| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:08:08 |
| WDS: | GAMUMA | WDS ID/Discoverer |
| P: | 20.500 | Orbital period (years) |
| a: | 0.46 | Semi-major axis (arcseconds) |
| i: | 51.0 | Inclination (degrees) |
| Ω: | 6.0 | Longitude of ascending node (degrees) |
| T: | 1984.000 | Epoch of periastron passage (year) |
| e: | 0.3 | Eccentricity |
| ω: | 185.0 | Longitude of periastron (degrees) |
| Start-Year: | 2015.0 | Year |
| End-Year: | 2035.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 115349.84+534141.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11538+5342 | WDS designation |
| Discoverer Code: | GAMUMA | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 103287 | HD catalog number |
| Hipparcos number: | 58001 | Hipparcos catalog number |
| V1: | 2.4 | Magnitude of the primary |
| V2: | 6. > | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 9 | 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 0.321 189.2 ------------------------- 2015.0 0.595 10.7 2016.0 0.576 17.2 2017.0 0.539 24.4 2018.0 0.487 32.8 2019.0 0.423 43.6 2020.0 0.353 58.5 2021.0 0.292 80.4 2022.0 0.263 110.2 2023.0 0.278 141.5 2024.0 0.311 167.3 2025.0 0.321 189.2 2026.0 0.293 212.4 2027.0 0.256 242.4 2028.0 0.258 277.5 2029.0 0.310 306.0 2030.0 0.384 324.8 2031.0 0.456 337.5 2032.0 0.517 346.9 2033.0 0.562 354.6 2034.0 0.589 1.3