| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:16:09 |
| 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: | 1991.0 | Year |
| End-Year: | 2059.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.470 258.5 ------------------------- 1991.0 1.106 90.7 1992.0 1.099 91.7 1993.0 1.088 92.6 1994.0 1.075 93.6 1995.0 1.059 94.7 1996.0 1.040 95.7 1997.0 1.018 96.8 1998.0 0.994 98.0 1999.0 0.967 99.2 2000.0 0.938 100.5 2001.0 0.906 101.8 2002.0 0.872 103.3 2003.0 0.835 104.9 2004.0 0.797 106.6 2005.0 0.756 108.6 2006.0 0.713 110.7 2007.0 0.669 113.2 2008.0 0.623 115.9 2009.0 0.577 119.2 2010.0 0.529 123.0 2011.0 0.482 127.6 2012.0 0.436 133.1 2013.0 0.392 139.9 2014.0 0.352 148.4 2015.0 0.320 158.7 2016.0 0.297 171.1 2017.0 0.287 184.9 2018.0 0.291 198.9 2019.0 0.309 211.9 2020.0 0.335 223.2 2021.0 0.368 232.6 2022.0 0.401 240.5 2023.0 0.432 247.2 2024.0 0.456 253.1 2025.0 0.470 258.5 2026.0 0.471 263.7 2027.0 0.457 269.1 2028.0 0.428 275.0 2029.0 0.386 282.0 2030.0 0.336 290.9 2031.0 0.284 303.2 2032.0 0.240 320.4 2033.0 0.220 342.9 2034.0 0.231 6.3 2035.0 0.271 25.2 2036.0 0.327 38.4 2037.0 0.390 47.6 2038.0 0.455 54.1 2039.0 0.520 59.0 2040.0 0.583 62.9 2041.0 0.643 66.0 2042.0 0.699 68.6 2043.0 0.752 70.8 2044.0 0.801 72.7 2045.0 0.847 74.4 2046.0 0.889 76.0 2047.0 0.926 77.4 2048.0 0.961 78.7 2049.0 0.991 79.9 2050.0 1.018 81.1 2051.0 1.042 82.2 2052.0 1.062 83.2 2053.0 1.078 84.2 2054.0 1.092 85.2 2055.0 1.102 86.2 2056.0 1.108 87.1 2057.0 1.112 88.1 2058.0 1.113 89.0