| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:24:29 |
| WDS: | B1418 | WDS ID/Discoverer |
| P: | 19.820 | Orbital period (years) |
| a: | 0.227 | Semi-major axis (arcseconds) |
| i: | 85.8 | Inclination (degrees) |
| Ω: | 279.8 | Longitude of ascending node (degrees) |
| T: | 2015.440 | Epoch of periastron passage (year) |
| e: | 0.404 | Eccentricity |
| ω: | 323.3 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 005655.38-515232.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00569-5153 | WDS designation |
| Discoverer Code: | B1418 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 5578 | HD catalog number |
| Hipparcos number: | 4448 | Hipparcos catalog number |
| V1: | 9.77 | Magnitude of the primary |
| V2: | 10.02 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 2 | 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 0.246 96.3 ------------------------- 2016.0 0.137 279.0 2017.0 0.143 282.0 2018.0 0.110 285.8 2019.0 0.060 295.2 2020.0 0.018 14.1 2021.0 0.063 81.8 2022.0 0.118 90.2 2023.0 0.167 93.3 2024.0 0.210 95.1 2025.0 0.246 96.3 2026.0 0.272 97.3 2027.0 0.288 98.1 2028.0 0.294 98.8 2029.0 0.287 99.5 2030.0 0.265 100.3 2031.0 0.228 101.4 2032.0 0.172 102.9 2033.0 0.096 106.7