| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:16:52 |
| WDS: | A2286AB | WDS ID/Discoverer |
| P: | 252.900 | Orbital period (years) |
| a: | 0.217 | Semi-major axis (arcseconds) |
| i: | 58.9 | Inclination (degrees) |
| Ω: | 111.7 | Longitude of ascending node (degrees) |
| T: | 2014.484 | Epoch of periastron passage (year) |
| e: | 0.667 | Eccentricity |
| ω: | 203.1 | Longitude of periastron (degrees) |
| Start-Year: | 1899.0 | Year |
| End-Year: | 2151.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 205208.54+020515.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20521+0205 | WDS designation |
| Discoverer Code: | A2286AB | Discover designation and components |
| ADS number: | 14372 | Aitken Double Star catalog |
| HD number: | 198706 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.14 | Magnitude of the primary |
| V2: | 9.3 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 4 | 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 0.056 40.4 ------------------------- 1899.0 0.331 126.6 1900.0 0.330 126.9 1901.0 0.329 127.1 1902.0 0.327 127.3 1903.0 0.326 127.6 1904.0 0.325 127.8 1905.0 0.324 128.1 1906.0 0.322 128.3 1907.0 0.321 128.6 1908.0 0.319 128.8 1909.0 0.318 129.1 1910.0 0.316 129.3 1911.0 0.315 129.6 1912.0 0.313 129.9 1913.0 0.312 130.1 1914.0 0.310 130.4 1915.0 0.308 130.7 1916.0 0.306 130.9 1917.0 0.305 131.2 1918.0 0.303 131.5 1919.0 0.301 131.8 1920.0 0.299 132.1 1921.0 0.297 132.3 1922.0 0.295 132.6 1923.0 0.293 132.9 1924.0 0.291 133.2 1925.0 0.289 133.5 1926.0 0.287 133.9 1927.0 0.285 134.2 1928.0 0.282 134.5 1929.0 0.280 134.8 1930.0 0.278 135.2 1931.0 0.276 135.5 1932.0 0.273 135.8 1933.0 0.271 136.2 1934.0 0.268 136.5 1935.0 0.266 136.9 1936.0 0.263 137.3 1937.0 0.261 137.6 1938.0 0.258 138.0 1939.0 0.256 138.4 1940.0 0.253 138.8 1941.0 0.250 139.2 1942.0 0.247 139.6 1943.0 0.245 140.1 1944.0 0.242 140.5 1945.0 0.239 140.9 1946.0 0.236 141.4 1947.0 0.233 141.9 1948.0 0.230 142.4 1949.0 0.227 142.8 1950.0 0.224 143.4 1951.0 0.221 143.9 1952.0 0.218 144.4 1953.0 0.215 145.0 1954.0 0.212 145.5 1955.0 0.208 146.1 1956.0 0.205 146.7 1957.0 0.202 147.3 1958.0 0.199 148.0 1959.0 0.195 148.6 1960.0 0.192 149.3 1961.0 0.188 150.0 1962.0 0.185 150.8 1963.0 0.182 151.6 1964.0 0.178 152.4 1965.0 0.175 153.2 1966.0 0.171 154.0 1967.0 0.167 154.9 1968.0 0.164 155.9 1969.0 0.160 156.9 1970.0 0.157 157.9 1971.0 0.153 159.0 1972.0 0.149 160.1 1973.0 0.146 161.3 1974.0 0.142 162.5 1975.0 0.138 163.8 1976.0 0.135 165.2 1977.0 0.131 166.7 1978.0 0.127 168.2 1979.0 0.124 169.9 1980.0 0.120 171.6 1981.0 0.117 173.5 1982.0 0.113 175.4 1983.0 0.110 177.5 1984.0 0.106 179.7 1985.0 0.103 182.1 1986.0 0.100 184.6 1987.0 0.097 187.3 1988.0 0.094 190.1 1989.0 0.091 193.2 1990.0 0.088 196.4 1991.0 0.085 199.8 1992.0 0.083 203.5 1993.0 0.081 207.3 1994.0 0.079 211.3 1995.0 0.078 215.5 1996.0 0.076 219.8 1997.0 