| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:31:30 |
| WDS: | B2036AB | WDS ID/Discoverer |
| P: | 280.685 | Orbital period (years) |
| a: | 0.48855 | Semi-major axis (arcseconds) |
| i: | 89.338 | Inclination (degrees) |
| Ω: | 1.486 | Longitude of ascending node (degrees) |
| T: | 1987.357 | Epoch of periastron passage (year) |
| e: | 0.70147 | Eccentricity |
| ω: | 249.77 | Longitude of periastron (degrees) |
| Start-Year: | 1885.0 | Year |
| End-Year: | 2165.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 153117.22-334911.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15313-3349 | WDS designation |
| Discoverer Code: | B2036AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 138138 | HD catalog number |
| Hipparcos number: | 76001 | Hipparcos catalog number |
| V1: | 7.7 | Magnitude of the primary |
| V2: | 7.9 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2014 | 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 0.441 1.8 ------------------------- 1885.0 0.107 6.3 1886.0 0.102 6.5 1887.0 0.097 6.8 1888.0 0.092 7.1 1889.0 0.087 7.4 1890.0 0.082 7.7 1891.0 0.077 8.1 1892.0 0.071 8.6 1893.0 0.066 9.1 1894.0 0.061 9.8 1895.0 0.056 10.5 1896.0 0.051 11.4 1897.0 0.046 12.5 1898.0 0.041 13.8 1899.0 0.036 15.6 1900.0 0.030 17.9 1901.0 0.026 21.1 1902.0 0.021 25.9 1903.0 0.016 33.6 1904.0 0.012 47.0 1905.0 0.009 71.6 1906.0 0.009 106.2 1907.0 0.011 133.3 1908.0 0.015 148.3 1909.0 0.020 156.8 1910.0 0.025 162.0 1911.0 0.030 165.5 1912.0 0.035 168.0 1913.0 0.040 169.8 1914.0 0.045 171.2 1915.0 0.050 172.4 1916.0 0.055 173.3 1917.0 0.060 174.0 1918.0 0.065 174.7 1919.0 0.070 175.2 1920.0 0.076 175.7 1921.0 0.081 176.1 1922.0 0.086 176.5 1923.0 0.091 176.8 1924.0 0.096 177.1 1925.0 0.101 177.3 1926.0 0.106 177.6 1927.0 0.111 177.8 1928.0 0.116 178.0 1929.0 0.121 178.2 1930.0 0.126 178.3 1931.0 0.131 178.5 1932.0 0.136 178.6 1933.0 0.140 178.8 1934.0 0.145 178.9 1935.0 0.150 179.0 1936.0 0.155 179.1 1937.0 0.159 179.2 1938.0 0.164 179.3 1939.0 0.168 179.4 1940.0 0.173 179.5 1941.0 0.177 179.6 1942.0 0.182 179.6 1943.0 0.186 179.7 1944.0 0.190 179.8 1945.0 0.194 179.9 1946.0 0.198 179.9 1947.0 0.202 180.0 1948.0 0.206 180.1 1949.0 0.210 180.1 1950.0 0.214 180.2 1951.0 0.217 180.2 1952.0 0.221 180.3 1953.0 0.224 180.3 1954.0 0.227 180.4 1955.0 0.230 180.4 1956.0 0.233 180.5 1957.0 0.236 180.5 1958.0 0.238 180.6 1959.0 0.241 180.6 1960.0 0.243 180.6 1961.0 0.244 180.7 1962.0 0.246 180.7 1963.0 0.247 180.8 1964.0 0.248 180.8 1965.0 0.249 180.9 1966.0 0.249 180.9 1967.0 0.249 180.9 1968.0 0.249 181.0 1969.0 0.248 181.0 1970.0 0.246 181.1 1971.0 0.244 181.1 1972.0 0.242 181.1 1973.0 0.238 181.2 1974.0 0.234 181.2 1975.0 0.229 181.3 1976.0 0.223 181.3 1977.0 0.216 181.4 1978.0 0.208 181.4 1979.0 0.198 181.5 1980.0 0.187 181.6 1981.0 0.174 181.6 1982.0 0.160 181.7 1983.0 0.143 181.8 1984.0 0.125 182.0 1985.0 0.105 182.2 1986.0 0.083 182.5 1987.0 0.059 183.0 1988.0 0.035 184.2 1989.0 0.009 192.0 1990.0 