| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:03:17 |
| WDS: | A361 | WDS ID/Discoverer |
| P: | 189.800 | Orbital period (years) |
| a: | 0.321 | Semi-major axis (arcseconds) |
| i: | 126.8 | Inclination (degrees) |
| Ω: | 95.5 | Longitude of ascending node (degrees) |
| T: | 1979.800 | Epoch of periastron passage (year) |
| e: | 0.822 | Eccentricity |
| ω: | 254.5 | Longitude of periastron (degrees) |
| Start-Year: | 1931.0 | Year |
| End-Year: | 2119.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 190725.31+081059.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19074+0811 | WDS designation |
| Discoverer Code: | A361 | Discover designation and components |
| ADS number: | 12054 | Aitken Double Star catalog |
| HD number: | 178216 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 10.0 | Magnitude of the primary |
| V2: | 10.2 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | 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 0.352 54.1 ------------------------- 1931.0 0.292 3.1 1932.0 0.290 2.3 1933.0 0.287 1.5 1934.0 0.284 0.7 1935.0 0.282 359.9 1936.0 0.279 359.0 1937.0 0.276 358.2 1938.0 0.273 357.3 1939.0 0.270 356.4 1940.0 0.267 355.5 1941.0 0.265 354.5 1942.0 0.262 353.6 1943.0 0.259 352.6 1944.0 0.255 351.6 1945.0 0.252 350.5 1946.0 0.249 349.5 1947.0 0.246 348.4 1948.0 0.243 347.3 1949.0 0.239 346.1 1950.0 0.236 344.9 1951.0 0.233 343.7 1952.0 0.229 342.5 1953.0 0.226 341.2 1954.0 0.222 339.9 1955.0 0.218 338.5 1956.0 0.215 337.1 1957.0 0.211 335.6 1958.0 0.207 334.1 1959.0 0.203 332.5 1960.0 0.199 330.8 1961.0 0.195 329.1 1962.0 0.190 327.3 1963.0 0.186 325.4 1964.0 0.181 323.4 1965.0 0.176 321.3 1966.0 0.172 319.1 1967.0 0.166 316.8 1968.0 0.161 314.3 1969.0 0.155 311.6 1970.0 0.149 308.8 1971.0 0.142 305.6 1972.0 0.135 302.2 1973.0 0.128 298.3 1974.0 0.119 293.9 1975.0 0.109 288.8 1976.0 0.097 282.5 1977.0 0.083 274.3 1978.0 0.067 262.5 1979.0 0.048 241.8 1980.0 0.035 199.8 1981.0 0.043 150.6 1982.0 0.063 125.2 1983.0 0.083 112.5 1984.0 0.102 104.7 1985.0 0.120 99.3 1986.0 0.135 95.1 1987.0 0.149 91.8 1988.0 0.162 89.0 1989.0 0.173 86.7 1990.0 0.184 84.6 1991.0 0.194 82.7 1992.0 0.204 81.0 1993.0 0.212 79.5 1994.0 0.221 78.1 1995.0 0.229 76.7 1996.0 0.236 75.5 1997.0 0.243 74.4 1998.0 0.250 73.3 1999.0 0.256 72.2 2000.0 0.262 71.2 2001.0 0.268 70.3 2002.0 0.273 69.4 2003.0 0.279 68.5 2004.0 0.284 67.6 2005.0 0.289 66.8 2006.0 0.293 66.0 2007.0 0.298 65.3 2008.0 0.302 64.5 2009.0 0.306 63.8 2010.0 0.310 63.1 2011.0 0.314 62.4 2012.0 0.317 61.7 2013.0 0.321 61.1 2014.0 0.324 60.5 2015.0 0.327 59.8 2016.0 0.330 59.2 2017.0 0.333 58.6 2018.0 0.336 58.0 2019.0 0.339 57.4 2020.0 0.341 56.8 2021.0 0.344 56.3 2022.0 0.346 55.7 2023.0 0.348 55.2 2024.0 0.350 54.6 2025.0 0.352 54.1 2026.0 0.354 53.5 2027.0 0.356 53.0 2028.0 0.358 52.5 2029.0 0.360 52.0 2030.0 0.362 51.5 2031.0 0.363 50.9 2032.0 0.365 50.4 2033.0 0.366 49.9 2034.0 0.367 49.4 2035.0 0.369 49.0 2036.0 0.370 48.5 2037.0 0.371 48.0 2038.0 0.372 47.5 2039.0 0.373 47.0 2040.0 0.374 46.5 2041.0 0.375 46.1 2042.0 0.376 45.6 2043.0 0.376 45.1 2044.0 0.377 44.6 2045.0 0.378 44.2 2046.0 0.378 43.7 2047.0 0.379 43.2 2048.0 0.379 42.8 2049.0 0.379 42.3 2050.0 0.380 41.9 2051.0 0.380 41.4 2052.0 0.380 40.9 2053.0 0.380 40.5 2054.0 0.380 40.0 2055.0 0.381 39.5 2056.0 0.381 39.1 2057.0 0.380 38.6 2058.0 0.380 38.2 2059.0 0.380 37.7 2060.0 0.380 37.2 2061.0 0.380 36.8 2062.0 0.380 36.3 2063.0 0.379 35.9 2064.0 0.379 35.4 2065.0 0.378 34.9 2066.0 0.378 34.5 2067.0 0.377 34.0 2068.0 0.377 33.5 2069.0 0.376 33.1 2070.0 0.376 32.6 2071.0 0.375 32.1 2072.0 0.374 31.6 2073.0 0.373 31.2 2074.0 0.373 30.7 2075.0 0.372 30.2 2076.0 0.371 29.7 2077.0 0.370 29.2 2078.0 0.369 28.7 2079.0 0.368 28.2 2080.0 0.367 27.8 2081.0 0.366 27.3 2082.0 0.365 26.8 2083.0 0.363 26.3 2084.0 0.362 25.7 2085.0 0.361 25.2 2086.0 0.360 24.7 2087.0 0.358 24.2 2088.0 0.357 23.7 2089.0 0.356 23.2 2090.0 0.354 22.6 2091.0 0.353 22.1 2092.0 0.351 21.6 2093.0 0.350 21.0 2094.0 0.348 20.5 2095.0 0.346 19.9 2096.0 0.345 19.4 2097.0 0.343 18.8 2098.0 0.341 18.2 2099.0 0.340 17.7 2100.0 0.338 17.1 2101.0 0.336 16.5 2102.0 0.334 15.9 2103.0 0.332 15.3 2104.0 0.330 14.7 2105.0 0.328 14.1 2106.0 0.326 13.4 2107.0 0.324 12.8 2108.0 0.322 12.2 2109.0 0.320 11.5 2110.0 0.318 10.9 2111.0 0.316 10.2 2112.0 0.313 9.5 2113.0 0.311 8.8 2114.0 0.309 8.2 2115.0 0.306 7.4 2116.0 0.304 6.7 2117.0 0.302 6.0 2118.0 0.299 5.3