| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:22:50 |
| WDS: | BU495AB | WDS ID/Discoverer |
| P: | 143.628 | Orbital period (years) |
| a: | 0.617 | Semi-major axis (arcseconds) |
| i: | 107.4 | Inclination (degrees) |
| Ω: | 31.3 | Longitude of ascending node (degrees) |
| T: | 1979.856 | Epoch of periastron passage (year) |
| e: | 0.5 | Eccentricity |
| ω: | 338.1 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 004844.81+184107.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00487+1841 | WDS designation |
| Discoverer Code: | BU495AB | Discover designation and components |
| ADS number: | 673 | Aitken Double Star catalog |
| HD number: | 4655 | HD catalog number |
| Hipparcos number: | 3795 | Hipparcos catalog number |
| V1: | 8.34 | Magnitude of the primary |
| V2: | 8.61 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1998 | 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 0.571 230.6 ------------------------- 1954.0 0.531 199.4 1955.0 0.508 198.5 1956.0 0.484 197.5 1957.0 0.459 196.4 1958.0 0.434 195.1 1959.0 0.408 193.7 1960.0 0.381 192.1 1961.0 0.353 190.3 1962.0 0.325 188.1 1963.0 0.296 185.6 1964.0 0.267 182.5 1965.0 0.239 178.6 1966.0 0.210 173.6 1967.0 0.182 167.2 1968.0 0.157 158.5 1969.0 0.136 146.9 1970.0 0.121 131.7 1971.0 0.116 113.8 1972.0 0.121 95.9 1973.0 0.136 80.8 1974.0 0.157 69.2 1975.0 0.181 60.5 1976.0 0.206 53.8 1977.0 0.230 48.6 1978.0 0.253 44.4 1979.0 0.274 40.8 1980.0 0.291 37.7 1981.0 0.304 34.9 1982.0 0.313 32.3 1983.0 0.319 29.9 1984.0 0.321 27.5 1985.0 0.319 25.1 1986.0 0.314 22.6 1987.0 0.306 20.0 1988.0 0.296 17.3 1989.0 0.284 14.4 1990.0 0.271 11.2 1991.0 0.257 7.6 1992.0 0.242 3.6 1993.0 0.228 359.2 1994.0 0.214 354.1 1995.0 0.200 348.3 1996.0 0.189 341.8 1997.0 0.179 334.4 1998.0 0.172 326.4 1999.0 0.168 317.8 2000.0 0.168 309.0 2001.0 0.171 300.4 2002.0 0.177 292.2 2003.0 0.186 284.6 2004.0 0.198 277.9 2005.0 0.212 272.0 2006.0 0.227 266.9 2007.0 0.244 262.4 2008.0 0.261 258.5 2009.0 0.279 255.1 2010.0 0.298 252.1 2011.0 0.317 249.5 2012.0 0.336 247.2 2013.0 0.355 245.1 2014.0 0.374 243.2 2015.0 0.393 241.5 2016.0 0.412 240.0 2017.0 0.430 238.6 2018.0 0.449 237.3 2019.0 0.467 236.2 2020.0 0.485 235.1 2021.0 0.503 234.1 2022.0 0.521 233.1 2023.0 0.538 232.2 2024.0 0.555 231.4 2025.0 0.571 230.6 2026.0 0.587 229.9 2027.0 0.603 229.2 2028.0 0.618 228.5 2029.0 0.633 227.9 2030.0 0.648 227.3 2031.0 0.662 226.7 2032.0 0.676 226.2 2033.0 0.690 225.6 2034.0 0.703 225.1 2035.0 0.716 224.6 2036.0 0.728 224.2 2037.0 0.740 223.7 2038.0 0.751 223.3 2039.0 0.762 222.8 2040.0 0.773 222.4 2041.0 0.783 222.0 2042.0 0.793 221.6 2043.0 0.802 221.2 2044.0 0.811 220.8 2045.0 0.820 220.5 2046.0 0.828 220.1 2047.0 0.835 219.7 2048.0 0.843 219.4 2049.0 0.849 219.1 2050.0 0.855 218.7 2051.0 0.861 218.4 2052.0 0.867 218.0 2053.0 0.871 217.7 2054.0 0.876 217.4 2055.0 0.880 217.1 2056.0 0.883 216.8 2057.0 0.886 216.4 2058.0 0.889 216.1 2059.0 0.891 215.8 2060.0 0.892 215.5 2061.0 0.893 215.2 2062.0 0.894 214.9 2063.0 0.894 214.6 2064.0 0.893 214.3 2065.0 0.892 214.0 2066.0 0.891 213.6 2067.0 0.889 213.3 2068.0 0.886 213.0 2069.0 0.883 212.7 2070.0 0.879 212.4 2071.0 0.875 212.1 2072.0 0.870 211.7 2073.0 0.865 211.4 2074.0 0.859 211.1 2075.0 0.853 210.7 2076.0 0.846 210.4 2077.0 0.838 210.1 2078.0 0.830 209.7 2079.0 0.821 209.3 2080.0 0.811 209.0 2081.0 0.801 208.6 2082.0 0.790 208.2 2083.0 0.779 207.8 2084.0 0.767 207.4 2085.0 0.754 207.0 2086.0 0.741 206.5 2087.0 0.727 206.0 2088.0 0.712 205.6 2089.0 0.696 205.1 2090.0 0.680 204.6 2091.0 0.663 204.0 2092.0 0.645 203.4 2093.0 0.627 202.8 2094.0 0.607 202.2 2095.0 0.587 201.5