| WDS: | HDS2957 | WDS ID/Discoverer |
| P: | 68.800 | Orbital period (years) |
| a: | 0.799 | Semi-major axis (arcseconds) |
| i: | 67.4 | Inclination (degrees) |
| Ω: | 85.4 | Longitude of ascending node (degrees) |
| T: | 2027.660 | Epoch of periastron passage (year) |
| e: | 0.423 | Eccentricity |
| ω: | 198.9 | Longitude of periastron (degrees) |
| Start-Year: | 1990.6 | Year |
| End-Year: | 2059.4 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HDS2957 |
||
| Position: | 204609.68-214444.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20462-2145 | WDS designation |
| Discoverer Code: | HDS2957 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 197711 | HD catalog number |
| Hipparcos number: | 102486 | Hipparcos catalog number |
| V1: | 7.96 | Magnitude of the primary |
| V2: | 11.15 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2019h | 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 0.466 266.37 -------------------------- 1990.60 1.109 90.33 1990.70 1.108 90.43 1990.80 1.108 90.52 1990.90 1.107 90.62 1991.00 1.106 90.71 1991.10 1.106 90.81 1991.20 1.105 90.90 1991.30 1.104 91.00 1991.40 1.104 91.09 1991.50 1.103 91.19 1991.60 1.102 91.28 1991.70 1.101 91.38 1991.80 1.100 91.47 1991.90 1.100 91.57 1992.00 1.099 91.67 1992.10 1.098 91.76 1992.20 1.097 91.86 1992.30 1.096 91.96 1992.40 1.095 92.05 1992.50 1.094 92.15 1992.60 1.093 92.25 1992.70 1.092 92.35 1992.80 1.090 92.44 1992.90 1.089 92.54 1993.00 1.088 92.64 1993.10 1.087 92.74 1993.20 1.086 92.84 1993.30 1.084 92.94 1993.40 1.083 93.03 1993.50 1.082 93.13 1993.60 1.080 93.23 1993.70 1.079 93.33 1993.80 1.078 93.43 1993.90 1.076 93.53 1994.00 1.075 93.63 1994.10 1.073 93.73 1994.20 1.072 93.84 1994.30 1.070 93.94 1994.40 1.069 94.04 1994.50 1.067 94.14 1994.60 1.065 94.24 1994.70 1.064 94.35 1994.80 1.062 94.45 1994.90 1.060 94.55 1995.00 1.059 94.66 1995.10 1.057 94.76 1995.20 1.055 94.86 1995.30 1.053 94.97 1995.40 1.051 95.07 1995.50 1.049 95.18 1995.60 1.048 95.28 1995.70 1.046 95.39 1995.80 1.044 95.50 1995.90 1.042 95.60 1996.00 1.040 95.71 1996.10 1.038 95.82 1996.20 1.036 95.93 1996.30 1.033 96.04 1996.40 1.031 96.15 1996.50 1.029 96.26 1996.60 1.027 96.37 1996.70 1.025 96.48 1996.80 1.023 96.59 1996.90 1.020 96.70 1997.00 1.018 96.81 1997.10 1.016 96.92 1997.20 1.013 97.04 1997.30 1.011 97.15 1997.40 1.009 97.26 1997.50 1.006 97.38 1997.60 1.004 97.49 1997.70 1.001 97.61 1997.80 0.999 97.73 1997.90 0.996 97.84 1998.00 0.994 97.96 1998.10 0.991 98.08 1998.20 0.989 98.20 1998.30 0.986 