| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:46:02 |
| WDS: | HJ3555 | WDS ID/Discoverer |
| P: | 268.212 | Orbital period (years) |
| a: | 3.96341 | Semi-major axis (arcseconds) |
| i: | 81.484 | Inclination (degrees) |
| Ω: | 117.397 | Longitude of ascending node (degrees) |
| T: | 1947.411 | Epoch of periastron passage (year) |
| e: | 0.73704 | Eccentricity |
| ω: | 43.023 | Longitude of periastron (degrees) |
| Start-Year: | 1891.0 | Year |
| End-Year: | 2159.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 031204.53-285915.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03121-2859 | WDS designation |
| Discoverer Code: | HJ3555 | Discover designation and components |
| ADS number: | 2402 | Aitken Double Star catalog |
| HD number: | 20010 | HD catalog number |
| Hipparcos number: | 14879 | Hipparcos catalog number |
| V1: | 3.98 | Magnitude of the primary |
| V2: | 7.19 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2013 | 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 5.480 301.2 ------------------------- 1891.0 1.809 321.0 1892.0 1.751 321.7 1893.0 1.693 322.4 1894.0 1.635 323.1 1895.0 1.577 323.9 1896.0 1.519 324.8 1897.0 1.460 325.8 1898.0 1.402 326.8 1899.0 1.343 327.9 1900.0 1.285 329.2 1901.0 1.227 330.5 1902.0 1.169 332.0 1903.0 1.112 333.6 1904.0 1.055 335.4 1905.0 0.999 337.4 1906.0 0.944 339.6 1907.0 0.891 342.1 1908.0 0.838 345.0 1909.0 0.788 348.1 1910.0 0.740 351.8 1911.0 0.695 355.9 1912.0 0.654 0.5 1913.0 0.617 5.7 1914.0 0.586 11.6 1915.0 0.561 18.0 1916.0 0.543 24.9 1917.0 0.534 32.2 1918.0 0.533 39.7 1919.0 0.540 47.0 1920.0 0.556 54.1 1921.0 0.579 60.7 1922.0 0.608 66.7 1923.0 0.643 72.1 1924.0 0.682 76.9 1925.0 0.724 81.2 1926.0 0.770 85.0 1927.0 0.817 88.3 1928.0 0.865 91.3 1929.0 0.914 94.0 1930.0 0.963 96.4 1931.0 1.011 98.5 1932.0 1.058 100.5 1933.0 1.103 102.3 1934.0 1.146 104.0 1935.0 1.185 105.5 1936.0 1.221 107.0 1937.0 1.251 108.4 1938.0 1.274 109.7 1939.0 1.290 111.0 1940.0 1.295 112.3 1941.0 1.288 113.5 1942.0 1.267 114.8 1943.0 1.227 116.2 1944.0 1.166 117.6 1945.0 1.080 119.3 1946.0 0.969 121.3 1947.0 0.832 123.9 1948.0 0.673 127.7 1949.0 0.499 133.9 1950.0 0.323 147.1 1951.0 0.190 183.8 1952.0 0.226 242.6 1953.0 0.386 267.5 1954.0 0.569 277.2 1955.0 0.754 282.1 1956.0 0.935 285.1 1957.0 1.110 287.1 1958.0 1.280 288.6 1959.0 1.442 289.8 1960.0 1.598 290.7 1961.0 1.748 291.4 1962.0 1.892 292.1 1963.0 2.031 292.6 1964.0 2.164 293.1 1965.0 2.292 293.5 1966.0 2.415 293.9 1967.0 2.534 294.2 1968.0 2.648 294.6 1969.0 2.758 294.8 1970.0 2.864 295.1 1971.0 2.967 295.4 1972.0 3.066 295.6 1973.0 3.162 295.8 1974.0 3.254 296.0 1975.0 3.344 296.2 1976.0 3.430 296.4 1977.0 3.514 296.6 1978.0 3.595 296.7 1979.0 3.673 296.9 1980.0 3.749 297.0 1981.0 3.823 297.2 1982.0 3.894 297.3 1983.0 3.963 297.5 1984.0 4.030 297.6 1985.0 4.095 297.7 1986.0 4.157 297.9 1987.0 4.218 298.0 1988.0 4.277 298.1 1989.0 4.334 298.2 1990.0 4.389 298.3 1991.0 4.443 298.4 1992.0 4.495 298.5 1993.0 4.545 298.6 1994.0 4.594 298.7 1995.0 4.641 298.8 1996.0 4.687 298.9 1997.0 4.731 