| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:29:27 |
| WDS: | HWE4 | WDS ID/Discoverer |
| P: | 142.420 | Orbital period (years) |
| a: | 0.571 | Semi-major axis (arcseconds) |
| i: | 118.6 | Inclination (degrees) |
| Ω: | 133.7 | Longitude of ascending node (degrees) |
| T: | 2065.920 | Epoch of periastron passage (year) |
| e: | 0.837 | Eccentricity |
| ω: | 318.6 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 013342.39-121246.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01337-1213 | WDS designation |
| Discoverer Code: | HWE4 | Discover designation and components |
| ADS number: | 1223 | Aitken Double Star catalog |
| HD number: | 9575 | HD catalog number |
| Hipparcos number: | 7274 | Hipparcos catalog number |
| V1: | 9.23 | Magnitude of the primary |
| V2: | 9.31 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | 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 0.837 327.9 ------------------------- 1954.0 0.512 354.9 1955.0 0.525 354.1 1956.0 0.538 353.3 1957.0 0.551 352.6 1958.0 0.564 351.9 1959.0 0.576 351.2 1960.0 0.588 350.6 1961.0 0.600 350.0 1962.0 0.611 349.4 1963.0 0.622 348.8 1964.0 0.633 348.2 1965.0 0.644 347.7 1966.0 0.654 347.2 1967.0 0.665 346.7 1968.0 0.675 346.2 1969.0 0.684 345.8 1970.0 0.694 345.3 1971.0 0.703 344.9 1972.0 0.712 344.4 1973.0 0.721 344.0 1974.0 0.730 343.6 1975.0 0.738 343.2 1976.0 0.746 342.8 1977.0 0.754 342.4 1978.0 0.762 342.1 1979.0 0.769 341.7 1980.0 0.776 341.3 1981.0 0.783 341.0 1982.0 0.790 340.6 1983.0 0.796 340.3 1984.0 0.802 339.9 1985.0 0.808 339.6 1986.0 0.814 339.3 1987.0 0.820 339.0 1988.0 0.825 338.6 1989.0 0.830 338.3 1990.0 0.835 338.0 1991.0 0.839 337.7 1992.0 0.844 337.4 1993.0 0.848 337.1 1994.0 0.851 336.8 1995.0 0.855 336.5 1996.0 0.858 336.2 1997.0 0.861 335.9 1998.0 0.864 335.6 1999.0 0.867 335.3 2000.0 0.869 335.0 2001.0 0.871 334.8 2002.0 0.873 334.5 2003.0 0.875 334.2 2004.0 0.876 333.9 2005.0 0.877 333.6 2006.0 0.878 333.3 2007.0 0.878 333.1 2008.0 0.878 332.8 2009.0 0.878 332.5 2010.0 0.878 332.2 2011.0 0.878 332.0 2012.0 0.877 331.7 2013.0 0.875 331.4 2014.0 0.874 331.1 2015.0 0.872 330.8 2016.0 0.870 330.5 2017.0 0.868 330.3 2018.0 0.865 330.0 2019.0 0.862 329.7 2020.0 0.859 329.4 2021.0 0.855 329.1 2022.0 0.851 328.8 2023.0 0.847 328.5 2024.0 0.842 328.2 2025.0 0.837 327.9 2026.0 0.831 327.6 2027.0 0.826 327.3 2028.0 0.819 326.9 2029.0 0.813 326.6 2030.0 0.806 326.3 2031.0 0.798 326.0 2032.0 0.791 325.6 2033.0 0.782 325.3 2034.0 0.773 324.9 2035.0 0.764 324.5 2036.0 0.754 324.2 2037.0 0.744 323.8 2038.0 0.733 323.4 2039.0 0.722 323.0 2040.0 0.710 322.6 2041.0 0.698 322.1 2042.0 0.685 321.7 2043.0 0.671 321.2 2044.0 0.656 320.7 2045.0 0.641 320.2 2046.0 0.625 319.7 2047.0 0.608 319.1 2048.0 0.591 318.5 2049.0 0.572 317.8 2050.0 0.552 317.2 2051.0 0.532 316.4 2052.0 0.510 315.6 2053.0 0.487 314.8 2054.0 0.462 313.8 2055.0 0.436 312.7 2056.0 0.408 311.5 2057.0 0.378 310.1 2058.0 0.346 308.5 2059.0 0.312 306.5 2060.0 0.274 304.0 2061.0 0.233 300.6 2062.0 0.188 295.7 2063.0 0.138 287.4 2064.0 0.086 269.0 2065.0 0.052 213.5 2066.0 0.079 153.7 2067.0 0.110 129.7 2068.0 0.124 114.1 2069.0 0.130 100.9 2070.0 0.135 88.6 2071.0 0.141 77.3 2072.0 0.149 67.0 2073.0 0.159 57.9 2074.0 0.171 50.0 2075.0 0.184 43.2 2076.0 0.199 37.3 2077.0 0.214 32.2 2078.0 0.230 27.8 2079.0 0.246 24.0 2080.0 0.262 20.7 2081.0 0.279 17.7 2082.0 0.295 15.1 2083.0 0.311 12.7 2084.0 0.328 10.6 2085.0 0.344 8.7 2086.0 0.360 6.9 2087.0 0.375 5.3 2088.0 0.391 3.9 2089.0 0.406 2.5 2090.0 0.421 1.3 2091.0 0.436 0.1 2092.0 0.451 359.0 2093.0 0.465 358.0 2094.0 0.479 357.0 2095.0 0.493 356.1