| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:43:03 |
| WDS: | A1584 | WDS ID/Discoverer |
| P: | 70.890 | Orbital period (years) |
| a: | 0.419 | Semi-major axis (arcseconds) |
| i: | 33.2 | Inclination (degrees) |
| Ω: | 243.1 | Longitude of ascending node (degrees) |
| T: | 1985.010 | Epoch of periastron passage (year) |
| e: | 0.712 | Eccentricity |
| ω: | 39.5 | Longitude of periastron (degrees) |
| Start-Year: | 1990.0 | Year |
| End-Year: | 2060.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 085308.05+545711.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08531+5457 | WDS designation |
| Discoverer Code: | A1584 | Discover designation and components |
| ADS number: | 7054 | Aitken Double Star catalog |
| HD number: | 75553 | HD catalog number |
| Hipparcos number: | 43630 | Hipparcos catalog number |
| V1: | 8.99 | Magnitude of the primary |
| V2: | 7.72 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2013 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.654 103.1 ------------------------- 1990.0 0.264 37.2 1991.0 0.302 43.7 1992.0 0.337 48.9 1993.0 0.369 53.1 1994.0 0.399 56.6 1995.0 0.427 59.7 1996.0 0.452 62.4 1997.0 0.476 64.9 1998.0 0.497 67.1 1999.0 0.517 69.1 2000.0 0.536 71.0 2001.0 0.553 72.8 2002.0 0.569 74.4 2003.0 0.583 76.0 2004.0 0.596 77.5 2005.0 0.609 79.0 2006.0 0.619 80.3 2007.0 0.629 81.7 2008.0 0.638 83.0 2009.0 0.646 84.3 2010.0 0.653 85.5 2011.0 0.659 86.7 2012.0 0.664 87.9 2013.0 0.668 89.1 2014.0 0.671 90.3 2015.0 0.674 91.4 2016.0 0.675 92.6 2017.0 0.676 93.7 2018.0 0.676 94.9 2019.0 0.675 96.0 2020.0 0.673 97.2 2021.0 0.671 98.3 2022.0 0.668 99.5 2023.0 0.664 100.7 2024.0 0.659 101.9 2025.0 0.654 103.1 2026.0 0.647 104.3 2027.0 0.640 105.6 2028.0 0.633 106.9 2029.0 0.624 108.2 2030.0 0.615 109.6 2031.0 0.605 111.0 2032.0 0.594 112.4 2033.0 0.582 114.0 2034.0 0.570 115.5 2035.0 0.557 117.2 2036.0 0.543 118.9 2037.0 0.528 120.8 2038.0 0.512 122.7 2039.0 0.496 124.8 2040.0 0.478 127.0 2041.0 0.460 129.3 2042.0 0.441 131.9 2043.0 0.421 134.7 2044.0 0.400 137.8 2045.0 0.379 141.3 2046.0 0.356 145.2 2047.0 0.333 149.6 2048.0 0.309 154.7 2049.0 0.284 160.7 2050.0 0.258 167.8 2051.0 0.233 176.5 2052.0 0.207 187.4 2053.0 0.181 201.4 2054.0 0.156 220.0 2055.0 0.131 245.6 2056.0 0.112 281.8 2057.0 0.114 324.8 2058.0 0.144 357.4 2059.0 0.185 17.0