| 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: | 1853.4 | Year |
| End-Year: | 2196.6 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for CHR90 |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Tok2019c | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.481 177.29 -------------------------- 1853.40 0.699 109.69 1854.40 0.697 109.28 1855.40 0.695 108.87 1856.40 0.693 108.45 1857.40 0.692 108.04 1858.40 0.690 107.62 1859.40 0.688 107.19 1860.40 0.686 106.77 1861.40 0.684 106.34 1862.40 0.682 105.91 1863.40 0.680 105.48 1864.40 0.678 105.05 1865.40 0.676 104.61 1866.40 0.674 104.17 1867.40 0.672 103.73 1868.40 0.670 103.29 1869.40 0.668 102.84 1870.40 0.666 102.39 1871.40 0.664 101.94 1872.40 0.662 101.48 1873.40 0.660 101.03 1874.40 0.658 100.57 1875.40 0.656 100.10 1876.40 0.654 99.64 1877.40 0.652 99.17 1878.40 0.650 98.70 1879.40 0.648 98.22 1880.40 0.646 97.74 1881.40 0.644 97.26 1882.40 0.642 96.78 1883.40 0.640 96.29 1884.40 0.638 95.80 1885.40 0.635 95.30 1886.40 0.633 94.81 1887.40 0.631 94.31 1888.40 0.629 93.80 1889.40 0.627 93.29 1890.40 0.625 92.78 1891.40 0.623 92.27 1892.40 0.620 91.75 1893.40 0.618 91.23 1894.40 0.616 90.70 1895.40 0.614 90.17 1896.40 0.612 89.64 1897.40 0.610 89.10 1898.40 0.607 88.56 1899.40 0.605 88.02 1900.40 0.603 87.47 1901.40 0.601 86.91 1902.40 0.598 86.36 1903.40 0.596 85.80 1904.40 0.594 85.23 1905.40 0.592 84.66 1906.40 0.590 84.09 1907.40 0.587 83.51 1908.40 0.585 82.93 1909.40 0.583 82.34 1910.40 0.580 81.75 1911.40 0.578 81.15 1912.40 0.576 80.55 1913.40 0.574 79.94 1914.40 0.571 79.33 1915.40 0.569 78.72 1916.40 0.567 78.10 1917.40 0.564 77.47 1918.40 0.562 76.84 1919.40 0.560 76.20 1920.40 0.558 75.56 1921.40 0.555 74.92 1922.40 0.553 74.26 1923.40 0.551 73.61 1924.40 0.548 72.94 1925.40 0.546 72.27 1926.40 0.543 71.60 1927.40 0.541 70.92 1928.40 0.539 70.23 1929.40 0.536 69.54 1930.40 0.534 68.84 1931.40 0.531 68.13 1932.40 0.529 67.42 1933.40 0.527 66.70 1934.40 0.524 65.97 1935.40 0.522 65.24 1936.40 0.519 64.50 1937.40 0.517 63.75 1938.40 0.514 63.00 1939.40 0.511 62.24 1940.40 0.509 61.47 1941.40 0.506 60.69 1942.40 0.504 59.91 1943.40 0.501 59.11 1944.40 0.498 58.31 1945.40 0.496 57.50 1946.40 0.493 56.68 1947.40 0.490 55.85 1948.40 0.487 55.02 1949.40 0.485 54.17 1950.40 0.482 53.31 1951.40 0.479 52.44 1952.40 0.476 51.56 1953.40 0.473 50.67 1954.40 0.470 49.77 1955.40 0.467 48.86 1956.40 0.464 47.94 1957.40 0.460 47.00 1958.40 0.457 46.05 1959.40 0.454 45.08 1960.40 0.450 44.10 1961.40 0.447 43.10 1962.40 0.443 42.09 1963.40 0.439 41.06 1964.40 0.436 40.02 1965.40 0.432 38.95 1966.40 0.428 37.87 1967.40 0.423 36.76 1968.40 0.419 35.63 1969.40 0.415 34.48 1970.40 0.410 33.30 1971.40 0.405 32.10 1972.40 0.400 30.86 1973.40 0.395 29.60 1974.40 0.390 28.30 1975.40 0.384 26.96 1976.40 0.378 25.58 1977.40 0.372 24.15 1978.40 0.365 22.68 1979.40 0.358 21.15 1980.40 0.351 19.56 1981.40 0.343 17.90 1982.40 0.335 16.16 1983.40 0.327 14.33 1984.40 0.317 12.40 1985.40 0.308 10.35 1986.40 0.297 8.16 1987.40 0.286 5.81 1988.40 0.274 3.26 1989.40 0.262 0.47 1990.40 0.248 357.40 1991.40 0.234 353.95 1992.40 0.219 350.05 1993.40 0.203 345.54 1994.40 0.187 340.26 1995.40 0.170 333.96 1996.40 0.154 326.31 1997.40 0.139 316.95 1998.40 0.127 305.57 1999.40 0.119 292.20 2000.40 0.116 277.57 2001.40 0.120 263.03 2002.40 0.128 249.91 2003.40 0.142 238.86 2004.40 0.157 229.85 2005.40 0.175 222.57 2006.40 0.193 216.64 2007.40 0.212 211.75 2008.40 0.230 207.64 2009.40 0.248 204.14 2010.40 0.266 201.11 2011.40 0.283 198.46 2012.40 0.300 196.11 2013.40 0.316 193.99 2014.40 0.332 192.08 2015.40 0.347 190.34 2016.40 0.361 188.74 2017.40 0.375 187.26 2018.40 0.388 185.89 2019.40 0.401 184.60 2020.40 0.414 183.40 2021.40 0.426 