| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:40:26 |
| WDS: | I489 | WDS ID/Discoverer |
| P: | 261.060 | Orbital period (years) |
| a: | 0.504 | Semi-major axis (arcseconds) |
| i: | 122.1 | Inclination (degrees) |
| Ω: | 96.9 | Longitude of ascending node (degrees) |
| T: | 2005.970 | Epoch of periastron passage (year) |
| e: | 0.241 | Eccentricity |
| ω: | 141.0 | Longitude of periastron (degrees) |
| Start-Year: | 1895.0 | Year |
| End-Year: | 2155.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 083130.94-193438.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 08315-1935 | WDS designation |
| Discoverer Code: | I489 | Discover designation and components |
| ADS number: | 6862 | Aitken Double Star catalog |
| HD number: | 72310 | HD catalog number |
| Hipparcos number: | 41817 | Hipparcos catalog number |
| V1: | 5.82 | Magnitude of the primary |
| V2: | 6.67 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | 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 0.403 275.0 ------------------------- 1895.0 0.585 108.9 1896.0 0.587 108.4 1897.0 0.588 107.9 1898.0 0.590 107.4 1899.0 0.591 106.8 1900.0 0.592 106.3 1901.0 0.593 105.8 1902.0 0.594 105.3 1903.0 0.594 104.8 1904.0 0.595 104.3 1905.0 0.595 103.8 1906.0 0.595 103.2 1907.0 0.595 102.7 1908.0 0.595 102.2 1909.0 0.595 101.7 1910.0 0.594 101.2 1911.0 0.594 100.7 1912.0 0.593 100.2 1913.0 0.592 99.7 1914.0 0.591 99.1 1915.0 0.589 98.6 1916.0 0.588 98.1 1917.0 0.586 97.6 1918.0 0.585 97.1 1919.0 0.583 96.5 1920.0 0.581 96.0 1921.0 0.578 95.5 1922.0 0.576 94.9 1923.0 0.573 94.4 1924.0 0.571 93.8 1925.0 0.568 93.3 1926.0 0.564 92.7 1927.0 0.561 92.1 1928.0 0.558 91.5 1929.0 0.554 91.0 1930.0 0.550 90.4 1931.0 0.546 89.8 1932.0 0.542 89.2 1933.0 0.538 88.5 1934.0 0.533 87.9 1935.0 0.529 87.3 1936.0 0.524 86.6 1937.0 0.519 85.9 1938.0 0.514 85.3 1939.0 0.508 84.6 1940.0 0.503 83.9 1941.0 0.497 83.1 1942.0 0.491 82.4 1943.0 0.485 81.6 1944.0 0.479 80.9 1945.0 0.473 80.1 1946.0 0.466 79.3 1947.0 0.459 78.4 1948.0 0.453 77.5 1949.0 0.446 76.6 1950.0 0.439 75.7 1951.0 0.431 74.8 1952.0 0.424 73.8 1953.0 0.417 72.8 1954.0 0.409 71.7 1955.0 0.401 70.6 1956.0 0.394 69.5 1957.0 0.386 68.3 1958.0 0.378 67.0 1959.0 0.370 65.7 1960.0 0.362 64.4 1961.0 0.354 63.0 1962.0 0.345 61.5 1963.0 0.337 59.9 1964.0 0.329 58.3 1965.0 0.321 56.6 1966.0 0.313 54.8 1967.0 0.305 52.9 1968.0 0.297 50.9 1969.0 0.290 48.8 1970.0 0.282 46.6 1971.0 0.275 44.3 1972.0 0.268 41.8 1973.0 0.261 39.2 1974.0 0.255 36.5 1975.0 0.249 33.7 1976.0 0.243 30.7 1977.0 0.238 27.6 1978.0 0.233 24.3 1979.0 0.229 20.9 1980.0 0.225 17.4 1981.0 0.223 13.8 1982.0 0.220 10.1 1983.0 0.219 6.4 1984.0 0.218 2.6 1985.0 0.218 358.8 1986.0 0.219 355.0 1987.0 0.220 351.2 1988.0 0.222 347.5 1989.0 0.225 343.9 1990.0 0.228 340.4 1991.0 0.232 337.0 1992.0 0.236 333.7 1993.0 0.241 330.5 1994.0 0.247 327.5 1995.0 0.252 324.6 1996.0 0.258 321.8 1997.0 0.264 319.1 1998.0 0.271 316.6 1999.0 