| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:14:11 |
| WDS: | COU1962 | WDS ID/Discoverer |
| P: | 20.465 | Orbital period (years) |
| a: | 0.199 | Semi-major axis (arcseconds) |
| i: | 75.4 | Inclination (degrees) |
| Ω: | 116.0 | Longitude of ascending node (degrees) |
| T: | 1999.128 | Epoch of periastron passage (year) |
| e: | 0.516 | Eccentricity |
| ω: | 307.1 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 203107.72+333233.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20311+3333 | WDS designation |
| Discoverer Code: | COU1962 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 101227 | Hipparcos catalog number |
| V1: | 9.03 | Magnitude of the primary |
| V2: | 9.51 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 2 | 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 0.064 211.4 ------------------------- 2015.0 0.229 293.8 2016.0 0.203 296.9 2017.0 0.160 301.5 2018.0 0.095 311.0 2019.0 0.026 28.8 2020.0 0.089 108.6 2021.0 0.120 121.5 2022.0 0.111 132.4 2023.0 0.088 147.6 2024.0 0.067 173.7 2025.0 0.064 211.4 2026.0 0.082 241.3 2027.0 0.111 257.9 2028.0 0.141 267.5 2029.0 0.170 273.8 2030.0 0.196 278.3 2031.0 0.217 281.8 2032.0 0.233 284.7 2033.0 0.243 287.4 2034.0 0.245 289.9