| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:52:05 |
| WDS: | COU1688AB | WDS ID/Discoverer |
| P: | 9.150 | Orbital period (years) |
| a: | 0.144 | Semi-major axis (arcseconds) |
| i: | 43.7 | Inclination (degrees) |
| Ω: | 26.5 | Longitude of ascending node (degrees) |
| T: | 1987.020 | Epoch of periastron passage (year) |
| e: | 0.08 | Eccentricity |
| ω: | 303.9 | Longitude of periastron (degrees) |
| Start-Year: | 2021.0 | Year |
| End-Year: | 2029.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 033205.10+434011.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03321+4340 | WDS designation |
| Discoverer Code: | COU1688AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 21727 | HD catalog number |
| Hipparcos number: | 16467 | Hipparcos catalog number |
| V1: | 8.56 | Magnitude of the primary |
| V2: | 8.9 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1986 | 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 0.138 30.9 ------------------------- 2021.0 0.146 215.3 2022.0 0.117 248.9 2023.0 0.097 303.9 2024.0 0.120 356.6 2025.0 0.138 30.9 2026.0 0.126 63.9 2027.0 0.111 107.1 2028.0 0.123 152.1