| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:32:33 |
| WDS: | CHR187 | WDS ID/Discoverer |
| P: | 19.310 | Orbital period (years) |
| a: | 0.168 | Semi-major axis (arcseconds) |
| i: | 68.3 | Inclination (degrees) |
| Ω: | 77.1 | Longitude of ascending node (degrees) |
| T: | 1991.670 | Epoch of periastron passage (year) |
| e: | 0.0 | Eccentricity |
| ω: | 0.0 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 221536.88-412048.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22156-4121 | WDS designation |
| Discoverer Code: | CHR187 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 211088 | HD catalog number |
| Hipparcos number: | 109908 | Hipparcos catalog number |
| V1: | 6.68 | Magnitude of the primary |
| V2: | 5.20 | Magnitude of the secondary |
| Equinox: | 2000 | 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 0.066 324.8 ------------------------- 2016.0 0.063 176.7 2017.0 0.086 215.0 2018.0 0.120 234.0 2019.0 0.148 244.8 2020.0 0.165 252.7 2021.0 0.167 259.6 2022.0 0.154 267.1 2023.0 0.128 276.8 2024.0 0.095 292.8 2025.0 0.066 324.8 2026.0 0.068 12.6 2027.0 0.097 43.0 2028.0 0.130 58.3 2029.0 0.155 67.7 2030.0 0.167 75.1 2031.0 0.164 82.1 2032.0 0.146 90.1 2033.0 0.117 101.3