| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:56:26 |
| WDS: | DBK1AA,AB | WDS ID/Discoverer |
| P: | 21.616 | Orbital period (years) |
| a: | 0.018600000000000002 | Semi-major axis (arcseconds) |
| i: | 145.4 | Inclination (degrees) |
| Ω: | 213.0 | Longitude of ascending node (degrees) |
| T: | 2008.628 | Epoch of periastron passage (year) |
| e: | 0.479 | Eccentricity |
| ω: | 118.4 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 181805.90-121433.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18181-1215 | WDS designation |
| Discoverer Code: | DBK1AA,AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 167971 | HD catalog number |
| Hipparcos number: | 89681 | Hipparcos catalog number |
| V1: | 7.45 | Magnitude of the primary |
| V2: | . | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 5 | 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 0.022 228.4 ------------------------- 2015.0 0.020 307.9 2016.0 0.021 297.9 2017.0 0.022 288.9 2018.0 0.023 280.6 2019.0 0.024 272.9 2020.0 0.024 265.6 2021.0 0.024 258.5 2022.0 0.024 251.5 2023.0 0.024 244.3 2024.0 0.023 236.7 2025.0 0.022 228.4 2026.0 0.020 218.7 2027.0 0.017 206.5 2028.0 0.014 189.1 2029.0 0.010 159.1 2030.0 0.008 104.6 2031.0 0.010 52.2 2032.0 0.013 20.4 2033.0 0.015 358.5 2034.0 0.016 341.3