| WDS: | I253AB | WDS ID/Discoverer |
| P: | 56.590 | Orbital period (years) |
| a: | 0.448 | Semi-major axis (arcseconds) |
| i: | 93.31 | Inclination (degrees) |
| Ω: | 137.96 | Longitude of ascending node (degrees) |
| T: | 1939.360 | Epoch of periastron passage (year) |
| e: | 0.738 | Eccentricity |
| ω: | 141.7 | Longitude of periastron (degrees) |
| Start-Year: | 1996.705 | Year |
| End-Year: | 2053.295 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I253AB |
||
| Position: | 191859.06-331641.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19190-3317 | WDS designation |
| Discoverer Code: | I253AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 180702 | HD catalog number |
| Hipparcos number: | 94926 | Hipparcos catalog number |
| V1: | 8.77 | Magnitude of the primary |
| V2: | 7.25 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Mdz2021 | 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 0.635 140.28 -------------------------- 1996.70 0.132 317.67 1996.80 0.135 317.39 1996.90 0.137 317.12 1997.00 0.138 316.85 1997.10 0.139 316.59 1997.20 0.139 316.33 1997.30 0.139 316.08 1997.40 0.138 315.82 1997.50 0.138 315.56 1997.60 0.137 315.29 1997.70 0.135 315.02 1997.80 0.134 314.75 1997.90 0.132 314.47 1998.00 0.130 314.17 1998.10 0.127 313.87 1998.20 0.125 313.56 1998.30 0.123 313.24 1998.40 0.120 312.90 1998.50 0.117 312.54 1998.60 0.114 312.17 1998.70 0.111 311.78 1998.80 0.108 311.36 1998.90 0.105 310.93 1999.00 0.102 310.46 1999.10 0.098 309.96 1999.20 0.095 309.43 1999.30 0.091 308.85 1999.40 0.088 308.23 1999.50 0.084 307.56 1999.60 0.081 306.83 1999.70 0.077 306.04 1999.80 0.074 305.16 1999.90 0.070 304.20 2000.00 0.066 303.13 2000.10 0.063 301.94 2000.20 0.059 300.61 2000.30 0.056 299.10 2000.40 0.052 297.38 2000.50 0.049 295.41 2000.60 0.045 293.14 2000.70 0.042 290.49 2000.80 0.038 287.37 2000.90 0.035 283.67 2001.00 0.032 279.26 2001.10 0.029 273.95 2001.20 0.027 267.59 2001.30 0.025 260.03 2001.40 0.023 251.21 2001.50 0.022 241.33 2001.60 0.022 230.83 2001.70 0.022 220.37 2001.80 0.023 210.61 2001.90 0.025 201.95 2002.00 0.027 194.55 2002.10 0.030 188.33 2002.20 0.032 183.16 2002.30 0.036 178.85 2002.40 0.039 175.24 2002.50 0.042 172.19 2002.60 0.046 169.60 2002.70 0.049 167.37 2002.80 0.053 165.45 2002.90 0.056 163.77 2003.00 0.060 162.30 2003.10 0.064 160.99 2003.20 0.067 159.83 2003.30 0.071 158.79 2003.40 0.075 157.86 2003.50 0.079 157.01 2003.60 0.082 156.24 2003.70 0.086 155.53 2003.80 0.090 154.89 2003.90 0.094 154.30 2004.00 0.097 153.75 2004.10 0.101 153.24 2004.20 0.105 152.77 2004.30 0.108 