| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:30:53 |
| WDS: | I674 | WDS ID/Discoverer |
| P: | 301.000 | Orbital period (years) |
| a: | 0.5 | Semi-major axis (arcseconds) |
| i: | 59.7 | Inclination (degrees) |
| Ω: | 69.4 | Longitude of ascending node (degrees) |
| T: | 2007.870 | Epoch of periastron passage (year) |
| e: | 0.852 | Eccentricity |
| ω: | 44.5 | Longitude of periastron (degrees) |
| Start-Year: | 1875.0 | Year |
| End-Year: | 2175.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 220019.88-233003.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22003-2330 | WDS designation |
| Discoverer Code: | I674 | Discover designation and components |
| ADS number: | 15526 | Aitken Double Star catalog |
| HD number: | 208955 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.7 | Magnitude of the primary |
| V2: | 9.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 3 | 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 0.317 247.5 ------------------------- 1875.0 0.706 278.4 1876.0 0.704 278.6 1877.0 0.701 278.8 1878.0 0.699 278.9 1879.0 0.697 279.1 1880.0 0.694 279.2 1881.0 0.692 279.4 1882.0 0.690 279.6 1883.0 0.687 279.7 1884.0 0.684 279.9 1885.0 0.682 280.1 1886.0 0.679 280.2 1887.0 0.677 280.4 1888.0 0.674 280.6 1889.0 0.671 280.8 1890.0 0.668 280.9 1891.0 0.665 281.1 1892.0 0.662 281.3 1893.0 0.660 281.5 1894.0 0.657 281.7 1895.0 0.653 281.8 1896.0 0.650 282.0 1897.0 0.647 282.2 1898.0 0.644 282.4 1899.0 0.641 282.6 1900.0 0.638 282.8 1901.0 0.634 283.0 1902.0 0.631 283.2 1903.0 0.628 283.4 1904.0 0.624 283.6 1905.0 0.621 283.8 1906.0 0.617 284.0 1907.0 0.614 284.2 1908.0 0.610 284.4 1909.0 0.606 284.6 1910.0 0.603 284.8 1911.0 0.599 285.1 1912.0 0.595 285.3 1913.0 0.591 285.5 1914.0 0.587 285.7 1915.0 0.583 286.0 1916.0 0.579 286.2 1917.0 0.575 286.4 1918.0 0.571 286.7 1919.0 0.567 286.9 1920.0 0.563 287.2 1921.0 0.559 287.4 1922.0 0.555 287.7 1923.0 0.550 287.9 1924.0 0.546 288.2 1925.0 0.542 288.5 1926.0 0.537 288.7 1927.0 0.533 289.0 1928.0 0.528 289.3 1929.0 0.524 289.6 1930.0 0.519 289.9 1931.0 0.514 290.2 1932.0 0.510 290.5 1933.0 0.505 290.8 1934.0 0.500 291.1 1935.0 0.495 291.4 1936.0 0.490 291.7 1937.0 0.485 292.1 1938.0 0.480 292.4 1939.0 0.475 292.7 1940.0 0.470 293.1 1941.0 0.465 293.5 1942.0 0.460 293.8 1943.0 0.455 294.2 1944.0 0.449 294.6 1945.0 0.444 295.0 1946.0 0.439 295.4 1947.0 0.433 295.8 1948.0 0.428 296.2 1949.0 0.422 296.7 1950.0 0.417 297.1 1951.0 0.411 297.6 1952.0 0.405 298.1 1953.0 0.400 298.5 1954.0 0.394 299.0 1955.0 0.388 299.6 1956.0 0.382 300.1 1957.0 0.376 300.6 1958.0 0.370 301.2 1959.0 0.364 301.8 1960.0 0.358 302.4 1961.0 0.352 303.0 1962.0 0.346 303.7 1963.0 0.340 304.4 1964.0 0.334 305.0 1965.0 0.327 305.8 1966.0 0.321 306.5 1967.0 0.315 307.3 1968.0 0.308 308.1 1969.0 0.302 309.0 1970.0 0.295 309.9 1971.0 0.289 310.8 1972.0 0.282 311.7 1973.0 0.276 312.8 1974.0 0.269 313.8 1975.0 0.262 314.9 1976.0 0.256 316.1 1977.0 0.249 317.4 1978.0 0.243 318.7 1979.0 0.236 320.0 1980.0 0.229 321.5 1981.0 0.223 323.1 1982.0 0.216 324.7 1983.0 0.209 326.5 1984.0 0.203 328.3 1985.0 0.196 330.3 1986.0 0.190 332.4 1987.0 0.183 334.7 1988.0 0.177 337.1 1989.0 0.171 339.7 1990.0 0.165 342.5 1991.0 0.159 345.6 1992.0 0.153 348.8 1993.0 0.148 352.3 1994.0 0.143 356.0 1995.0 0.138 0.0 1996.0 0.133 4.3 1997.0 0.129 8.9 1998.0 