| WDS: | B177AB | WDS ID/Discoverer |
| P: | 400.000 | Orbital period (years) |
| a: | 0.18 | Semi-major axis (arcseconds) |
| i: | 85.2 | Inclination (degrees) |
| Ω: | 197.0 | Longitude of ascending node (degrees) |
| T: | 2035.805 | Epoch of periastron passage (year) |
| e: | 0.7 | Eccentricity |
| ω: | 142.9 | Longitude of periastron (degrees) |
| Start-Year: | 1825.0 | Year |
| End-Year: | 2225.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for B177AB |
||
| Position: | 090813.85-282909.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 09082-2829 | WDS designation |
| Discoverer Code: | B177AB | Discover designation and components |
| ADS number: | 7205 | Aitken Double Star catalog |
| HD number: | 78590 | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 9.3 | Magnitude of the primary |
| V2: | 9.6 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2022 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Tok2023a | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.008 244.03 -------------------------- 1825.00 0.236 193.05 1826.00 0.237 193.08 1827.00 0.238 193.12 1828.00 0.239 193.15 1829.00 0.239 193.18 1830.00 0.240 193.21 1831.00 0.241 193.24 1832.00 0.242 193.27 1833.00 0.243 193.30 1834.00 0.243 193.33 1835.00 0.244 193.36 1836.00 0.245 193.38 1837.00 0.245 193.41 1838.00 0.246 193.44 1839.00 0.247 193.47 1840.00 0.247 193.50 1841.00 0.248 193.53 1842.00 0.249 193.56 1843.00 0.249 193.58 1844.00 0.250 193.61 1845.00 0.251 193.64 1846.00 0.251 193.67 1847.00 0.252 193.70 1848.00 0.252 193.72 1849.00 0.253 193.75 1850.00 0.253 193.78 1851.00 0.254 193.80 1852.00 0.254 193.83 1853.00 0.255 193.86 1854.00 0.255 193.89 1855.00 0.256 193.91 1856.00 0.256 193.94 1857.00 0.257 193.96 1858.00 0.257 193.99 1859.00 0.258 194.02 1860.00 0.258 194.04 1861.00 0.258 194.07 1862.00 0.259 194.10 1863.00 0.259 194.12 1864.00 0.260 194.15 1865.00 0.260 194.17 1866.00 0.260 194.20 1867.00 0.261 194.23 1868.00 0.261 194.25 1869.00 0.261 194.28 1870.00 0.261 194.30 1871.00 0.262 194.33 1872.00 0.262 194.35 1873.00 0.262 194.38 1874.00 0.262 194.40 1875.00 0.263 194.43 1876.00 0.263 194.45 1877.00 0.263 194.48 1878.00 0.263 194.50 1879.00 0.263 194.53 1880.00 0.263 194.55 1881.00 0.263 194.58 1882.00 0.264 194.60 1883.00 0.264 194.63 1884.00 0.264 194.65 1885.00 0.264 194.68 1886.00 0.264 194.71 1887.00 0.264 194.73 1888.00 0.264 194.76 1889.00 0.264 194.78 1890.00 0.264 194.81 1891.00 0.264 194.83 1892.00 0.264 194.86 1893.00 0.264 194.88 1894.00 0.264 194.91 1895.00 0.264 194.93 1896.00 0.263 194.96 1897.00 0.263 194.98 1898.00 0.263 195.01 1899.00 0.263 195.03 1900.00 0.263 195.06 1901.00 0.263 195.08 1902.00 0.262 195.11 1903.00 0.262 195.13 1904.00 0.262 195.16 1905.00 0.262 195.18 1906.00 0.261 195.21 1907.00 0.261 195.23 1908.00 0.261 195.26 1909.00 0.260 195.29 1910.00 0.260 195.31 1911.00 0.260 195.34 1912.00 0.259 195.36 1913.00 0.259 195.39 1914.00 0.258 195.41 1915.00 0.258 195.44 1916.00 0.258 195.47 1917.00 0.257 195.49 1918.00 0.257 195.52 1919.00 0.256 195.55 1920.00 0.256 195.57 1921.00 0.255 195.60 1922.00 0.254 195.63 1923.00 0.254 195.65 1924.00 0.253 195.68 1925.00 