152.34 2004.40 0.112 151.93 2004.50 0.116 151.55 2004.60 0.120 151.19 2004.70 0.123 150.85 2004.80 0.127 150.53 2004.90 0.131 150.23 2005.00 0.135 149.95 2005.10 0.138 149.68 2005.20 0.142 149.43 2005.30 0.146 149.19 2005.40 0.149 148.96 2005.50 0.153 148.74 2005.60 0.156 148.53 2005.70 0.160 148.34 2005.80 0.164 148.15 2005.90 0.167 147.96 2006.00 0.171 147.79 2006.10 0.174 147.62 2006.20 0.178 147.46 2006.30 0.182 147.31 2006.40 0.185 147.16 2006.50 0.189 147.02 2006.60 0.192 146.88 2006.70 0.196 146.75 2006.80 0.199 146.62 2006.90 0.203 146.50 2007.00 0.206 146.38 2007.10 0.210 146.27 2007.20 0.213 146.15 2007.30 0.217 146.05 2007.40 0.220 145.94 2007.50 0.223 145.84 2007.60 0.227 145.74 2007.70 0.230 145.65 2007.80 0.234 145.55 2007.90 0.237 145.46 2008.00 0.240 145.38 2008.10 0.244 145.29 2008.20 0.247 145.21 2008.30 0.250 145.13 2008.40 0.254 145.05 2008.50 0.257 144.97 2008.60 0.260 144.90 2008.70 0.263 144.83 2008.80 0.267 144.76 2008.90 0.270 144.69 2009.00 0.273 144.62 2009.10 0.276 144.55 2009.20 0.280 144.49 2009.30 0.283 144.43 2009.40 0.286 144.37 2009.50 0.289 144.31 2009.60 0.292 144.25 2009.70 0.295 144.19 2009.80 0.299 144.13 2009.90 0.302 144.08 2010.00 0.305 144.02 2010.10 0.308 143.97 2010.20 0.311 143.92 2010.30 0.314 143.87 2010.40 0.317 143.82 2010.50 0.320 143.77 2010.60 0.323 143.72 2010.70 0.326 143.67 2010.80 0.329 143.63 2010.90 0.332 143.58 2011.00 0.335 143.54 2011.10 0.338 143.49 2011.20 0.341 143.45 2011.30 0.344 143.41 2011.40 0.347 143.36 2011.50 0.350 143.32 2011.60 0.353 143.28 2011.70 0.355 143.24 2011.80 0.358 143.20 2011.90 0.361 143.17 2012.00 0.364 143.13 2012.10 0.367 143.09 2012.20 0.370 143.05 2012.30 0.372 143.02 2012.40 0.375 142.98 2012.50 0.378 142.95 2012.60 0.381 142.91 2012.70 0.383 142.88 2012.80 0.386 142.85 2012.90 0.389 142.81 2013.00 0.392 142.78 2013.10 0.394 142.75 2013.20 0.397 142.72 2013.30 0.400 142.68 2013.40 0.402 142.65 2013.50 0.405 142.62 2013.60 0.408 142.59 2013.70 0.410 142.56 2013.80 0.413 142.53 2013.90 0.415 142.50 2014.00 0.418 142.48 2014.10 0.421 142.45 2014.20 0.423 142.42 2014.30 0.426 142.39 2014.40 0.428 142.36 2014.50 0.431 142.34 2014.60 0.433 142.31 2014.70 0.436 142.28 2014.80 0.438 142.26 2014.90 0.441 142.23 2015.00 0.443 142.21 2015.10 0.445 142.18 2015.20 0.448 142.16 2015.30 0.450 142.13 2015.40 0.453 142.11 2015.50 0.455 142.08 2015.60 0.457 142.06 2015.70 0.460 142.04 2015.80 0.462 142.01 2015.90 0.464 141.99 2016.00 0.467 141.97 2016.10 0.469 141.94 2016.20 0.471 141.92 2016.30 0.474 141.90 2016.40 0.476 141.88 2016.50 0.478 141.86 2016.60 0.480 