| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:20:58 |
| WDS: | MCA1AA,AB | WDS ID/Discoverer |
| P: | 27.500 | Orbital period (years) |
| a: | 0.159 | Semi-major axis (arcseconds) |
| i: | 110.8 | Inclination (degrees) |
| Ω: | 105.8 | Longitude of ascending node (degrees) |
| T: | 1989.000 | Epoch of periastron passage (year) |
| e: | 0.81 | Eccentricity |
| ω: | 14.3 | Longitude of periastron (degrees) |
| Start-Year: | 2012.0 | Year |
| End-Year: | 2038.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 003223.75+065719.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00324+0657 | WDS designation |
| Discoverer Code: | MCA1AA,AB | Discover designation and components |
| ADS number: | 449 | Aitken Double Star catalog |
| HD number: | 2913 | HD catalog number |
| Hipparcos number: | 2548 | Hipparcos catalog number |
| V1: | 5.84 | Magnitude of the primary |
| V2: | 7.99 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | 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 0.259 285.4 ------------------------- 2012.0 0.147 267.6 2013.0 0.116 263.6 2014.0 0.081 256.4 2015.0 0.042 236.2 2016.0 0.026 140.9 2017.0 0.017 10.7 2018.0 0.071 305.1 2019.0 0.118 297.0 2020.0 0.155 293.3 2021.0 0.185 290.9 2022.0 0.210 289.1 2023.0 0.230 287.7 2024.0 0.246 286.5 2025.0 0.259 285.4 2026.0 0.268 284.4 2027.0 0.275 283.5 2028.0 0.280 282.6 2029.0 0.281 281.7 2030.0 0.281 280.8 2031.0 0.277 280.0 2032.0 0.272 279.1 2033.0 0.264 278.1 2034.0 0.254 277.1 2035.0 0.241 275.9 2036.0 0.225 274.7 2037.0 0.207 273.2