98.32 1998.40 0.983 98.44 1998.50 0.981 98.56 1998.60 0.978 98.68 1998.70 0.975 98.80 1998.80 0.973 98.92 1998.90 0.970 99.05 1999.00 0.967 99.17 1999.10 0.964 99.29 1999.20 0.961 99.42 1999.30 0.959 99.55 1999.40 0.956 99.67 1999.50 0.953 99.80 1999.60 0.950 99.93 1999.70 0.947 100.06 1999.80 0.944 100.19 1999.90 0.941 100.32 2000.00 0.938 100.45 2000.10 0.935 100.58 2000.20 0.932 100.72 2000.30 0.928 100.85 2000.40 0.925 100.99 2000.50 0.922 101.12 2000.60 0.919 101.26 2000.70 0.916 101.40 2000.80 0.913 101.54 2000.90 0.909 101.68 2001.00 0.906 101.82 2001.10 0.903 101.96 2001.20 0.899 102.11 2001.30 0.896 102.25 2001.40 0.893 102.40 2001.50 0.889 102.54 2001.60 0.886 102.69 2001.70 0.882 102.84 2001.80 0.879 102.99 2001.90 0.875 103.14 2002.00 0.872 103.29 2002.10 0.868 103.45 2002.20 0.865 103.60 2002.30 0.861 103.76 2002.40 0.858 103.91 2002.50 0.854 104.07 2002.60 0.850 104.23 2002.70 0.847 104.40 2002.80 0.843 104.56 2002.90 0.839 104.72 2003.00 0.835 104.89 2003.10 0.832 105.06 2003.20 0.828 105.22 2003.30 0.824 105.40 2003.40 0.820 105.57 2003.50 0.816 105.74 2003.60 0.812 105.92 2003.70 0.809 106.09 2003.80 0.805 106.27 2003.90 0.801 106.45 2004.00 0.797 106.64 2004.10 0.793 106.82 2004.20 0.789 107.01 2004.30 0.785 107.19 2004.40 0.781 107.38 2004.50 0.777 107.58 2004.60 0.773 107.77 2004.70 0.768 107.97 2004.80 0.764 108.16 2004.90 0.760 108.36 2005.00 0.756 108.57 2005.10 0.752 108.77 2005.20 0.748 108.98 2005.30 0.743 109.19 2005.40 0.739 109.40 2005.50 0.735 109.61 2005.60 0.731 109.83 2005.70 0.726 110.05 2005.80 0.722 110.27 2005.90 0.718 110.49 2006.00 0.713 110.72 2006.10 0.709 110.95 2006.20 0.705 111.18 2006.30 0.700 111.42 2006.40 0.696 111.66 2006.50 0.691 111.90 2006.60 0.687 112.15 2006.70 0.683 112.39 2006.80 0.678 112.64 2006.90 0.674 112.90 2007.00 0.669 113.16 2007.10 0.665 113.42 2007.20 0.660 113.68 2007.30 0.656 113.95 2007.40 0.651 114.23 2007.50 0.646 114.50 2007.60 0.642 114.78 2007.70 0.637 115.07 2007.80 0.633 115.35 2007.90 0.628 115.65 2008.00 0.623 115.94 2008.10 0.619 116.25 2008.20 0.614 116.55 2008.30 0.609 116.86 2008.40 0.605 117.18 2008.50 0.600 117.50 2008.60 0.595 117.82 2008.70 0.591 118.16 2008.80 0.586 118.49 2008.90 0.581 118.83 2009.00 0.577 119.18 2009.10 0.572 119.53 2009.20 0.567 119.89 2009.30 0.562 120.26 2009.40 0.558 120.63 2009.50 0.553 121.00 2009.60 0.548 121.39 2009.70 0.543 121.78 2009.80 0.539 122.17 2009.90 0.534 122.58 2010.00 0.529 122.99 2010.10 0.525 123.41 2010.20 0.520 123.84 2010.30 0.515 124.27 2010.40 0.510 