| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:00:39 |
| WDS: | YSC12AB | WDS ID/Discoverer |
| P: | 105.000 | Orbital period (years) |
| a: | 0.486 | Semi-major axis (arcseconds) |
| i: | 143.4 | Inclination (degrees) |
| Ω: | 45.4 | Longitude of ascending node (degrees) |
| T: | 2121.131 | Epoch of periastron passage (year) |
| e: | 0.0 | Eccentricity |
| ω: | 0.0 | Longitude of periastron (degrees) |
| Start-Year: | 1973.0 | Year |
| End-Year: | 2077.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 185002.00+151840.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18500+1519 | WDS designation |
| Discoverer Code: | YSC12AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 174457 | HD catalog number |
| Hipparcos number: | 92418 | Hipparcos catalog number |
| V1: | 7.6 | Magnitude of the primary |
| V2: | 11.3 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.463 20.2 ------------------------- 1973.0 0.461 198.6 1974.0 0.456 195.6 1975.0 0.451 192.4 1976.0 0.445 189.1 1977.0 0.439 185.8 1978.0 0.434 182.4 1979.0 0.428 178.9 1980.0 0.422 175.3 1981.0 0.417 171.6 1982.0 0.412 167.8 1983.0 0.407 163.9 1984.0 0.403 160.0 1985.0 0.399 155.9 1986.0 0.396 151.8 1987.0 0.393 147.6 1988.0 0.392 143.4 1989.0 0.390 139.2 1990.0 0.390 134.9 1991.0 0.391 130.6 1992.0 0.392 126.4 1993.0 0.394 122.2 1994.0 0.397 118.0 1995.0 0.400 113.9 1996.0 0.404 109.9 1997.0 0.408 105.9 1998.0 0.413 102.1 1999.0 0.418 98.3 2000.0 0.424 94.6 2001.0 0.429 91.1 2002.0 0.435 87.6 2003.0 0.441 84.2 2004.0 0.446 80.9 2005.0 0.452 77.6 2006.0 0.457 74.5 2007.0 0.462 71.4 2008.0 0.467 68.4 2009.0 0.471 65.5 2010.0 0.475 62.5 2011.0 0.478 59.7 2012.0 0.481 56.9 2013.0 0.483 54.1 2014.0 0.485 51.3 2015.0 0.486 48.5 2016.0 0.486 45.8 2017.0 0.486 43.0 2018.0 0.485 40.2 2019.0 0.483 37.5 2020.0 0.481 34.7 2021.0 0.479 31.9 2022.0 0.476 29.0 2023.0 0.472 26.1 2024.0 0.468 23.2 2025.0 0.463 20.2 2026.0 0.458 17.1 2027.0 0.453 14.0 2028.0 0.448 10.8 2029.0 0.442 7.5 2030.0 0.436 4.1 2031.0 0.431 0.7 2032.0 0.425 357.1 2033.0 0.420 353.5 2034.0 0.414 349.7 2035.0 0.409 345.9 2036.0 0.405 342.0 2037.0 0.401 338.0 2038.0 0.397 333.9 2039.0 0.394 329.7 2040.0 0.392 325.5 2041.0 0.391 321.3 2042.0 0.390 317.0 2043.0 0.390 312.8 2044.0 0.391 308.5 2045.0 0.393 304.3 2046.0 0.395 300.1 2047.0 0.398 295.9 2048.0 0.402 291.9 2049.0 0.406 287.9 2050.0 0.410 284.0 2051.0 0.416 280.2 2052.0 0.421 276.5 2053.0 0.426 272.8 2054.0 0.432 269.3 2055.0 0.438 265.9 2056.0 0.444 262.5 2057.0 0.449 259.3 2058.0 0.454 256.1 2059.0 0.460 253.0 2060.0 0.464 249.9 2061.0 0.469 246.9 2062.0 0.473 244.0 2063.0 0.476 241.1 2064.0 0.479 238.3 2065.0 0.482 235.5 2066.0 0.484 232.7 2067.0 0.485 229.9 2068.0 0.486 227.1 2069.0 0.486 224.4 2070.0 0.485 221.6 2071.0 0.484 218.9 2072.0 0.483 216.1 2073.0 0.480 213.3 2074.0 0.477 210.4 2075.0 0.474 207.6 2076.0 0.470 204.6