| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:33:19 |
| WDS: | HU580AB | WDS ID/Discoverer |
| P: | 21.944 | Orbital period (years) |
| a: | 0.21033 | Semi-major axis (arcseconds) |
| i: | 83.608 | Inclination (degrees) |
| Ω: | 69.684 | Longitude of ascending node (degrees) |
| T: | 2007.217 | Epoch of periastron passage (year) |
| e: | 0.0941 | Eccentricity |
| ω: | 80.5 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 154133.09+194013.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15416+1940 | WDS designation |
| Discoverer Code: | HU580AB | Discover designation and components |
| ADS number: | 9744 | Aitken Double Star catalog |
| HD number: | 140159 | HD catalog number |
| Hipparcos number: | 76852 | Hipparcos catalog number |
| V1: | 5.35 | Magnitude of the primary |
| V2: | 5.22 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.205 69.9 ------------------------- 2015.0 0.181 254.3 2016.0 0.146 257.3 2017.0 0.102 262.7 2018.0 0.054 277.2 2019.0 0.026 353.6 2020.0 0.065 47.6 2021.0 0.113 58.5 2022.0 0.154 63.1 2023.0 0.186 65.9 2024.0 0.203 68.0 2025.0 0.205 69.9 2026.0 0.188 71.9 2027.0 0.154 74.7 2028.0 0.105 79.6 2029.0 0.047 96.0 2030.0 0.032 208.1 2031.0 0.089 237.2 2032.0 0.142 243.5 2033.0 0.182 246.5 2034.0 0.206 248.6