| WDS: | BU648AB | WDS ID/Discoverer |
| P: | 61.180 | Orbital period (years) |
| a: | 1.24 | Semi-major axis (arcseconds) |
| i: | 115.1 | Inclination (degrees) |
| Ω: | 49.0 | Longitude of ascending node (degrees) |
| T: | 1971.820 | Epoch of periastron passage (year) |
| e: | 0.249 | Eccentricity |
| ω: | 280.3 | Longitude of periastron (degrees) |
| Start-Year: | 1994.41 | Year |
| End-Year: | 2055.59 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU648AB |
||
| Position: | 185701.61+325404.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18570+3254 | WDS designation |
| Discoverer Code: | BU648AB | Discover designation and components |
| ADS number: | 11871 | Aitken Double Star catalog |
| HD number: | 176051 | HD catalog number |
| Hipparcos number: | 93017 | Hipparcos catalog number |
| V1: | 5.34 | Magnitude of the primary |
| V2: | 7.96 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2004 | 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: | Doc2008f | 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 0.849 209.79 -------------------------- 1994.41 0.776 359.31 1994.51 0.772 358.69 1994.61 0.768 358.07 1994.71 0.763 357.43 1994.81 0.759 356.79 1994.91 0.755 356.14 1995.01 0.751 355.49 1995.11 0.747 354.82 1995.21 0.743 354.15 1995.31 0.739 353.48 1995.41 0.736 352.79 1995.51 0.732 352.10 1995.61 0.728 351.41 1995.71 0.725 350.70 1995.81 0.721 349.99 1995.91 0.717 349.27 1996.01 0.714 348.55 1996.11 0.711 347.81 1996.21 0.708 347.07 1996.31 0.704 346.33 1996.41 0.701 345.58 1996.51 0.698 344.82 1996.61 0.695 344.05 1996.71 0.692 343.28 1996.81 0.690 342.50 1996.91 0.687 341.72 1997.01 0.684 340.93 1997.11 0.682 340.13 1997.21 0.680 339.33 1997.31 0.677 338.52 1997.41 0.675 337.71 1997.51 0.673 336.89 1997.61 0.671 336.06 1997.71 0.669 335.24 1997.81 0.667 334.40 1997.91 0.666 333.57 1998.01 0.664 332.73 1998.11 0.662 331.88 1998.21 0.661 331.03 1998.31 0.660 330.18 1998.41 0.659 329.32 1998.51 0.658 328.47 1998.61 0.657 327.60 1998.71 0.656 326.74 1998.81 0.655 325.88 1998.91 0.655 325.01 1999.01 0.654 324.14 1999.11 0.654 323.27 1999.21 0.653 322.40 1999.31 0.653 321.53 1999.41 0.653 320.66 1999.51 0.653 319.79 1999.61 0.654 318.92 1999.71 0.654 318.05 1999.81 0.654 317.18 1999.91 0.655 316.31 2000.01 0.655 315.44 2000.11 0.656 314.58 2000.21 0.657 313.72 2000.31 0.658 312.86 2000.41 0.659 312.00 2000.51 0.660 311.15 2000.61 0.662 310.30 2000.71 0.663 309.45 2000.81 0.665 308.61 2000.91 0.666 307.77 2001.01 0.668 306.93 2001.11 0.670 306.10 2001.21 0.672 305.28 2001.31 0.674 304.46 2001.41 0.676 303.64 2001.51 0.679 302.83 2001.61 0.681 302.03 2001.71 0.683 301.23 2001.81 0.686 300.44 2001.91 0.689 299.65 2002.01 0.691 298.87 2002.11 0.694 298.09 2002.21 0.697 297.33 2002.31 