124.71 2010.50 0.506 125.16 2010.60 0.501 125.62 2010.70 0.496 126.09 2010.80 0.491 126.57 2010.90 0.487 127.06 2011.00 0.482 127.55 2011.10 0.477 128.06 2011.20 0.473 128.57 2011.30 0.468 129.10 2011.40 0.463 129.64 2011.50 0.459 130.18 2011.60 0.454 130.74 2011.70 0.449 131.31 2011.80 0.445 131.89 2011.90 0.440 132.49 2012.00 0.436 133.09 2012.10 0.431 133.71 2012.20 0.427 134.35 2012.30 0.422 134.99 2012.40 0.418 135.65 2012.50 0.413 136.33 2012.60 0.409 137.01 2012.70 0.405 137.72 2012.80 0.400 138.43 2012.90 0.396 139.17 2013.00 0.392 139.92 2013.10 0.388 140.68 2013.20 0.383 141.47 2013.30 0.379 142.27 2013.40 0.375 143.08 2013.50 0.371 143.92 2013.60 0.367 144.77 2013.70 0.364 145.64 2013.80 0.360 146.53 2013.90 0.356 147.44 2014.00 0.352 148.37 2014.10 0.349 149.31 2014.20 0.345 150.28 2014.30 0.342 151.27 2014.40 0.338 152.28 2014.50 0.335 153.30 2014.60 0.332 154.35 2014.70 0.328 155.42 2014.80 0.325 156.51 2014.90 0.322 157.62 2015.00 0.320 158.75 2015.10 0.317 159.90 2015.20 0.314 161.06 2015.30 0.312 162.25 2015.40 0.309 163.46 2015.50 0.307 164.69 2015.60 0.304 165.93 2015.70 0.302 167.20 2015.80 0.300 168.48 2015.90 0.299 169.78 2016.00 0.297 171.09 2016.10 0.295 172.42 2016.20 0.294 173.76 2016.30 0.292 175.11 2016.40 0.291 176.48 2016.50 0.290 177.86 2016.60 0.289 179.24 2016.70 0.288 180.64 2016.80 0.288 182.04 2016.90 0.287 183.44 2017.00 0.287 184.85 2017.10 0.287 186.27 2017.20 0.287 187.68 2017.30 0.287 189.10 2017.40 0.287 190.51 2017.50 0.287 191.92 2017.60 0.288 193.33 2017.70 0.289 194.73 2017.80 0.289 196.12 2017.90 0.290 197.51 2018.00 0.291 198.88 2018.10 0.292 200.25 2018.20 0.294 201.60 2018.30 0.295 202.94 2018.40 0.297 204.27 2018.50 0.298 205.58 2018.60 0.300 206.88 2018.70 0.302 208.16 2018.80 0.304 209.43 2018.90 0.306 210.68 2019.00 0.309 211.91 2019.10 0.311 213.12 2019.20 0.313 214.32 2019.30 0.316 215.49 2019.40 0.318 216.65 2019.50 0.321 217.79 2019.60 0.324 218.90 2019.70 0.327 220.00 2019.80 0.330 221.09 2019.90 0.332 222.15 2020.00 0.335 223.19 2020.10 0.339 224.21 2020.20 0.342 225.22 2020.30 0.345 226.21 2020.40 0.348 227.18 2020.50 0.351 228.13 2020.60 0.354 229.06 2020.70 0.358 229.98 2020.80 0.361 230.88 2020.90 0.364 231.77 2021.00 0.368 232.63 2021.10 0.371 233.49 2021.20 0.374 234.32 2021.30 0.378 235.14 2021.40 0.381 235.95 2021.50 0.385 236.74 2021.60 0.388 237.52 2021.70 0.391 238.29 2021.80 0.395 239.04 2021.90 0.398 239.78 2022.00 0.401 240.51 2022.10 0.405 241.23 2022.20 0.408 241.93 2022.30 0.411 242.63 2022.40 0.414 