| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:30:17 |
| WDS: | HDO296AB | WDS ID/Discoverer |
| P: | 27.940 | Orbital period (years) |
| a: | 0.276 | Semi-major axis (arcseconds) |
| i: | 83.2 | Inclination (degrees) |
| Ω: | 282.0 | Longitude of ascending node (degrees) |
| T: | 1997.590 | Epoch of periastron passage (year) |
| e: | 0.42 | Eccentricity |
| ω: | 41.4 | Longitude of periastron (degrees) |
| Start-Year: | 2012.0 | Year |
| End-Year: | 2038.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 215511.34-615311.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21552-6153 | WDS designation |
| Discoverer Code: | HDO296AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 207964 | HD catalog number |
| Hipparcos number: | 108195 | Hipparcos catalog number |
| V1: | 6.6 | Magnitude of the primary |
| V2: | 6.8 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 2 | 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 0.150 284.9 ------------------------- 2012.0 0.284 108.5 2013.0 0.254 110.0 2014.0 0.219 111.9 2015.0 0.180 114.5 2016.0 0.139 118.7 2017.0 0.096 126.6 2018.0 0.055 147.0 2019.0 0.038 207.7 2020.0 0.068 252.7 2021.0 0.109 267.0 2022.0 0.146 273.6 2023.0 0.172 277.7 2024.0 0.177 281.1 2025.0 0.150 284.9 2026.0 0.088 292.6 2027.0 0.021 4.1 2028.0 0.085 87.2 2029.0 0.159 94.8 2030.0 0.220 97.8 2031.0 0.268 99.6 2032.0 0.304 100.8 2033.0 0.330 101.9 2034.0 0.345 102.8 2035.0 0.352 103.7 2036.0 0.351 104.5 2037.0 0.343 105.4