| WDS: | A2388 | WDS ID/Discoverer |
| P: | 330.000 | Orbital period (years) |
| a: | 0.453 | Semi-major axis (arcseconds) |
| i: | 70.3 | Inclination (degrees) |
| Ω: | 254.7 | Longitude of ascending node (degrees) |
| T: | 1942.400 | Epoch of periastron passage (year) |
| e: | 0.85 | Eccentricity |
| ω: | 96.0 | Longitude of periastron (degrees) |
| Start-Year: | 1860.0 | Year |
| End-Year: | 2190.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2388 |
||
| Position: | 184359.30+032038.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18440+0321 | WDS designation |
| Discoverer Code: | A2388 | Discover designation and components |
| ADS number: | 11619 | Aitken Double Star catalog |
| HD number: | 173196 | HD catalog number |
| Hipparcos number: | 91893 | Hipparcos catalog number |
| V1: | 8.59 | Magnitude of the primary |
| V2: | 9.56 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | FMR2014c | 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 0.258 138.70 -------------------------- 1860.00 0.335 214.51 1861.00 0.335 214.86 1862.00 0.335 215.22 1863.00 0.335 215.57 1864.00 0.335 215.92 1865.00 0.335 216.28 1866.00 0.335 216.63 1867.00 0.335 216.98 1868.00 0.335 217.34 1869.00 0.335 217.69 1870.00 0.334 218.05 1871.00 0.334 218.40 1872.00 0.334 218.76 1873.00 0.334 219.12 1874.00 0.333 219.47 1875.00 0.333 219.83 1876.00 0.333 220.19 1877.00 0.332 220.55 1878.00 0.332 220.91 1879.00 0.331 221.27 1880.00 0.331 221.64 1881.00 0.330 222.00 1882.00 0.330 222.36 1883.00 0.329 222.73 1884.00 0.328 223.10 1885.00 0.328 223.47 1886.00 0.327 223.84 1887.00 0.326 224.21 1888.00 0.325 224.59 1889.00 0.324 224.96 1890.00 0.323 225.34 1891.00 0.322 225.72 1892.00 0.321 226.11 1893.00 0.320 226.49 1894.00 0.319 226.88 1895.00 0.318 227.27 1896.00 0.317 227.67 1897.00 0.315 228.07 1898.00 0.314 228.47 1899.00 0.312 228.87 1900.00 0.311 229.28 1901.00 0.309 229.70 1902.00 0.307 230.12 1903.00 0.306 230.54 1904.00 0.304 230.97 1905.00 0.302 231.40 1906.00 0.300 231.84 1907.00 0.298 232.29 1908.00 0.295 232.74 1909.00 0.293 233.20 1910.00 0.290 233.67 1911.00 0.288 234.14 1912.00 0.285 234.63 1913.00 0.282 235.12 1914.00 0.279 235.63 1915.00 0.276 236.14 1916.00 0.273 236.67 1917.00 0.269 237.21 1918.00 0.265 237.77 1919.00 0.261 238.34 1920.00 0.257 238.93 1921.00 0.253 239.54 1922.00 0.248 240.18 1923.00 0.244 240.83 1924.00 0.238 241.52 1925.00 0.233 242.23 1926.00 0.227 242.98 1927.00 0.221 243.77 1928.00 0.214 244.61 1929.00 0.207 245.51 1930.00 0.200 246.47 1931.00 0.191 247.51 1932.00 0.182 248.65 1933.00 0.172 249.92 1934.00 0.162 251.34 1935.00 0.150 252.98 1936.00 0.137 254.92 1937.00 0.122 257.31 1938.00 0.105 260.42 1939.00 0.086 264.83 1940.00 0.064 272.04 1941.00 0.041 287.24 1942.00 0.024 332.50 1943.00 0.033 33.65 1944.00 0.055 55.52 1945.00 0.077 64.75 1946.00 0.096 70.11 1947.00 0.111 73.82 1948.00 0.125 76.67 1949.00 0.136 79.00 1950.00 0.146 80.99 1951.00 0.155 82.74 1952.00 0.163 84.32 1953.00 0.170 85.75 1954.00 0.176 87.09 1955.00 0.182 88.33 1956.00 0.187 89.50 1957.00 0.191 90.62 1958.00 0.195 91.68 1959.00 0.199 92.70 1960.00 0.203 93.68 1961.00 0.206 94.63 1962.00 0.209 95.55 1963.00 0.212 96.45 1964.00 0.215 97.32 1965.00 0.217 98.17 1966.00 0.220 99.00 1967.00 0.222 99.82 1968.00 0.224 100.62 1969.00 0.226 101.41 1970.00 0.227 102.18 1971.00 0.229 102.95 1972.00 0.231 103.70 1973.00 0.232 104.44 1974.00 0.233 105.18 1975.00 0.235 105.90 1976.00 0.236 106.62 1977.00 0.237 107.33 1978.00 0.238 108.03 1979.00 0.239 108.73 1980.00 0.240 109.43 1981.00 0.241 110.11 1982.00 0.242 110.79 1983.00 0.243 111.47 1984.00 0.243 112.15 1985.00 0.244 112.81 1986.00 0.245 113.48 1987.00 0.245 114.14 1988.00 0.246 114.80 1989.00 0.247 115.45 1990.00 0.247 116.11 1991.00 0.248 116.76 1992.00 0.248 117.40 1993.00 0.249 118.05 1994.00 0.249 118.69 1995.00 0.250 119.33 