| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:44:21 |
| WDS: | A2087 | WDS ID/Discoverer |
| P: | 300.410 | Orbital period (years) |
| a: | 0.464 | Semi-major axis (arcseconds) |
| i: | 59.5 | Inclination (degrees) |
| Ω: | 143.7 | Longitude of ascending node (degrees) |
| T: | 1969.640 | Epoch of periastron passage (year) |
| e: | 0.666 | Eccentricity |
| ω: | 208.7 | Longitude of periastron (degrees) |
| Start-Year: | 1875.0 | Year |
| End-Year: | 2175.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 171338.90+171627.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17136+1716 | WDS designation |
| Discoverer Code: | A2087 | Discover designation and components |
| ADS number: | 10403 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 84274 | Hipparcos catalog number |
| V1: | 10.47 | Magnitude of the primary |
| V2: | 10.73 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1997 | 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 0.530 138.5 ------------------------- 1875.0 0.535 173.0 1876.0 0.531 173.4 1877.0 0.526 173.7 1878.0 0.521 174.1 1879.0 0.517 174.4 1880.0 0.512 174.8 1881.0 0.507 175.2 1882.0 0.502 175.6 1883.0 0.498 175.9 1884.0 0.493 176.3 1885.0 0.488 176.8 1886.0 0.483 177.2 1887.0 0.478 177.6 1888.0 0.472 178.0 1889.0 0.467 178.5 1890.0 0.462 178.9 1891.0 0.457 179.4 1892.0 0.451 179.9 1893.0 0.446 180.3 1894.0 0.441 180.8 1895.0 0.435 181.3 1896.0 0.430 181.9 1897.0 0.424 182.4 1898.0 0.419 183.0 1899.0 0.413 183.5 1900.0 0.408 184.1 1901.0 0.402 184.7 1902.0 0.396 185.3 1903.0 0.390 185.9 1904.0 0.385 186.6 1905.0 0.379 187.3 1906.0 0.373 187.9 1907.0 0.367 188.7 1908.0 0.361 189.4 1909.0 0.355 190.2 1910.0 0.349 190.9 1911.0 0.344 191.8 1912.0 0.338 192.6 1913.0 0.332 193.5 1914.0 0.326 194.4 1915.0 0.320 195.3 1916.0 0.314 196.3 1917.0 0.308 197.3 1918.0 0.302 198.4 1919.0 0.296 199.5 1920.0 0.290 200.6 1921.0 0.284 201.8 1922.0 0.278 203.0 1923.0 0.272 204.3 1924.0 0.266 205.7 1925.0 0.260 207.1 1926.0 0.254 208.6 1927.0 0.249 210.1 1928.0 0.243 211.7 1929.0 0.238 213.4 1930.0 0.232 215.2 1931.0 0.227 217.0 1932.0 0.222 219.0 1933.0 0.217 221.0 1934.0 0.212 223.1 1935.0 0.207 225.4 1936.0 0.203 227.7 1937.0 0.198 230.1 1938.0 0.194 232.7 1939.0 0.190 235.3 1940.0 0.187 238.1 1941.0 0.184 240.9 1942.0 0.181 243.9 1943.0 0.178 246.9 1944.0 0.176 250.0 1945.0 0.173 253.2 1946.0 0.172 256.5 1947.0 0.170 259.8 1948.0 0.169 263.2 1949.0 0.169 266.6 1950.0 0.168 270.1 1951.0 0.168 273.5 1952.0 0.169 277.0 1953.0 0.169 280.4 1954.0 0.170 283.8 1955.0 0.170 287.2 1956.0 0.171 290.5 1957.0 0.172 293.9 1958.0 0.173 297.2 1959.0 0.173 300.4 1960.0 0.173 303.7 1961.0 0.173 306.9 1962.0 0.173 310.2 1963.0 0.171 313.5 1964.0 0.169 316.9 1965.0 0.166 320.3 1966.0 0.163 323.9 1967.0 0.158 327.7 1968.0 0.152 331.8 1969.0 0.146 336.2 1970.0 0.138 341.0 1971.0 0.131 346.4 1972.0 0.122 352.5 1973.0 0.115 359.5 1974.0 0.108 7.4 1975.0 0.102 16.4 1976.0 0.098 26.2 1977.0 0.096 36.6 1978.0 0.097 47.1 1979.0 0.101 57.1 1980.0 0.107 66.2 1981.0 0.114 74.3 1982.0 0.123 81.2 1983.0 0.133 87.2 1984.0 0.144 92.3 1985.0 0.156 96.6 1986.0 0.167 100.4 1987.0 0.179 103.6 1988.0 0.191 106.5 1989.0 0.203 109.0 1990.0 0.215 111.2 1991.0 0.227 113.2 1992.0 0.239 115.0 1993.0 0.251 116.6 1994.0 0.262 118.1 1995.0 0.273 119.5 1996.0 0.285 120.7 1997.0 0.296 121.9 1998.0 0.306 