243.31 2022.50 0.417 243.99 2022.60 0.420 244.65 2022.70 0.423 245.30 2022.80 0.426 245.95 2022.90 0.429 246.58 2023.00 0.432 247.21 2023.10 0.435 247.83 2023.20 0.437 248.44 2023.30 0.440 249.05 2023.40 0.443 249.64 2023.50 0.445 250.24 2023.60 0.447 250.82 2023.70 0.450 251.40 2023.80 0.452 251.97 2023.90 0.454 252.54 2024.00 0.456 253.10 2024.10 0.458 253.66 2024.20 0.460 254.21 2024.30 0.462 254.76 2024.40 0.463 255.30 2024.50 0.465 255.84 2024.60 0.466 256.38 2024.70 0.467 256.91 2024.80 0.468 257.44 2024.90 0.469 257.97 2025.00 0.470 258.50 2025.10 0.471 259.03 2025.20 0.472 259.55 2025.30 0.472 260.07 2025.40 0.472 260.59 2025.50 0.473 261.11 2025.60 0.473 261.64 2025.70 0.472 262.16 2025.80 0.472 262.68 2025.90 0.472 263.20 2026.00 0.471 263.72 2026.10 0.471 264.25 2026.20 0.470 264.77 2026.30 0.469 265.30 2026.40 0.468 265.83 2026.50 0.466 266.37 2026.60 0.465 266.90 2026.70 0.463 267.44 2026.80 0.461 267.99 2026.90 0.460 268.54 2027.00 0.457 269.09 2027.10 0.455 269.65 2027.20 0.453 270.21 2027.30 0.450 270.78 2027.40 0.448 271.36 2027.50 0.445 271.94 2027.60 0.442 272.54 2027.70 0.439 273.14 2027.80 0.435 273.75 2027.90 0.432 274.36 2028.00 0.428 274.99 2028.10 0.425 275.63 2028.20 0.421 276.28 2028.30 0.417 276.94 2028.40 0.413 277.62 2028.50 0.409 278.31 2028.60 0.405 279.01 2028.70 0.400 279.73 2028.80 0.396 280.47 2028.90 0.391 281.22 2029.00 0.386 281.99 2029.10 0.382 282.78 2029.20 0.377 283.58 2029.30 0.372 284.41 2029.40 0.367 285.27 2029.50 0.362 286.14 2029.60 0.357 287.05 2029.70 0.351 287.97 2029.80 0.346 288.93 2029.90 0.341 289.92 2030.00 0.336 290.93 2030.10 0.330 291.98 2030.20 0.325 293.06 2030.30 0.320 294.18 2030.40 0.314 295.34 2030.50 0.309 296.54 2030.60 0.304 297.77 2030.70 0.299 299.05 2030.80 0.294 300.38 2030.90 0.289 301.75 2031.00 0.284 303.17 2031.10 0.279 304.65 2031.20 0.274 306.17 2031.30 0.269 307.75 2031.40 0.264 309.39 2031.50 0.260 311.08 2031.60 0.256 312.83 2031.70 0.252 314.64 2031.80 0.248 316.50 2031.90 0.244 318.43 2032.00 0.240 320.42 2032.10 0.237 322.46 2032.20 0.234 324.55 2032.30 0.231 326.70 2032.40 0.229 328.91 2032.50 0.226 331.15 2032.60 0.224 333.44 2032.70 0.223 335.77 2032.80 0.222 338.12 2032.90 0.220 340.51 2033.00 0.220 342.91 2033.10 0.219 345.32 2033.20 0.219 347.73 2033.30 0.220 350.15 2033.40 0.220 352.55 2033.50 0.221 354.93 2033.60 0.223 357.29 2033.70 0.224 359.61 2033.80 0.226 1.90 2033.90 0.229 4.15 2034.00 0.231 6.35 2034.10 0.234 8.49 2034.20 0.237 10.59 2034.30 0.241 12.62 2034.40 0.244 14.60 2034.50 0.248 