| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:55:34 |
| WDS: | B2545AB | WDS ID/Discoverer |
| P: | 23.900 | Orbital period (years) |
| a: | 0.062 | Semi-major axis (arcseconds) |
| i: | 37.9 | Inclination (degrees) |
| Ω: | 244.1 | Longitude of ascending node (degrees) |
| T: | 1971.810 | Epoch of periastron passage (year) |
| e: | 0.706 | Eccentricity |
| ω: | 172.1 | Longitude of periastron (degrees) |
| Start-Year: | 2014.0 | Year |
| End-Year: | 2036.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 181145.11+332649.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18118+3327 | WDS designation |
| Discoverer Code: | B2545AB | Discover designation and components |
| ADS number: | 11149 | Aitken Double Star catalog |
| HD number: | 166988 | HD catalog number |
| Hipparcos number: | 89156 | Hipparcos catalog number |
| V1: | 6.5 | Magnitude of the primary |
| V2: | 6.8 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.076 214.0 ------------------------- 2014.0 0.082 259.5 2015.0 0.073 264.9 2016.0 0.062 272.1 2017.0 0.048 282.9 2018.0 0.033 303.3 2019.0 0.019 358.0 2020.0 0.019 94.2 2021.0 0.028 158.0 2022.0 0.042 185.1 2023.0 0.055 198.9 2024.0 0.067 207.6 2025.0 0.076 214.0 2026.0 0.084 219.0 2027.0 0.091 223.1 2028.0 0.097 226.8 2029.0 0.101 230.1 2030.0 0.103 233.2 2031.0 0.105 236.2 2032.0 0.105 239.1 2033.0 0.105 242.1 2034.0 0.103 245.1 2035.0 0.099 248.2