| WDS: | DON91AB | WDS ID/Discoverer |
| P: | 43.540 | Orbital period (years) |
| a: | 1.413 | Semi-major axis (arcseconds) |
| i: | 70.2 | Inclination (degrees) |
| Ω: | 240.9 | Longitude of ascending node (degrees) |
| T: | 1996.040 | Epoch of periastron passage (year) |
| e: | 0.811 | Eccentricity |
| ω: | 277.7 | Longitude of periastron (degrees) |
| Start-Year: | 2003.23 | Year |
| End-Year: | 2046.77 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for DON91AB |
||
| Position: | 050228.41-211524.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 05025-2115 | WDS designation |
| Discoverer Code: | DON91AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 32450 | HD catalog number |
| Hipparcos number: | 23452 | Hipparcos catalog number |
| V1: | 8.66 | Magnitude of the primary |
| V2: | 10.60 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2024 | 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: | Tok2024b | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 1.101 20.29 -------------------------- 2003.23 0.801 283.21 2003.33 0.801 283.72 2003.43 0.802 284.23 2003.53 0.802 284.74 2003.63 0.802 285.25 2003.73 0.802 285.75 2003.83 0.802 286.26 2003.93 0.802 286.77 2004.03 0.802 287.28 2004.13 0.802 287.79 2004.23 0.802 288.30 2004.33 0.802 288.81 2004.43 0.802 289.32 2004.53 0.802 289.82 2004.63 0.802 290.33 2004.73 0.802 290.84 2004.83 0.801 291.35 2004.93 0.801 291.86 2005.03 0.801 292.37 2005.13 0.801 292.88 2005.23 0.801 293.39 2005.33 0.801 293.90 2005.43 0.801 294.41 2005.53 0.801 294.92 2005.63 0.801 295.43 2005.73 0.801 295.94 2005.83 0.800 296.45 2005.93 0.800 296.96 2006.03 0.800 297.47 2006.13 0.800 297.98 2006.23 0.800 298.50 2006.33 0.800 299.01 2006.43 0.800 299.52 2006.53 0.800 300.03 2006.63 0.800 300.54 2006.73 0.800 301.05 2006.83 0.800 301.56 2006.93 0.800 302.07 2007.03 0.800 302.59 2007.13 0.800 303.10 2007.23 0.800 303.61 2007.33 0.800 304.12 2007.43 0.800 304.63 2007.53 0.800 305.14 2007.63 0.800 305.65 2007.73 0.800 306.16 2007.83 0.800 306.67 2007.93 0.801 307.18 2008.03 0.801 307.70 2008.13 0.801 308.21 2008.23 0.801 308.71 2008.33 0.801 309.22 2008.43 0.802 309.73 2008.53 0.802 310.24 2008.63 0.802 310.75 2008.73 0.803 311.26 2008.83 0.803 311.77 2008.93 0.803 312.27 2009.03 0.804 312.78 2009.13 0.804 313.29 2009.23 0.805 313.79 2009.33 0.805 314.30 2009.43 0.805 314.80 2009.53 0.806 315.31 2009.63 0.806 315.81 2009.73 0.807 316.31 2009.83 0.808 316.81 2009.93 0.808 317.32 2010.03 0.809 317.82 2010.13 0.809 318.32 2010.23 0.810 318.81 2010.33 0.811 319.31 2010.43 0.811 319.81 2010.53 0.812 320.31 2010.63 0.813 320.80 2010.73 0.814 321.30 2010.83 0.815 321.79 2010.93 0.815 322.28 2011.03 0.816 322.77 2011.13 0.817 323.26 2011.23 0.818 323.75 2011.33 0.819 324.24 2011.43 0.820 324.73 2011.53 0.821 325.22 2011.63 0.822 325.70 2011.73 0.823 326.18 2011.83 0.824 326.67 2011.93 0.825 327.15 2012.03 0.826 327.63 2012.13 0.827 328.11 2012.23 0.829 328.58 2012.33 0.830 329.06 2012.43 0.831 329.53 2012.53 0.832 330.01 2012.63 0.833 330.48 2012.73 0.835 330.95 2012.83 0.836 331.42 2012.93 0.837 331.89 2013.03 0.839 332.35 2013.13 0.840 332.82 2013.23 0.841 333.28 2013.33 0.843 333.74 2013.43 0.844 334.20 2013.53 0.846 334.66 2013.63 0.847 335.11 2013.73 0.849 335.57 2013.83 0.850 336.02 2013.93 0.852 336.47 2014.03 0.853 336.93 2014.13 0.855 