| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:11:39 |
| WDS: | BU28AB | WDS ID/Discoverer |
| P: | 150.940 | Orbital period (years) |
| a: | 1.395 | Semi-major axis (arcseconds) |
| i: | 29.9 | Inclination (degrees) |
| Ω: | 112.8 | Longitude of ascending node (degrees) |
| T: | 1946.090 | Epoch of periastron passage (year) |
| e: | 0.702 | Eccentricity |
| ω: | 60.9 | Longitude of periastron (degrees) |
| Start-Year: | 1950.0 | Year |
| End-Year: | 2100.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 123004.77-132335.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 12301-1324 | WDS designation |
| Discoverer Code: | BU28AB | Discover designation and components |
| ADS number: | 8573 | Aitken Double Star catalog |
| HD number: | 108799 | HD catalog number |
| Hipparcos number: | 60994 | Hipparcos catalog number |
| V1: | 6.49 | Magnitude of the primary |
| V2: | 9.58 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2016 | 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 2.125 352.3 ------------------------- 1950.0 0.486 240.2 1951.0 0.549 250.9 1952.0 0.614 259.4 1953.0 0.679 266.3 1954.0 0.742 272.0 1955.0 0.804 276.8 1956.0 0.864 280.9 1957.0 0.922 284.5 1958.0 0.977 287.7 1959.0 1.030 290.5 1960.0 1.080 293.1 1961.0 1.129 295.5 1962.0 1.176 297.6 1963.0 1.221 299.6 1964.0 1.264 301.5 1965.0 1.306 303.2 1966.0 1.346 304.8 1967.0 1.384 306.4 1968.0 1.421 307.8 1969.0 1.457 309.2 1970.0 1.491 310.5 1971.0 1.524 311.8 1972.0 1.556 313.0 1973.0 1.586 314.2 1974.0 1.616 315.3 1975.0 1.644 316.4 1976.0 1.671 317.4 1977.0 1.698 318.4 1978.0 1.723 319.4 1979.0 1.748 320.3 1980.0 1.771 321.3 1981.0 1.794 322.2 1982.0 1.815 323.0 1983.0 1.836 323.9 1984.0 1.856 324.7 1985.0 1.875 325.6 1986.0 1.894 326.4 1987.0 1.912 327.2 1988.0 1.928 327.9 1989.0 1.945 328.7 1990.0 1.960 329.5 1991.0 1.975 330.2 1992.0 1.989 330.9 1993.0 2.002 331.6 1994.0 2.015 332.4 1995.0 2.027 333.1 1996.0 2.039 333.8 1997.0 2.050 334.4 1998.0 2.060 335.1 1999.0 2.069 335.8 2000.0 2.078 336.5 2001.0 2.087 337.1 2002.0 2.094 337.8 2003.0 2.102 338.4 2004.0 2.108 339.1 2005.0 2.114 339.7 2006.0 2.120 340.4 2007.0 2.125 341.0 2008.0 2.129 341.6 2009.0 2.133 342.3 2010.0 2.136 342.9 2011.0 2.139 343.5 2012.0 2.142 344.1 2013.0 2.143 344.8 2014.0 2.144 345.4 2015.0 2.145 346.0 2016.0 2.145 346.6 2017.0 2.145 347.2 2018.0 2.144 347.9 2019.0 2.143 348.5 2020.0 2.141 349.1 2021.0 2.139 349.7 2022.0 2.136 350.4 2023.0 2.133 351.0 2024.0 2.129 351.6 2025.0 2.125 352.3 2026.0 2.120 352.9 2027.0 2.114 353.5 2028.0 2.109 354.2 2029.0 2.102 354.8 2030.0 2.096 355.5 2031.0 2.088 356.1 2032.0 2.081 356.8 2033.0 2.073 357.5 2034.0 2.064 358.1 2035.0 2.055 358.8 2036.0 2.045 359.5 2037.0 2.035 0.2 2038.0 2.024 0.9 2039.0 2.013 1.6 2040.0 2.002 2.3 2041.0 1.990 3.0 2042.0 1.977 3.7 2043.0 1.964 4.5 2044.0 1.950 5.2 2045.0 1.936 6.0 2046.0 1.922 6.7 2047.0 1.907 7.5 2048.0 1.891 8.3 2049.0 1.875 9.1 2050.0 1.859 10.0 2051.0 1.842 10.8 2052.0 1.824 11.6 2053.0 1.806 12.5 2054.0 1.787 13.4 2055.0 1.768 14.3 2056.0 1.748 15.2 2057.0 1.728 16.2 2058.0 1.707 17.2 2059.0 1.686 18.2 2060.0 1.664 19.2 2061.0 1.641 20.2 2062.0 1.618 21.3 2063.0 1.595 22.4 2064.0 1.571 23.6 2065.0 1.546 24.7 2066.0 1.520 26.0 2067.0 1.494 27.2 2068.0 1.468 28.5 2069.0 1.440 29.9 2070.0 1.412 31.3 2071.0 1.384 32.8 2072.0 1.354 34.3 2073.0 1.324 35.9 2074.0 1.294 37.6 2075.0 1.262 39.3 2076.0 1.230 41.2 2077.0 1.197 43.1 2078.0 1.164 45.2 2079.0 1.129 47.3 2080.0 1.094 49.7 2081.0 1.058 52.1 2082.0 1.021 54.8 2083.0 0.983 57.6 2084.0 0.944 60.7 2085.0 0.904 64.1 2086.0 0.863 67.8 2087.0 0.820 71.8 2088.0 0.777 76.3 2089.0 0.732 81.3 2090.0 0.686 87.0 2091.0 0.639 93.6 2092.0 0.590 101.2 2093.0 0.541 110.1 2094.0 0.491 120.9 2095.0 0.443 134.1 2096.0 0.402 150.3 2097.0 0.375 169.5 2098.0 0.370 190.4 2099.0 0.391 210.4