0.700 296.56 2002.41 0.703 295.81 2002.51 0.706 295.06 2002.61 0.710 294.32 2002.71 0.713 293.58 2002.81 0.716 292.86 2002.91 0.720 292.14 2003.01 0.723 291.42 2003.11 0.727 290.72 2003.21 0.731 290.02 2003.31 0.735 289.32 2003.41 0.738 288.64 2003.51 0.742 287.96 2003.61 0.746 287.29 2003.71 0.750 286.63 2003.81 0.754 285.97 2003.91 0.759 285.32 2004.01 0.763 284.68 2004.11 0.767 284.04 2004.21 0.771 283.41 2004.31 0.776 282.79 2004.41 0.780 282.18 2004.51 0.785 281.57 2004.61 0.789 280.97 2004.71 0.794 280.38 2004.81 0.798 279.79 2004.91 0.803 279.21 2005.01 0.807 278.64 2005.11 0.812 278.07 2005.21 0.817 277.51 2005.31 0.822 276.96 2005.41 0.826 276.41 2005.51 0.831 275.87 2005.61 0.836 275.33 2005.71 0.841 274.80 2005.81 0.846 274.28 2005.91 0.851 273.76 2006.01 0.856 273.25 2006.11 0.861 272.75 2006.21 0.866 272.25 2006.31 0.871 271.76 2006.41 0.876 271.27 2006.51 0.881 270.79 2006.61 0.886 270.31 2006.71 0.891 269.84 2006.81 0.896 269.37 2006.91 0.901 268.91 2007.01 0.906 268.46 2007.11 0.911 268.01 2007.21 0.916 267.56 2007.31 0.921 267.12 2007.41 0.926 266.68 2007.51 0.931 266.25 2007.61 0.936 265.83 2007.71 0.941 265.41 2007.81 0.947 264.99 2007.91 0.952 264.58 2008.01 0.957 264.17 2008.11 0.962 263.76 2008.21 0.967 263.36 2008.31 0.972 262.97 2008.41 0.977 262.58 2008.51 0.982 262.19 2008.61 0.987 261.80 2008.71 0.992 261.43 2008.81 0.997 261.05 2008.91 1.002 260.68 2009.01 1.007 260.31 2009.11 1.012 259.94 2009.21 1.017 259.58 2009.31 1.021 259.22 2009.41 1.026 258.87 2009.51 1.031 258.52 2009.61 1.036 258.17 2009.71 1.041 257.83 2009.81 1.045 257.48 2009.91 1.050 257.15 2010.01 1.055 256.81 2010.11 1.060 256.48 2010.21 1.064 256.15 2010.31 1.069 255.82 2010.41 1.074 255.50 2010.51 1.078 255.18 2010.61 1.083 254.86 2010.71 1.087 254.54 2010.81 1.092 254.23 2010.91 1.096 253.92 2011.01 1.100 253.61 2011.11 1.105 253.30 2011.21 1.109 253.00 2011.31 1.113 252.70 2011.41 1.118 252.40 2011.51 1.122 252.10 2011.61 1.126 251.81 2011.71 1.130 251.52 2011.81 1.134 251.23 2011.91 1.138 250.94 2012.01 1.142 250.65 2012.11 1.146 250.37 2012.21 1.150 250.09 2012.31 1.154 249.81 2012.41 1.157 249.53 2012.51 1.161 249.25 2012.61 1.165 248.98 2012.71 1.168 248.70 2012.81 1.172 248.43 2012.91 1.176 248.16 2013.01 1.179 247.89 2013.11 1.182 247.63 2013.21 1.186 247.36 2013.31 1.189 247.10 2013.41 1.192 246.84 2013.51 1.195 246.58 2013.61 1.199 246.32 2013.71 1.202 246.06 2013.81 1.205 245.80 2013.91 1.208 245.55 2014.01 1.210 245.29 2014.11 1.213 245.04 2014.21 1.216 244.79 2014.31 1.219 244.54 2014.41 1.221 244.29 2014.51 1.224 244.04 2014.61 1.226 243.79 2014.71 1.229 243.54 2014.81 1.231 243.30 2014.91 1.234 243.05 2015.01 1.236 242.81 2015.11 1.238 242.57 2015.21 1.240 242.32 2015.31 1.242 242.08 2015.41 