| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:57:06 |
| WDS: | BOY4AA,AB | WDS ID/Discoverer |
| P: | 18.620 | Orbital period (years) |
| a: | 0.12 | Semi-major axis (arcseconds) |
| i: | 35.4 | Inclination (degrees) |
| Ω: | 72.3 | Longitude of ascending node (degrees) |
| T: | 2019.372 | Epoch of periastron passage (year) |
| e: | 0.158 | Eccentricity |
| ω: | 7.0 | Longitude of periastron (degrees) |
| Start-Year: | 2016.0 | Year |
| End-Year: | 2034.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 101707.55+130839.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10171+1309 | WDS designation |
| Discoverer Code: | BOY4AA,AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 17.88 | Magnitude of the primary |
| V2: | 18.65 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2013 | Date of last observation |
| Orbit grade: | 3 | 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 0.116 209.9 ------------------------- 2016.0 0.095 359.5 2017.0 0.096 24.3 2018.0 0.100 47.7 2019.0 0.101 69.9 2020.0 0.099 92.1 2021.0 0.094 116.2 2022.0 0.092 142.5 2023.0 0.095 168.5 2024.0 0.104 191.3 2025.0 0.116 209.9 2026.0 0.127 225.1 2027.0 0.135 238.1 2028.0 0.139 250.1 2029.0 0.138 261.7 2030.0 0.133 273.9 2031.0 0.125 287.3 2032.0 0.114 303.0 2033.0 0.104 321.9