| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:20:30 |
| WDS: | BU394AB | WDS ID/Discoverer |
| P: | 142.140 | Orbital period (years) |
| a: | 0.689 | Semi-major axis (arcseconds) |
| i: | 78.0 | Inclination (degrees) |
| Ω: | 102.1 | Longitude of ascending node (degrees) |
| T: | 1992.370 | Epoch of periastron passage (year) |
| e: | 0.847 | Eccentricity |
| ω: | 2.0 | Longitude of periastron (degrees) |
| Start-Year: | 1954.0 | Year |
| End-Year: | 2096.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 003045.56+473147.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00308+4732 | WDS designation |
| Discoverer Code: | BU394AB | Discover designation and components |
| ADS number: | 416 | Aitken Double Star catalog |
| HD number: | 2675 | HD catalog number |
| Hipparcos number: | 2414 | Hipparcos catalog number |
| V1: | 8.49 | Magnitude of the primary |
| V2: | 8.77 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.973 278.8 ------------------------- 1954.0 1.044 285.6 1955.0 1.029 285.7 1956.0 1.014 285.8 1957.0 0.998 286.0 1958.0 0.982 286.1 1959.0 0.965 286.2 1960.0 0.948 286.4 1961.0 0.930 286.5 1962.0 0.912 286.7 1963.0 0.892 286.9 1964.0 0.873 287.0 1965.0 0.852 287.2 1966.0 0.831 287.4 1967.0 0.809 287.6 1968.0 0.787 287.8 1969.0 0.763 288.0 1970.0 0.739 288.3 1971.0 0.714 288.5 1972.0 0.688 288.8 1973.0 0.662 289.1 1974.0 0.634 289.4 1975.0 0.606 289.7 1976.0 0.576 290.1 1977.0 0.545 290.5 1978.0 0.513 291.0 1979.0 0.480 291.6 1980.0 0.446 292.2 1981.0 0.410 292.9 1982.0 0.372 293.8 1983.0 0.333 294.8 1984.0 0.293 296.2 1985.0 0.250 298.0 1986.0 0.205 300.6 1987.0 0.158 304.7 1988.0 0.110 312.3 1989.0 0.064 331.4 1990.0 0.041 31.3 1991.0 0.072 80.9 1992.0 0.103 98.0 1993.0 0.093 110.8 1994.0 0.053 137.1 1995.0 0.044 211.7 1996.0 0.088 247.8 1997.0 0.139 258.7 1998.0 0.189 263.7 1999.0 0.237 266.7 2000.0 0.282 268.7 2001.0 0.325 270.1 2002.0 0.366 271.2 2003.0 0.405 272.1 2004.0 0.443 272.9 2005.0 0.479 273.5 2006.0 0.513 274.0 2007.0 0.546 274.5 2008.0 0.578 274.9 2009.0 0.608 275.3 2010.0 0.637 275.7 2011.0 0.666 276.0 2012.0 0.693 276.3 2013.0 0.719 276.5 2014.0 0.745 276.8 2015.0 0.769 277.0 2016.0 0.793 277.2 2017.0 0.816 277.4 2018.0 0.838 277.6 2019.0 0.859 277.8 2020.0 0.880 278.0 2021.0 0.900 278.2 2022.0 0.919 278.3 2023.0 0.938 278.5 2024.0 0.956 278.6 2025.0 0.973 278.8 2026.0 0.990 278.9 2027.0 1.006 279.0 2028.0 1.022 279.2 2029.0 1.037 279.3 2030.0 1.051 279.4 2031.0 1.065 279.5 2032.0 1.079 279.6 2033.0 1.091 279.8 2034.0 1.104 279.9 2035.0 1.116 280.0 2036.0 1.127 280.1 2037.0 1.138 280.2 2038.0 1.149 280.3 2039.0 1.159 280.4 2040.0 1.168 280.5 2041.0 1.178 280.6 2042.0 1.186 280.7 2043.0 1.194 280.8 2044.0 1.202 280.9 2045.0 1.210 281.0 2046.0 1.217 281.0 2047.0 1.223 281.1 2048.0 1.229 281.2 2049.0 1.235 281.3 2050.0 1.240 281.4 2051.0 1.245 281.5 2052.0 1.249 281.6 2053.0 1.253 281.7 2054.0 1.257 281.7 2055.0 1.260 281.8 2056.0 1.263 281.9 2057.0 1.266 282.0 2058.0 1.268 282.1 2059.0 1.269 282.2 2060.0 1.271 282.2 2061.0 1.271 282.3 2062.0 1.272 282.4 2063.0 1.272 282.5 2064.0 1.272 282.6 2065.0 1.271 282.6 2066.0 1.270 282.7 2067.0 1.268 282.8 2068.0 1.266 282.9 2069.0 1.264 283.0 2070.0 1.261 283.1 2071.0 1.258 283.1 2072.0 1.255 283.2 2073.0 1.251 283.3 2074.0 1.247 283.4 2075.0 1.242 283.5 2076.0 1.237 283.6 2077.0 1.232 283.7 2078.0 1.226 283.7 2079.0 1.219 283.8 2080.0 1.213 283.9 2081.0 1.206 284.0 2082.0 1.198 284.1 2083.0 1.190 284.2 2084.0 1.182 284.3 2085.0 1.173 284.4 2086.0 1.164 284.5 2087.0 1.154 284.6 2088.0 1.144 284.7 2089.0 1.133 284.8 2090.0 1.122 284.9 2091.0 1.111 285.0 2092.0 1.098 285.1 2093.0 1.086 285.2 2094.0 1.073 285.3 2095.0 1.060 285.5