| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:33:51 |
| WDS: | HEL5BA,BB | WDS ID/Discoverer |
| P: | 20.960 | Orbital period (years) |
| a: | 0.318 | Semi-major axis (arcseconds) |
| i: | 160.4 | Inclination (degrees) |
| Ω: | 245.27 | Longitude of ascending node (degrees) |
| T: | 2002.188 | Epoch of periastron passage (year) |
| e: | 0.3781 | Eccentricity |
| ω: | 350.22 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 021254.96+404007.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02132+4030 | WDS designation |
| Discoverer Code: | HEL5BA,BB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 13507 | HD catalog number |
| Hipparcos number: | 10321 | Hipparcos catalog number |
| V1: | 5.6 | Magnitude of the primary |
| V2: | 9.4 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 0.228 189.7 ------------------------- 2015.0 0.422 55.6 2016.0 0.404 46.8 2017.0 0.379 36.9 2018.0 0.348 25.5 2019.0 0.311 11.5 2020.0 0.272 353.6 2021.0 0.234 329.7 2022.0 0.207 298.0 2023.0 0.197 260.3 2024.0 0.205 222.4 2025.0 0.228 189.7 2026.0 0.260 164.0 2027.0 0.296 144.3 2028.0 0.331 128.8 2029.0 0.363 116.3 2030.0 0.390 105.6 2031.0 0.412 96.2 2032.0 0.427 87.6 2033.0 0.435 79.5 2034.0 0.438 71.6