| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:56:13 |
| WDS: | HU1291 | WDS ID/Discoverer |
| P: | 215.890 | Orbital period (years) |
| a: | 0.332 | Semi-major axis (arcseconds) |
| i: | 147.4 | Inclination (degrees) |
| Ω: | 92.0 | Longitude of ascending node (degrees) |
| T: | 1988.750 | Epoch of periastron passage (year) |
| e: | 0.683 | Eccentricity |
| ω: | 278.0 | Longitude of periastron (degrees) |
| Start-Year: | 1918.0 | Year |
| End-Year: | 2132.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 181616.75+362518.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18163+3625 | WDS designation |
| Discoverer Code: | HU1291 | Discover designation and components |
| ADS number: | 11225 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.3 | Magnitude of the primary |
| V2: | 10.0 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.328 39.2 ------------------------- 1918.0 0.446 333.1 1919.0 0.444 332.5 1920.0 0.442 331.9 1921.0 0.440 331.3 1922.0 0.438 330.7 1923.0 0.436 330.2 1924.0 0.434 329.6 1925.0 0.432 329.0 1926.0 0.430 328.3 1927.0 0.428 327.7 1928.0 0.425 327.1 1929.0 0.423 326.5 1930.0 0.421 325.8 1931.0 0.418 325.2 1932.0 0.415 324.6 1933.0 0.413 323.9 1934.0 0.410 323.2 1935.0 0.407 322.5 1936.0 0.404 321.9 1937.0 0.401 321.2 1938.0 0.398 320.5 1939.0 0.395 319.7 1940.0 0.392 319.0 1941.0 0.389 318.3 1942.0 0.385 317.5 1943.0 0.382 316.7 1944.0 0.378 316.0 1945.0 0.374 315.2 1946.0 0.371 314.3 1947.0 0.367 313.5 1948.0 0.363 312.7 1949.0 0.359 311.8 1950.0 0.355 310.9 1951.0 0.350 310.0 1952.0 0.346 309.1 1953.0 0.341 308.1 1954.0 0.337 307.1 1955.0 0.332 306.1 1956.0 0.327 305.1 1957.0 0.322 304.0 1958.0 0.317 302.9 1959.0 0.312 301.7 1960.0 0.306 300.6 1961.0 0.301 299.3 1962.0 0.295 298.1 1963.0 0.289 296.7 1964.0 0.283 295.3 1965.0 0.277 293.9 1966.0 0.270 292.4 1967.0 0.263 290.8 1968.0 0.257 289.1 1969.0 0.249 287.4 1970.0 0.242 285.5 1971.0 0.235 283.5 1972.0 0.227 281.4 1973.0 0.219 279.1 1974.0 0.210 276.6 1975.0 0.202 274.0 1976.0 0.193 271.1 1977.0 0.184 267.9 1978.0 0.174 264.3 1979.0 0.165 260.4 1980.0 0.155 255.9 1981.0 0.144 250.9 1982.0 0.134 245.0 1983.0 0.124 238.2 1984.0 0.114 230.2 1985.0 0.105 220.8 1986.0 0.098 209.8 1987.0 0.092 197.1 1988.0 0.089 183.3 1989.0 0.089 169.0 1990.0 0.093 155.2 1991.0 0.098 142.8 1992.0 0.106 132.0 1993.0 0.115 122.7 1994.0 0.124 114.7 1995.0 0.134 107.9 1996.0 0.143 102.0 1997.0 0.152 96.8 1998.0 0.161 