| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:09:56 |
| WDS: | HO581 | WDS ID/Discoverer |
| P: | 25.630 | Orbital period (years) |
| a: | 0.2587 | Semi-major axis (arcseconds) |
| i: | 31.1 | Inclination (degrees) |
| Ω: | 45.7 | Longitude of ascending node (degrees) |
| T: | 1988.100 | Epoch of periastron passage (year) |
| e: | 0.502 | Eccentricity |
| ω: | 233.8 | Longitude of periastron (degrees) |
| Start-Year: | 2013.0 | Year |
| End-Year: | 2037.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 195458.40+415217.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19550+4152 | WDS designation |
| Discoverer Code: | HO581 | Discover designation and components |
| ADS number: | 13125 | Aitken Double Star catalog |
| HD number: | 188753 | HD catalog number |
| Hipparcos number: | 98001 | Hipparcos catalog number |
| V1: | 8.03 | Magnitude of the primary |
| V2: | 8.72 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | 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 0.357 86.7 ------------------------- 2013.0 0.135 242.5 2014.0 0.114 289.3 2015.0 0.132 338.2 2016.0 0.174 8.8 2017.0 0.218 27.1 2018.0 0.255 39.6 2019.0 0.286 49.1 2020.0 0.310 56.9 2021.0 0.328 63.7 2022.0 0.342 69.9 2023.0 0.351 75.7 2024.0 0.356 81.2 2025.0 0.357 86.7 2026.0 0.356 92.2 2027.0 0.351 97.7 2028.0 0.343 103.5 2029.0 0.332 109.6 2030.0 0.320 116.2 2031.0 0.305 123.3 2032.0 0.288 131.2 2033.0 0.269 140.2 2034.0 0.249 150.6 2035.0 0.228 162.8 2036.0 0.205 177.7