| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:37:56 |
| WDS: | HU987 | WDS ID/Discoverer |
| P: | 212.782 | Orbital period (years) |
| a: | 0.98401 | Semi-major axis (arcseconds) |
| i: | 107.821 | Inclination (degrees) |
| Ω: | 63.844 | Longitude of ascending node (degrees) |
| T: | 1891.376 | Epoch of periastron passage (year) |
| e: | 0.46857 | Eccentricity |
| ω: | 132.08 | Longitude of periastron (degrees) |
| Start-Year: | 1919.0 | Year |
| End-Year: | 2131.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 225543.52+154645.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22557+1547 | WDS designation |
| Discoverer Code: | HU987 | Discover designation and components |
| ADS number: | 16373 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 113220 | Hipparcos catalog number |
| V1: | 9.23 | Magnitude of the primary |
| V2: | 9.73 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 1.226 73.2 ------------------------- 1919.0 0.547 221.6 1920.0 0.536 220.1 1921.0 0.525 218.5 1922.0 0.514 216.9 1923.0 0.503 215.2 1924.0 0.492 213.4 1925.0 0.480 211.5 1926.0 0.469 209.6 1927.0 0.458 207.5 1928.0 0.447 205.3 1929.0 0.436 203.1 1930.0 0.426 200.7 1931.0 0.416 198.2 1932.0 0.407 195.6 1933.0 0.398 192.8 1934.0 0.390 190.0 1935.0 0.382 187.0 1936.0 0.375 183.9 1937.0 0.370 180.7 1938.0 0.365 177.4 1939.0 0.361 174.0 1940.0 0.358 170.6 1941.0 0.356 167.1 1942.0 0.356 163.7 1943.0 0.356 160.2 1944.0 0.358 156.7 1945.0 0.361 153.3 1946.0 0.365 149.9 1947.0 0.370 146.6 1948.0 0.376 143.4 1949.0 0.383 140.3 1950.0 0.390 137.4 1951.0 0.399 134.5 1952.0 0.408 131.8 1953.0 0.418 129.2 1954.0 0.429 126.7 1955.0 0.440 124.4 1956.0 0.452 122.2 1957.0 0.465 120.1 1958.0 0.477 118.1 1959.0 0.490 116.2 1960.0 0.504 114.4 1961.0 0.517 112.7 1962.0 0.531 111.1 1963.0 0.545 109.5 1964.0 0.560 108.1 1965.0 0.574 106.7 1966.0 0.589 105.4 1967.0 0.603 104.2 1968.0 0.618 103.0 1969.0 0.633 101.8 1970.0 0.648 100.8 1971.0 0.663 99.7 1972.0 0.677 98.7 1973.0 0.692 97.8 1974.0 0.707 96.9 1975.0 0.722 96.0 1976.0 0.736 95.2 1977.0 0.751 94.4 1978.0 0.765 93.6 1979.0 0.780 92.9 1980.0 0.794 92.2 1981.0 0.808 91.5 1982.0 0.822 90.8 1983.0 0.836 90.2 1984.0 0.850 89.5 1985.0 0.864 88.9 1986.0 0.877 88.3 1987.0 0.891 87.8 1988.0 0.904 87.2 1989.0 0.917 86.7 1990.0 0.930 86.2 1991.0 0.942 85.7 1992.0 0.955 85.2 1993.0 0.967 84.7 1994.0 0.979 84.2 1995.0 0.991 83.8 1996.0 1.003 83.3 1997.0 1.014 82.9 