| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:02:41 |
| WDS: | HDS1590 | WDS ID/Discoverer |
| P: | 20.610 | Orbital period (years) |
| a: | 0.1613 | Semi-major axis (arcseconds) |
| i: | 120.7 | Inclination (degrees) |
| Ω: | 254.7 | Longitude of ascending node (degrees) |
| T: | 1995.616 | Epoch of periastron passage (year) |
| e: | 0.783 | Eccentricity |
| ω: | 74.6 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 111011.93-112135.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11102-1122 | WDS designation |
| Discoverer Code: | HDS1590 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 97038 | HD catalog number |
| Hipparcos number: | 54580 | Hipparcos catalog number |
| V1: | 8.43 | Magnitude of the primary |
| V2: | 8.78 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.168 21.2 ------------------------- 2015.0 0.080 280.6 2016.0 0.037 239.8 2017.0 0.073 77.2 2018.0 0.118 61.3 2019.0 0.143 52.9 2020.0 0.158 46.5 2021.0 0.166 41.0 2022.0 0.171 36.0 2023.0 0.172 31.1 2024.0 0.171 26.2 2025.0 0.168 21.2 2026.0 0.164 16.0 2027.0 0.158 10.4 2028.0 0.151 4.4 2029.0 0.144 357.7 2030.0 0.136 350.3 2031.0 0.127 342.0 2032.0 0.119 332.4 2033.0 0.110 321.4 2034.0 0.101 308.5