337.37 2014.23 0.856 337.82 2014.33 0.858 338.27 2014.43 0.860 338.71 2014.53 0.861 339.15 2014.63 0.863 339.59 2014.73 0.865 340.03 2014.83 0.866 340.47 2014.93 0.868 340.90 2015.03 0.870 341.33 2015.13 0.872 341.77 2015.23 0.874 342.19 2015.33 0.875 342.62 2015.43 0.877 343.05 2015.53 0.879 343.47 2015.63 0.881 343.90 2015.73 0.883 344.32 2015.83 0.885 344.74 2015.93 0.887 345.15 2016.03 0.888 345.57 2016.13 0.890 345.98 2016.23 0.892 346.39 2016.33 0.894 346.80 2016.43 0.896 347.21 2016.53 0.898 347.62 2016.63 0.900 348.02 2016.73 0.902 348.42 2016.83 0.904 348.83 2016.93 0.906 349.22 2017.03 0.908 349.62 2017.13 0.911 350.02 2017.23 0.913 350.41 2017.33 0.915 350.80 2017.43 0.917 351.19 2017.53 0.919 351.58 2017.63 0.921 351.97 2017.73 0.923 352.35 2017.83 0.925 352.74 2017.93 0.927 353.12 2018.03 0.930 353.50 2018.13 0.932 353.87 2018.23 0.934 354.25 2018.33 0.936 354.62 2018.43 0.938 355.00 2018.53 0.941 355.37 2018.63 0.943 355.74 2018.73 0.945 356.10 2018.83 0.947 356.47 2018.93 0.949 356.83 2019.03 0.952 357.19 2019.13 0.954 357.56 2019.23 0.956 357.91 2019.33 0.958 358.27 2019.43 0.960 358.63 2019.53 0.963 358.98 2019.63 0.965 359.33 2019.73 0.967 359.68 2019.83 0.969 0.03 2019.93 0.972 0.38 2020.03 0.974 0.73 2020.13 0.976 1.07 2020.23 0.978 1.41 2020.33 0.981 1.75 2020.43 0.983 2.09 2020.53 0.985 2.43 2020.63 0.987 2.77 2020.73 0.990 3.10 2020.83 0.992 3.43 2020.93 0.994 3.77 2021.03 0.996 4.10 2021.13 0.999 4.43 2021.23 1.001 4.75 2021.33 1.003 5.08 2021.43 1.005 5.40 2021.53 1.007 5.73 2021.63 1.010 6.05 2021.73 1.012 6.37 2021.83 1.014 6.69 2021.93 1.016 7.00 2022.03 1.018 7.32 2022.13 1.021 7.64 2022.23 1.023 7.95 2022.33 1.025 8.26 2022.43 1.027 8.57 2022.53 1.029 8.88 2022.63 1.031 9.19 2022.73 1.033 9.50 2022.83 1.036 9.80 2022.93 1.038 10.11 2023.03 1.040 10.41 2023.13 1.042 10.71 2023.23 1.044 11.01 2023.33 1.046 11.31 2023.43 1.048 11.61 2023.53 1.050 11.91 2023.63 1.052 12.20 2023.73 1.054 12.50 2023.83 1.056 12.79 2023.93 1.058 13.09 2024.03 1.060 13.38 2024.13 1.062 13.67 2024.23 1.064 13.96 2024.33 1.065 14.25 2024.43 1.067 14.54 2024.53 1.069 14.82 2024.63 1.071 15.11 2024.73 1.073 15.39 2024.83 1.075 15.68 2024.93 1.076 15.96 2025.03 1.078 16.24 2025.13 1.080 16.52 2025.23 1.082 16.80 2025.33 1.083 17.08 2025.43 1.085 17.36 2025.53 1.087 17.64 2025.63 1.088 17.91 2025.73 1.090 18.19 2025.83 1.091 18.46 2025.93 1.093 18.74 2026.03 1.094 19.01 2026.13 1.096 19.29 2026.23 1.097 19.56 2026.33 1.099 19.83 2026.43 1.100 20.10 2026.53 1.101 20.37 2026.63 1.103 20.64 2026.73 1.104 20.91 2026.83 1.105 21.18 2026.93 1.107 21.44 2027.03 1.108 21.71 2027.13 1.109 21.98 2027.23 1.110 22.24 2027.33 1.111 22.51 2027.43 1.112 22.77 2027.53 1.113 23.04 2027.63 1.114 23.30 2027.73 1.115 23.56 2027.83 1.116 23.83 2027.93 1.117 24.09 2028.03 1.118 24.35 2028.13 1.119 24.61 2028.23 1.119 24.87 2028.33 1.120 25.13 2028.43 1.121 25.40 2028.53 1.121 25.66 2028.63 1.122 25.92 2028.73 1.122 26.18 2028.83 1.123 26.44 2028.93 1.123 26.69 2029.03 1.124 26.95 2029.13 1.124 27.21 2029.23 1.124 27.47 2029.33 1.124 27.73 2029.43 1.125 27.99 2029.53 1.125 28.25 2029.63 1.125 28.51 2029.73 1.125 28.77 2029.83 1.125 29.02 2029.93 1.124 29.28 2030.03 1.124 29.54 2030.13 1.124 29.80 2030.23 1.124 30.06 2030.33 1.123 30.32 2030.43 1.123 30.58 2030.53 1.122 30.84 2030.63 1.122 31.10 2030.73 1.121 