| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:09:28 |
| WDS: | CHR90 | WDS ID/Discoverer |
| P: | 343.200 | Orbital period (years) |
| a: | 0.678 | Semi-major axis (arcseconds) |
| i: | 126.5 | Inclination (degrees) |
| Ω: | 3.3 | Longitude of ascending node (degrees) |
| T: | 1998.850 | Epoch of periastron passage (year) |
| e: | 0.716 | Eccentricity |
| ω: | 73.5 | Longitude of periastron (degrees) |
| Start-Year: | 1854.0 | Year |
| End-Year: | 2196.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 195306.39-143611.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19531-1436 | WDS designation |
| Discoverer Code: | CHR90 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 187949 | HD catalog number |
| Hipparcos number: | 97849 | Hipparcos catalog number |
| V1: | 9.25 | Magnitude of the primary |
| V2: | 6.61 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2018 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.466 178.6 ------------------------- 1854.0 0.698 109.4 1855.0 0.696 109.0 1856.0 0.694 108.6 1857.0 0.692 108.2 1858.0 0.691 107.8 1859.0 0.689 107.4 1860.0 0.687 106.9 1861.0 0.685 106.5 1862.0 0.683 106.1 1863.0 0.681 105.7 1864.0 0.679 105.2 1865.0 0.677 104.8 1866.0 0.675 104.3 1867.0 0.673 103.9 1868.0 0.671 103.5 1869.0 0.669 103.0 1870.0 0.667 102.6 1871.0 0.665 102.1 1872.0 0.663 101.7 1873.0 0.661 101.2 1874.0 0.659 100.8 1875.0 0.657 100.3 1876.0 0.655 99.8 1877.0 0.653 99.4 1878.0 0.651 98.9 1879.0 0.649 98.4 1880.0 0.647 97.9 1881.0 0.645 97.5 1882.0 0.643 97.0 1883.0 0.641 96.5 1884.0 0.638 96.0 1885.0 0.636 95.5 1886.0 0.634 95.0 1887.0 0.632 94.5 1888.0 0.630 94.0 1889.0 0.628 93.5 1890.0 0.626 93.0 1891.0 0.623 92.5 1892.0 0.621 92.0 1893.0 0.619 91.4 1894.0 0.617 90.9 1895.0 0.615 90.4 1896.0 0.613 89.9 1897.0 0.610 89.3 1898.0 0.608 88.8 1899.0 0.606 88.2 1900.0 0.604 87.7 1901.0 0.602 87.1 1902.0 0.599 86.6 1903.0 0.597 86.0 1904.0 0.595 85.5 1905.0 0.593 84.9 1906.0 0.590 84.3 1907.0 0.588 83.7 1908.0 0.586 83.2 1909.0 0.584 82.6 1910.0 0.581 82.0 1911.0 0.579 81.4 1912.0 0.577 80.8 1913.0 0.575 80.2 1914.0 0.572 79.6 1915.0 0.570 79.0 1916.0 0.568 78.3 1917.0 0.565 77.7 1918.0 0.563 77.1 1919.0 0.561 76.5 1920.0 0.558 75.8 1921.0 0.556 75.2 1922.0 0.554 74.5 1923.0 0.551 73.9 1924.0 0.549 73.2 1925.0 0.547 72.5 1926.0 0.544 71.9 1927.0 0.542 71.2 1928.0 0.540 70.5 1929.0 0.537 69.8 1930.0 0.535 69.1 1931.0 0.532 68.4 1932.0 0.530 67.7 1933.0 0.527 67.0 1934.0 