92.2 1999.0 0.170 88.1 2000.0 0.179 84.3 2001.0 0.187 81.0 2002.0 0.195 77.9 2003.0 0.203 75.0 2004.0 0.210 72.3 2005.0 0.218 69.9 2006.0 0.225 67.6 2007.0 0.231 65.4 2008.0 0.238 63.3 2009.0 0.244 61.4 2010.0 0.251 59.5 2011.0 0.257 57.8 2012.0 0.263 56.1 2013.0 0.268 54.5 2014.0 0.274 53.0 2015.0 0.280 51.5 2016.0 0.285 50.1 2017.0 0.290 48.7 2018.0 0.295 47.4 2019.0 0.300 46.1 2020.0 0.305 44.9 2021.0 0.310 43.7 2022.0 0.314 42.5 2023.0 0.319 41.4 2024.0 0.323 40.3 2025.0 0.328 39.2 2026.0 0.332 38.2 2027.0 0.336 37.2 2028.0 0.340 36.2 2029.0 0.344 35.2 2030.0 0.348 34.3 2031.0 0.352 33.3 2032.0 0.356 32.4 2033.0 0.359 31.6 2034.0 0.363 30.7 2035.0 0.366 29.8 2036.0 0.370 29.0 2037.0 0.373 28.2 2038.0 0.377 27.4 2039.0 0.380 26.6 2040.0 0.383 25.8 2041.0 0.386 25.1 2042.0 0.389 24.3 2043.0 0.392 23.6 2044.0 0.395 22.8 2045.0 0.398 22.1 2046.0 0.401 21.4 2047.0 0.403 20.7 2048.0 0.406 20.0 2049.0 0.409 19.3 2050.0 0.411 18.7 2051.0 0.414 18.0 2052.0 0.416 17.3 2053.0 0.418 16.7 2054.0 0.421 16.0 2055.0 0.423 15.4 2056.0 0.425 14.8 2057.0 0.427 14.2 2058.0 0.429 13.5 2059.0 0.431 12.9 2060.0 0.433 12.3 2061.0 0.435 11.7 2062.0 0.437 11.1 2063.0 0.439 10.5 2064.0 0.441 10.0 2065.0 0.443 9.4 2066.0 0.444 8.8 2067.0 0.446 8.2 2068.0 0.448 7.7 2069.0 0.449 7.1 2070.0 0.451 6.5 2071.0 0.452 6.0 2072.0 0.453 5.4 2073.0 0.455 4.9 2074.0 0.456 4.3 2075.0 0.457 3.8 2076.0 0.458 3.3 2077.0 0.460 2.7 2078.0 0.461 2.2 2079.0 0.462 1.7 2080.0 0.463 1.1 2081.0 0.464 0.6 2082.0 0.465 0.1 2083.0 0.465 359.5 2084.0 0.466 359.0 2085.0 0.467 358.5 2086.0 0.468 358.0 2087.0 0.468 357.5 2088.0 0.469 357.0 2089.0 0.470 356.4 2090.0 0.470 355.9 2091.0 0.471 355.4 2092.0 0.471 354.9 2093.0 0.472 354.4 2094.0 0.472 353.9 2095.0 0.472 353.4 2096.0 0.472 352.9 2097.0 0.473 352.4 2098.0 0.473 351.9 2099.0 0.473 351.4 2100.0 0.473 350.9 2101.0 0.473 350.4 2102.0 0.473 349.8 2103.0 0.473 349.3 2104.0 0.473 348.8 2105.0 0.473 348.3 2106.0 0.472 347.8 2107.0 0.472 347.3 2108.0 0.472 346.8 2109.0 0.471 346.3 2110.0 0.471 345.8 2111.0 0.471 345.3 2112.0 0.470 344.8 2113.0 0.469 344.3 2114.0 0.469 343.7 2115.0 0.468 343.2 2116.0 0.467 342.7 2117.0 0.467 342.2 2118.0 0.466 341.7 2119.0 0.465 341.1 2120.0 0.464 340.6 2121.0 0.463 340.1 2122.0 0.462 339.6 2123.0 0.461 339.0 2124.0 0.460 338.5 2125.0 0.459 338.0 2126.0 0.457 337.4 2127.0 0.456 336.9 2128.0 0.455 336.3 2129.0 0.453 335.8 2130.0 0.452 335.2 2131.0 0.450 334.7