| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:41:38 |
| WDS: | ST8AB | WDS ID/Discoverer |
| P: | 123.760 | Orbital period (years) |
| a: | 2.664 | Semi-major axis (arcseconds) |
| i: | 106.5 | Inclination (degrees) |
| Ω: | 180.5 | Longitude of ascending node (degrees) |
| T: | 1925.360 | Epoch of periastron passage (year) |
| e: | 0.617 | Eccentricity |
| ω: | 260.5 | Longitude of periastron (degrees) |
| Start-Year: | 1964.0 | Year |
| End-Year: | 2086.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 084244.52+093324.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08427+0935 | WDS designation |
| Discoverer Code: | ST8AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 42748 | Hipparcos catalog number |
| V1: | 9.7 | Magnitude of the primary |
| V2: | 13.2 | Magnitude of the secondary |
| Equinox: | 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 1.783 25.1 ------------------------- 1964.0 2.217 155.5 1965.0 2.187 154.6 1966.0 2.156 153.6 1967.0 2.123 152.6 1968.0 2.090 151.6 1969.0 2.056 150.5 1970.0 2.021 149.4 1971.0 1.985 148.2 1972.0 1.948 147.0 1973.0 1.912 145.8 1974.0 1.874 144.5 1975.0 1.837 143.2 1976.0 1.799 141.8 1977.0 1.762 140.3 1978.0 1.724 138.8 1979.0 1.686 137.2 1980.0 1.649 135.5 1981.0 1.612 133.8 1982.0 1.576 132.0 1983.0 1.540 130.1 1984.0 1.506 128.1 1985.0 1.472 126.0 1986.0 1.439 123.8 1987.0 1.408 121.6 1988.0 1.378 119.2 1989.0 1.350 116.7 1990.0 1.323 114.1 1991.0 1.299 111.4 1992.0 1.277 108.7 1993.0 1.257 105.8 1994.0 1.239 102.8 1995.0 1.224 99.8 1996.0 1.212 96.7 1997.0 1.203 93.5 1998.0 1.197 90.3 1999.0 1.193 87.1 2000.0 1.193 83.8 2001.0 1.196 80.6 2002.0 1.202 77.4 2003.0 1.210 74.2 2004.0 1.222 71.1 2005.0 1.236 68.0 2006.0 1.253 65.0 2007.0 1.272 62.1 2008.0 1.293 59.3 2009.0 1.316 56.6 2010.0 1.341 54.0 2011.0 1.367 51.5 2012.0 1.395 49.1 2013.0 1.424 46.7 2014.0 1.454 44.5 2015.0 1.485 42.4 2016.0 1.516 40.3 2017.0 1.548 38.4 2018.0 1.579 36.5 2019.0 1.611 34.7 2020.0 1.642 32.9 2021.0 1.672 31.2 2022.0 1.702 29.6 2023.0 1.730 28.0 2024.0 1.758 26.5 2025.0 1.783 25.1 2026.0 1.807 23.6 2027.0 1.829 22.2 2028.0 1.848 20.9 2029.0 1.865 19.5 2030.0 1.878 18.2 2031.0 1.887 16.9 2032.0 1.892 15.6 2033.0 1.893 14.3 2034.0 1.888 13.0 2035.0 1.876 11.7 2036.0 1.858 10.4 2037.0 1.831 9.1 2038.0 1.795 7.7 2039.0 1.749 6.2 2040.0 1.690 4.6 2041.0 1.616 2.9 2042.0 1.526 1.1 2043.0 1.417 358.9 2044.0 1.287 356.4 2045.0 1.132 353.3 2046.0 0.953 349.0 2047.0 0.751 342.6 2048.0 0.537 331.1 2049.0 0.348 305.8 2050.0 0.301 256.2 2051.0 0.450 220.1 2052.0 0.664 204.6 2053.0 0.880 196.7 2054.0 1.082 191.9 2055.0 1.265 188.5 2056.0 1.430 186.0 2057.0 1.576 183.9 2058.0 1.705 182.2 2059.0 1.819 180.7 2060.0 1.919 179.4 2061.0 2.007 178.2 2062.0 2.084 177.1 2063.0 2.151 176.1 2064.0 2.210 175.1 2065.0 2.260 174.2 2066.0 2.303 173.3 2067.0 2.339 172.5 2068.0 2.369 171.6 2069.0 2.394 170.8 2070.0 2.414 170.0 2071.0 2.428 169.2 2072.0 2.439 168.4 2073.0 2.445 167.7 2074.0 2.448 166.9 2075.0 2.447 166.1 2076.0 2.443 165.4 2077.0 2.436 164.6 2078.0 2.426 163.8 2079.0 2.414 163.0 2080.0 2.399 162.2 2081.0 2.382 161.4 2082.0 2.363 160.6 2083.0 2.341 159.8 2084.0 2.318 158.9 2085.0 2.294 158.0