0.016 355.3 1991.0 0.041 359.0 1992.0 0.066 360.0 1993.0 0.090 0.4 1994.0 0.112 0.6 1995.0 0.134 0.8 1996.0 0.154 0.9 1997.0 0.174 1.0 1998.0 0.192 1.1 1999.0 0.209 1.2 2000.0 0.226 1.2 2001.0 0.241 1.3 2002.0 0.255 1.3 2003.0 0.269 1.3 2004.0 0.282 1.4 2005.0 0.294 1.4 2006.0 0.306 1.4 2007.0 0.317 1.5 2008.0 0.327 1.5 2009.0 0.337 1.5 2010.0 0.347 1.5 2011.0 0.355 1.6 2012.0 0.364 1.6 2013.0 0.372 1.6 2014.0 0.379 1.6 2015.0 0.386 1.6 2016.0 0.393 1.6 2017.0 0.400 1.7 2018.0 0.406 1.7 2019.0 0.412 1.7 2020.0 0.417 1.7 2021.0 0.422 1.7 2022.0 0.427 1.7 2023.0 0.432 1.7 2024.0 0.436 1.8 2025.0 0.441 1.8 2026.0 0.444 1.8 2027.0 0.448 1.8 2028.0 0.452 1.8 2029.0 0.455 1.8 2030.0 0.458 1.8 2031.0 0.461 1.8 2032.0 0.464 1.9 2033.0 0.466 1.9 2034.0 0.469 1.9 2035.0 0.471 1.9 2036.0 0.473 1.9 2037.0 0.475 1.9 2038.0 0.476 1.9 2039.0 0.478 1.9 2040.0 0.479 1.9 2041.0 0.481 2.0 2042.0 0.482 2.0 2043.0 0.483 2.0 2044.0 0.484 2.0 2045.0 0.484 2.0 2046.0 0.485 2.0 2047.0 0.485 2.0 2048.0 0.486 2.0 2049.0 0.486 2.0 2050.0 0.486 2.1 2051.0 0.486 2.1 2052.0 0.486 2.1 2053.0 0.486 2.1 2054.0 0.486 2.1 2055.0 0.486 2.1 2056.0 0.485 2.1 2057.0 0.485 2.1 2058.0 0.484 2.1 2059.0 0.483 2.2 2060.0 0.482 2.2 2061.0 0.481 2.2 2062.0 0.480 2.2 2063.0 0.479 2.2 2064.0 0.478 2.2 2065.0 0.477 2.2 2066.0 0.476 2.2 2067.0 0.474 2.2 2068.0 0.473 2.2 2069.0 0.471 2.3 2070.0 0.470 2.3 2071.0 0.468 2.3 2072.0 0.466 2.3 2073.0 0.465 2.3 2074.0 0.463 2.3 2075.0 0.461 2.3 2076.0 0.459 2.3 2077.0 0.457 2.4 2078.0 0.455 2.4 2079.0 0.452 2.4 2080.0 0.450 2.4 2081.0 0.448 2.4 2082.0 0.445 2.4 2083.0 0.443 2.4 2084.0 0.440 2.4 2085.0 0.438 2.5 2086.0 0.435 2.5 2087.0 0.433 2.5 2088.0 0.430 2.5 2089.0 0.427 2.5 2090.0 0.424 2.5 2091.0 0.422 2.5 2092.0 0.419 2.6 2093.0 0.416 2.6 2094.0 0.413 2.6 2095.0 0.410 2.6 2096.0 0.407 2.6 2097.0 0.403 2.6 2098.0 0.400 2.6 2099.0 0.397 2.7 2100.0 0.394 2.7 2101.0 0.390 2.7 2102.0 0.387 2.7 2103.0 0.384 2.7 2104.0 0.380 2.7 2105.0 0.377 2.8 2106.0 0.373 2.8 2107.0 0.370 2.8 2108.0 0.366 2.8 2109.0 0.362 2.8 2110.0 0.359 2.9 2111.0 0.355 2.9 2112.0 0.351 2.9 2113.0 0.347 2.9 2114.0 0.343 2.9 2115.0 0.340 3.0 2116.0 0.336 3.0 2117.0 0.332 3.0 2118.0 0.328 3.0 2119.0 0.324 3.0 2120.0 0.320 3.1 2121.0 0.316 3.1 2122.0 0.312 3.1 2123.0 0.307 3.1 2124.0 0.303 3.2 2125.0 0.299 3.2 2126.0 0.295 3.2 2127.0 0.291 3.3 2128.0 0.286 3.3 2129.0 0.282 3.3 2130.0 0.278 3.4 2131.0 0.273 3.4 2132.0 0.269 3.4 2133.0 0.264 3.5 2134.0 0.260 3.5 2135.0 0.255 3.5 2136.0 0.251 3.6 2137.0 0.246 3.6 2138.0 0.242 3.7 2139.0 0.237 3.7 2140.0 0.233 3.7 2141.0 0.228 3.8 2142.0 0.223 3.8 2143.0 0.219 3.9 2144.0 0.214 3.9 2145.0 0.209 4.0 2146.0 0.205 4.1 2147.0 0.200 4.1 2148.0 0.195 4.2 2149.0 0.190 4.3 2150.0 0.185 4.3 2151.0 0.180 4.4 2152.0 0.176 4.5 2153.0 0.171 4.6 2154.0 0.166 4.7 2155.0 0.161 4.8 2156.0 0.156 4.9 2157.0 0.151 5.0 2158.0 0.146 5.1 2159.0 0.141 5.2 2160.0 0.136 5.3 2161.0 0.131 5.5 2162.0 0.126 5.6 2163.0 0.121 5.8 2164.0 0.116 6.0