| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:15:16 |
| WDS: | WCK2AA,AB | WDS ID/Discoverer |
| P: | 16.907 | Orbital period (years) |
| a: | 0.15809800000000002 | Semi-major axis (arcseconds) |
| i: | 161.01 | Inclination (degrees) |
| Ω: | 120.62 | Longitude of ascending node (degrees) |
| T: | 2017.645 | Epoch of periastron passage (year) |
| e: | 0.4615 | Eccentricity |
| ω: | 271.73 | Longitude of periastron (degrees) |
| Start-Year: | 2017.0 | Year |
| End-Year: | 2033.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203938.25+155443.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20396+1555 | WDS designation |
| Discoverer Code: | WCK2AA,AB | Discover designation and components |
| ADS number: | 14121 | Aitken Double Star catalog |
| HD number: | 196867 | HD catalog number |
| Hipparcos number: | 101958 | Hipparcos catalog number |
| V1: | 3.86 | Magnitude of the primary |
| V2: | 6.43 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | Date of last observation |
| Orbit grade: | 1 | 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 0.216 39.1 ------------------------- 2017.0 0.089 250.3 2018.0 0.083 184.9 2019.0 0.110 134.7 2020.0 0.140 105.6 2021.0 0.165 86.3 2022.0 0.184 71.7 2023.0 0.199 59.6 2024.0 0.210 49.0 2025.0 0.216 39.1 2026.0 0.218 29.7 2027.0 0.217 20.3 2028.0 0.212 10.6 2029.0 0.202 0.2 2030.0 0.188 348.6 2031.0 0.170 334.7 2032.0 0.145 316.7