| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:38:06 |
| WDS: | COU542AA,AB | WDS ID/Discoverer |
| P: | 30.950 | Orbital period (years) |
| a: | 0.182 | Semi-major axis (arcseconds) |
| i: | 21.7 | Inclination (degrees) |
| Ω: | 19.8 | Longitude of ascending node (degrees) |
| T: | 1987.560 | Epoch of periastron passage (year) |
| e: | 0.391 | Eccentricity |
| ω: | 174.9 | Longitude of periastron (degrees) |
| Start-Year: | 2010.0 | Year |
| End-Year: | 2040.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 225702.47+244055.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22570+2441 | WDS designation |
| Discoverer Code: | COU542AA,AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 216963 | HD catalog number |
| Hipparcos number: | 113323 | Hipparcos catalog number |
| V1: | 9.29 | Magnitude of the primary |
| V2: | 9.93 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.180 316.3 ------------------------- 2010.0 0.211 55.5 2011.0 0.197 63.5 2012.0 0.183 72.6 2013.0 0.167 83.3 2014.0 0.151 96.4 2015.0 0.136 112.3 2016.0 0.124 132.0 2017.0 0.115 155.3 2018.0 0.111 181.4 2019.0 0.112 208.1 2020.0 0.116 233.7 2021.0 0.125 256.5 2022.0 0.137 276.0 2023.0 0.151 292.0 2024.0 0.166 305.2 2025.0 0.180 316.3 2026.0 0.195 325.6 2027.0 0.208 333.8 2028.0 0.219 341.0 2029.0 0.229 347.6 2030.0 0.237 353.6 2031.0 0.244 359.3 2032.0 0.249 4.7 2033.0 0.252 10.0 2034.0 0.253 15.1 2035.0 0.252 20.3 2036.0 0.250 25.5 2037.0 0.246 30.9 2038.0 0.239 36.5 2039.0 0.231 42.4