0.075 224.3 1998.0 0.075 228.9 1999.0 0.074 233.5 2000.0 0.074 238.2 2001.0 0.074 242.9 2002.0 0.075 247.5 2003.0 0.075 252.1 2004.0 0.076 256.7 2005.0 0.076 261.2 2006.0 0.077 265.5 2007.0 0.077 269.9 2008.0 0.078 274.2 2009.0 0.078 278.4 2010.0 0.077 282.7 2011.0 0.076 287.1 2012.0 0.075 291.6 2013.0 0.072 296.4 2014.0 0.070 301.5 2015.0 0.066 307.1 2016.0 0.062 313.3 2017.0 0.059 320.4 2018.0 0.055 328.4 2019.0 0.051 337.6 2020.0 0.049 348.0 2021.0 0.048 359.1 2022.0 0.048 10.5 2023.0 0.049 21.6 2024.0 0.052 31.6 2025.0 0.056 40.4 2026.0 0.061 48.0 2027.0 0.066 54.4 2028.0 0.072 59.7 2029.0 0.078 64.3 2030.0 0.085 68.2 2031.0 0.091 71.5 2032.0 0.097 74.4 2033.0 0.104 77.0 2034.0 0.110 79.2 2035.0 0.116 81.2 2036.0 0.123 83.0 2037.0 0.129 84.7 2038.0 0.135 86.2 2039.0 0.141 87.5 2040.0 0.146 88.8 2041.0 0.152 89.9 2042.0 0.158 91.0 2043.0 0.163 92.0 2044.0 0.168 92.9 2045.0 0.174 93.8 2046.0 0.179 94.7 2047.0 0.184 95.4 2048.0 0.189 96.2 2049.0 0.194 96.9 2050.0 0.198 97.6 2051.0 0.203 98.2 2052.0 0.207 98.8 2053.0 0.212 99.4 2054.0 0.216 100.0 2055.0 0.220 100.5 2056.0 0.224 101.0 2057.0 0.228 101.5 2058.0 0.232 102.0 2059.0 0.236 102.5 2060.0 0.240 102.9 2061.0 0.244 103.4 2062.0 0.247 103.8 2063.0 0.251 104.2 2064.0 0.254 104.6 2065.0 0.258 105.0 2066.0 0.261 105.4 2067.0 0.264 105.8 2068.0 0.267 106.2 2069.0 0.270 106.5 2070.0 0.273 106.9 2071.0 0.276 107.2 2072.0 0.279 107.5 2073.0 0.282 107.9 2074.0 0.284 108.2 2075.0 0.287 108.5 2076.0 0.289 108.8 2077.0 0.292 109.1 2078.0 0.294 109.4 2079.0 0.297 109.7 2080.0 0.299 110.0 2081.0 0.301 110.3 2082.0 0.303 110.6 2083.0 0.306 110.9 2084.0 0.308 111.1 2085.0 0.310 111.4 2086.0 0.311 111.7 2087.0 0.313 111.9 2088.0 0.315 112.2 2089.0 0.317 112.5 2090.0 0.319 112.7 2091.0 0.320 113.0 2092.0 0.322 113.2 2093.0 0.323 113.5 2094.0 0.325 113.7 2095.0 0.326 114.0 2096.0 0.328 114.2 2097.0 0.329 114.4 2098.0 0.330 114.7 2099.0 0.331 114.9 2100.0 0.333 115.1 2101.0 0.334 115.4 2102.0 0.335 115.6 2103.0 0.336 115.8 2104.0 0.337 116.1 2105.0 0.338 116.3 2106.0 0.339 116.5 2107.0 0.339 116.7 2108.0 0.340 117.0 2109.0 0.341 117.2 2110.0 0.342 117.4 2111.0 0.342 117.6 2112.0 0.343 117.8 2113.0 0.343 118.1 2114.0 0.344 118.3 2115.0 0.344 118.5 2116.0 0.345 118.7 2117.0 0.345 118.9 2118.0 0.345 119.2 2119.0 0.346 119.4 2120.0 0.346 119.6 2121.0 0.346 119.8 2122.0 0.346 120.0 2123.0 0.346 120.2 2124.0 0.346 120.4 2125.0 0.346 120.7 2126.0 0.346 120.9 2127.0 0.346 121.1 2128.0 0.346 121.3 2129.0 0.346 121.5 2130.0 0.346 121.7 2131.0 0.345 122.0 2132.0 0.345 122.2 2133.0 0.345 122.4 2134.0 0.344 122.6 2135.0 0.344 122.8 2136.0 0.344 123.0 2137.0 0.343 123.3 2138.0 0.343 123.5 2139.0 0.342 123.7 2140.0 0.341 123.9 2141.0 0.341 124.1 2142.0 0.340 124.4 2143.0 0.339 124.6 2144.0 0.338 124.8 2145.0 0.338 125.0 2146.0 0.337 125.3 2147.0 0.336 125.5 2148.0 0.335 125.7 2149.0 0.334 126.0 2150.0 0.333 126.2