| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:57:43 |
| WDS: | CHR71 | WDS ID/Discoverer |
| P: | 19.827 | Orbital period (years) |
| a: | 0.069 | Semi-major axis (arcseconds) |
| i: | 138.9 | Inclination (degrees) |
| Ω: | 125.7 | Longitude of ascending node (degrees) |
| T: | 2018.705 | Epoch of periastron passage (year) |
| e: | 0.224 | Eccentricity |
| ω: | 34.8 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 182758.77+061139.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18280+0612 | WDS designation |
| Discoverer Code: | CHR71 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 170200 | HD catalog number |
| Hipparcos number: | 90497 | Hipparcos catalog number |
| V1: | 6.5 | Magnitude of the primary |
| V2: | 6.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 2 | 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 0.077 313.6 ------------------------- 2016.0 0.056 155.6 2017.0 0.056 135.7 2018.0 0.053 114.9 2019.0 0.048 90.2 2020.0 0.043 59.2 2021.0 0.045 25.8 2022.0 0.053 358.7 2023.0 0.062 339.4 2024.0 0.071 325.1 2025.0 0.077 313.6 2026.0 0.081 303.5 2027.0 0.082 293.9 2028.0 0.080 284.3 2029.0 0.077 274.0 2030.0 0.072 262.5 2031.0 0.066 249.1 2032.0 0.060 233.1 2033.0 0.056 214.4