123.0 1999.0 0.317 124.0 2000.0 0.327 124.9 2001.0 0.337 125.8 2002.0 0.347 126.7 2003.0 0.357 127.4 2004.0 0.367 128.2 2005.0 0.376 128.9 2006.0 0.385 129.6 2007.0 0.394 130.2 2008.0 0.403 130.8 2009.0 0.412 131.4 2010.0 0.421 132.0 2011.0 0.429 132.5 2012.0 0.437 133.0 2013.0 0.445 133.5 2014.0 0.453 134.0 2015.0 0.461 134.5 2016.0 0.468 134.9 2017.0 0.476 135.4 2018.0 0.483 135.8 2019.0 0.490 136.2 2020.0 0.497 136.6 2021.0 0.504 137.0 2022.0 0.510 137.4 2023.0 0.517 137.8 2024.0 0.523 138.1 2025.0 0.530 138.5 2026.0 0.536 138.8 2027.0 0.542 139.2 2028.0 0.548 139.5 2029.0 0.553 139.8 2030.0 0.559 140.1 2031.0 0.565 140.4 2032.0 0.570 140.7 2033.0 0.575 141.0 2034.0 0.580 141.3 2035.0 0.585 141.6 2036.0 0.590 141.9 2037.0 0.595 142.2 2038.0 0.600 142.4 2039.0 0.604 142.7 2040.0 0.609 143.0 2041.0 0.613 143.2 2042.0 0.618 143.5 2043.0 0.622 143.8 2044.0 0.626 144.0 2045.0 0.630 144.3 2046.0 0.634 144.5 2047.0 0.638 144.7 2048.0 0.641 145.0 2049.0 0.645 145.2 2050.0 0.648 145.5 2051.0 0.652 145.7 2052.0 0.655 145.9 2053.0 0.658 146.1 2054.0 0.662 146.4 2055.0 0.665 146.6 2056.0 0.668 146.8 2057.0 0.670 147.0 2058.0 0.673 147.2 2059.0 0.676 147.5 2060.0 0.679 147.7 2061.0 0.681 147.9 2062.0 0.684 148.1 2063.0 0.686 148.3 2064.0 0.688 148.5 2065.0 0.690 148.7 2066.0 0.693 148.9 2067.0 0.695 149.1 2068.0 0.697 149.3 2069.0 0.698 149.5 2070.0 0.700 149.7 2071.0 0.702 149.9 2072.0 0.704 150.1 2073.0 0.705 150.3 2074.0 0.707 150.5 2075.0 0.708 150.7 2076.0 0.710 150.9 2077.0 0.711 151.1 2078.0 0.712 151.3 2079.0 0.713 151.5 2080.0 0.714 151.7 2081.0 0.715 151.9 2082.0 0.716 152.0 2083.0 0.717 152.2 2084.0 0.718 152.4 2085.0 0.719 152.6 2086.0 0.719 152.8 2087.0 0.720 153.0 2088.0 0.720 153.2 2089.0 0.721 153.4 2090.0 0.721 153.6 2091.0 0.722 153.7 2092.0 0.722 153.9 2093.0 0.722 154.1 2094.0 0.722 154.3 2095.0 0.722 154.5 2096.0 0.722 154.7 2097.0 0.722 154.9 2098.0 0.722 155.1 2099.0 0.722 155.2 2100.0 0.722 155.4 2101.0 0.721 155.6 2102.0 0.721 155.8 2103.0 0.720 156.0 2104.0 0.720 156.2 2105.0 0.719 156.4 2106.0 0.719 156.6 2107.0 0.718 156.8 2108.0 0.717 156.9 2109.0 0.716 157.1 2110.0 0.716 157.3 2111.0 0.715 157.5 2112.0 0.714 157.7 2113.0 0.713 157.9 2114.0 0.711 158.1 2115.0 0.710 158.3 2116.0 0.709 158.5 2117.0 0.708 158.7 2118.0 0.706 158.9 2119.0 0.705 159.1 2120.0 0.704 159.3 2121.0 0.702 159.5 2122.0 0.700 159.7 2123.0 0.699 159.9 2124.0 0.697 160.1 2125.0 0.695 160.3 2126.0 0.693 160.5 2127.0 0.692 160.7 2128.0 0.690 160.9 2129.0 0.688 161.1 2130.0 0.686 161.3 2131.0 0.684 161.5 2132.0 0.681 161.7 2133.0 0.679 161.9 2134.0 0.677 162.1 2135.0 0.675 162.3 2136.0 0.672 162.6 2137.0 0.670 162.8 2138.0 0.667 163.0 2139.0 0.665 163.2 2140.0 0.662 163.4 2141.0 0.659 163.7 2142.0 0.657 163.9 2143.0 0.654 164.1 2144.0 0.651 164.3 2145.0 0.648 164.6 2146.0 0.645 164.8 2147.0 0.642 165.0 2148.0 0.639 165.3 2149.0 0.636 165.5 2150.0 0.633 165.8 2151.0 0.630 166.0 2152.0 0.627 166.3 2153.0 0.623 166.5 2154.0 0.620 166.8 2155.0 0.616 167.0 2156.0 0.613 167.3 2157.0 0.609 167.5 2158.0 0.606 167.8 2159.0 0.602 168.1 2160.0 0.599 168.3 2161.0 0.595 168.6 2162.0 0.591 168.9 2163.0 0.587 169.2 2164.0 0.583 169.5 2165.0 0.579 169.7 2166.0 0.575 170.0 2167.0 0.571 170.3 2168.0 0.567 170.6 2169.0 0.563 170.9 2170.0 0.559 171.2 2171.0 0.555 171.6 2172.0 0.550 171.9 2173.0 0.546 172.2 2174.0 0.541 172.5