| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:04:31 |
| WDS: | I879 | WDS ID/Discoverer |
| P: | 39.000 | Orbital period (years) |
| a: | 0.2263 | Semi-major axis (arcseconds) |
| i: | 19.4 | Inclination (degrees) |
| Ω: | 327.8 | Longitude of ascending node (degrees) |
| T: | 2010.410 | Epoch of periastron passage (year) |
| e: | 0.853 | Eccentricity |
| ω: | 340.3 | Longitude of periastron (degrees) |
| Start-Year: | 2006.0 | Year |
| End-Year: | 2044.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 112100.40-542927.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11210-5429 | WDS designation |
| Discoverer Code: | I879 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 98718 | HD catalog number |
| Hipparcos number: | 55425 | Hipparcos catalog number |
| V1: | 4.08 | Magnitude of the primary |
| V2: | 5.65 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | Date of last observation |
| Orbit grade: | 3 | 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 0.397 122.3 ------------------------- 2006.0 0.224 159.1 2007.0 0.190 164.5 2008.0 0.150 172.6 2009.0 0.102 187.6 2010.0 0.045 237.8 2011.0 0.056 33.1 2012.0 0.108 71.4 2013.0 0.152 85.5 2014.0 0.190 93.5 2015.0 0.223 98.9 2016.0 0.251 103.1 2017.0 0.277 106.4 2018.0 0.299 109.2 2019.0 0.319 111.6 2020.0 0.337 113.8 2021.0 0.353 115.8 2022.0 0.366 117.6 2023.0 0.378 119.2 2024.0 0.388 120.8 2025.0 0.397 122.3 2026.0 0.404 123.8 2027.0 0.409 125.2 2028.0 0.413 126.6 2029.0 0.416 127.9 2030.0 0.417 129.3 2031.0 0.416 130.6 2032.0 0.414 131.9 2033.0 0.411 133.3 2034.0 0.406 134.7 2035.0 0.399 136.1 2036.0 0.391 137.6 2037.0 0.381 139.2 2038.0 0.369 140.9 2039.0 0.356 142.6 2040.0 0.340 144.5 2041.0 0.323 146.7 2042.0 0.303 149.0 2043.0 0.280 151.8