299.0 1998.0 4.773 299.1 1999.0 4.815 299.2 2000.0 4.855 299.3 2001.0 4.893 299.4 2002.0 4.930 299.5 2003.0 4.966 299.6 2004.0 5.001 299.6 2005.0 5.035 299.7 2006.0 5.067 299.8 2007.0 5.098 299.9 2008.0 5.128 300.0 2009.0 5.157 300.1 2010.0 5.185 300.1 2011.0 5.211 300.2 2012.0 5.237 300.3 2013.0 5.262 300.4 2014.0 5.285 300.4 2015.0 5.308 300.5 2016.0 5.329 300.6 2017.0 5.350 300.7 2018.0 5.369 300.7 2019.0 5.388 300.8 2020.0 5.405 300.9 2021.0 5.422 301.0 2022.0 5.438 301.0 2023.0 5.453 301.1 2024.0 5.467 301.2 2025.0 5.480 301.2 2026.0 5.493 301.3 2027.0 5.504 301.4 2028.0 5.515 301.5 2029.0 5.525 301.5 2030.0 5.534 301.6 2031.0 5.542 301.7 2032.0 5.549 301.7 2033.0 5.556 301.8 2034.0 5.562 301.9 2035.0 5.567 301.9 2036.0 5.571 302.0 2037.0 5.575 302.1 2038.0 5.578 302.1 2039.0 5.580 302.2 2040.0 5.581 302.3 2041.0 5.582 302.3 2042.0 5.582 302.4 2043.0 5.581 302.5 2044.0 5.580 302.5 2045.0 5.578 302.6 2046.0 5.575 302.7 2047.0 5.572 302.7 2048.0 5.568 302.8 2049.0 5.563 302.9 2050.0 5.558 303.0 2051.0 5.552 303.0 2052.0 5.545 303.1 2053.0 5.538 303.2 2054.0 5.530 303.2 2055.0 5.521 303.3 2056.0 5.512 303.4 2057.0 5.502 303.4 2058.0 5.492 303.5 2059.0 5.481 303.6 2060.0 5.469 303.6 2061.0 5.457 303.7 2062.0 5.444 303.8 2063.0 5.431 303.9 2064.0 5.417 303.9 2065.0 5.402 304.0 2066.0 5.387 304.1 2067.0 5.371 304.1 2068.0 5.355 304.2 2069.0 5.338 304.3 2070.0 5.321 304.4 2071.0 5.303 304.4 2072.0 5.284 304.5 2073.0 5.265 304.6 2074.0 5.246 304.7 2075.0 5.225 304.7 2076.0 5.205 304.8 2077.0 5.184 304.9 2078.0 5.162 305.0 2079.0 5.139 305.1 2080.0 5.117 305.1 2081.0 5.093 305.2 2082.0 5.069 305.3 2083.0 5.045 305.4 2084.0 5.020 305.5 2085.0 4.995 305.6 2086.0 4.969 305.6 2087.0 4.942 305.7 2088.0 4.915 305.8 2089.0 4.888 305.9 2090.0 4.860 306.0 2091.0 4.831 306.1 2092.0 4.803 306.2 2093.0 4.773 306.3 2094.0 4.743 306.4 2095.0 4.713 306.5 2096.0 4.682 306.5 2097.0 4.650 306.6 2098.0 4.618 306.7 2099.0 4.586 306.8 2100.0 4.553 306.9 2101.0 4.520 307.0 2102.0 4.486 307.1 2103.0 4.452 307.3 2104.0 4.417 307.4 2105.0 4.381 307.5 2106.0 4.346 307.6 2107.0 4.309 307.7 2108.0 4.273 307.8 2109.0 4.236 307.9 2110.0 4.198 308.0 2111.0 4.160 308.2 2112.0 4.121 308.3 2113.0 4.082 308.4 2114.0 4.043 308.5 2115.0 4.003 308.7 2116.0 3.962 308.8 2117.0 3.922 308.9 2118.0 3.880 309.1 2119.0 3.839 309.2 2120.0 3.796 309.4 2121.0 3.754 309.5 2122.0 3.711 309.7 2123.0 3.667 309.8 2124.0 3.623 310.0 2125.0 3.578 310.1 2126.0 3.534 310.3 2127.0 3.488 310.5 2128.0 3.442 310.7 2129.0 3.396 310.8 2130.0 3.350 311.0 2131.0 3.302 311.2 2132.0 3.255 311.4 2133.0 3.207 311.6 2134.0 3.159 311.8 2135.0 3.110 312.0 2136.0 3.061 312.3 2137.0 3.011 312.5 2138.0 2.961 312.7 2139.0 2.910 313.0 2140.0 2.859 313.2 2141.0 2.808 313.5 2142.0 2.756 313.8 2143.0 2.704 314.0 2144.0 2.652 314.3 2145.0 2.599 314.6 2146.0 2.546 315.0 2147.0 2.492 315.3 2148.0 2.438 315.6 2149.0 2.384 316.0 2150.0 2.329 316.4 2151.0 2.274 316.8 2152.0 2.218 317.2 2153.0 2.162 317.6 2154.0 2.106 318.1 2155.0 2.050 318.6 2156.0 1.993 319.1 2157.0 1.936 319.7 2158.0 1.879 320.2