0.536   282.25
2032.14    0.536   282.15
2032.24    0.536   282.05
2032.34    0.536   281.95
2032.44    0.536   281.85
2032.54    0.536   281.75
2032.64    0.536   281.64
2032.74    0.536   281.54
2032.84    0.536   281.44
2032.94    0.536   281.34
2033.04    0.536   281.24
2033.14    0.535   281.14
2033.24    0.535   281.04
2033.34    0.535   280.93
2033.44    0.535   280.83
2033.54    0.535   280.73
2033.64    0.535   280.63
2033.74    0.535   280.53
2033.84    0.535   280.43
2033.94    0.534   280.32
2034.04    0.534   280.22
2034.14    0.534   280.12
2034.24    0.534   280.02
2034.34    0.534   279.92
2034.44    0.534   279.81
2034.54    0.533   279.71
2034.64    0.533   279.61
2034.74    0.533   279.51
2034.84    0.533   279.40
2034.94    0.533   279.30
2035.04    0.532   279.20
2035.14    0.532   279.10
2035.24    0.532   278.99
2035.34    0.532   278.89
2035.44    0.531   278.79
2035.54    0.531   278.68
2035.64    0.531   278.58
2035.74    0.531   278.48
2035.84    0.530   278.37
2035.94    0.530   278.27
2036.04    0.530   278.17
2036.14    0.529   278.06
2036.24    0.529   277.96
2036.34    0.529   277.85
2036.44    0.528   277.75
2036.54    0.528   277.65
2036.64    0.528   277.54
2036.74    0.527   277.44
2036.84    0.527   277.33
2036.94    0.527   277.23
2037.04    0.526   277.12
2037.14    0.526   277.02
2037.24    0.525   276.91
2037.34    0.525   276.81
2037.44    0.525   276.70
2037.54    0.524   276.59
2037.64    0.524   276.49
2037.74    0.523   276.38
2037.84    0.523   276.28
2037.94    0.522   276.17
2038.04    0.522   276.06
2038.14    0.522   275.95
2038.24    0.521   275.85
2038.34    0.521   275.74
2038.44    0.520   275.63
2038.54    0.520   275.53
2038.64    0.519   275.42
2038.74    0.519   275.31
2038.84    0.518   275.20
2038.94    0.518   275.09
2039.04    0.517   274.98
2039.14    0.517   274.87
2039.24    0.516   274.77
2039.34    0.515   274.66
2039.44    0.515   274.55
2039.54    0.514   274.44
2039.64    0.514   274.33
2039.74    0.513   274.22
2039.84    0.513   274.10
2039.94    0.512   273.99
2040.04    0.511   273.88
2040.14    0.511   273.77
2040.24    0.510   273.66
2040.34    0.510   273.55
2040.44    0.509   273.44
2040.54    0.508   273.32
2040.64    0.508   273.21
2040.74    0.507   273.10
2040.84    0.506   272.98
2040.94    0.506   272.87
2041.04    0.505   272.76
2041.14    0.504   272.64
2041.24    0.503   272.53
2041.34    0.503   272.41
2041.44    0.502   272.30
2041.54    0.501   272.18
2041.64    0.501   272.06
2041.74    0.500   271.95
2041.84    0.499   271.83
2041.94    0.498   271.71
2042.04    0.498   271.60
2042.14    0.497   271.48
2042.24    0.496   271.36
2042.34    0.495   271.24
2042.44    0.494   271.12
2042.54    0.494   271.00
2042.64    0.493   270.88
2042.74    0.492   270.76
2042.84    0.491   270.64
2042.94    0.490   270.52
2043.04    0.490   270.40
2043.14    0.489   270.28
2043.24    0.488   270.16
2043.34    0.487   270.04
2043.44    0.486   269.91
2043.54    0.485   269.79
2043.64    0.484   269.66
2043.74    0.483   269.54
2043.84    0.482   269.42
2043.94    0.482   269.29
2044.04    0.481   269.16
2044.14    0.480   269.04
2044.24    0.479   268.91
2044.34    0.478   268.78
2044.44    0.477   268.66
2044.54    0.476   268.53
2044.64    0.475   268.40
2044.74    0.474   268.27
2044.84    0.473   268.14
2044.94    0.472   268.01
2045.04    0.471   267.88
2045.14    0.470   267.75
