| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:49:06 |
| WDS: | HDS2506 | WDS ID/Discoverer |
| P: | 20.420 | Orbital period (years) |
| a: | 0.3648 | Semi-major axis (arcseconds) |
| i: | 104.61 | Inclination (degrees) |
| Ω: | 129.31 | Longitude of ascending node (degrees) |
| T: | 2027.807 | Epoch of periastron passage (year) |
| e: | 0.539 | Eccentricity |
| ω: | 233.9 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 174300.81+054721.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17430+0547 | WDS designation |
| Discoverer Code: | HDS2506 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 86707 | Hipparcos catalog number |
| V1: | 10.92 | Magnitude of the primary |
| V2: | 12.76 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 3 | 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 0.181 332.7 ------------------------- 2015.0 0.434 118.5 2016.0 0.410 115.7 2017.0 0.375 112.5 2018.0 0.332 108.5 2019.0 0.282 103.2 2020.0 0.228 95.5 2021.0 0.175 82.9 2022.0 0.130 60.5 2023.0 0.115 25.2 2024.0 0.139 352.6 2025.0 0.181 332.7 2026.0 0.212 320.0 2027.0 0.193 308.6 2028.0 0.077 278.3 2029.0 0.128 150.3 2030.0 0.263 136.1 2031.0 0.353 130.8 2032.0 0.409 127.4 2033.0 0.438 124.6 2034.0 0.448 122.1