1.244 241.84 2015.51 1.246 241.60 2015.61 1.247 241.36 2015.71 1.249 241.12 2015.81 1.251 240.89 2015.91 1.252 240.65 2016.01 1.254 240.41 2016.11 1.255 240.18 2016.21 1.257 239.94 2016.31 1.258 239.71 2016.41 1.259 239.47 2016.51 1.260 239.24 2016.61 1.261 239.00 2016.71 1.262 238.77 2016.81 1.263 238.54 2016.91 1.263 238.30 2017.01 1.264 238.07 2017.11 1.265 237.84 2017.21 1.265 237.60 2017.31 1.266 237.37 2017.41 1.266 237.14 2017.51 1.266 236.91 2017.61 1.266 236.68 2017.71 1.266 236.45 2017.81 1.266 236.21 2017.91 1.266 235.98 2018.01 1.266 235.75 2018.11 1.265 235.52 2018.21 1.265 235.29 2018.31 1.264 235.05 2018.41 1.264 234.82 2018.51 1.263 234.59 2018.61 1.262 234.35 2018.71 1.261 234.12 2018.81 1.260 233.89 2018.91 1.259 233.65 2019.01 1.258 233.42 2019.11 1.257 233.18 2019.21 1.255 232.95 2019.31 1.254 232.71 2019.41 1.252 232.47 2019.51 1.250 232.24 2019.61 1.249 232.00 2019.71 1.247 231.76 2019.81 1.245 231.52 2019.91 1.242 231.28 2020.01 1.240 231.04 2020.11 1.238 230.80 2020.21 1.235 230.55 2020.31 1.233 230.31 2020.41 1.230 230.06 2020.51 1.227 229.82 2020.61 1.224 229.57 2020.71 1.221 229.32 2020.81 1.218 229.07 2020.91 1.215 228.82 2021.01 1.212 228.57 2021.11 1.208 228.32 2021.21 1.205 228.06 2021.31 1.201 227.80 2021.41 1.197 227.54 2021.51 1.193 227.28 2021.61 1.189 227.02 2021.71 1.185 226.76 2021.81 1.181 226.49 2021.91 1.176 226.22 2022.01 1.172 225.96 2022.11 1.167 225.68 2022.21 1.162 225.41 2022.31 1.158 225.13 2022.41 1.153 224.85 2022.51 1.147 224.57 2022.61 1.142 224.29 2022.71 1.137 224.00 2022.81 1.131 223.71 2022.91 1.126 223.42 2023.01 1.120 223.13 2023.11 1.114 222.83 2023.21 1.108 222.53 2023.31 1.102 222.23 2023.41 1.096 221.92 2023.51 1.090 221.61 2023.61 1.083 221.29 2023.71 1.077 220.97 2023.81 1.070 220.65 2023.91 1.063 220.32 2024.01 1.057 219.99 2024.11 1.050 219.66 2024.21 1.042 219.32 2024.31 1.035 218.97 2024.41 1.028 218.62 2024.51 1.020 218.27 2024.61 1.013 217.91 2024.71 1.005 217.55 2024.81 0.997 217.17 2024.91 0.989 216.80 2025.01 0.981 216.41 2025.11 0.973 216.03 2025.21 0.965 215.63 2025.31 0.957 215.23 2025.41 0.948 214.82 2025.51 0.939 214.40 2025.61 0.931 213.97 2025.71 0.922 213.54 2025.81 0.913 213.10 2025.91 0.904 212.65 2026.01 0.895 212.19 2026.11 0.886 211.72 2026.21 0.876 211.24 2026.31 0.867 210.75 2026.41 0.858 210.25 2026.51 0.848 209.74 2026.61 0.838 209.22 2026.71 0.829 208.68 2026.81 0.819 208.14 2026.91 0.809 207.58 2027.01 0.799 207.00 2027.11 0.789 206.41 2027.21 0.779 205.81 2027.31 0.769 205.19 2027.41 0.759 204.55 2027.51 0.749 203.90 2027.61 0.738 203.22 2027.71 0.728 202.53 2027.81 0.718 201.82 2027.91 0.707 201.09 2028.01 0.697 200.33 2028.11 0.686 199.55 2028.21 0.676 198.75 2028.31 0.665 197.93 2028.41 0.655 197.07 2028.51 0.645 