| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:37:17 |
| WDS: | A1928 | WDS ID/Discoverer |
| P: | 17.920 | Orbital period (years) |
| a: | 0.138 | Semi-major axis (arcseconds) |
| i: | 45.1 | Inclination (degrees) |
| Ω: | 58.9 | Longitude of ascending node (degrees) |
| T: | 2009.170 | Epoch of periastron passage (year) |
| e: | 0.463 | Eccentricity |
| ω: | 354.1 | Longitude of periastron (degrees) |
| Start-Year: | 2017.0 | Year |
| End-Year: | 2033.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 023951.75+000848.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02399+0009 | WDS designation |
| Discoverer Code: | A1928 | Discover designation and components |
| ADS number: | 2028 | Aitken Double Star catalog |
| HD number: | 16619 | HD catalog number |
| Hipparcos number: | 12421 | Hipparcos catalog number |
| V1: | 8.6 | Magnitude of the primary |
| V2: | 8.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | 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 0.080 314.6 ------------------------- 2017.0 0.196 227.9 2018.0 0.201 234.0 2019.0 0.200 239.9 2020.0 0.194 246.0 2021.0 0.181 252.8 2022.0 0.163 260.8 2023.0 0.138 271.4 2024.0 0.109 287.1 2025.0 0.080 314.6 2026.0 0.067 1.6 2027.0 0.073 50.8 2028.0 0.073 94.7 2029.0 0.077 139.5 2030.0 0.097 172.4 2031.0 0.124 192.2 2032.0 0.149 205.1