141.83 2016.70 0.483 141.81 2016.80 0.485 141.79 2016.90 0.487 141.77 2017.00 0.489 141.75 2017.10 0.491 141.73 2017.20 0.494 141.71 2017.30 0.496 141.69 2017.40 0.498 141.67 2017.50 0.500 141.65 2017.60 0.502 141.63 2017.70 0.504 141.61 2017.80 0.506 141.59 2017.90 0.508 141.57 2018.00 0.510 141.55 2018.10 0.512 141.53 2018.20 0.514 141.51 2018.30 0.516 141.49 2018.40 0.518 141.47 2018.50 0.520 141.46 2018.60 0.522 141.44 2018.70 0.524 141.42 2018.80 0.526 141.40 2018.90 0.528 141.38 2019.00 0.530 141.37 2019.10 0.532 141.35 2019.20 0.534 141.33 2019.30 0.536 141.31 2019.40 0.538 141.30 2019.50 0.540 141.28 2019.60 0.541 141.26 2019.70 0.543 141.25 2019.80 0.545 141.23 2019.90 0.547 141.21 2020.00 0.549 141.19 2020.10 0.550 141.18 2020.20 0.552 141.16 2020.30 0.554 141.15 2020.40 0.556 141.13 2020.50 0.557 141.11 2020.60 0.559 141.10 2020.70 0.561 141.08 2020.80 0.562 141.07 2020.90 0.564 141.05 2021.00 0.566 141.03 2021.10 0.567 141.02 2021.20 0.569 141.00 2021.30 0.571 140.99 2021.40 0.572 140.97 2021.50 0.574 140.96 2021.60 0.575 140.94 2021.70 0.577 140.93 2021.80 0.578 140.91 2021.90 0.580 140.90 2022.00 0.581 140.88 2022.10 0.583 140.87 2022.20 0.584 140.85 2022.30 0.586 140.84 2022.40 0.587 140.83 2022.50 0.589 140.81 2022.60 0.590 140.80 2022.70 0.592 140.78 2022.80 0.593 140.77 2022.90 0.594 140.75 2023.00 0.596 140.74 2023.10 0.597 140.73 2023.20 0.599 140.71 2023.30 0.600 140.70 2023.40 0.601 140.68 2023.50 0.602 140.67 2023.60 0.604 140.66 2023.70 0.605 140.64 2023.80 0.606 140.63 2023.90 0.608 140.62 2024.00 0.609 140.60 2024.10 0.610 140.59 2024.20 0.611 140.58 2024.30 0.612 140.56 2024.40 0.614 140.55 2024.50 0.615 140.54 2024.60 0.616 140.52 2024.70 0.617 140.51 2024.80 0.618 140.50 2024.90 0.619 140.48 2025.00 0.620 140.47 2025.10 0.621 140.46 2025.20 0.622 140.45 2025.30 0.624 140.43 2025.40 0.625 140.42 2025.50 0.626 140.41 2025.60 0.627 140.39 2025.70 0.628 140.38 2025.80 0.629 140.37 2025.90 0.629 140.36 2026.00 0.630 140.34 2026.10 0.631 140.33 2026.20 0.632 140.32 2026.30 0.633 140.31 2026.40 0.634 140.29 2026.50 0.635 140.28 2026.60 0.636 140.27 2026.70 0.637 140.26 2026.80 0.637 140.25 2026.90 0.638 140.23 2027.00 0.639 140.22 2027.10 0.640 140.21 2027.20 0.641 140.20 2027.30 0.641 140.18 2027.40 0.642 140.17 2027.50 0.643 140.16 2027.60 0.643 140.15 2027.70 0.644 140.14 2027.80 0.645 140.12 2027.90 0.645 140.11 2028.00 0.646 140.10 2028.10 0.647 140.09 2028.20 0.647 140.08 2028.30 0.648 140.06 2028.40 0.648 140.05 2028.50 0.649 140.04 2028.60 0.650 140.03 2028.70 0.650 140.02 2028.80 0.651 140.01 2028.90 0.651 