| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:54:18 |
| WDS: | HU1290 | WDS ID/Discoverer |
| P: | 294.940 | Orbital period (years) |
| a: | 0.4755 | Semi-major axis (arcseconds) |
| i: | 120.35 | Inclination (degrees) |
| Ω: | 110.45 | Longitude of ascending node (degrees) |
| T: | 1985.026 | Epoch of periastron passage (year) |
| e: | 0.2567 | Eccentricity |
| ω: | 80.56 | Longitude of periastron (degrees) |
| Start-Year: | 1878.0 | Year |
| End-Year: | 2172.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 180521.36+621558.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18054+6216 | WDS designation |
| Discoverer Code: | HU1290 | Discover designation and components |
| ADS number: | 11073 | Aitken Double Star catalog |
| HD number: | 166206 | HD catalog number |
| Hipparcos number: | 88592 | Hipparcos catalog number |
| V1: | 9.29 | Magnitude of the primary |
| V2: | 9.73 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1953 | 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 0.392 303.0 ------------------------- 1878.0 0.340 162.1 1879.0 0.343 161.0 1880.0 0.346 159.8 1881.0 0.349 158.7 1882.0 0.351 157.6 1883.0 0.354 156.5 1884.0 0.357 155.5 1885.0 0.360 154.4 1886.0 0.363 153.4 1887.0 0.366 152.4 1888.0 0.369 151.4 1889.0 0.372 150.4 1890.0 0.375 149.4 1891.0 0.378 148.5 1892.0 0.381 147.5 1893.0 0.384 146.6 1894.0 0.386 145.7 1895.0 0.389 144.8 1896.0 0.392 143.9 1897.0 0.395 143.1 1898.0 0.398 142.2 1899.0 0.401 141.4 1900.0 0.403 140.5 1901.0 0.406 139.7 1902.0 0.409 138.9 1903.0 0.411 138.1 1904.0 0.414 137.3 1905.0 0.416 136.5 1906.0 0.418 135.7 1907.0 0.421 135.0 1908.0 0.423 134.2 1909.0 0.425 133.5 1910.0 0.427 132.7 1911.0 0.429 132.0 1912.0 0.431 131.2 1913.0 0.433 130.5 1914.0 0.434 129.8 1915.0 0.436 129.1 1916.0 0.437 128.4 1917.0 0.439 127.7 1918.0 0.440 127.0 1919.0 0.441 126.3 1920.0 0.442 125.6 1921.0 0.443 124.9 1922.0 0.444 124.2 1923.0 0.444 123.5 1924.0 0.445 122.9 1925.0 0.445 122.2 1926.0 0.445 121.5 1927.0 0.445 120.8 1928.0 0.445 120.1 1929.0 0.445 119.5 1930.0 0.445 118.8 1931.0 0.444 118.1 1932.0 0.443 117.4 1933.0 0.442 116.7 1934.0 0.441 116.0 1935.0 0.440 115.3 1936.0 0.438 114.6 1937.0 0.437 113.9 1938.0 0.435 113.2 1939.0 0.433 112.5 1940.0 0.431 111.8 1941.0 0.428 111.1 1942.0 0.426 110.3 1943.0 0.423 109.6 1944.0 0.420 108.8 1945.0 0.417 108.0 1946.0 0.413 107.3 1947.0 0.410 106.5 1948.0 0.406 105.7 1949.0 0.402 104.8 1950.0 0.398 104.0 1951.0 0.393 103.1 1952.0 0.389 102.2 1953.0 0.384 101.3 1954.0 0.379 100.4 1955.0 0.374 99.5 1956.0 0.368 98.5 1957.0 0.363 97.5 1958.0 0.357 96.4 1959.0 0.351 95.4 1960.0 0.345 94.2 1961.0 0.339 93.1 1962.0 0.332 91.9 1963.0 0.325 90.6 1964.0 0.319 89.3 1965.0 0.312 88.0 1966.0 0.305 86.6 1967.0 0.298 85.1 1968.0 0.291 83.5 1969.0 0.283 81.9 1970.0 0.276 80.2 1971.0 0.269 78.4 1972.0 0.262 76.4 1973.0 0.254 74.4 1974.0 0.247 72.3 1975.0 0.240 70.0 1976.0 0.233 67.6 1977.0 0.226 65.0 1978.0 0.220 62.3 1979.0 0.214 59.5 1980.0 0.208 56.4 1981.0 0.202 53.2 1982.0 0.197 49.9 1983.0 0.193 46.3 1984.0 0.189 42.6 1985.0 0.186 38.8 1986.0 0.183 34.8 1987.0 0.181 30.7 1988.0 0.180 26.6 1989.0 0.179 22.4 1990.0 0.179 18.2 1991.0 0.180 14.0 1992.0 0.182 9.9 1993.0 0.185 5.9 1994.0 0.188 2.0 1995.0 0.192 358.2 1996.0 0.196 354.6 1997.0 0.201 351.2 1998.0 