0.253 195.71 1926.00 0.252 195.74 1927.00 0.251 195.76 1928.00 0.251 195.79 1929.00 0.250 195.82 1930.00 0.249 195.85 1931.00 0.248 195.87 1932.00 0.248 195.90 1933.00 0.247 195.93 1934.00 0.246 195.96 1935.00 0.245 195.99 1936.00 0.244 196.02 1937.00 0.243 196.05 1938.00 0.242 196.08 1939.00 0.241 196.11 1940.00 0.241 196.14 1941.00 0.240 196.17 1942.00 0.239 196.20 1943.00 0.237 196.23 1944.00 0.236 196.26 1945.00 0.235 196.29 1946.00 0.234 196.32 1947.00 0.233 196.35 1948.00 0.232 196.39 1949.00 0.231 196.42 1950.00 0.230 196.45 1951.00 0.228 196.49 1952.00 0.227 196.52 1953.00 0.226 196.55 1954.00 0.224 196.59 1955.00 0.223 196.62 1956.00 0.222 196.66 1957.00 0.220 196.69 1958.00 0.219 196.73 1959.00 0.217 196.77 1960.00 0.216 196.80 1961.00 0.214 196.84 1962.00 0.213 196.88 1963.00 0.211 196.92 1964.00 0.210 196.96 1965.00 0.208 197.00 1966.00 0.206 197.04 1967.00 0.205 197.08 1968.00 0.203 197.12 1969.00 0.201 197.16 1970.00 0.199 197.21 1971.00 0.197 197.25 1972.00 0.195 197.30 1973.00 0.194 197.34 1974.00 0.192 197.39 1975.00 0.190 197.44 1976.00 0.187 197.49 1977.00 0.185 197.54 1978.00 0.183 197.59 1979.00 0.181 197.64 1980.00 0.179 197.69 1981.00 0.177 197.75 1982.00 0.174 197.81 1983.00 0.172 197.86 1984.00 0.170 197.92 1985.00 0.167 197.99 1986.00 0.165 198.05 1987.00 0.162 198.11 1988.00 0.160 198.18 1989.00 0.157 198.25 1990.00 0.154 198.32 1991.00 0.151 198.40 1992.00 0.149 198.47 1993.00 0.146 198.56 1994.00 0.143 198.64 1995.00 0.140 198.73 1996.00 0.137 198.82 1997.00 0.134 198.91 1998.00 0.131 199.01 1999.00 0.127 199.12 2000.00 0.124 199.23 2001.00 0.121 199.34 2002.00 0.117 199.47 2003.00 0.114 199.60 2004.00 0.110 199.74 2005.00 0.106 199.89 2006.00 0.103 200.04 2007.00 0.099 200.22 2008.00 0.095 200.40 2009.00 0.091 200.60 2010.00 0.087 200.82 2011.00 0.083 201.07 2012.00 0.078 201.34 2013.00 0.074 201.63 2014.00 0.070 201.97 2015.00 0.065 202.36 2016.00 0.060 202.80 2017.00 0.056 203.32 2018.00 0.051 203.93 2019.00 0.046 204.68 2020.00 0.041 205.61 2021.00 0.036 206.80 2022.00 0.031 208.40 2023.00 0.025 210.66 2024.00 0.020 214.11 2025.00 0.015 220.04 2026.00 0.010 232.22 2027.00 0.006 263.63 2028.00 0.006 318.68 2029.00 0.010 347.25 2030.00 0.015 358.52 2031.00 0.020 4.14 2032.00 0.026 7.48 2033.00 0.031 9.71 2034.00 0.035 11.32 2035.00 0.040 12.56 2036.00 0.044 13.56 2037.00 0.048 14.39 2038.00 0.051 15.10 2039.00 0.054 15.74 2040.00 0.056 16.31 2041.00 0.058 16.84 2042.00 0.060 17.34 2043.00 0.061 17.81 2044.00 0.062 18.27 2045.00 0.063 18.72 2046.00 0.063 19.16 2047.00 0.063 19.61 2048.00 0.062 20.05 2049.00 0.062 20.51 2050.00 0.061 20.97 2051.00 0.060 21.44 2052.00 0.059 21.93 2053.00 0.058 22.44 2054.00 0.057 22.97 2055.00 0.055 23.53 2056.00 0.054 24.12 2057.00 0.052 24.74 2058.00 0.050 25.41 2059.00 0.049 26.12 2060.00 0.047 26.88 2061.00 0.045 27.71 2062.00 0.043 28.61 2063.00 0.041 29.59 2064.00 0.039 30.66 2065.00 0.037 31.85 2066.00 0.035 33.17 2067.00 0.033 34.64 2068.00 0.031 36.30 2069.00 0.029 38.18 2070.00 0.028 40.33 2071.00 0.026 42.81 2072.00 0.024 45.68 2073.00 0.022 49.03 2074.00 0.020 52.98 2075.00 0.019 57.66 2076.00 0.017 63.20 2077.00 0.016 