| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:41:11 |
| WDS: | BU80AB | WDS ID/Discoverer |
| P: | 97.000 | Orbital period (years) |
| a: | 0.743 | Semi-major axis (arcseconds) |
| i: | 27.0 | Inclination (degrees) |
| Ω: | 177.0 | Longitude of ascending node (degrees) |
| T: | 1905.000 | Epoch of periastron passage (year) |
| e: | 0.77 | Eccentricity |
| ω: | 287.0 | Longitude of periastron (degrees) |
| Start-Year: | 1977.0 | Year |
| End-Year: | 2073.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 231854.45+052419.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23189+0524 | WDS designation |
| Discoverer Code: | BU80AB | Discover designation and components |
| ADS number: | 16665 | Aitken Double Star catalog |
| HD number: | 219829 | HD catalog number |
| Hipparcos number: | 115112 | Hipparcos catalog number |
| V1: | 8.18 | Magnitude of the primary |
| V2: | 9.39 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 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 0.937 261.0 ------------------------- 1977.0 1.019 307.3 1978.0 1.002 308.4 1979.0 0.984 309.6 1980.0 0.965 310.8 1981.0 0.945 312.1 1982.0 0.924 313.5 1983.0 0.902 314.9 1984.0 0.878 316.3 1985.0 0.854 317.9 1986.0 0.828 319.5 1987.0 0.800 321.3 1988.0 0.771 323.2 1989.0 0.740 325.2 1990.0 0.707 327.4 1991.0 0.673 329.9 1992.0 0.636 332.6 1993.0 0.597 335.7 1994.0 0.555 339.2 1995.0 0.510 343.3 1996.0 0.462 348.2 1997.0 0.410 354.4 1998.0 0.354 2.4 1999.0 0.294 13.5 2000.0 0.231 30.7 2001.0 0.175 60.0 2002.0 0.154 105.9 2003.0 0.186 148.3 2004.0 0.240 174.5 2005.0 0.295 190.9 2006.0 0.346 202.3 2007.0 0.395 210.8 2008.0 0.440 217.5 2009.0 0.483 223.0 2010.0 0.523 227.6 2011.0 0.561 231.6 2012.0 0.597 235.1 2013.0 0.631 238.2 2014.0 0.663 241.0 2015.0 0.694 243.5 2016.0 0.724 245.8 2017.0 0.752 248.0 2018.0 0.779 249.9 2019.0 0.805 251.8 2020.0 0.829 253.5 2021.0 0.853 255.2 2022.0 0.875 256.7 2023.0 0.897 258.2 2024.0 0.918 259.6 2025.0 0.937 261.0 2026.0 0.956 262.3 2027.0 0.974 263.5 2028.0 0.991 264.8 2029.0 1.007 265.9 2030.0 1.023 267.1 2031.0 1.038 268.1 2032.0 1.052 269.2 2033.0 1.065 270.3 2034.0 1.077 271.3 2035.0 1.089 272.3 2036.0 1.100 273.2 2037.0 1.110 274.2 2038.0 1.120 275.1 2039.0 1.129 276.0 2040.0 1.137 277.0 2041.0 1.145 277.8 2042.0 1.152 278.7 2043.0 1.158 279.6 2044.0 1.164 280.5 2045.0 1.169 281.3 2046.0 1.173 282.2 2047.0 1.177 283.0 2048.0 1.180 283.9 2049.0 1.182 284.7 2050.0 1.184 285.5 2051.0 1.185 286.4 2052.0 1.186 287.2 2053.0 1.185 288.0 2054.0 1.185 288.8 2055.0 1.183 289.7 2056.0 1.181 290.5 2057.0 1.178 291.3 2058.0 1.175 292.2 2059.0 1.170 293.0 2060.0 1.166 293.9 2061.0 1.160 294.7 2062.0 1.154 295.6 2063.0 1.147 296.5 2064.0 1.139 297.4 2065.0 1.131 298.3 2066.0 1.121 299.2 2067.0 1.111 300.1 2068.0 1.101 301.1 2069.0 1.089 302.1 2070.0 1.077 303.1 2071.0 1.064 304.1 2072.0 1.049 305.1