| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:54:49 |
| WDS: | CHR67AA,AB | WDS ID/Discoverer |
| P: | 16.579 | Orbital period (years) |
| a: | 0.177 | Semi-major axis (arcseconds) |
| i: | 37.3 | Inclination (degrees) |
| Ω: | 33.3 | Longitude of ascending node (degrees) |
| T: | 1986.411 | Epoch of periastron passage (year) |
| e: | 0.933 | Eccentricity |
| ω: | 107.2 | Longitude of periastron (degrees) |
| Start-Year: | 2017.0 | Year |
| End-Year: | 2033.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 180749.56+260604.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18078+2606 | WDS designation |
| Discoverer Code: | CHR67AA,AB | Discover designation and components |
| ADS number: | 11089 | Aitken Double Star catalog |
| HD number: | 166045 | HD catalog number |
| Hipparcos number: | 88818 | Hipparcos catalog number |
| V1: | 5.9 | Magnitude of the primary |
| V2: | 8.8 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | 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 0.254 316.9 ------------------------- 2017.0 0.194 342.4 2018.0 0.150 349.0 2019.0 0.082 4.0 2020.0 0.061 272.2 2021.0 0.128 295.7 2022.0 0.174 304.3 2023.0 0.208 309.7 2024.0 0.234 313.6 2025.0 0.254 316.9 2026.0 0.267 319.8 2027.0 0.276 322.4 2028.0 0.279 324.9 2029.0 0.278 327.4 2030.0 0.271 330.0 2031.0 0.258 332.8 2032.0 0.239 335.9