| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:02:12 |
| WDS: | HDO150AB | WDS ID/Discoverer |
| P: | 21.000 | Orbital period (years) |
| a: | 0.489 | Semi-major axis (arcseconds) |
| i: | 111.1 | Inclination (degrees) |
| Ω: | 74.0 | Longitude of ascending node (degrees) |
| T: | 2005.990 | Epoch of periastron passage (year) |
| e: | 0.211 | Eccentricity |
| ω: | 7.2 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 190236.72-295248.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19026-2953 | WDS designation |
| Discoverer Code: | HDO150AB | Discover designation and components |
| ADS number: | 11950 | Aitken Double Star catalog |
| HD number: | 176687 | HD catalog number |
| Hipparcos number: | 93506 | Hipparcos catalog number |
| V1: | 3.27 | Magnitude of the primary |
| V2: | 3.48 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2011 | 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 0.314 93.1 ------------------------- 2015.0 0.578 257.6 2016.0 0.591 253.4 2017.0 0.578 249.2 2018.0 0.539 244.6 2019.0 0.476 239.1 2020.0 0.393 231.4 2021.0 0.296 219.0 2022.0 0.206 195.1 2023.0 0.174 151.3 2024.0 0.230 113.0 2025.0 0.314 93.1 2026.0 0.374 81.1 2027.0 0.383 71.3 2028.0 0.335 60.3 2029.0 0.249 43.3 2030.0 0.172 8.1 2031.0 0.187 317.7 2032.0 0.279 289.3 2033.0 0.382 275.8 2034.0 0.471 267.9