0.525 66.3 1935.0 0.523 65.5 1936.0 0.520 64.8 1937.0 0.518 64.1 1938.0 0.515 63.3 1939.0 0.512 62.5 1940.0 0.510 61.8 1941.0 0.507 61.0 1942.0 0.505 60.2 1943.0 0.502 59.4 1944.0 0.499 58.6 1945.0 0.497 57.8 1946.0 0.494 57.0 1947.0 0.491 56.2 1948.0 0.489 55.4 1949.0 0.486 54.5 1950.0 0.483 53.7 1951.0 0.480 52.8 1952.0 0.477 51.9 1953.0 0.474 51.0 1954.0 0.471 50.1 1955.0 0.468 49.2 1956.0 0.465 48.3 1957.0 0.462 47.4 1958.0 0.458 46.4 1959.0 0.455 45.5 1960.0 0.452 44.5 1961.0 0.448 43.5 1962.0 0.445 42.5 1963.0 0.441 41.5 1964.0 0.437 40.4 1965.0 0.433 39.4 1966.0 0.429 38.3 1967.0 0.425 37.2 1968.0 0.421 36.1 1969.0 0.416 34.9 1970.0 0.412 33.8 1971.0 0.407 32.6 1972.0 0.402 31.4 1973.0 0.397 30.1 1974.0 0.392 28.8 1975.0 0.386 27.5 1976.0 0.380 26.1 1977.0 0.374 24.7 1978.0 0.368 23.3 1979.0 0.361 21.8 1980.0 0.354 20.2 1981.0 0.346 18.6 1982.0 0.339 16.9 1983.0 0.330 15.1 1984.0 0.321 13.2 1985.0 0.312 11.2 1986.0 0.302 9.1 1987.0 0.291 6.8 1988.0 0.279 4.3 1989.0 0.267 1.6 1990.0 0.254 358.7 1991.0 0.240 355.4 1992.0 0.225 351.7 1993.0 0.209 347.4 1994.0 0.193 342.5 1995.0 0.177 336.6 1996.0 0.160 329.6 1997.0 0.145 320.9 1998.0 0.131 310.4 1999.0 0.121 297.8 2000.0 0.117 283.5 2001.0 0.117 268.7 2002.0 0.124 254.9 2003.0 0.136 243.0 2004.0 0.151 233.2 2005.0 0.168 225.3 2006.0 0.186 218.9 2007.0 0.204 213.6 2008.0 0.223 209.2 2009.0 0.241 205.5 2010.0 0.259 202.3 2011.0 0.277 199.5 2012.0 0.293 197.0 2013.0 0.310 194.8 2014.0 0.325 192.8 2015.0 0.341 191.0 2016.0 0.355 189.4 2017.0 0.369 187.8 2018.0 0.383 186.4 2019.0 0.396 185.1 2020.0 0.409 183.9 2021.0 0.421 182.7 2022.0 0.433 181.6 2023.0 0.444 180.6 2024.0 0.455 179.6 2025.0 0.466 178.6 2026.0 0.476 177.7 2027.0 0.486 176.9 2028.0 0.496 176.0 2029.0 0.505 175.2 2030.0 0.514 174.5 2031.0 0.523 173.7 2032.0 0.531 173.0 2033.0 0.539 172.3 2034.0 0.547 171.6 2035.0 0.555 171.0 2036.0 0.562 170.3 2037.0 0.570 169.7 2038.0 0.577 169.1 2039.0 0.583 168.5 2040.0 0.590 167.9 2041.0 0.597 167.3 2042.0 0.603 166.8 2043.0 0.609 166.2 2044.0 0.615 165.7 2045.0 0.621 165.2 2046.0 0.626 164.7 2047.0 0.632 164.2 2048.0 0.637 163.7 2049.0 0.642 163.2 2050.0 0.647 162.7 2051.0 0.652 162.2 2052.0 0.657 161.7 2053.0 0.661 161.3 2054.0 0.666 160.8 2055.0 0.670 160.4 2056.0 0.674 159.9 2057.0 0.678 159.5 2058.0 0.682 159.1 2059.0 0.686 158.6 2060.0 0.690 158.2 2061.0 0.693 157.8 2062.0 0.697 157.4 2063.0 0.700 157.0 2064.0 0.704 156.6 2065.0 0.707 156.2 2066.0 0.710 