| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:54:21 |
| WDS: | STF2272AB | WDS ID/Discoverer |
| P: | 88.398 | Orbital period (years) |
| a: | 4.55038 | Semi-major axis (arcseconds) |
| i: | 120.892 | Inclination (degrees) |
| Ω: | 121.692 | Longitude of ascending node (degrees) |
| T: | 1895.822 | Epoch of periastron passage (year) |
| e: | 0.49803 | Eccentricity |
| ω: | 193.376 | Longitude of periastron (degrees) |
| Start-Year: | 1981.0 | Year |
| End-Year: | 2069.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 180527.37+022959.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18055+0230 | WDS designation |
| Discoverer Code: | STF2272AB | Discover designation and components |
| ADS number: | 11046 | Aitken Double Star catalog |
| HD number: | 165341 | HD catalog number |
| Hipparcos number: | 88601 | Hipparcos catalog number |
| V1: | 4.22 | Magnitude of the primary |
| V2: | 6.17 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 1 | 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 6.738 117.6 ------------------------- 1981.0 2.275 317.6 1982.0 2.317 310.5 1983.0 2.314 303.5 1984.0 2.258 296.4 1985.0 2.150 288.7 1986.0 2.002 280.0 1987.0 1.835 269.7 1988.0 1.678 257.5 1989.0 1.565 243.1 1990.0 1.526 227.3 1991.0 1.576 211.5 1992.0 1.709 197.5 1993.0 1.903 185.9 1994.0 2.138 176.6 1995.0 2.396 169.3 1996.0 2.665 163.4 1997.0 2.937 158.6 1998.0 3.207 154.6 1999.0 3.471 151.3 2000.0 3.727 148.4 2001.0 3.974 145.8 2002.0 4.211 143.6 2003.0 4.437 141.6 2004.0 4.652 139.8 2005.0 4.856 138.1 2006.0 5.049 136.6 2007.0 5.231 135.2 2008.0 5.402 133.8 2009.0 5.562 132.6 2010.0 5.711 131.4 2011.0 5.849 130.3 2012.0 5.977 129.2 2013.0 6.094 128.2 2014.0 6.201 127.2 2015.0 6.298 126.2 2016.0 6.385 125.3 2017.0 6.462 124.4 2018.0 6.529 123.5 2019.0 6.587 122.6 2020.0 6.635 121.8 2021.0 6.674 120.9 2022.0 6.704 120.1 2023.0 6.724 119.2 2024.0 6.736 118.4 2025.0 6.738 117.6 2026.0 6.732 116.7 2027.0 6.717 115.9 2028.0 6.693 115.1 2029.0 6.661 114.2 2030.0 6.620 113.4 2031.0 6.571 112.5 2032.0 6.513 111.7 2033.0 6.447 110.8 2034.0 6.372 109.8 2035.0 6.289 108.9 2036.0 6.198 107.9 2037.0 6.099 107.0 2038.0 5.992 105.9 2039.0 5.877 104.9 2040.0 5.754 103.7 2041.0 5.623 102.6 2042.0 5.484 101.4 2043.0 5.337 100.1 2044.0 5.183 98.7 2045.0 5.022 97.3 2046.0 4.854 95.7 2047.0 4.679 94.1 2048.0 4.497 92.3 2049.0 4.309 90.4 2050.0 4.115 88.3 2051.0 3.917 85.9 2052.0 3.714 83.3 2053.0 3.508 80.5 2054.0 3.300 77.2 2055.0 3.093 73.5 2056.0 2.887 69.3 2057.0 2.688 64.5 2058.0 2.497 58.9 2059.0 2.321 52.4 2060.0 2.165 44.9 2061.0 2.037 36.4 2062.0 1.945 26.9 2063.0 1.893 16.7 2064.0 1.884 6.1 2065.0 1.917 355.7 2066.0 1.983 345.8 2067.0 2.070 336.6 2068.0 2.164 328.2