2045.24    0.469   267.61
2045.34    0.468   267.48
2045.44    0.467   267.35
2045.54    0.466   267.21
2045.64    0.465   267.08
2045.74    0.464   266.95
2045.84    0.463   266.81
2045.94    0.461   266.67
2046.04    0.460   266.54
2046.14    0.459   266.40
2046.24    0.458   266.26
2046.34    0.457   266.12
2046.44    0.456   265.98
2046.54    0.455   265.84
2046.64    0.454   265.70
2046.74    0.452   265.56
2046.84    0.451   265.41
2046.94    0.450   265.27
2047.04    0.449   265.13
2047.14    0.448   264.98
2047.24    0.447   264.84
2047.34    0.445   264.69
2047.44    0.444   264.54
2047.54    0.443   264.40
2047.64    0.442   264.25
2047.74    0.440   264.10
2047.84    0.439   263.95
2047.94    0.438   263.79
2048.04    0.437   263.64
2048.14    0.435   263.49
2048.24    0.434   263.33
2048.34    0.433   263.18
2048.44    0.431   263.02
2048.54    0.430   262.87
2048.64    0.429   262.71
2048.74    0.427   262.55
2048.84    0.426   262.39
2048.94    0.425   262.23
2049.04    0.423   262.07
2049.14    0.422   261.90
2049.24    0.421   261.74
2049.34    0.419   261.58
2049.44    0.418   261.41
2049.54    0.416   261.24
2049.64    0.415   261.07
2049.74    0.413   260.90
2049.84    0.412   260.73
2049.94    0.411   260.56
2050.04    0.409   260.39
2050.14    0.408   260.21
2050.24    0.406   260.04
2050.34    0.405   259.86
2050.44    0.403   259.68
2050.54    0.402   259.50
2050.64    0.400   259.32
2050.74    0.399   259.14
2050.84    0.397   258.95
2050.94    0.395   258.77
2051.04    0.394   258.58
2051.14    0.392   258.39
2051.24    0.391   258.20
2051.34    0.389   258.01
2051.44    0.388   257.82
2051.54    0.386   257.62
2051.64    0.384   257.43
2051.74    0.383   257.23
2051.84    0.381   257.03
2051.94    0.379   256.83
2052.04    0.378   256.62
2052.14    0.376   256.42
2052.24    0.374   256.21
2052.34    0.373   256.00
2052.44    0.371   255.79
2052.54    0.369   255.58
2052.64    0.367   255.36
2052.74    0.366   255.15
2052.84    0.364   254.93
2052.94    0.362   254.71
2053.04    0.360   254.48
2053.14    0.359   254.26
2053.24    0.357   254.03
2053.34    0.355   253.80
2053.44    0.353   253.57
2053.54    0.351   253.33
2053.64    0.349   253.10
2053.74    0.347   252.86
2053.84    0.346   252.62
2053.94    0.344   252.37
2054.04    0.342   252.12
2054.14    0.340   251.87
2054.24    0.338   251.62
2054.34    0.336   251.36
2054.44    0.334   251.10
2054.54    0.332   250.84
2054.64    0.330   250.57
2054.74    0.328   250.31
2054.84    0.326   250.03
2054.94    0.324   249.76
2055.04    0.322   249.48
2055.14    0.320   249.20
2055.24    0.318   248.91
2055.34    0.316   248.62
2055.44    0.314   248.33
2055.54    0.312   248.03
2055.64    0.310   247.73
2055.74    0.308   247.43
2055.84    0.306   247.12
2055.94    0.303   246.80
2056.04    0.301   246.48
2056.14    0.299   246.16
2056.24    0.297   245.83
2056.34    0.295   245.50
2056.44    0.293   245.16
2056.54    0.290   244.82
2056.64    0.288   244.47
2056.74    0.286   244.12
2056.84    0.284   243.76
2056.94    0.281   243.39
2057.04    0.279   243.02
2057.14    0.277   242.65
2057.24    0.275   242.26
2057.34    0.272   241.87
2057.44    0.270   241.48
2057.54    0.268   241.07
2057.64    0.265   240.66
2057.74    0.263   240.25
2057.84    0.260   239.82






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 15:38:31



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