| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:40:29 |
| WDS: | HU716 | WDS ID/Discoverer |
| P: | 31.300 | Orbital period (years) |
| a: | 0.41 | Semi-major axis (arcseconds) |
| i: | 120.0 | Inclination (degrees) |
| Ω: | 143.0 | Longitude of ascending node (degrees) |
| T: | 1984.000 | Epoch of periastron passage (year) |
| e: | 0.71 | Eccentricity |
| ω: | 243.0 | Longitude of periastron (degrees) |
| Start-Year: | 2010.0 | Year |
| End-Year: | 2040.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 083135.03+345758.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08316+3458 | WDS designation |
| Discoverer Code: | HU716 | Discover designation and components |
| ADS number: | 6851 | Aitken Double Star catalog |
| HD number: | 71974 | HD catalog number |
| Hipparcos number: | 41820 | Hipparcos catalog number |
| V1: | 7.58 | Magnitude of the primary |
| V2: | 9.02 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.495 116.2 ------------------------- 2010.0 0.244 32.5 2011.0 0.232 20.5 2012.0 0.222 7.3 2013.0 0.209 352.7 2014.0 0.183 335.3 2015.0 0.108 303.7 2016.0 0.099 182.8 2017.0 0.219 152.4 2018.0 0.306 142.4 2019.0 0.367 136.4 2020.0 0.411 131.9 2021.0 0.443 128.2 2022.0 0.466 124.9 2023.0 0.482 121.9 2024.0 0.491 119.0 2025.0 0.495 116.2 2026.0 0.495 113.4 2027.0 0.491 110.6 2028.0 0.484 107.8 2029.0 0.473 104.8 2030.0 0.460 101.7 2031.0 0.445 98.4 2032.0 0.428 94.8 2033.0 0.409 90.9 2034.0 0.389 86.6 2035.0 0.368 81.9 2036.0 0.346 76.5 2037.0 0.324 70.4 2038.0 0.302 63.5 2039.0 0.282 55.5