| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:42:47 |
| WDS: | A2473 | WDS ID/Discoverer |
| P: | 113.400 | Orbital period (years) |
| a: | 0.979 | Semi-major axis (arcseconds) |
| i: | 80.2 | Inclination (degrees) |
| Ω: | 115.0 | Longitude of ascending node (degrees) |
| T: | 2018.010 | Epoch of periastron passage (year) |
| e: | 0.972 | Eccentricity |
| ω: | 89.0 | Longitude of periastron (degrees) |
| Start-Year: | 1969.0 | Year |
| End-Year: | 2081.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 085040.42+180012.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08507+1800 | WDS designation |
| Discoverer Code: | A2473 | Discover designation and components |
| ADS number: | 7039 | Aitken Double Star catalog |
| HD number: | 75470 | HD catalog number |
| Hipparcos number: | 43421 | Hipparcos catalog number |
| V1: | 7.66 | Magnitude of the primary |
| V2: | 7.57 | 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 0.266 322.3 ------------------------- 1969.0 0.325 27.9 1970.0 0.325 29.0 1971.0 0.324 30.2 1972.0 0.323 31.3 1973.0 0.322 32.5 1974.0 0.322 33.7 1975.0 0.321 34.8 1976.0 0.320 36.0 1977.0 0.320 37.2 1978.0 0.319 38.4 1979.0 0.318 39.6 1980.0 0.317 40.8 1981.0 0.317 42.0 1982.0 0.316 43.2 1983.0 0.315 44.5 1984.0 0.314 45.7 1985.0 0.313 46.9 1986.0 0.312 48.2 1987.0 0.311 49.4 1988.0 0.310 50.7 1989.0 0.309 52.0 1990.0 0.308 53.2 1991.0 0.307 54.5 1992.0 0.306 55.8 1993.0 0.305 57.1 1994.0 0.303 58.4 1995.0 0.302 59.8 1996.0 0.300 61.1 1997.0 0.299 62.5 1998.0 0.297 63.8 1999.0 0.295 65.2 2000.0 0.292 66.6 2001.0 0.290 68.1 2002.0 0.287 69.5 2003.0 0.284 71.0 2004.0 0.281 72.5 2005.0 0.278 74.1 2006.0 0.274 75.7 2007.0 0.269 77.3 2008.0 0.264 79.1 2009.0 0.259 80.8 2010.0 0.252 82.7 2011.0 0.244 84.7 2012.0 0.235 86.8 2013.0 0.225 89.1 2014.0 0.212 91.6 2015.0 0.195 94.6 2016.0 0.171 98.2 2017.0 0.134 103.4 2018.0 0.007 157.6 2019.0 0.138 305.7 2020.0 0.180 310.5 2021.0 0.207 313.7 2022.0 0.227 316.3 2023.0 0.242 318.5 2024.0 0.255 320.5 2025.0 0.266 322.3 2026.0 0.275 324.0 2027.0 0.283 325.5 2028.0 0.290 327.0 2029.0 0.296 328.4 2030.0 0.301 329.8 2031.0 0.306 331.1 2032.0 0.310 332.4 2033.0 0.314 333.7 2034.0 0.317 334.9 2035.0 0.320 336.1 2036.0 0.323 337.3 2037.0 0.325 338.4 2038.0 0.327 339.6 2039.0 0.329 340.7 2040.0 0.331 341.8 2041.0 0.332 342.9 2042.0 0.334 344.0 2043.0 0.335 345.1 2044.0 0.336 346.2 2045.0 0.337 347.2 2046.0 0.337 348.3 2047.0 0.338 349.4 2048.0 0.338 350.4 2049.0 0.339 351.5 2050.0 0.339 352.6 2051.0 0.339 353.6 2052.0 0.339 354.7 2053.0 0.339 355.7 2054.0 0.339 356.8 2055.0 0.339 357.8 2056.0 0.339 358.9 2057.0 0.339 360.0 2058.0 0.339 1.0 2059.0 0.338 2.1 2060.0 0.338 3.1 2061.0 0.338 4.2 2062.0 0.337 5.3 2063.0 0.337 6.4 2064.0 0.336 7.4 2065.0 0.336 8.5 2066.0 0.335 9.6 2067.0 0.335 10.7 2068.0 0.334 11.8 2069.0 0.334 12.8 2070.0 0.333 13.9 2071.0 0.333 15.0 2072.0 0.332 16.1 2073.0 0.331 17.2 2074.0 0.331 18.4 2075.0 0.330 19.5 2076.0 0.329 20.6 2077.0 0.329 21.7 2078.0 0.328 22.8 2079.0 0.327 24.0 2080.0 0.327 25.1