| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:34:02 |
| WDS: | WNO49BA,BB | WDS ID/Discoverer |
| P: | 20.500 | Orbital period (years) |
| a: | 0.656 | Semi-major axis (arcseconds) |
| i: | 40.0 | Inclination (degrees) |
| Ω: | 167.0 | Longitude of ascending node (degrees) |
| T: | 1971.200 | Epoch of periastron passage (year) |
| e: | 0.18 | Eccentricity |
| ω: | 25.0 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 073047.26+481022.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 07307+4813 | WDS designation |
| Discoverer Code: | WNO49BA,BB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 15.5 | Magnitude of the primary |
| V2: | 15.5 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1980 | Date of last observation |
| Orbit grade: | 5 | 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 0.629 37.1 ------------------------- 2015.0 0.455 259.8 2016.0 0.505 284.9 2017.0 0.579 304.4 2018.0 0.652 319.5 2019.0 0.711 331.7 2020.0 0.749 342.4 2021.0 0.763 352.3 2022.0 0.755 2.1 2023.0 0.727 12.4 2024.0 0.683 23.9 2025.0 0.629 37.1 2026.0 0.576 52.8 2027.0 0.534 71.4 2028.0 0.514 92.3 2029.0 0.519 113.8 2030.0 0.537 134.2 2031.0 0.550 153.4 2032.0 0.540 172.5 2033.0 0.505 193.2 2034.0 0.463 217.6