| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:18:46 |
| WDS: | WSI6AB | WDS ID/Discoverer |
| P: | 19.205 | Orbital period (years) |
| a: | 0.2195 | Semi-major axis (arcseconds) |
| i: | 65.1 | Inclination (degrees) |
| Ω: | 102.8 | Longitude of ascending node (degrees) |
| T: | 2006.259 | Epoch of periastron passage (year) |
| e: | 0.1743 | Eccentricity |
| ω: | 17.6 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 210407.38+025940.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21041+0300 | WDS designation |
| Discoverer Code: | WSI6AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 200580 | HD catalog number |
| Hipparcos number: | 103987 | Hipparcos catalog number |
| V1: | 7.5 | Magnitude of the primary |
| V2: | 9.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2016 | Date of last observation |
| Orbit grade: | 3 | 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 0.181 104.9 ------------------------- 2016.0 0.246 291.3 2017.0 0.223 298.0 2018.0 0.188 306.9 2019.0 0.148 320.3 2020.0 0.110 343.8 2021.0 0.094 22.2 2022.0 0.115 58.2 2023.0 0.151 79.8 2024.0 0.177 93.5 2025.0 0.181 104.9 2026.0 0.160 117.6 2027.0 0.120 136.9 2028.0 0.087 174.6 2029.0 0.099 222.5 2030.0 0.144 249.3 2031.0 0.189 263.0 2032.0 0.226 271.7 2033.0 0.248 278.3