| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:04:39 |
| WDS: | BU883AB | WDS ID/Discoverer |
| P: | 16.280 | Orbital period (years) |
| a: | 0.188 | Semi-major axis (arcseconds) |
| i: | 17.0 | Inclination (degrees) |
| Ω: | 147.0 | Longitude of ascending node (degrees) |
| T: | 1988.390 | Epoch of periastron passage (year) |
| e: | 0.46 | Eccentricity |
| ω: | 77.0 | Longitude of periastron (degrees) |
| Start-Year: | 2017.0 | Year |
| End-Year: | 2033.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 045112.48+110405.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04512+1104 | WDS designation |
| Discoverer Code: | BU883AB | Discover designation and components |
| ADS number: | 3475 | Aitken Double Star catalog |
| HD number: | 30810 | HD catalog number |
| Hipparcos number: | 22550 | Hipparcos catalog number |
| V1: | 7.75 | Magnitude of the primary |
| V2: | 7.50 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.220 359.5 ------------------------- 2017.0 0.213 89.9 2018.0 0.187 106.5 2019.0 0.154 129.4 2020.0 0.118 165.9 2021.0 0.097 226.9 2022.0 0.120 287.4 2023.0 0.159 322.4 2024.0 0.193 343.9 2025.0 0.220 359.5 2026.0 0.240 12.0 2027.0 0.253 22.9 2028.0 0.261 32.9 2029.0 0.263 42.6 2030.0 0.260 52.2 2031.0 0.252 62.3 2032.0 0.239 73.3