196.19 2028.61 0.634 195.28 2028.71 0.624 194.34 2028.81 0.613 193.37 2028.91 0.603 192.37 2029.01 0.593 191.33 2029.11 0.583 190.25 2029.21 0.573 189.14 2029.31 0.563 187.99 2029.41 0.553 186.79 2029.51 0.543 185.56 2029.61 0.534 184.27 2029.71 0.524 182.94 2029.81 0.515 181.57 2029.91 0.506 180.14 2030.01 0.497 178.66 2030.11 0.488 177.13 2030.21 0.480 175.55 2030.31 0.472 173.91 2030.41 0.464 172.21 2030.51 0.457 170.46 2030.61 0.449 168.64 2030.71 0.443 166.78 2030.81 0.436 164.85 2030.91 0.430 162.87 2031.01 0.425 160.84 2031.11 0.419 158.75 2031.21 0.415 156.61 2031.31 0.411 154.43 2031.41 0.407 152.20 2031.51 0.404 149.94 2031.61 0.401 147.64 2031.71 0.399 145.32 2031.81 0.398 142.98 2031.91 0.397 140.62 2032.01 0.396 138.25 2032.11 0.396 135.89 2032.21 0.397 133.53 2032.31 0.399 131.18 2032.41 0.401 128.85 2032.51 0.403 126.55 2032.61 0.406 124.28 2032.71 0.410 122.04 2032.81 0.414 119.85 2032.91 0.418 117.70 2033.01 0.423 115.60 2033.11 0.429 113.55 2033.21 0.435 111.56 2033.31 0.441 109.62 2033.41 0.448 107.74 2033.51 0.455 105.91 2033.61 0.462 104.14 2033.71 0.470 102.43 2033.81 0.478 100.78 2033.91 0.486 99.18 2034.01 0.495 97.63 2034.11 0.503 96.14 2034.21 0.512 94.70 2034.31 0.521 93.31 2034.41 0.531 91.96 2034.51 0.540 90.67 2034.61 0.550 89.41 2034.71 0.559 88.20 2034.81 0.569 87.04 2034.91 0.579 85.91 2035.01 0.589 84.82 2035.11 0.599 83.77 2035.21 0.609 82.75 2035.31 0.619 81.76 2035.41 0.630 80.81 2035.51 0.640 79.89 2035.61 0.650 78.99 2035.71 0.660 78.13 2035.81 0.670 77.29 2035.91 0.680 76.47 2036.01 0.691 75.68 2036.11 0.701 74.91 2036.21 0.711 74.17 2036.31 0.721 73.44 2036.41 0.731 72.73 2036.51 0.741 72.05 2036.61 0.751 71.38 2036.71 0.760 70.73 2036.81 0.770 70.09 2036.91 0.780 69.47 2037.01 0.789 68.87 2037.11 0.799 68.28 2037.21 0.808 67.70 2037.31 0.817 67.14 2037.41 0.827 66.59 2037.51 0.836 66.05 2037.61 0.845 65.53 2037.71 0.854 65.01 2037.81 0.862 64.51 2037.91 0.871 64.01 2038.01 0.880 63.53 2038.11 0.888 63.05 2038.21 0.896 62.58 2038.31 0.905 62.13 2038.41 0.913 61.68 2038.51 0.921 61.23 2038.61 0.928 60.80 2038.71 0.936 60.37 2038.81 0.944 59.95 2038.91 0.951 59.54 2039.01 0.958 59.13 2039.11 0.966 58.73 2039.21 0.973 58.33 2039.31 0.980 57.94 2039.41 0.986 57.56 2039.51 0.993 57.18 2039.61 1.000 56.80 2039.71 1.006 56.43 2039.81 1.012 56.07 2039.91 1.018 55.71 2040.01 1.024 55.35 2040.11 1.030 55.00 2040.21 1.036 54.65 2040.31 1.041 54.30 2040.41 1.047 53.96 2040.51 1.052 53.63 2040.61 1.057 53.29 2040.71 1.062 52.96 2040.81 1.067 52.63 2040.91 1.072 52.31 2041.01 1.076 51.99 2041.11 1.081 51.67 2041.21 1.085 51.35 2041.31 1.089 51.03 2041.41 1.093 50.72 2041.51 1.097 50.41 2041.61 1.101 50.10 2041.71 1.105 49.80 2041.81 1.108 49.49 2041.91 1.111 49.19 2042.01 1.115 