155.8 2067.0 0.713 155.4 2068.0 0.716 155.0 2069.0 0.719 154.6 2070.0 0.722 154.2 2071.0 0.725 153.8 2072.0 0.727 153.4 2073.0 0.730 153.1 2074.0 0.732 152.7 2075.0 0.735 152.3 2076.0 0.737 151.9 2077.0 0.739 151.6 2078.0 0.742 151.2 2079.0 0.744 150.8 2080.0 0.746 150.5 2081.0 0.748 150.1 2082.0 0.749 149.8 2083.0 0.751 149.4 2084.0 0.753 149.1 2085.0 0.755 148.7 2086.0 0.756 148.4 2087.0 0.758 148.0 2088.0 0.759 147.7 2089.0 0.761 147.3 2090.0 0.762 147.0 2091.0 0.764 146.6 2092.0 0.765 146.3 2093.0 0.766 145.9 2094.0 0.767 145.6 2095.0 0.768 145.3 2096.0 0.770 144.9 2097.0 0.771 144.6 2098.0 0.771 144.2 2099.0 0.772 143.9 2100.0 0.773 143.6 2101.0 0.774 143.2 2102.0 0.775 142.9 2103.0 0.775 142.6 2104.0 0.776 142.2 2105.0 0.777 141.9 2106.0 0.777 141.6 2107.0 0.778 141.2 2108.0 0.778 140.9 2109.0 0.779 140.6 2110.0 0.779 140.3 2111.0 0.780 139.9 2112.0 0.780 139.6 2113.0 0.780 139.3 2114.0 0.780 138.9 2115.0 0.780 138.6 2116.0 0.781 138.3 2117.0 0.781 138.0 2118.0 0.781 137.6 2119.0 0.781 137.3 2120.0 0.781 137.0 2121.0 0.781 136.6 2122.0 0.781 136.3 2123.0 0.781 136.0 2124.0 0.780 135.7 2125.0 0.780 135.3 2126.0 0.780 135.0 2127.0 0.780 134.7 2128.0 0.779 134.3 2129.0 0.779 134.0 2130.0 0.779 133.7 2131.0 0.778 133.3 2132.0 0.778 133.0 2133.0 0.778 132.7 2134.0 0.777 132.4 2135.0 0.777 132.0 2136.0 0.776 131.7 2137.0 0.775 131.4 2138.0 0.775 131.0 2139.0 0.774 130.7 2140.0 0.774 130.4 2141.0 0.773 130.0 2142.0 0.772 129.7 2143.0 0.771 129.3 2144.0 0.771 129.0 2145.0 0.770 128.7 2146.0 0.769 128.3 2147.0 0.768 128.0 2148.0 0.767 127.7 2149.0 0.766 127.3 2150.0 0.765 127.0 2151.0 0.764 126.6 2152.0 0.763 126.3 2153.0 0.762 125.9 2154.0 0.761 125.6 2155.0 0.760 125.3 2156.0 0.759 124.9 2157.0 0.758 124.6 2158.0 0.757 124.2 2159.0 0.756 123.9 2160.0 0.755 123.5 2161.0 0.754 123.2 2162.0 0.752 122.8 2163.0 0.751 122.5 2164.0 0.750 122.1 2165.0 0.749 121.7 2166.0 0.747 121.4 2167.0 0.746 121.0 2168.0 0.745 120.7 2169.0 0.743 120.3 2170.0 0.742 119.9 2171.0 0.741 119.6 2172.0 0.739 119.2 2173.0 0.738 118.8 2174.0 0.736 118.5 2175.0 0.735 118.1 2176.0 0.733 117.7 2177.0 0.732 117.4 2178.0 0.730 117.0 2179.0 0.729 116.6 2180.0 0.727 116.2 2181.0 0.726 115.8 2182.0 0.724 115.5 2183.0 0.722 115.1 2184.0 0.721 114.7 2185.0 0.719 114.3 2186.0 0.717 113.9 2187.0 0.716 113.5 2188.0 0.714 113.1 2189.0 0.712 112.7 2190.0 0.711 112.4 2191.0 0.709 112.0 2192.0 0.707 111.6 2193.0 0.705 111.2 2194.0 0.704 110.8 2195.0 0.702 110.3