69.75 2078.00 0.015 77.38 2079.00 0.014 86.07 2080.00 0.013 95.58 2081.00 0.013 105.46 2082.00 0.014 115.17 2083.00 0.014 124.20 2084.00 0.015 132.23 2085.00 0.017 139.16 2086.00 0.018 145.05 2087.00 0.020 150.02 2088.00 0.021 154.21 2089.00 0.023 157.76 2090.00 0.025 160.78 2091.00 0.027 163.37 2092.00 0.029 165.62 2093.00 0.031 167.57 2094.00 0.033 169.28 2095.00 0.035 170.79 2096.00 0.037 172.14 2097.00 0.039 173.34 2098.00 0.041 174.42 2099.00 0.043 175.40 2100.00 0.045 176.28 2101.00 0.047 177.09 2102.00 0.050 177.83 2103.00 0.052 178.51 2104.00 0.054 179.14 2105.00 0.056 179.72 2106.00 0.058 180.26 2107.00 0.060 180.76 2108.00 0.062 181.23 2109.00 0.064 181.67 2110.00 0.066 182.08 2111.00 0.068 182.46 2112.00 0.070 182.83 2113.00 0.072 183.17 2114.00 0.074 183.49 2115.00 0.076 183.80 2116.00 0.078 184.09 2117.00 0.080 184.37 2118.00 0.082 184.63 2119.00 0.084 184.88 2120.00 0.086 185.12 2121.00 0.088 185.35 2122.00 0.090 185.56 2123.00 0.092 185.77 2124.00 0.094 185.97 2125.00 0.096 186.17 2126.00 0.098 186.35 2127.00 0.100 186.53 2128.00 0.102 186.70 2129.00 0.104 186.86 2130.00 0.106 187.02 2131.00 0.108 187.18 2132.00 0.109 187.33 2133.00 0.111 187.47 2134.00 0.113 187.61 2135.00 0.115 187.74 2136.00 0.117 187.87 2137.00 0.119 188.00 2138.00 0.120 188.12 2139.00 0.122 188.24 2140.00 0.124 188.35 2141.00 0.126 188.46 2142.00 0.128 188.57 2143.00 0.129 188.68 2144.00 0.131 188.78 2145.00 0.133 188.88 2146.00 0.135 188.98 2147.00 0.136 189.07 2148.00 0.138 189.17 2149.00 0.140 189.26 2150.00 0.141 189.34 2151.00 0.143 189.43 2152.00 0.145 189.52 2153.00 0.146 189.60 2154.00 0.148 189.68 2155.00 0.150 189.76 2156.00 0.151 189.83 2157.00 0.153 189.91 2158.00 0.154 189.98 2159.00 0.156 190.06 2160.00 0.158 190.13 2161.00 0.159 190.20 2162.00 0.161 190.26 2163.00 0.162 190.33 2164.00 0.164 190.40 2165.00 0.165 190.46 2166.00 0.167 190.52 2167.00 0.168 190.59 2168.00 0.170 190.65 2169.00 0.171 190.71 2170.00 0.173 190.77 2171.00 0.174 190.82 2172.00 0.176 190.88 2173.00 0.177 190.94 2174.00 0.178 190.99 2175.00 0.180 191.05 2176.00 0.181 191.10 2177.00 0.183 191.15 2178.00 0.184 191.21 2179.00 0.185 191.26 2180.00 0.187 191.31 2181.00 0.188 191.36 2182.00 0.189 191.41 2183.00 0.191 191.45 2184.00 0.192 191.50 2185.00 0.193 191.55 2186.00 0.195 191.59 2187.00 0.196 191.64 2188.00 0.197 191.69 2189.00 0.198 191.73 2190.00 0.200 191.77 2191.00 0.201 191.82 2192.00 0.202 191.86 2193.00 0.203 191.90 2194.00 0.205 191.94 2195.00 0.206 191.99 2196.00 0.207 192.03 2197.00 0.208 192.07 2198.00 0.209 192.11 2199.00 0.210 192.15 2200.00 0.212 192.19 2201.00 0.213 192.22 2202.00 0.214 192.26 2203.00 0.215 192.30 2204.00 0.216 192.34 2205.00 0.217 192.38 2206.00 0.218 192.41 2207.00 0.219 192.45 2208.00 0.220 192.48 2209.00 0.221 192.52 2210.00 0.222 192.56 2211.00 0.223 192.59 2212.00 0.224 192.63 2213.00 0.225 192.66 2214.00 0.226 192.69 2215.00 0.227 192.73 2216.00 0.228 192.76 2217.00 0.229 192.80 2218.00 0.230 192.83 2219.00 0.231 192.86 2220.00 0.232 192.89 2221.00 0.233 192.93 2222.00 0.234 192.96 2223.00 0.234 192.99 2224.00 0.235 193.02
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:14:08 |