| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:57:03 |
| WDS: | I851 | WDS ID/Discoverer |
| P: | 117.000 | Orbital period (years) |
| a: | 0.216 | Semi-major axis (arcseconds) |
| i: | 136.0 | Inclination (degrees) |
| Ω: | 63.0 | Longitude of ascending node (degrees) |
| T: | 1953.900 | Epoch of periastron passage (year) |
| e: | 0.782 | Eccentricity |
| ω: | 11.0 | Longitude of periastron (degrees) |
| Start-Year: | 1967.0 | Year |
| End-Year: | 2083.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 101618.88-285842.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10163-2859 | WDS designation |
| Discoverer Code: | I851 | Discover designation and components |
| ADS number: | 7706 | Aitken Double Star catalog |
| HD number: | 89117 | HD catalog number |
| Hipparcos number: | 50309 | Hipparcos catalog number |
| V1: | 9.62 | Magnitude of the primary |
| V2: | 7.96 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | 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 0.363 229.3 ------------------------- 1967.0 0.188 266.2 1968.0 0.199 264.5 1969.0 0.209 263.0 1970.0 0.218 261.5 1971.0 0.228 260.2 1972.0 0.237 259.1 1973.0 0.245 257.9 1974.0 0.253 256.9 1975.0 0.261 255.9 1976.0 0.269 255.0 1977.0 0.276 254.1 1978.0 0.283 253.3 1979.0 0.289 252.5 1980.0 0.296 251.8 1981.0 0.302 251.1 1982.0 0.307 250.4 1983.0 0.313 249.7 1984.0 0.318 249.1 1985.0 0.323 248.4 1986.0 0.328 247.8 1987.0 0.333 247.2 1988.0 0.337 246.7 1989.0 0.341 246.1 1990.0 0.345 245.5 1991.0 0.349 245.0 1992.0 0.352 244.5 1993.0 0.355 244.0 1994.0 0.358 243.5 1995.0 0.361 243.0 1996.0 0.364 242.5 1997.0 0.366 242.0 1998.0 0.369 241.5 1999.0 0.371 241.1 2000.0 0.373 240.6 2001.0 0.374 240.1 2002.0 0.376 239.7 2003.0 0.377 239.2 2004.0 0.379 238.8 2005.0 0.380 238.3 2006.0 0.380 237.9 2007.0 0.381 237.4 2008.0 0.381 237.0 2009.0 0.382 236.5 2010.0 0.382 236.1 2011.0 0.382 235.7 2012.0 0.382 235.2 2013.0 0.381 234.8 2014.0 0.381 234.3 2015.0 0.380 233.9 2016.0 0.379 233.4 2017.0 0.378 233.0 2018.0 0.377 232.5 2019.0 0.375 232.1 2020.0 0.374 231.6 2021.0 0.372 231.2 2022.0 0.370 230.7 2023.0 0.368 230.2 2024.0 0.366 229.7 2025.0 0.363 229.3 2026.0 0.361 228.8 2027.0 0.358 228.3 2028.0 0.355 227.8 2029.0 0.352 227.2 2030.0 0.348 226.7 2031.0 0.345 226.2 2032.0 0.341 225.6 2033.0 0.337 225.1 2034.0 0.333 224.5 2035.0 0.329 223.9 2036.0 0.324 223.3 2037.0 0.319 222.7 2038.0 0.314 222.0 2039.0 0.309 221.4 2040.0 0.304 220.7 2041.0 0.298 220.0 2042.0 0.293 219.3 2043.0 0.287 218.5 2044.0 0.280 217.7 2045.0 0.274 216.8 2046.0 0.267 216.0 2047.0 0.260 215.0 2048.0 0.253 214.1 2049.0 0.246 213.0 2050.0 0.238 211.9 2051.0 0.230 210.7 2052.0 0.222 209.5 2053.0 0.213 208.1 2054.0 0.204 206.6 2055.0 0.195 205.0 2056.0 0.185 203.2 2057.0 0.176 201.3 2058.0 0.165 199.0 2059.0 0.155 196.5 2060.0 0.144 193.7 2061.0 0.133 190.3 2062.0 0.122 186.3 2063.0 0.110 181.5 2064.0 0.098 175.6 2065.0 0.087 168.0 2066.0 0.075 158.1 2067.0 0.065 145.0 2068.0 0.057 127.7 2069.0 0.052 105.7 2070.0 0.049 80.3 2071.0 0.046 52.1 2072.0 0.044 20.3 2073.0 0.047 348.7 2074.0 0.057 324.4 2075.0 0.070 308.2 2076.0 0.085 297.3 2077.0 0.099 289.7 2078.0 0.113 284.0 2079.0 0.127 279.5 2080.0 0.140 275.9 2081.0 0.153 272.9 2082.0 0.165 270.4