| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:51:06 |
| WDS: | A829 | WDS ID/Discoverer |
| P: | 111.380 | Orbital period (years) |
| a: | 0.417 | Semi-major axis (arcseconds) |
| i: | 120.6 | Inclination (degrees) |
| Ω: | 260.1 | Longitude of ascending node (degrees) |
| T: | 1985.100 | Epoch of periastron passage (year) |
| e: | 0.743 | Eccentricity |
| ω: | 77.2 | Longitude of periastron (degrees) |
| Start-Year: | 1970.0 | Year |
| End-Year: | 2080.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 032608.81+122854.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03261+1229 | WDS designation |
| Discoverer Code: | A829 | Discover designation and components |
| ADS number: | 2531 | Aitken Double Star catalog |
| HD number: | 21261 | HD catalog number |
| Hipparcos number: | 16008 | Hipparcos catalog number |
| V1: | 8.82 | Magnitude of the primary |
| V2: | 10.38 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2003 | 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 0.426 31.9 ------------------------- 1970.0 0.277 303.5 1971.0 0.273 300.9 1972.0 0.268 298.3 1973.0 0.264 295.6 1974.0 0.258 292.8 1975.0 0.252 289.9 1976.0 0.245 286.8 1977.0 0.236 283.5 1978.0 0.226 279.9 1979.0 0.214 275.9 1980.0 0.200 271.5 1981.0 0.182 266.2 1982.0 0.159 259.6 1983.0 0.129 250.4 1984.0 0.094 234.7 1985.0 0.060 199.6 1986.0 0.063 141.3 1987.0 0.100 110.0 1988.0 0.139 96.2 1989.0 0.174 88.4 1990.0 0.205 83.0 1991.0 0.231 79.0 1992.0 0.254 75.7 1993.0 0.274 73.0 1994.0 0.291 70.6 1995.0 0.307 68.5 1996.0 0.321 66.5 1997.0 0.334 64.7 1998.0 0.345 63.1 1999.0 0.355 61.5 2000.0 0.364 60.0 2001.0 0.372 58.6 2002.0 0.380 57.3 2003.0 0.386 56.0 2004.0 0.392 54.7 2005.0 0.398 53.5 2006.0 0.403 52.3 2007.0 0.407 51.1 2008.0 0.411 50.0 2009.0 0.414 48.8 2010.0 0.417 47.7 2011.0 0.420 46.6 2012.0 0.422 45.5 2013.0 0.424 44.5 2014.0 0.425 43.4 2015.0 0.427 42.4 2016.0 0.428 41.3 2017.0 0.428 40.3 2018.0 0.429 39.2 2019.0 0.429 38.2 2020.0 0.429 37.1 2021.0 0.429 36.1 2022.0 0.429 35.1 2023.0 0.428 34.0 2024.0 0.427 33.0 2025.0 0.426 31.9 2026.0 0.425 30.9 2027.0 0.424 29.8 2028.0 0.423 28.7 2029.0 0.421 27.7 2030.0 0.419 26.6 2031.0 0.418 25.5 2032.0 0.416 24.4 2033.0 0.414 23.3 2034.0 0.412 22.1 2035.0 0.409 21.0 2036.0 0.407 19.9 2037.0 0.405 18.7 2038.0 0.402 17.5 2039.0 0.400 16.3 2040.0 0.397 15.1 2041.0 0.395 13.9 2042.0 0.392 12.7 2043.0 0.389 11.4 2044.0 0.386 10.1 2045.0 0.383 8.8 2046.0 0.381 7.5 2047.0 0.378 6.2 2048.0 0.375 4.8 2049.0 0.372 3.5 2050.0 0.369 2.1 2051.0 0.366 0.6 2052.0 0.363 359.2 2053.0 0.360 357.7 2054.0 0.357 356.2 2055.0 0.354 354.7 2056.0 0.351 353.2 2057.0 0.348 351.6 2058.0 0.345 350.0 2059.0 0.342 348.4 2060.0 0.339 346.8 2061.0 0.336 345.1 2062.0 0.333 343.4 2063.0 0.331 341.6 2064.0 0.328 339.9 2065.0 0.325 338.1 2066.0 0.322 336.2 2067.0 0.319 334.4 2068.0 0.317 332.5 2069.0 0.314 330.6 2070.0 0.311 328.6 2071.0 0.309 326.6 2072.0 0.306 324.6 2073.0 0.303 322.5 2074.0 0.300 320.4 2075.0 0.297 318.3 2076.0 0.295 316.1 2077.0 0.292 313.8 2078.0 0.289 311.6 2079.0 0.285 309.2