0.125 13.9 1999.0 0.121 19.1 2000.0 0.118 24.6 2001.0 0.114 30.5 2002.0 0.111 36.7 2003.0 0.107 43.3 2004.0 0.103 50.4 2005.0 0.096 58.4 2006.0 0.087 67.8 2007.0 0.074 80.0 2008.0 0.057 98.8 2009.0 0.044 132.0 2010.0 0.047 173.9 2011.0 0.065 200.7 2012.0 0.087 214.7 2013.0 0.110 222.9 2014.0 0.133 228.3 2015.0 0.154 232.2 2016.0 0.174 235.1 2017.0 0.193 237.5 2018.0 0.211 239.4 2019.0 0.228 241.1 2020.0 0.244 242.5 2021.0 0.260 243.7 2022.0 0.275 244.8 2023.0 0.289 245.8 2024.0 0.303 246.7 2025.0 0.317 247.5 2026.0 0.329 248.3 2027.0 0.342 249.0 2028.0 0.354 249.6 2029.0 0.365 250.3 2030.0 0.377 250.8 2031.0 0.387 251.4 2032.0 0.398 251.9 2033.0 0.408 252.4 2034.0 0.418 252.8 2035.0 0.428 253.3 2036.0 0.437 253.7 2037.0 0.446 254.1 2038.0 0.455 254.5 2039.0 0.464 254.9 2040.0 0.472 255.2 2041.0 0.480 255.6 2042.0 0.488 255.9 2043.0 0.496 256.2 2044.0 0.504 256.5 2045.0 0.511 256.9 2046.0 0.518 257.2 2047.0 0.525 257.4 2048.0 0.532 257.7 2049.0 0.539 258.0 2050.0 0.545 258.3 2051.0 0.552 258.5 2052.0 0.558 258.8 2053.0 0.564 259.0 2054.0 0.570 259.3 2055.0 0.576 259.5 2056.0 0.582 259.8 2057.0 0.587 260.0 2058.0 0.593 260.2 2059.0 0.598 260.4 2060.0 0.603 260.7 2061.0 0.608 260.9 2062.0 0.613 261.1 2063.0 0.618 261.3 2064.0 0.623 261.5 2065.0 0.627 261.7 2066.0 0.632 261.9 2067.0 0.636 262.1 2068.0 0.641 262.3 2069.0 0.645 262.5 2070.0 0.649 262.7 2071.0 0.653 262.9 2072.0 0.657 263.0 2073.0 0.661 263.2 2074.0 0.664 263.4 2075.0 0.668 263.6 2076.0 0.672 263.8 2077.0 0.675 263.9 2078.0 0.678 264.1 2079.0 0.682 264.3 2080.0 0.685 264.4 2081.0 0.688 264.6 2082.0 0.691 264.8 2083.0 0.694 264.9 2084.0 0.697 265.1 2085.0 0.700 265.3 2086.0 0.702 265.4 2087.0 0.705 265.6 2088.0 0.708 265.8 2089.0 0.710 265.9 2090.0 0.713 266.1 2091.0 0.715 266.2 2092.0 0.717 266.4 2093.0 0.719 266.5 2094.0 0.722 266.7 2095.0 0.724 266.8 2096.0 0.726 267.0 2097.0 0.728 267.1 2098.0 0.729 267.3 2099.0 0.731 267.4 2100.0 0.733 267.6 2101.0 0.735 267.7 2102.0 0.736 267.9 2103.0 0.738 268.0 2104.0 0.739 268.2 2105.0 0.741 268.3 2106.0 0.742 268.4 2107.0 0.743 268.6 2108.0 0.745 268.7 2109.0 0.746 268.9 2110.0 0.747 269.0 2111.0 0.748 269.2 2112.0 0.749 269.3 2113.0 0.750 269.4 2114.0 0.751 269.6 2115.0 0.752 269.7 2116.0 0.752 269.9 2117.0 0.753 270.0 2118.0 0.754 270.1 2119.0 0.754 270.3 2120.0 0.755 270.4 2121.0 0.755 270.6 2122.0 0.756 270.7 2123.0 0.756 270.8 2124.0 0.756 271.0 2125.0 0.757 271.1 2126.0 0.757 271.2 2127.0 0.757 271.4 2128.0 0.757 271.5 2129.0 0.757 271.7 2130.0 0.757 271.8 2131.0 0.757 271.9 2132.0 0.757 272.1 2133.0 0.757 272.2 2134.0 0.757 272.3 2135.0 0.757 272.5 2136.0 0.756 272.6 2137.0 0.756 272.8 2138.0 0.756 272.9 2139.0 0.755 273.0 2140.0 0.755 273.2 2141.0 0.754 273.3 2142.0 0.754 273.5 2143.0 0.753 273.6 2144.0 0.752 273.7 2145.0 0.752 273.9 2146.0 0.751 274.0 2147.0 0.750 274.1 2148.0 0.749 274.3 2149.0 0.748 274.4 2150.0 0.747 274.6 2151.0 0.746 274.7 2152.0 0.745 274.9 2153.0 0.744 275.0 2154.0 0.743 275.1 2155.0 0.742 275.3 2156.0 0.740 275.4 2157.0 0.739 275.6 2158.0 0.738 275.7 2159.0 0.736 275.9 2160.0 0.735 276.0 2161.0 0.733 276.2 2162.0 0.732 276.3 2163.0 0.730 276.5 2164.0 0.729 276.6 2165.0 0.727 276.7 2166.0 0.725 276.9 2167.0 0.724 277.0 2168.0 0.722 277.2 2169.0 0.720 277.4 2170.0 0.718 277.5 2171.0 0.716 277.7 2172.0 0.714 277.8 2173.0 0.712 278.0 2174.0 0.710 278.1