| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:28:05 |
| WDS: | YR30 | WDS ID/Discoverer |
| P: | 18.472 | Orbital period (years) |
| a: | 0.087 | Semi-major axis (arcseconds) |
| i: | 43.7 | Inclination (degrees) |
| Ω: | 169.0 | Longitude of ascending node (degrees) |
| T: | 2011.139 | Epoch of periastron passage (year) |
| e: | 0.771 | Eccentricity |
| ω: | 343.2 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 213756.03+210228.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21379+2102 | WDS designation |
| Discoverer Code: | YR30 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 205897 | HD catalog number |
| Hipparcos number: | 106804 | Hipparcos catalog number |
| V1: | 8.9 | Magnitude of the primary |
| V2: | 9.0 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | 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 0.126 352.0 ------------------------- 2016.0 0.118 321.1 2017.0 0.130 325.5 2018.0 0.140 329.2 2019.0 0.146 332.5 2020.0 0.150 335.6 2021.0 0.151 338.5 2022.0 0.150 341.5 2023.0 0.145 344.7 2024.0 0.137 348.0 2025.0 0.126 352.0 2026.0 0.111 356.8 2027.0 0.090 3.5 2028.0 0.063 15.3 2029.0 0.027 54.0 2030.0 0.023 214.5 2031.0 0.046 282.1 2032.0 0.072 302.1 2033.0 0.093 312.1