139.99 2029.00 0.652 139.98 2029.10 0.652 139.97 2029.20 0.652 139.96 2029.30 0.653 139.95 2029.40 0.653 139.94 2029.50 0.654 139.92 2029.60 0.654 139.91 2029.70 0.654 139.90 2029.80 0.655 139.89 2029.90 0.655 139.88 2030.00 0.655 139.87 2030.10 0.656 139.85 2030.20 0.656 139.84 2030.30 0.656 139.83 2030.40 0.657 139.82 2030.50 0.657 139.81 2030.60 0.657 139.80 2030.70 0.657 139.78 2030.80 0.657 139.77 2030.90 0.657 139.76 2031.00 0.658 139.75 2031.10 0.658 139.74 2031.20 0.658 139.73 2031.30 0.658 139.72 2031.40 0.658 139.70 2031.50 0.658 139.69 2031.60 0.658 139.68 2031.70 0.658 139.67 2031.80 0.658 139.66 2031.90 0.658 139.65 2032.00 0.658 139.64 2032.10 0.658 139.62 2032.20 0.658 139.61 2032.30 0.658 139.60 2032.40 0.658 139.59 2032.50 0.658 139.58 2032.60 0.657 139.57 2032.70 0.657 139.55 2032.80 0.657 139.54 2032.90 0.657 139.53 2033.00 0.657 139.52 2033.10 0.656 139.51 2033.20 0.656 139.50 2033.30 0.656 139.49 2033.40 0.656 139.47 2033.50 0.655 139.46 2033.60 0.655 139.45 2033.70 0.655 139.44 2033.80 0.654 139.43 2033.90 0.654 139.42 2034.00 0.653 139.40 2034.10 0.653 139.39 2034.20 0.653 139.38 2034.30 0.652 139.37 2034.40 0.652 139.36 2034.50 0.651 139.35 2034.60 0.651 139.33 2034.70 0.650 139.32 2034.80 0.649 139.31 2034.90 0.649 139.30 2035.00 0.648 139.29 2035.10 0.648 139.28 2035.20 0.647 139.26 2035.30 0.646 139.25 2035.40 0.646 139.24 2035.50 0.645 139.23 2035.60 0.644 139.22 2035.70 0.643 139.20 2035.80 0.642 139.19 2035.90 0.642 139.18 2036.00 0.641 139.17 2036.10 0.640 139.16 2036.20 0.639 139.14 2036.30 0.638 139.13 2036.40 0.637 139.12 2036.50 0.636 139.11 2036.60 0.635 139.09 2036.70 0.634 139.08 2036.80 0.633 139.07 2036.90 0.632 139.06 2037.00 0.631 139.04 2037.10 0.630 139.03 2037.20 0.629 139.02 2037.30 0.628 139.01 2037.40 0.627 138.99 2037.50 0.626 138.98 2037.60 0.624 138.97 2037.70 0.623 138.96 2037.80 0.622 138.94 2037.90 0.621 138.93 2038.00 0.619 138.92 2038.10 0.618 138.90 2038.20 0.617 138.89 2038.30 0.615 138.88 2038.40 0.614 138.86 2038.50 0.612 138.85 2038.60 0.611 138.84 2038.70 0.609 138.82 2038.80 0.608 138.81 2038.90 0.606 138.80 2039.00 0.605 138.78 2039.10 0.603 138.77 2039.20 0.601 138.76 2039.30 0.600 138.74 2039.40 0.598 138.73 2039.50 0.596 138.72 2039.60 0.595 138.70 2039.70 0.593 138.69 2039.80 0.591 138.67 2039.90 0.589 138.66 2040.00 0.587 138.64 2040.10 0.585 138.63 2040.20 0.583 138.62 2040.30 0.582 138.60 2040.40 0.580 138.59 2040.50 0.578 138.57 2040.60 0.575 138.56 2040.70 0.573 138.54 2040.80 0.571 138.53 2040.90 0.569 138.51 2041.00 0.567 138.50 2041.10 0.565 138.48 2041.20 0.562 138.46 