1998.0 1.025 82.5 1999.0 1.036 82.1 2000.0 1.047 81.6 2001.0 1.057 81.2 2002.0 1.068 80.9 2003.0 1.078 80.5 2004.0 1.087 80.1 2005.0 1.097 79.7 2006.0 1.106 79.4 2007.0 1.115 79.0 2008.0 1.124 78.6 2009.0 1.132 78.3 2010.0 1.140 77.9 2011.0 1.148 77.6 2012.0 1.156 77.3 2013.0 1.163 76.9 2014.0 1.170 76.6 2015.0 1.177 76.3 2016.0 1.183 76.0 2017.0 1.189 75.7 2018.0 1.195 75.4 2019.0 1.201 75.0 2020.0 1.206 74.7 2021.0 1.211 74.4 2022.0 1.215 74.1 2023.0 1.219 73.8 2024.0 1.223 73.5 2025.0 1.226 73.2 2026.0 1.229 73.0 2027.0 1.232 72.7 2028.0 1.234 72.4 2029.0 1.236 72.1 2030.0 1.238 71.8 2031.0 1.239 71.5 2032.0 1.240 71.2 2033.0 1.240 70.9 2034.0 1.240 70.6 2035.0 1.240 70.3 2036.0 1.239 70.1 2037.0 1.237 69.8 2038.0 1.236 69.5 2039.0 1.233 69.2 2040.0 1.231 68.9 2041.0 1.228 68.6 2042.0 1.224 68.3 2043.0 1.220 68.0 2044.0 1.216 67.7 2045.0 1.210 67.4 2046.0 1.205 67.1 2047.0 1.199 66.8 2048.0 1.192 66.5 2049.0 1.185 66.2 2050.0 1.178 65.9 2051.0 1.169 65.5 2052.0 1.161 65.2 2053.0 1.151 64.9 2054.0 1.141 64.5 2055.0 1.131 64.2 2056.0 1.120 63.9 2057.0 1.108 63.5 2058.0 1.096 63.1 2059.0 1.083 62.8 2060.0 1.069 62.4 2061.0 1.055 62.0 2062.0 1.040 61.6 2063.0 1.024 61.2 2064.0 1.008 60.7 2065.0 0.990 60.3 2066.0 0.972 59.8 2067.0 0.954 59.4 2068.0 0.934 58.9 2069.0 0.914 58.3 2070.0 0.893 57.8 2071.0 0.871 57.2 2072.0 0.849 56.6 2073.0 0.825 56.0 2074.0 0.801 55.3 2075.0 0.776 54.6 2076.0 0.750 53.9 2077.0 0.723 53.0 2078.0 0.695 52.2 2079.0 0.666 51.2 2080.0 0.637 50.2 2081.0 0.607 49.0 2082.0 0.576 47.7 2083.0 0.544 46.3 2084.0 0.511 44.7 2085.0 0.478 42.9 2086.0 0.444 40.8 2087.0 0.410 38.4 2088.0 0.375 35.5 2089.0 0.341 32.1 2090.0 0.307 27.8 2091.0 0.275 22.6 2092.0 0.244 16.0 2093.0 0.217 7.6 2094.0 0.194 357.0 2095.0 0.179 344.2 2096.0 0.174 329.9 2097.0 0.179 315.5 2098.0 0.193 302.6 2099.0 0.215 291.8 2100.0 0.242 283.3 2101.0 0.271 276.5 2102.0 0.302 271.1 2103.0 0.334 266.7 2104.0 0.365 263.1 2105.0 0.396 260.0 2106.0 0.425 257.4 2107.0 0.452 255.1 2108.0 0.478 253.0 2109.0 0.501 251.2 2110.0 0.522 249.5 2111.0 0.541 247.9 2112.0 0.558 246.5 2113.0 0.573 245.1 2114.0 0.585 243.8 2115.0 0.595 242.5 2116.0 0.604 241.3 2117.0 0.610 240.1 2118.0 0.614 238.9 2119.0 0.617 237.7 2120.0 0.618 236.5 2121.0 0.618 235.4 2122.0 0.616 234.2 2123.0 0.613 233.0 2124.0 0.609 231.9 2125.0 0.603 230.7 2126.0 0.597 229.4 2127.0 0.590 228.2 2128.0 0.582 226.9 2129.0 0.574 225.6 2130.0 0.564 224.2