| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:21:16 |
| WDS: | A617 | WDS ID/Discoverer |
| P: | 6.058 | Orbital period (years) |
| a: | 0.099 | Semi-major axis (arcseconds) |
| i: | 126.9 | Inclination (degrees) |
| Ω: | 278.2 | Longitude of ascending node (degrees) |
| T: | 1991.838 | Epoch of periastron passage (year) |
| e: | 0.8 | Eccentricity |
| ω: | 9.9 | Longitude of periastron (degrees) |
| Start-Year: | 2022.0 | Year |
| End-Year: | 2028.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 212121.56+101956.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 21214+1020 | WDS designation |
| Discoverer Code: | A617 | Discover designation and components |
| ADS number: | 14893 | Aitken Double Star catalog |
| HD number: | 203345 | HD catalog number |
| Hipparcos number: | 105431 | Hipparcos catalog number |
| V1: | 7.5 | Magnitude of the primary |
| V2: | 7.5 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | 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 0.177 93.3 ------------------------- 2022.0 0.021 338.2 2023.0 0.104 112.4 2024.0 0.160 100.5 2025.0 0.177 93.3 2026.0 0.163 86.2 2027.0 0.115 75.5