| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:28:28 |
| WDS: | BU1163 | WDS ID/Discoverer |
| P: | 16.080 | Orbital period (years) |
| a: | 0.196 | Semi-major axis (arcseconds) |
| i: | 122.719 | Inclination (degrees) |
| Ω: | 207.453 | Longitude of ascending node (degrees) |
| T: | 1924.569 | Epoch of periastron passage (year) |
| e: | 0.942 | Eccentricity |
| ω: | 167.417 | Longitude of periastron (degrees) |
| Start-Year: | 2017.0 | Year |
| End-Year: | 2033.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 012420.48-065452.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01243-0655 | WDS designation |
| Discoverer Code: | BU1163 | Discover designation and components |
| ADS number: | 1123 | Aitken Double Star catalog |
| HD number: | 8556 | HD catalog number |
| Hipparcos number: | 6564 | Hipparcos catalog number |
| V1: | 6.59 | Magnitude of the primary |
| V2: | 6.98 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 1 | 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 0.299 219.7 ------------------------- 2017.0 0.317 209.4 2018.0 0.279 207.7 2019.0 0.225 205.2 2020.0 0.148 200.7 2021.0 0.010 117.1 2022.0 0.120 231.0 2023.0 0.199 224.7 2024.0 0.256 221.7 2025.0 0.299 219.7 2026.0 0.330 218.1 2027.0 0.353 216.8 2028.0 0.367 215.6 2029.0 0.374 214.4 2030.0 0.373 213.3 2031.0 0.364 212.2 2032.0 0.347 210.9