16.52 2034.60 0.252 18.37 2034.70 0.257 20.17 2034.80 0.261 21.91 2034.90 0.266 23.58 2035.00 0.271 25.20 2035.10 0.276 26.75 2035.20 0.281 28.25 2035.30 0.286 29.70 2035.40 0.292 31.09 2035.50 0.297 32.43 2035.60 0.303 33.73 2035.70 0.309 34.97 2035.80 0.315 36.17 2035.90 0.321 37.32 2036.00 0.327 38.43 2036.10 0.333 39.50 2036.20 0.339 40.53 2036.30 0.345 41.53 2036.40 0.351 42.49 2036.50 0.358 43.41 2036.60 0.364 44.30 2036.70 0.370 45.17 2036.80 0.377 46.00 2036.90 0.383 46.80 2037.00 0.390 47.58 2037.10 0.396 48.34 2037.20 0.403 49.06 2037.30 0.409 49.77 2037.40 0.416 50.45 2037.50 0.422 51.11 2037.60 0.429 51.76 2037.70 0.436 52.38 2037.80 0.442 52.98 2037.90 0.449 53.57 2038.00 0.455 54.14 2038.10 0.462 54.69 2038.20 0.468 55.23 2038.30 0.475 55.75 2038.40 0.481 56.26 2038.50 0.488 56.76 2038.60 0.494 57.24 2038.70 0.501 57.71 2038.80 0.507 58.17 2038.90 0.514 58.61 2039.00 0.520 59.05 2039.10 0.526 59.47 2039.20 0.533 59.89 2039.30 0.539 60.29 2039.40 0.545 60.69 2039.50 0.552 61.08 2039.60 0.558 61.45 2039.70 0.564 61.82 2039.80 0.570 62.18 2039.90 0.577 62.54 2040.00 0.583 62.88 2040.10 0.589 63.22 2040.20 0.595 63.56 2040.30 0.601 63.88 2040.40 0.607 64.20 2040.50 0.613 64.51 2040.60 0.619 64.82 2040.70 0.625 65.12 2040.80 0.631 65.41 2040.90 0.637 65.70 2041.00 0.643 65.99 2041.10 0.649 66.27 2041.20 0.654 66.54 2041.30 0.660 66.81 2041.40 0.666 67.07 2041.50 0.671 67.33 2041.60 0.677 67.59 2041.70 0.683 67.84 2041.80 0.688 68.09 2041.90 0.694 68.33 2042.00 0.699 68.57 2042.10 0.705 68.81 2042.20 0.710 69.04 2042.30 0.716 69.27 2042.40 0.721 69.50 2042.50 0.726 69.72 2042.60 0.731 69.94 2042.70 0.737 70.15 2042.80 0.742 70.37 2042.90 0.747 70.58 2043.00 0.752 70.78 2043.10 0.757 70.99 2043.20 0.762 71.19 2043.30 0.767 71.39 2043.40 0.772 71.58 2043.50 0.777 71.78 2043.60 0.782 71.97 2043.70 0.787 72.16 2043.80 0.792 72.34 2043.90 0.797 72.53 2044.00 0.801 72.71 2044.10 0.806 72.89 2044.20 0.811 73.07 2044.30 0.815 73.24 2044.40 0.820 73.42 2044.50 0.825 73.59 2044.60 0.829 73.76 2044.70 0.834 73.93 2044.80 0.838 74.10 2044.90 0.842 74.26 2045.00 0.847 74.42 2045.10 0.851 74.58 2045.20 0.855 74.74 2045.30 0.860 74.90 2045.40 0.864 75.06 2045.50 0.868 75.21 2045.60 0.872 75.37 2045.70 0.876 75.52 2045.80 0.880 75.67 2045.90 0.885 75.82 2046.00 0.889 75.97 2046.10 0.892 76.12 2046.20 0.896 76.26 2046.30 0.900 76.40 2046.40 0.904 76.55 2046.50 0.908 76.69 2046.60 0.912 76.83 2046.70 0.915 76.97 2046.80 0.919 77.11 2046.90 0.923 77.24 2047.00 0.926 77.38 2047.10 0.930 