| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:33:28 |
| WDS: | BU172AB | WDS ID/Discoverer |
| P: | 145.070 | Orbital period (years) |
| a: | 0.402 | Semi-major axis (arcseconds) |
| i: | 161.4 | Inclination (degrees) |
| Ω: | 113.5 | Longitude of ascending node (degrees) |
| T: | 1987.660 | Epoch of periastron passage (year) |
| e: | 0.702 | Eccentricity |
| ω: | 296.9 | Longitude of periastron (degrees) |
| Start-Year: | 1953.0 | Year |
| End-Year: | 2097.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 222406.87-045013.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22241-0450 | WDS designation |
| Discoverer Code: | BU172AB | Discover designation and components |
| ADS number: | 15902 | Aitken Double Star catalog |
| HD number: | 212404 | HD catalog number |
| Hipparcos number: | 110578 | Hipparcos catalog number |
| V1: | 6.45 | Magnitude of the primary |
| V2: | 6.63 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2014 | Date of last observation |
| Orbit grade: | 2 | 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 0.536 20.8 ------------------------- 1953.0 0.536 328.3 1954.0 0.529 327.4 1955.0 0.521 326.4 1956.0 0.513 325.4 1957.0 0.505 324.3 1958.0 0.497 323.2 1959.0 0.488 322.1 1960.0 0.479 321.0 1961.0 0.470 319.8 1962.0 0.460 318.5 1963.0 0.450 317.2 1964.0 0.440 315.8 1965.0 0.429 314.4 1966.0 0.418 312.9 1967.0 0.407 311.3 1968.0 0.395 309.6 1969.0 0.383 307.8 1970.0 0.371 305.9 1971.0 0.358 303.9 1972.0 0.344 301.7 1973.0 0.330 299.3 1974.0 0.316 296.7 1975.0 0.301 293.9 1976.0 0.285 290.7 1977.0 0.269 287.2 1978.0 0.253 283.2 1979.0 0.235 278.7 1980.0 0.218 273.4 1981.0 0.200 267.2 1982.0 0.182 259.7 1983.0 0.164 250.7 1984.0 0.147 239.5 1985.0 0.132 225.5 1986.0 0.121 208.5 1987.0 0.115 188.9 1988.0 0.116 168.4 1989.0 0.123 149.2 1990.0 0.134 132.7 1991.0 0.148 118.9 1992.0 0.163 107.7 1993.0 0.179 98.4 1994.0 0.195 90.7 1995.0 0.211 84.1 1996.0 0.227 78.5 1997.0 0.242 73.5 1998.0 0.257 69.2 1999.0 0.272 65.3 2000.0 0.286 61.8 2001.0 0.300 58.7 2002.0 0.313 55.8 2003.0 0.326 53.1 2004.0 0.339 50.7 2005.0 0.351 48.4 2006.0 0.363 46.3 2007.0 0.375 44.3 2008.0 0.386 42.4 2009.0 0.397 40.7 2010.0 0.408 39.0 2011.0 0.418 37.4 2012.0 0.429 35.9 2013.0 0.438 34.5 2014.0 0.448 33.1 2015.0 0.457 31.8 2016.0 0.466 30.5 2017.0 0.475 29.3 2018.0 0.483 28.1 2019.0 0.492 27.0 2020.0 0.500 25.9 2021.0 0.507 24.8 2022.0 0.515 23.8 2023.0 0.522 22.8 2024.0 0.529 21.8 2025.0 0.536 20.8 2026.0 0.543 19.9 2027.0 0.549 19.0 2028.0 0.555 18.1 2029.0 0.561 17.2 2030.0 0.567 16.4 2031.0 0.573 15.5 2032.0 0.578 14.7 2033.0 0.583 13.9 2034.0 0.589 13.1 2035.0 0.593 12.4 2036.0 0.598 11.6 2037.0 0.602 10.8 2038.0 0.607 10.1 2039.0 0.611 9.4 2040.0 0.615 8.7 2041.0 0.618 7.9 2042.0 0.622 7.2 2043.0 0.625 6.5 2044.0 0.628 5.9 2045.0 0.631 5.2 2046.0 0.634 4.5 2047.0 0.637 3.8 2048.0 0.639 3.2 2049.0 0.642 2.5 2050.0 0.644 1.8 2051.0 0.646 1.2 2052.0 0.648 0.5 2053.0 0.649 359.9 2054.0 0.651 359.3 2055.0 0.652 358.6 2056.0 0.653 358.0 2057.0 0.654 357.4 2058.0 0.655 356.7 2059.0 0.655 356.1 2060.0 0.656 355.5 2061.0 0.656 354.8 2062.0 0.656 354.2 2063.0 0.656 353.6 2064.0 0.656 352.9 2065.0 0.655 352.3 2066.0 0.655 351.7 2067.0 0.654 351.1 2068.0 0.653 350.4 2069.0 0.652 349.8 2070.0 0.651 349.1 2071.0 0.649 348.5 2072.0 0.648 347.9 2073.0 0.646 347.2 2074.0 0.644 346.6 2075.0 0.642 345.9 2076.0 0.639 345.3 2077.0 0.637 344.6 2078.0 0.634 343.9 2079.0 0.631 343.2 2080.0 0.628 342.6 2081.0 0.625 341.9 2082.0 0.621 341.2 2083.0 0.617 340.5 2084.0 0.613 339.7 2085.0 0.609 339.0 2086.0 0.605 338.3 2087.0 0.601 337.5 2088.0 0.596 336.8 2089.0 0.591 336.0 2090.0 0.586 335.2 2091.0 0.580 334.4 2092.0 0.575 333.6 2093.0 0.569 332.8 2094.0 0.563 332.0 2095.0 0.557 331.1 2096.0 0.550 330.2