| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:45:52 |
| WDS: | CHR182 | WDS ID/Discoverer |
| P: | 28.210 | Orbital period (years) |
| a: | 0.229 | Semi-major axis (arcseconds) |
| i: | 89.2 | Inclination (degrees) |
| Ω: | 54.4 | Longitude of ascending node (degrees) |
| T: | 1995.290 | Epoch of periastron passage (year) |
| e: | 0.4 | Eccentricity |
| ω: | 47.0 | Longitude of periastron (degrees) |
| Start-Year: | 2011.0 | Year |
| End-Year: | 2039.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 172200.58-245958.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17220-2500 | WDS designation |
| Discoverer Code: | CHR182 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 157056 | HD catalog number |
| Hipparcos number: | 84970 | Hipparcos catalog number |
| V1: | 3.4 | Magnitude of the primary |
| V2: | 6.2 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2021 | 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 0.008 218.5 ------------------------- 2011.0 0.175 235.6 2012.0 0.143 236.0 2013.0 0.108 236.5 2014.0 0.072 237.6 2015.0 0.033 241.2 2016.0 0.007 22.6 2017.0 0.045 50.0 2018.0 0.082 52.3 2019.0 0.116 53.2 2020.0 0.142 53.7 2021.0 0.156 54.1 2022.0 0.150 54.4 2023.0 0.119 54.9 2024.0 0.063 56.0 2025.0 0.008 218.5 2026.0 0.077 232.8 2027.0 0.137 233.6 2028.0 0.187 234.0 2029.0 0.224 234.2 2030.0 0.251 234.3 2031.0 0.269 234.4 2032.0 0.279 234.6 2033.0 0.281 234.7 2034.0 0.277 234.8 2035.0 0.268 234.9 2036.0 0.252 235.0 2037.0 0.233 235.2 2038.0 0.209 235.3