| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:56:42 |
| WDS: | HU197 | WDS ID/Discoverer |
| P: | 135.400 | Orbital period (years) |
| a: | 0.487 | Semi-major axis (arcseconds) |
| i: | 125.7 | Inclination (degrees) |
| Ω: | 238.02 | Longitude of ascending node (degrees) |
| T: | 1930.800 | Epoch of periastron passage (year) |
| e: | 0.057 | Eccentricity |
| ω: | 317.5 | Longitude of periastron (degrees) |
| Start-Year: | 1958.0 | Year |
| End-Year: | 2092.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 181940.18+101619.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18197+1016 | WDS designation |
| Discoverer Code: | HU197 | Discover designation and components |
| ADS number: | 11260 | Aitken Double Star catalog |
| HD number: | 168499 | HD catalog number |
| Hipparcos number: | 89806 | Hipparcos catalog number |
| V1: | 8.73 | Magnitude of the primary |
| V2: | 9.77 | 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 0.474 44.8 ------------------------- 1958.0 0.421 214.9 1959.0 0.414 212.8 1960.0 0.406 210.6 1961.0 0.399 208.4 1962.0 0.390 206.0 1963.0 0.382 203.5 1964.0 0.374 201.0 1965.0 0.365 198.3 1966.0 0.357 195.5 1967.0 0.349 192.5 1968.0 0.341 189.4 1969.0 0.333 186.2 1970.0 0.326 182.8 1971.0 0.319 179.3 1972.0 0.313 175.6 1973.0 0.308 171.8 1974.0 0.303 167.9 1975.0 0.300 163.8 1976.0 0.297 159.7 1977.0 0.295 155.5 1978.0 0.294 151.3 1979.0 0.295 147.0 1980.0 0.296 142.8 1981.0 0.298 138.7 1982.0 0.302 134.6 1983.0 0.306 130.6 1984.0 0.311 126.7 1985.0 0.317 123.0 1986.0 0.323 119.4 1987.0 0.331 116.0 1988.0 0.338 112.7 1989.0 0.346 109.6 1990.0 0.355 106.6 1991.0 0.364 103.7 1992.0 0.373 101.0 1993.0 0.382 98.4 1994.0 0.391 96.0 1995.0 0.400 93.6 1996.0 0.409 91.4 1997.0 0.418 89.2 1998.0 0.426 87.2 1999.0 0.435 85.2 2000.0 0.443 83.3 2001.0 0.450 81.4 2002.0 0.458 79.6 2003.0 0.465 77.9 2004.0 0.471 76.2 2005.0 0.477 74.6 2006.0 0.483 73.0 2007.0 0.488 71.4 2008.0 0.492 69.9 2009.0 0.496 68.4 2010.0 0.500 66.9 2011.0 0.503 65.5 2012.0 0.505 64.0 2013.0 0.506 62.6 2014.0 0.507 61.2 2015.0 0.507 59.7 2016.0 0.507 58.3 2017.0 0.506 56.9 2018.0 0.504 55.4 2019.0 0.502 54.0 2020.0 0.499 52.5 2021.0 0.495 51.0 2022.0 0.491 49.5 2023.0 0.486 48.0 2024.0 0.480 46.4 2025.0 0.474 44.8 2026.0 0.467 43.1 2027.0 0.460 41.4 2028.0 0.452 39.7 2029.0 0.444 37.8 2030.0 0.436 35.9 2031.0 0.426 33.9 2032.0 0.417 31.9 2033.0 0.407 29.7 2034.0 0.397 27.4 2035.0 0.387 25.1 2036.0 0.376 22.5 2037.0 0.366 19.9 2038.0 0.356 17.0 2039.0 0.345 14.0 2040.0 0.335 10.9 2041.0 0.325 7.5 2042.0 0.316 3.9 2043.0 0.307 0.1 2044.0 0.299 356.2 2045.0 0.292 352.0 2046.0 0.286 347.6 2047.0 0.281 343.0 2048.0 0.277 338.2 2049.0 0.274 333.4 2050.0 0.273 328.5 2051.0 0.273 323.5 2052.0 0.274 318.6 2053.0 0.277 313.8 2054.0 0.281 309.1 2055.0 0.286 304.5 2056.0 0.292 300.1 2057.0 0.299 295.9 2058.0 0.307 291.9 2059.0 0.315 288.1 2060.0 0.324 284.5 2061.0 0.334 281.1 2062.0 0.343 277.9 2063.0 0.353 274.8 2064.0 0.363 272.0 2065.0 0.373 269.2 2066.0 0.382 266.7 2067.0 0.391 264.2 2068.0 0.400 261.9 2069.0 0.409 259.6 2070.0 0.417 257.5 2071.0 0.425 255.4 2072.0 0.432 253.4 2073.0 0.438 251.4 2074.0 0.444 249.6 2075.0 0.450 247.7 2076.0 0.454 245.9 2077.0 0.458 244.2 2078.0 0.461 242.4 2079.0 0.464 240.7 2080.0 0.465 239.0 2081.0 0.466 237.3 2082.0 0.466 235.6 2083.0 0.466 233.9 2084.0 0.465 232.2 2085.0 0.463 230.5 2086.0 0.460 228.8 2087.0 0.457 227.0 2088.0 0.453 225.3 2089.0 0.448 223.5 2090.0 0.443 221.6 2091.0 0.437 219.7