| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:03:20 |
| WDS: | HDS602 | WDS ID/Discoverer |
| P: | 28.017 | Orbital period (years) |
| a: | 0.31 | Semi-major axis (arcseconds) |
| i: | 118.1 | Inclination (degrees) |
| Ω: | 174.8 | Longitude of ascending node (degrees) |
| T: | 2021.799 | Epoch of periastron passage (year) |
| e: | 0.698 | Eccentricity |
| ω: | 81.8 | Longitude of periastron (degrees) |
| Start-Year: | 2011.0 | Year |
| End-Year: | 2039.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 044001.28-310432.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04400-3105 | WDS designation |
| Discoverer Code: | HDS602 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 21733 | Hipparcos catalog number |
| V1: | 11.60 | Magnitude of the primary |
| V2: | 12.45 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 3 | 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 0.248 340.2 ------------------------- 2011.0 0.239 259.9 2012.0 0.236 252.5 2013.0 0.234 245.0 2014.0 0.232 237.3 2015.0 0.231 229.6 2016.0 0.230 221.8 2017.0 0.227 213.8 2018.0 0.221 205.5 2019.0 0.207 196.5 2020.0 0.180 185.5 2021.0 0.120 167.2 2022.0 0.048 61.0 2023.0 0.147 1.0 2024.0 0.211 348.1 2025.0 0.248 340.2 2026.0 0.271 334.1 2027.0 0.283 328.7 2028.0 0.290 323.6 2029.0 0.292 318.7 2030.0 0.291 313.8 2031.0 0.287 308.8 2032.0 0.282 303.7 2033.0 0.276 298.3 2034.0 0.269 292.7 2035.0 0.262 286.8 2036.0 0.255 280.6 2037.0 0.249 274.0 2038.0 0.244 267.2