| 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: | 1972.5 | Year |
| End-Year: | 2077.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for YSC12AB |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2018e | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.456 15.56 -------------------------- 1972.50 0.463 200.17 1973.50 0.458 197.11 1974.50 0.453 193.98 1975.50 0.448 190.78 1976.50 0.442 187.50 1977.50 0.436 184.13 1978.50 0.431 180.67 1979.50 0.425 177.12 1980.50 0.420 173.47 1981.50 0.414 169.73 1982.50 0.409 165.90 1983.50 0.405 161.97 1984.50 0.401 157.97 1985.50 0.397 153.88 1986.50 0.394 149.73 1987.50 0.392 145.53 1988.50 0.391 141.29 1989.50 0.390 137.03 1990.50 0.390 132.76 1991.50 0.391 128.50 1992.50 0.393 124.26 1993.50 0.395 120.07 1994.50 0.398 115.94 1995.50 0.402 111.87 1996.50 0.406 107.89 1997.50 0.410 103.98 1998.50 0.416 100.17 1999.50 0.421 96.45 2000.50 0.426 92.83 2001.50 0.432 89.30 2002.50 0.438 85.86 2003.50 0.444 82.51 2004.50 0.449 79.25 2005.50 0.454 76.07 2006.50 0.460 72.95 2007.50 0.464 69.91 2008.50 0.469 66.92 2009.50 0.473 63.99 2010.50 0.476 61.11 2011.50 0.479 58.26 2012.50 0.482 55.45 2013.50 0.484 52.66 2014.50 0.485 49.89 2015.50 0.486 47.14 2016.50 0.486 44.38 2017.50 0.485 41.63 2018.50 0.484 38.86 2019.50 0.483 36.08 2020.50 0.480 33.28 2021.50 0.477 30.44 2022.50 0.474 27.57 2023.50 0.470 24.65 2024.50 0.466 21.68 2025.50 0.461 18.65 2026.50 0.456 15.56 2027.50 0.451 12.39 2028.50 0.445 9.15 2029.50 0.439 5.82 2030.50 0.434 2.41 2031.50 0.428 358.90 2032.50 0.422 355.31 2033.50 0.417 351.61 2034.50 0.412 347.83 2035.50 0.407 343.95 2036.50 0.403 339.98 2037.50 0.399 335.93 2038.50 0.396 331.81 2039.50 0.393 327.64 2040.50 0.392 323.41 2041.50 0.390 319.16 2042.50 0.390 314.89 2043.50 0.391 310.63 2044.50 0.392 306.38 2045.50 0.394 302.16 2046.50 0.397 298.00 2047.50 0.400 293.90 2048.50 0.404 289.87 2049.50 0.408 285.92 2050.50 0.413 282.06 2051.50 0.418 278.30 2052.50 0.424 274.63 2053.50 0.429 271.05 2054.50 0.435 267.57 2055.50 0.441 264.18 2056.50 0.446 260.87 2057.50 0.452 257.65 2058.50 0.457 254.50 2059.50 0.462 251.42 2060.50 0.467 248.41 2061.50 0.471 245.45 2062.50 0.475 242.55 2063.50 0.478 239.68 2064.50 0.481 236.85 2065.50 0.483 234.05 2066.50 0.485 231.28 2067.50 0.486 228.51 2068.50 0.486 225.76 2069.50 0.486 223.01 2070.50 0.485 220.25 2071.50 0.483 217.48 2072.50 0.481 214.68 2073.50 0.479 211.86 2074.50 0.476 209.01 2075.50 0.472 206.11 2076.50 0.468 203.17
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:56:07 |