| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:51:46 |
| WDS: | RAO11BA,BB | WDS ID/Discoverer |
| P: | 31.460 | Orbital period (years) |
| a: | 0.294 | Semi-major axis (arcseconds) |
| i: | 103.1 | Inclination (degrees) |
| Ω: | 63.0 | Longitude of ascending node (degrees) |
| T: | 2015.180 | Epoch of periastron passage (year) |
| e: | 0.395 | Eccentricity |
| ω: | 18.8 | Longitude of periastron (degrees) |
| Start-Year: | 2010.0 | Year |
| End-Year: | 2040.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 033031.22+200555.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03305+2006 | WDS designation |
| Discoverer Code: | RAO11BA,BB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 21663 | HD catalog number |
| Hipparcos number: | 16329 | Hipparcos catalog number |
| V1: | 10.2 | Magnitude of the primary |
| V2: | 11. | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.356 246.6 ------------------------- 2010.0 0.065 138.2 2011.0 0.090 100.6 2012.0 0.129 82.8 2013.0 0.163 73.1 2014.0 0.181 66.2 2015.0 0.173 59.9 2016.0 0.138 51.5 2017.0 0.086 34.3 2018.0 0.050 338.5 2019.0 0.085 281.6 2020.0 0.143 264.6 2021.0 0.200 257.4 2022.0 0.249 253.3 2023.0 0.292 250.5 2024.0 0.327 248.4 2025.0 0.356 246.6 2026.0 0.377 245.1 2027.0 0.391 243.7 2028.0 0.400 242.4 2029.0 0.402 241.1 2030.0 0.398 239.8 2031.0 0.388 238.5 2032.0 0.373 237.0 2033.0 0.353 235.5 2034.0 0.328 233.7 2035.0 0.297 231.6 2036.0 0.263 229.0 2037.0 0.224 225.5 2038.0 0.181 220.4 2039.0 0.137 212.1