31.36 2030.83 1.120 31.62 2030.93 1.120 31.88 2031.03 1.119 32.14 2031.13 1.118 32.40 2031.23 1.117 32.66 2031.33 1.116 32.93 2031.43 1.114 33.19 2031.53 1.113 33.45 2031.63 1.112 33.72 2031.73 1.110 33.98 2031.83 1.109 34.25 2031.93 1.107 34.51 2032.03 1.105 34.78 2032.13 1.103 35.05 2032.23 1.101 35.32 2032.33 1.099 35.59 2032.43 1.097 35.86 2032.53 1.095 36.13 2032.63 1.093 36.41 2032.73 1.090 36.68 2032.83 1.088 36.96 2032.93 1.085 37.23 2033.03 1.082 37.51 2033.13 1.079 37.79 2033.23 1.076 38.08 2033.33 1.073 38.36 2033.43 1.069 38.64 2033.53 1.066 38.93 2033.63 1.062 39.22 2033.73 1.058 39.51 2033.83 1.054 39.80 2033.93 1.050 40.10 2034.03 1.046 40.40 2034.13 1.042 40.70 2034.23 1.037 41.00 2034.33 1.032 41.31 2034.43 1.027 41.61 2034.53 1.022 41.93 2034.63 1.017 42.24 2034.73 1.011 42.56 2034.83 1.005 42.88 2034.93 0.999 43.21 2035.03 0.993 43.54 2035.13 0.986 43.87 2035.23 0.980 44.21 2035.33 0.973 44.55 2035.43 0.965 44.90 2035.53 0.958 45.26 2035.63 0.950 45.61 2035.73 0.942 45.98 2035.83 0.933 46.35 2035.93 0.925 46.73 2036.03 0.915 47.12 2036.13 0.906 47.51 2036.23 0.896 47.92 2036.33 0.886 48.33 2036.43 0.875 48.75 2036.53 0.864 49.18 2036.63 0.852 49.63 2036.73 0.840 50.08 2036.83 0.827 50.56 2036.93 0.814 51.04 2037.03 0.800 51.54 2037.13 0.786 52.06 2037.23 0.771 52.60 2037.33 0.755 53.16 2037.43 0.738 53.75 2037.53 0.721 54.37 2037.63 0.703 55.01 2037.73 0.683 55.69 2037.83 0.663 56.41 2037.93 0.642 57.18 2038.03 0.619 58.01 2038.13 0.595 58.90 2038.23 0.569 59.86 2038.33 0.542 60.92 2038.43 0.513 62.10 2038.53 0.482 63.42 2038.63 0.449 64.93 2038.73 0.413 66.69 2038.83 0.375 68.79 2038.93 0.334 71.40 2039.03 0.291 74.76 2039.13 0.244 79.36 2039.23 0.196 86.18 2039.33 0.148 97.46 2039.43 0.108 118.25 2039.53 0.091 153.68 2039.63 0.110 188.17 2039.73 0.152 208.01 2039.83 0.199 218.88 2039.93 0.245 225.58 2040.03 0.289 230.19 2040.13 0.329 233.62 2040.23 0.366 236.33 2040.33 0.399 238.57 2040.43 0.429 240.47 2040.53 0.457 242.14 2040.63 0.482 243.63 2040.73 0.504 244.97 2040.83 0.525 246.21 2040.93 0.544 247.35 2041.03 0.562 248.42 2041.13 0.578 249.43 2041.23 0.593 250.39 2041.33 0.607 251.30 2041.43 0.619 252.17 2041.53 0.631 253.00 2041.63 0.642 253.81 2041.73 0.653 254.59 2041.83 0.663 255.34 2041.93 0.672 256.08 2042.03 0.680 256.80 2042.13 0.688 257.49 2042.23 0.695 258.18 2042.33 0.702 258.85 2042.43 0.709 259.51 2042.53 0.715 260.15 2042.63 0.721 260.78 2042.73 0.726 261.41 2042.83 0.731 262.03 2042.93 0.736 262.63 2043.03 0.741 263.23 2043.13 0.745 263.83 2043.23 0.749 264.41 2043.33 0.753 264.99 2043.43 0.756 265.57 2043.53 0.760 266.14 2043.63 0.763 266.70 2043.73 0.766 267.26 2043.83 0.768 267.82 2043.93 0.771 268.37 2044.03 0.773 268.92 2044.13 0.776 269.46 2044.23 0.778 270.01 2044.33 0.780 270.54 2044.43 0.782 271.08 2044.53 0.783 271.62 2044.63 0.785 272.15 2044.73 0.787 272.68 2044.83 0.788 273.20 2044.93 0.789 273.73 2045.03 0.791 274.25 2045.13 0.792 274.78 2045.23 0.793 275.30 2045.33 0.794 275.82 2045.43 0.795 276.34 2045.53 0.796 276.85 2045.63 0.796 277.37 2045.73 0.797 277.89 2045.83 0.798 278.40 2045.93 0.798 278.91 2046.03 0.799 279.43 2046.13 0.799 279.94 2046.23 0.800 280.45 2046.33 0.800 280.96 2046.43 0.800 281.47 2046.53 0.801 281.98 2046.63 0.801 282.50 2046.73 0.801 283.00
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:33:10 |