0.206 348.0 1999.0 0.212 344.9 2000.0 0.218 342.0 2001.0 0.225 339.2 2002.0 0.231 336.6 2003.0 0.238 334.2 2004.0 0.246 331.9 2005.0 0.253 329.7 2006.0 0.260 327.7 2007.0 0.268 325.7 2008.0 0.275 323.9 2009.0 0.283 322.2 2010.0 0.290 320.5 2011.0 0.298 319.0 2012.0 0.305 317.5 2013.0 0.312 316.1 2014.0 0.320 314.7 2015.0 0.327 313.4 2016.0 0.334 312.2 2017.0 0.341 311.0 2018.0 0.348 309.9 2019.0 0.355 308.8 2020.0 0.361 307.7 2021.0 0.368 306.7 2022.0 0.374 305.7 2023.0 0.380 304.8 2024.0 0.386 303.9 2025.0 0.392 303.0 2026.0 0.397 302.1 2027.0 0.403 301.3 2028.0 0.408 300.4 2029.0 0.413 299.6 2030.0 0.418 298.9 2031.0 0.423 298.1 2032.0 0.427 297.4 2033.0 0.432 296.6 2034.0 0.436 295.9 2035.0 0.440 295.2 2036.0 0.444 294.5 2037.0 0.447 293.8 2038.0 0.451 293.2 2039.0 0.454 292.5 2040.0 0.457 291.9 2041.0 0.460 291.2 2042.0 0.463 290.6 2043.0 0.466 290.0 2044.0 0.468 289.3 2045.0 0.470 288.7 2046.0 0.473 288.1 2047.0 0.474 287.5 2048.0 0.476 286.9 2049.0 0.478 286.3 2050.0 0.479 285.7 2051.0 0.481 285.2 2052.0 0.482 284.6 2053.0 0.483 284.0 2054.0 0.484 283.4 2055.0 0.484 282.8 2056.0 0.485 282.3 2057.0 0.485 281.7 2058.0 0.486 281.1 2059.0 0.486 280.6 2060.0 0.486 280.0 2061.0 0.486 279.4 2062.0 0.485 278.8 2063.0 0.485 278.3 2064.0 0.484 277.7 2065.0 0.484 277.1 2066.0 0.483 276.5 2067.0 0.482 276.0 2068.0 0.481 275.4 2069.0 0.480 274.8 2070.0 0.479 274.2 2071.0 0.478 273.6 2072.0 0.476 273.0 2073.0 0.475 272.4 2074.0 0.473 271.8 2075.0 0.471 271.2 2076.0 0.469 270.6 2077.0 0.468 270.0 2078.0 0.466 269.4 2079.0 0.464 268.8 2080.0 0.461 268.1 2081.0 0.459 267.5 2082.0 0.457 266.9 2083.0 0.455 266.2 2084.0 0.452 265.6 2085.0 0.450 264.9 2086.0 0.447 264.2 2087.0 0.444 263.5 2088.0 0.442 262.9 2089.0 0.439 262.2 2090.0 0.436 261.5 2091.0 0.433 260.7 2092.0 0.430 260.0 2093.0 0.427 259.3 2094.0 0.424 258.5 2095.0 0.421 257.8 2096.0 0.418 257.0 2097.0 0.415 256.2 2098.0 0.412 255.5 2099.0 0.409 254.7 2100.0 0.406 253.8 2101.0 0.403 253.0 2102.0 0.399 252.2 2103.0 0.396 251.3 2104.0 0.393 250.5 2105.0 0.390 249.6 2106.0 0.386 248.7 2107.0 0.383 247.8 2108.0 0.380 246.9 2109.0 0.377 245.9 2110.0 0.374 245.0 2111.0 0.370 244.0 2112.0 0.367 243.0 2113.0 0.364 242.0 2114.0 0.361 241.0 2115.0 0.358 239.9 2116.0 0.355 238.9 2117.0 0.352 237.8 2118.0 0.349 236.7 2119.0 0.346 235.6 2120.0 0.343 234.4 2121.0 0.340 233.3 2122.0 0.338 232.1 2123.0 0.335 230.9 2124.0 0.332 229.7 2125.0 0.330 228.5 2126.0 0.327 227.2 2127.0 0.325 225.9 2128.0 0.323 224.7 2129.0 0.320 223.4 2130.0 0.318 222.0 2131.0 0.316 220.7 2132.0 0.314 219.3 2133.0 0.313 218.0 2134.0 0.311 216.6 2135.0 0.309 215.2 2136.0 0.308 213.8 2137.0 0.307 212.3 2138.0 0.305 210.9 2139.0 0.304 209.5 2140.0 0.303 208.0 2141.0 0.303 206.5 2142.0 0.302 205.1 2143.0 0.301 203.6 2144.0 0.301 202.1 2145.0 0.301 200.6 2146.0 0.300 199.1 2147.0 0.300 197.6 2148.0 0.300 196.1 2149.0 0.301 194.6 2150.0 0.301 193.1 2151.0 0.302 191.6 2152.0 0.302 190.2 2153.0 0.303 188.7 2154.0 0.304 187.2 2155.0 0.305 185.8 2156.0 0.306 184.3 2157.0 0.307 182.9 2158.0 0.309 181.5 2159.0 0.310 180.1 2160.0 0.312 178.7 2161.0 0.313 177.3 2162.0 0.315 175.9 2163.0 0.317 174.6 2164.0 0.319 173.2 2165.0 0.321 171.9 2166.0 0.323 170.6 2167.0 0.326 169.4 2168.0 0.328 168.1 2169.0 0.330 166.8 2170.0 0.333 165.6 2171.0 0.335 164.4