| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:59:04 |
| WDS: | KRS2BA,BB | WDS ID/Discoverer |
| P: | 27.180 | Orbital period (years) |
| a: | 0.08512 | Semi-major axis (arcseconds) |
| i: | 21.1 | Inclination (degrees) |
| Ω: | 94.4 | Longitude of ascending node (degrees) |
| T: | 1996.100 | Epoch of periastron passage (year) |
| e: | 0.551 | Eccentricity |
| ω: | 45.8 | Longitude of periastron (degrees) |
| Start-Year: | 2012.0 | Year |
| End-Year: | 2038.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042159.42+193206.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04220+1932 | WDS designation |
| Discoverer Code: | KRS2BA,BB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 284419B | HD catalog number |
| Hipparcos number: | 20390B | Hipparcos catalog number |
| V1: | 8.2 k | Magnitude of the primary |
| V2: | 8.2 k | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | 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 0.050 217.4 ------------------------- 2012.0 0.123 329.1 2013.0 0.120 334.2 2014.0 0.115 339.6 2015.0 0.110 345.5 2016.0 0.104 352.0 2017.0 0.096 359.5 2018.0 0.088 8.4 2019.0 0.078 19.2 2020.0 0.068 33.1 2021.0 0.057 52.2 2022.0 0.047 80.3 2023.0 0.038 123.3 2024.0 0.039 177.2 2025.0 0.050 217.4 2026.0 0.064 241.2 2027.0 0.077 256.4 2028.0 0.088 267.4 2029.0 0.098 276.0 2030.0 0.106 283.2 2031.0 0.113 289.4 2032.0 0.118 294.9 2033.0 0.122 300.1 2034.0 0.125 304.9 2035.0 0.127 309.6 2036.0 0.128 314.2 2037.0 0.127 318.8