2041.30 0.560 138.45 2041.40 0.558 138.43 2041.50 0.556 138.42 2041.60 0.553 138.40 2041.70 0.551 138.38 2041.80 0.548 138.37 2041.90 0.546 138.35 2042.00 0.543 138.33 2042.10 0.541 138.32 2042.20 0.538 138.30 2042.30 0.535 138.28 2042.40 0.533 138.27 2042.50 0.530 138.25 2042.60 0.527 138.23 2042.70 0.525 138.21 2042.80 0.522 138.19 2042.90 0.519 138.18 2043.00 0.516 138.16 2043.10 0.513 138.14 2043.20 0.510 138.12 2043.30 0.507 138.10 2043.40 0.504 138.08 2043.50 0.501 138.06 2043.60 0.498 138.04 2043.70 0.494 138.02 2043.80 0.491 138.00 2043.90 0.488 137.98 2044.00 0.484 137.96 2044.10 0.481 137.94 2044.20 0.478 137.91 2044.30 0.474 137.89 2044.40 0.471 137.87 2044.50 0.467 137.85 2044.60 0.463 137.82 2044.70 0.460 137.80 2044.80 0.456 137.78 2044.90 0.452 137.75 2045.00 0.448 137.73 2045.10 0.444 137.70 2045.20 0.440 137.68 2045.30 0.436 137.65 2045.40 0.432 137.63 2045.50 0.428 137.60 2045.60 0.424 137.57 2045.70 0.420 137.54 2045.80 0.415 137.52 2045.90 0.411 137.49 2046.00 0.406 137.46 2046.10 0.402 137.43 2046.20 0.397 137.40 2046.30 0.393 137.36 2046.40 0.388 137.33 2046.50 0.383 137.30 2046.60 0.378 137.26 2046.70 0.373 137.23 2046.80 0.368 137.19 2046.90 0.363 137.15 2047.00 0.358 137.12 2047.10 0.353 137.08 2047.20 0.348 137.04 2047.30 0.342 136.99 2047.40 0.337 136.95 2047.50 0.331 136.91 2047.60 0.326 136.86 2047.70 0.320 136.81 2047.80 0.314 136.76 2047.90 0.308 136.71 2048.00 0.302 136.66 2048.10 0.296 136.60 2048.20 0.290 136.54 2048.30 0.283 136.48 2048.40 0.277 136.42 2048.50 0.270 136.35 2048.60 0.264 136.28 2048.70 0.257 136.21 2048.80 0.250 136.13 2048.90 0.243 136.05 2049.00 0.236 135.97 2049.10 0.229 135.87 2049.20 0.222 135.78 2049.30 0.214 135.67 2049.40 0.206 135.56 2049.50 0.199 135.44 2049.60 0.191 135.31 2049.70 0.183 135.16 2049.80 0.175 135.01 2049.90 0.166 134.84 2050.00 0.158 134.65 2050.10 0.149 134.43 2050.20 0.140 134.20 2050.30 0.131 133.93 2050.40 0.122 133.62 2050.50 0.113 133.25 2050.60 0.103 132.83 2050.70 0.094 132.31 2050.80 0.084 131.68 2050.90 0.074 130.88 2051.00 0.064 129.83 2051.10 0.054 128.39 2051.20 0.044 126.27 2051.30 0.033 122.84 2051.40 0.023 116.38 2051.50 0.014 100.45 2051.60 0.008 48.64 2051.70 0.013 354.28 2051.80 0.023 337.39 2051.90 0.033 330.66 2052.00 0.043 327.11 2052.10 0.053 324.92 2052.20 0.063 323.42 2052.30 0.072 322.32 2052.40 0.081 321.47 2052.50 0.089 320.78 2052.60 0.097 320.21 2052.70 0.104 319.72 2052.80 0.111 319.29 2052.90 0.117 318.91 2053.00 0.122 318.56 2053.10 0.126 318.23 2053.20 0.130 317.93
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:02:51 |