0.277 314.2 2000.0 0.284 311.9 2001.0 0.291 309.7 2002.0 0.297 307.6 2003.0 0.304 305.6 2004.0 0.311 303.7 2005.0 0.317 301.9 2006.0 0.324 300.1 2007.0 0.330 298.4 2008.0 0.336 296.8 2009.0 0.342 295.2 2010.0 0.348 293.7 2011.0 0.354 292.3 2012.0 0.359 290.8 2013.0 0.364 289.5 2014.0 0.369 288.1 2015.0 0.374 286.8 2016.0 0.378 285.5 2017.0 0.382 284.3 2018.0 0.386 283.1 2019.0 0.389 281.8 2020.0 0.392 280.7 2021.0 0.395 279.5 2022.0 0.397 278.3 2023.0 0.399 277.2 2024.0 0.401 276.1 2025.0 0.403 275.0 2026.0 0.404 273.8 2027.0 0.405 272.7 2028.0 0.405 271.6 2029.0 0.406 270.5 2030.0 0.406 269.4 2031.0 0.406 268.3 2032.0 0.405 267.3 2033.0 0.404 266.1 2034.0 0.403 265.0 2035.0 0.402 263.9 2036.0 0.401 262.8 2037.0 0.399 261.7 2038.0 0.397 260.5 2039.0 0.395 259.4 2040.0 0.393 258.2 2041.0 0.390 257.0 2042.0 0.388 255.8 2043.0 0.385 254.6 2044.0 0.382 253.4 2045.0 0.379 252.2 2046.0 0.376 250.9 2047.0 0.373 249.6 2048.0 0.369 248.3 2049.0 0.366 246.9 2050.0 0.362 245.6 2051.0 0.359 244.2 2052.0 0.355 242.8 2053.0 0.352 241.3 2054.0 0.348 239.9 2055.0 0.344 238.3 2056.0 0.341 236.8 2057.0 0.337 235.2 2058.0 0.334 233.6 2059.0 0.330 232.0 2060.0 0.327 230.3 2061.0 0.324 228.6 2062.0 0.321 226.9 2063.0 0.318 225.1 2064.0 0.315 223.3 2065.0 0.312 221.5 2066.0 0.309 219.6 2067.0 0.307 217.7 2068.0 0.305 215.8 2069.0 0.303 213.8 2070.0 0.301 211.8 2071.0 0.299 209.8 2072.0 0.298 207.8 2073.0 0.297 205.7 2074.0 0.296 203.7 2075.0 0.295 201.6 2076.0 0.295 199.5 2077.0 0.294 197.4 2078.0 0.294 195.4 2079.0 0.295 193.3 2080.0 0.295 191.2 2081.0 0.296 189.1 2082.0 0.297 187.1 2083.0 0.299 185.0 2084.0 0.300 183.0 2085.0 0.302 181.0 2086.0 0.304 179.1 2087.0 0.306 177.1 2088.0 0.309 175.2 2089.0 0.312 173.3 2090.0 0.315 171.5 2091.0 0.318 169.7 2092.0 0.321 167.9 2093.0 0.325 166.2 2094.0 0.328 164.5 2095.0 0.332 162.8 2096.0 0.336 161.2 2097.0 0.340 159.6 2098.0 0.345 158.1 2099.0 0.349 156.6 2100.0 0.353 155.1 2101.0 0.358 153.7 2102.0 0.363 152.3 2103.0 0.368 151.0 2104.0 0.372 149.6 2105.0 0.377 148.4 2106.0 0.382 147.1 2107.0 0.387 145.9 2108.0 0.392 144.7 2109.0 0.397 143.5 2110.0 0.403 142.4 2111.0 0.408 141.3 2112.0 0.413 140.2 2113.0 0.418 139.2 2114.0 0.423 138.2 2115.0 0.428 137.2 2116.0 0.433 136.2 2117.0 0.439 135.2 2118.0 0.444 134.3 2119.0 0.449 133.4 2120.0 0.454 132.5 2121.0 0.459 131.7 2122.0 0.464 130.8 2123.0 0.469 130.0 2124.0 0.474 129.2 2125.0 0.478 128.4 2126.0 0.483 127.6 2127.0 0.488 126.8 2128.0 0.493 126.1 2129.0 0.497 125.3 2130.0 0.502 124.6 2131.0 0.506 123.9 2132.0 0.511 123.2 2133.0 0.515 122.5 2134.0 0.519 121.8 2135.0 0.523 121.2 2136.0 0.527 120.5 2137.0 0.531 119.9 2138.0 0.535 119.2 2139.0 0.539 118.6 2140.0 0.542 118.0 2141.0 0.546 117.4 2142.0 0.549 116.8 2143.0 0.553 116.2 2144.0 0.556 115.6 2145.0 0.559 115.0 2146.0 0.562 114.4 2147.0 0.565 113.9 2148.0 0.568 113.3 2149.0 0.570 112.7 2150.0 0.573 112.2 2151.0 0.575 111.6 2152.0 0.577 111.1 2153.0 0.580 110.6 2154.0 0.582 110.0