| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:35:03 |
| WDS: | HDS3208AA,AB | WDS ID/Discoverer |
| P: | 19.130 | Orbital period (years) |
| a: | 0.174 | Semi-major axis (arcseconds) |
| i: | 70.9 | Inclination (degrees) |
| Ω: | 133.6 | Longitude of ascending node (degrees) |
| T: | 2021.760 | Epoch of periastron passage (year) |
| e: | 0.51 | Eccentricity |
| ω: | 209.3 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 223540.15-280759.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22357-2808 | WDS designation |
| Discoverer Code: | HDS3208AA,AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 213987 | HD catalog number |
| Hipparcos number: | 111520 | Hipparcos catalog number |
| V1: | 10.94 | Magnitude of the primary |
| V2: | 11.23 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | 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 0.154 123.0 ------------------------- 2016.0 0.137 161.9 2017.0 0.101 173.4 2018.0 0.068 197.1 2019.0 0.055 243.9 2020.0 0.074 285.1 2021.0 0.091 307.5 2022.0 0.064 331.9 2023.0 0.039 69.9 2024.0 0.100 112.7 2025.0 0.154 123.0 2026.0 0.194 128.3 2027.0 0.222 132.0 2028.0 0.239 135.0 2029.0 0.246 137.7 2030.0 0.245 140.3 2031.0 0.237 143.1 2032.0 0.222 146.1 2033.0 0.201 149.7