48.89 2042.11 1.118 48.59 2042.21 1.121 48.30 2042.31 1.124 48.00 2042.41 1.126 47.71 2042.51 1.129 47.42 2042.61 1.131 47.13 2042.71 1.134 46.84 2042.81 1.136 46.55 2042.91 1.138 46.26 2043.01 1.140 45.97 2043.11 1.142 45.69 2043.21 1.144 45.40 2043.31 1.145 45.12 2043.41 1.147 44.84 2043.51 1.148 44.55 2043.61 1.149 44.27 2043.71 1.150 43.99 2043.81 1.151 43.71 2043.91 1.152 43.43 2044.01 1.153 43.15 2044.11 1.154 42.87 2044.21 1.154 42.59 2044.31 1.155 42.31 2044.41 1.155 42.03 2044.51 1.155 41.76 2044.61 1.155 41.48 2044.71 1.155 41.20 2044.81 1.155 40.92 2044.91 1.155 40.64 2045.01 1.155 40.36 2045.11 1.154 40.08 2045.21 1.154 39.80 2045.31 1.153 39.52 2045.41 1.152 39.24 2045.51 1.151 38.96 2045.61 1.151 38.68 2045.71 1.149 38.40 2045.81 1.148 38.12 2045.91 1.147 37.84 2046.01 1.146 37.56 2046.11 1.144 37.27 2046.21 1.143 36.99 2046.31 1.141 36.70 2046.41 1.140 36.42 2046.51 1.138 36.13 2046.61 1.136 35.84 2046.71 1.134 35.56 2046.81 1.132 35.27 2046.91 1.130 34.98 2047.01 1.128 34.68 2047.11 1.126 34.39 2047.21 1.123 34.10 2047.31 1.121 33.80 2047.41 1.119 33.51 2047.51 1.116 33.21 2047.61 1.113 32.91 2047.71 1.111 32.61 2047.81 1.108 32.31 2047.91 1.105 32.00 2048.01 1.102 31.70 2048.11 1.099 31.39 2048.21 1.096 31.08 2048.31 1.093 30.77 2048.41 1.090 30.46 2048.51 1.087 30.15 2048.61 1.083 29.83 2048.71 1.080 29.51 2048.81 1.077 29.19 2048.91 1.073 28.87 2049.01 1.070 28.55 2049.11 1.066 28.22 2049.21 1.062 27.89 2049.31 1.059 27.56 2049.41 1.055 27.23 2049.51 1.051 26.89 2049.61 1.047 26.56 2049.71 1.043 26.22 2049.81 1.039 25.87 2049.91 1.035 25.53 2050.01 1.031 25.18 2050.11 1.027 24.83 2050.21 1.023 24.48 2050.31 1.019 24.12 2050.41 1.015 23.76 2050.51 1.010 23.40 2050.61 1.006 23.03 2050.71 1.002 22.66 2050.81 0.997 22.29 2050.91 0.993 21.92 2051.01 0.989 21.54 2051.11 0.984 21.15 2051.21 0.980 20.77 2051.31 0.975 20.38 2051.41 0.971 19.99 2051.51 0.966 19.59 2051.61 0.962 19.19 2051.71 0.957 18.79 2051.81 0.952 18.38 2051.91 0.948 17.97 2052.01 0.943 17.55 2052.11 0.938 17.13 2052.21 0.934 16.71 2052.31 0.929 16.28 2052.41 0.924 15.84 2052.51 0.919 15.41 2052.61 0.915 14.97 2052.71 0.910 14.52 2052.81 0.905 14.07 2052.91 0.900 13.61 2053.01 0.896 13.15 2053.11 0.891 12.68 2053.21 0.886 12.21 2053.31 0.881 11.74 2053.41 0.876 11.26 2053.51 0.872 10.77 2053.61 0.867 10.28 2053.71 0.862 9.78 2053.81 0.857 9.28 2053.91 0.853 8.77 2054.01 0.848 8.25 2054.11 0.843 7.73 2054.21 0.838 7.21 2054.31 0.834 6.68 2054.41 0.829 6.14 2054.51 0.824 5.59 2054.61 0.820 5.04 2054.71 0.815 4.49 2054.81 0.811 3.93 2054.91 0.806 3.36 2055.01 0.802 2.78 2055.11 0.797 2.20 2055.21 0.793 1.61 2055.31 0.788 1.02 2055.41 0.784 0.41 2055.51 0.779 359.81
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 17:57:39 |