| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:37:45 |
| WDS: | HDS351 | WDS ID/Discoverer |
| P: | 28.210 | Orbital period (years) |
| a: | 0.168 | Semi-major axis (arcseconds) |
| i: | 87.7 | Inclination (degrees) |
| Ω: | 204.2 | Longitude of ascending node (degrees) |
| T: | 1993.610 | Epoch of periastron passage (year) |
| e: | 0.674 | Eccentricity |
| ω: | 150.8 | Longitude of periastron (degrees) |
| Start-Year: | 2011.0 | Year |
| End-Year: | 2039.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 024130.12-150601.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02415-1506 | WDS designation |
| Discoverer Code: | HDS351 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 16826 | HD catalog number |
| Hipparcos number: | 12554 | Hipparcos catalog number |
| V1: | 7.77 | Magnitude of the primary |
| V2: | 8.65 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.012 174.2 ------------------------- 2011.0 0.257 203.5 2012.0 0.255 203.6 2013.0 0.249 203.8 2014.0 0.239 204.0 2015.0 0.225 204.2 2016.0 0.207 204.4 2017.0 0.183 204.7 2018.0 0.152 205.1 2019.0 0.114 205.7 2020.0 0.064 207.1 2021.0 0.003 276.0 2022.0 0.054 23.7 2023.0 0.053 26.9 2024.0 0.024 35.0 2025.0 0.012 174.2 2026.0 0.044 195.4 2027.0 0.075 198.7 2028.0 0.104 200.0 2029.0 0.130 200.8 2030.0 0.154 201.4 2031.0 0.176 201.8 2032.0 0.195 202.1 2033.0 0.211 202.3 2034.0 0.225 202.5 2035.0 0.237 202.7 2036.0 0.246 202.9 2037.0 0.253 203.1 2038.0 0.257 203.3