77.52 2047.20 0.934 77.65 2047.30 0.937 77.78 2047.40 0.941 77.91 2047.50 0.944 78.05 2047.60 0.947 78.18 2047.70 0.951 78.30 2047.80 0.954 78.43 2047.90 0.957 78.56 2048.00 0.961 78.69 2048.10 0.964 78.81 2048.20 0.967 78.94 2048.30 0.970 79.06 2048.40 0.973 79.18 2048.50 0.976 79.31 2048.60 0.979 79.43 2048.70 0.982 79.55 2048.80 0.985 79.67 2048.90 0.988 79.79 2049.00 0.991 79.91 2049.10 0.994 80.03 2049.20 0.997 80.14 2049.30 1.000 80.26 2049.40 1.002 80.38 2049.50 1.005 80.49 2049.60 1.008 80.61 2049.70 1.010 80.72 2049.80 1.013 80.83 2049.90 1.016 80.95 2050.00 1.018 81.06 2050.10 1.021 81.17 2050.20 1.023 81.28 2050.30 1.026 81.39 2050.40 1.028 81.50 2050.50 1.030 81.61 2050.60 1.033 81.72 2050.70 1.035 81.83 2050.80 1.037 81.94 2050.90 1.039 82.05 2051.00 1.042 82.16 2051.10 1.044 82.26 2051.20 1.046 82.37 2051.30 1.048 82.48 2051.40 1.050 82.58 2051.50 1.052 82.69 2051.60 1.054 82.79 2051.70 1.056 82.90 2051.80 1.058 83.00 2051.90 1.060 83.10 2052.00 1.062 83.21 2052.10 1.063 83.31 2052.20 1.065 83.41 2052.30 1.067 83.52 2052.40 1.069 83.62 2052.50 1.070 83.72 2052.60 1.072 83.82 2052.70 1.074 83.92 2052.80 1.075 84.02 2052.90 1.077 84.12 2053.00 1.078 84.22 2053.10 1.080 84.32 2053.20 1.081 84.42 2053.30 1.083 84.52 2053.40 1.084 84.62 2053.50 1.085 84.72 2053.60 1.087 84.82 2053.70 1.088 84.92 2053.80 1.089 85.01 2053.90 1.090 85.11 2054.00 1.092 85.21 2054.10 1.093 85.31 2054.20 1.094 85.41 2054.30 1.095 85.50 2054.40 1.096 85.60 2054.50 1.097 85.70 2054.60 1.098 85.79 2054.70 1.099 85.89 2054.80 1.100 85.99 2054.90 1.101 86.08 2055.00 1.102 86.18 2055.10 1.102 86.27 2055.20 1.103 86.37 2055.30 1.104 86.46 2055.40 1.105 86.56 2055.50 1.105 86.66 2055.60 1.106 86.75 2055.70 1.107 86.85 2055.80 1.107 86.94 2055.90 1.108 87.03 2056.00 1.108 87.13 2056.10 1.109 87.22 2056.20 1.109 87.32 2056.30 1.110 87.41 2056.40 1.110 87.51 2056.50 1.111 87.60 2056.60 1.111 87.70 2056.70 1.111 87.79 2056.80 1.112 87.88 2056.90 1.112 87.98 2057.00 1.112 88.07 2057.10 1.112 88.17 2057.20 1.113 88.26 2057.30 1.113 88.35 2057.40 1.113 88.45 2057.50 1.113 88.54 2057.60 1.113 88.64 2057.70 1.113 88.73 2057.80 1.113 88.82 2057.90 1.113 88.92 2058.00 1.113 89.01 2058.10 1.113 89.11 2058.20 1.113 89.20 2058.30 1.112 89.29 2058.40 1.112 89.39 2058.50 1.112 89.48 2058.60 1.112 89.58 2058.70 1.111 89.67 2058.80 1.111 89.76 2058.90 1.111 89.86 2059.00 1.110 89.95 2059.10 1.110 90.05 2059.20 1.110 90.14 2059.30 1.109 90.24 2059.40 1.109 90.33
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:18:36 |