182.26 2022.40 0.437 181.19 2023.40 0.449 180.17 2024.40 0.459 179.20 2025.40 0.470 178.27 2026.40 0.480 177.38 2027.40 0.490 176.53 2028.40 0.499 175.71 2029.40 0.508 174.92 2030.40 0.517 174.16 2031.40 0.526 173.42 2032.40 0.534 172.71 2033.40 0.542 172.02 2034.40 0.550 171.35 2035.40 0.558 170.70 2036.40 0.565 170.06 2037.40 0.572 169.44 2038.40 0.579 168.84 2039.40 0.586 168.25 2040.40 0.593 167.68 2041.40 0.599 167.11 2042.40 0.605 166.56 2043.40 0.611 166.02 2044.40 0.617 165.49 2045.40 0.623 164.97 2046.40 0.628 164.45 2047.40 0.634 163.95 2048.40 0.639 163.46 2049.40 0.644 162.97 2050.40 0.649 162.49 2051.40 0.654 162.02 2052.40 0.658 161.55 2053.40 0.663 161.10 2054.40 0.667 160.64 2055.40 0.672 160.20 2056.40 0.676 159.76 2057.40 0.680 159.32 2058.40 0.684 158.89 2059.40 0.688 158.46 2060.40 0.691 158.04 2061.40 0.695 157.62 2062.40 0.698 157.21 2063.40 0.702 156.80 2064.40 0.705 156.40 2065.40 0.708 156.00 2066.40 0.711 155.60 2067.40 0.715 155.21 2068.40 0.717 154.82 2069.40 0.720 154.43 2070.40 0.723 154.04 2071.40 0.726 153.66 2072.40 0.728 153.28 2073.40 0.731 152.91 2074.40 0.733 152.53 2075.40 0.736 152.16 2076.40 0.738 151.80 2077.40 0.740 151.43 2078.40 0.742 151.06 2079.40 0.744 150.70 2080.40 0.746 150.34 2081.40 0.748 149.98 2082.40 0.750 149.63 2083.40 0.752 149.27 2084.40 0.754 148.92 2085.40 0.755 148.57 2086.40 0.757 148.22 2087.40 0.759 147.87 2088.40 0.760 147.52 2089.40 0.762 147.17 2090.40 0.763 146.83 2091.40 0.764 146.49 2092.40 0.765 146.14 2093.40 0.767 145.80 2094.40 0.768 145.46 2095.40 0.769 145.12 2096.40 0.770 144.79 2097.40 0.771 144.45 2098.40 0.772 144.11 2099.40 0.773 143.78 2100.40 0.774 143.44 2101.40 0.774 143.11 2102.40 0.775 142.77 2103.40 0.776 142.44 2104.40 0.776 142.11 2105.40 0.777 141.78 2106.40 0.778 141.44 2107.40 0.778 141.11 2108.40 0.779 140.78 2109.40 0.779 140.45 2110.40 0.779 140.12 2111.40 0.780 139.79 2112.40 0.780 139.46 2113.40 0.780 139.14 2114.40 0.780 138.81 2115.40 0.781 138.48 2116.40 0.781 138.15 2117.40 0.781 137.82 2118.40 0.781 137.49 2119.40 0.781 137.16 2120.40 0.781 136.84 2121.40 0.781 136.51 2122.40 0.781 136.18 2123.40 0.781 135.85 2124.40 0.780 135.52 2125.40 0.780 135.19 2126.40 0.780 134.86 2127.40 0.780 134.53 2128.40 0.779 134.20 2129.40 0.779 133.87 2130.40 0.779 133.54 2131.40 0.778 133.21 2132.40 0.778 132.88 2133.40 0.777 132.55 2134.40 0.777 132.22 2135.40 0.776 131.89 2136.40 0.776 131.56 2137.40 0.775 131.22 2138.40 0.775 130.89 2139.40 0.774 130.56 2140.40 0.773 130.22 2141.40 0.773 129.89 2142.40 0.772 129.55 2143.40 0.771 129.21 2144.40 0.770 128.88 2145.40 0.769 128.54 2146.40 0.769 128.20 2147.40 0.768 127.86 2148.40 0.767 127.52 2149.40 0.766 127.18 2150.40 0.765 126.84 2151.40 0.764 126.50 2152.40 0.763 126.15 2153.40 0.762 125.81 2154.40 0.761 125.46 2155.40 0.760 125.12 2156.40 0.759 124.77 2157.40 0.758 124.42 2158.40 0.757 124.07 2159.40 0.755 123.72 2160.40 0.754 123.37 2161.40 0.753 123.02 2162.40 0.752 122.66 2163.40 0.751 122.31 2164.40 0.749 121.95 2165.40 0.748 121.60 2166.40 0.747 121.24 2167.40 0.745 120.88 2168.40 0.744 120.52 2169.40 0.743 120.15 2170.40 0.741 119.79 2171.40 0.740 119.43 2172.40 0.739 119.06 2173.40 0.737 118.69 2174.40 0.736 118.32 2175.40 0.734 117.95 2176.40 0.733 117.58 2177.40 0.731 117.21 2178.40 0.730 116.83 2179.40 0.728 116.45 2180.40 0.726 116.07 2181.40 0.725 115.69 2182.40 0.723 115.31 2183.40 0.722 114.93 2184.40 0.720 114.54 2185.40 0.718 114.16 2186.40 0.717 113.77 2187.40 0.715 113.38 2188.40 0.713 112.98 2189.40 0.712 112.59 2190.40 0.710 112.19 2191.40 0.708 111.80 2192.40 0.706 111.40 2193.40 0.705 110.99 2194.40 0.703 110.59 2195.40 0.701 110.18 2196.40 0.699 109.77
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:09:31 |