| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:19:34 |
| WDS: | RST5493BC | WDS ID/Discoverer |
| P: | 18.440 | Orbital period (years) |
| a: | 0.134 | Semi-major axis (arcseconds) |
| i: | 92.1 | Inclination (degrees) |
| Ω: | 91.3 | Longitude of ascending node (degrees) |
| T: | 2019.530 | Epoch of periastron passage (year) |
| e: | 0.831 | Eccentricity |
| ω: | 213.6 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 002152.67-230023.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00219-2300 | WDS designation |
| Discoverer Code: | RST5493BC | Discover designation and components |
| ADS number: | 302 | Aitken Double Star catalog |
| HD number: | 1766 | HD catalog number |
| Hipparcos number: | 1732 | Hipparcos catalog number |
| V1: | 9.9 | Magnitude of the primary |
| V2: | 9.9 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | 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 0.204 90.5 ------------------------- 2016.0 0.098 88.1 2017.0 0.065 87.0 2018.0 0.026 82.9 2019.0 0.017 277.2 2020.0 0.033 93.6 2021.0 0.103 91.7 2022.0 0.145 91.2 2023.0 0.173 90.9 2024.0 0.192 90.7 2025.0 0.204 90.5 2026.0 0.210 90.4 2027.0 0.212 90.2 2028.0 0.209 90.0 2029.0 0.202 89.9 2030.0 0.192 89.7 2031.0 0.178 89.5 2032.0 0.159 89.2 2033.0 0.137 88.9