| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:59:48 |
| WDS: | CHR77CA,CB | WDS ID/Discoverer |
| P: | 15.750 | Orbital period (years) |
| a: | 0.191 | Semi-major axis (arcseconds) |
| i: | 109.9 | Inclination (degrees) |
| Ω: | 42.4 | Longitude of ascending node (degrees) |
| T: | 2008.940 | Epoch of periastron passage (year) |
| e: | 0.411 | Eccentricity |
| ω: | 127.2 | Longitude of periastron (degrees) |
| Start-Year: | 2018.0 | Year |
| End-Year: | 2032.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 184422.78+393645.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18443+3940 | WDS designation |
| Discoverer Code: | CHR77CA,CB | Discover designation and components |
| ADS number: | 11635 | Aitken Double Star catalog |
| HD number: | 173607 | HD catalog number |
| Hipparcos number: | 91926 | Hipparcos catalog number |
| V1: | 5.25 | Magnitude of the primary |
| V2: | . | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2005 | Date of last observation |
| Orbit grade: | 4 | 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 0.097 235.5 ------------------------- 2018.0 0.211 58.5 2019.0 0.226 53.1 2020.0 0.229 48.2 2021.0 0.214 42.9 2022.0 0.176 36.2 2023.0 0.112 23.6 2024.0 0.041 319.3 2025.0 0.097 235.5 2026.0 0.133 217.1 2027.0 0.123 201.9 2028.0 0.097 180.3 2029.0 0.080 145.1 2030.0 0.092 107.8 2031.0 0.124 84.7