1996.00 0.250 119.96 1997.00 0.250 120.60 1998.00 0.251 121.23 1999.00 0.251 121.86 2000.00 0.251 122.49 2001.00 0.252 123.12 2002.00 0.252 123.75 2003.00 0.252 124.37 2004.00 0.253 125.00 2005.00 0.253 125.62 2006.00 0.253 126.24 2007.00 0.254 126.86 2008.00 0.254 127.48 2009.00 0.254 128.09 2010.00 0.254 128.71 2011.00 0.255 129.32 2012.00 0.255 129.93 2013.00 0.255 130.55 2014.00 0.255 131.16 2015.00 0.255 131.77 2016.00 0.256 132.37 2017.00 0.256 132.98 2018.00 0.256 133.59 2019.00 0.256 134.19 2020.00 0.257 134.80 2021.00 0.257 135.40 2022.00 0.257 136.00 2023.00 0.257 136.60 2024.00 0.258 137.20 2025.00 0.258 137.80 2026.00 0.258 138.40 2027.00 0.258 139.00 2028.00 0.258 139.59 2029.00 0.259 140.19 2030.00 0.259 140.78 2031.00 0.259 141.38 2032.00 0.259 141.97 2033.00 0.260 142.56 2034.00 0.260 143.15 2035.00 0.260 143.73 2036.00 0.260 144.32 2037.00 0.261 144.91 2038.00 0.261 145.49 2039.00 0.261 146.07 2040.00 0.262 146.66 2041.00 0.262 147.24 2042.00 0.262 147.82 2043.00 0.262 148.39 2044.00 0.263 148.97 2045.00 0.263 149.55 2046.00 0.263 150.12 2047.00 0.264 150.69 2048.00 0.264 151.26 2049.00 0.264 151.83 2050.00 0.265 152.40 2051.00 0.265 152.97 2052.00 0.265 153.53 2053.00 0.266 154.10 2054.00 0.266 154.66 2055.00 0.266 155.22 2056.00 0.267 155.78 2057.00 0.267 156.34 2058.00 0.268 156.89 2059.00 0.268 157.45 2060.00 0.268 158.00 2061.00 0.269 158.55 2062.00 0.269 159.10 2063.00 0.270 159.65 2064.00 0.270 160.19 2065.00 0.271 160.74 2066.00 0.271 161.28 2067.00 0.271 161.82 2068.00 0.272 162.36 2069.00 0.272 162.90 2070.00 0.273 163.43 2071.00 0.273 163.96 2072.00 0.274 164.50 2073.00 0.274 165.02 2074.00 0.275 165.55 2075.00 0.275 166.08 2076.00 0.276 166.60 2077.00 0.276 167.12 2078.00 0.277 167.64 2079.00 0.277 168.16 2080.00 0.278 168.68 2081.00 0.278 169.19 2082.00 0.279 169.70 2083.00 0.280 170.21 2084.00 0.280 170.72 2085.00 0.281 171.22 2086.00 0.281 171.73 2087.00 0.282 172.23 2088.00 0.282 172.73 2089.00 0.283 173.23 2090.00 0.284 173.72 2091.00 0.284 174.22 2092.00 0.285 174.71 2093.00 0.285 175.20 2094.00 0.286 175.68 2095.00 0.287 176.17 2096.00 0.287 176.65 2097.00 0.288 177.13 2098.00 0.288 177.61 2099.00 0.289 178.09 2100.00 0.290 178.57 2101.00 0.290 179.04 2102.00 0.291 179.51 2103.00 0.291 179.98 2104.00 0.292 180.44 2105.00 0.293 180.91 2106.00 0.293 181.37 2107.00 0.294 181.83 2108.00 0.295 182.29 2109.00 0.295 182.75 2110.00 0.296 183.20 2111.00 0.297 183.66 2112.00 0.297 184.11 2113.00 0.298 184.56 2114.00 0.299 185.00 2115.00 0.299 185.45 2116.00 0.300 185.89 2117.00 0.301 186.33 2118.00 0.301 186.77 2119.00 0.302 187.21 2120.00 0.303 187.64 2121.00 0.303 188.08 2122.00 0.304 188.51 2123.00 0.304 188.94 2124.00 0.305 189.37 2125.00 0.306 189.79 2126.00 0.306 190.22 2127.00 0.307 190.64 2128.00 0.308 191.06 2129.00 0.308 191.48 2130.00 0.309 191.90 2131.00 0.310 192.31 2132.00 0.310 192.72 2133.00 0.311 193.14 2134.00 0.312 193.55 2135.00 0.312 193.96 2136.00 0.313 194.36 2137.00 0.314 194.77 2138.00 0.314 195.17 2139.00 0.315 195.57 2140.00 0.315 195.97 2141.00 0.316 196.37 2142.00 0.317 196.77 2143.00 0.317 197.17 2144.00 0.318 197.56 2145.00 0.318 197.95 2146.00 0.319 198.34 2147.00 0.320 198.73 2148.00 0.320 199.12 2149.00 0.321 199.51 2150.00 0.321 199.90 2151.00 0.322 200.28 2152.00 0.322 200.66 2153.00 0.323 201.05 2154.00 0.323 201.43 2155.00 0.324 201.81 2156.00 0.325 202.18 2157.00 0.325 202.56 2158.00 0.326 202.94 2159.00 0.326 203.31 2160.00 0.327 203.68 2161.00 0.327 204.06 2162.00 0.327 204.43 2163.00 0.328 204.80 2164.00 0.328 205.17 2165.00 0.329 205.54 2166.00 0.329 205.90 2167.00 0.330 206.27 2168.00 0.330 206.63 2169.00 0.330 207.00 2170.00 0.331 207.36 2171.00 0.331 207.73 2172.00 0.332 208.09 2173.00 0.332 208.45 2174.00 0.332 208.81 2175.00 0.333 209.17 2176.00 0.333 209.53 2177.00 0.333 209.89 2178.00 0.333 210.25 2179.00 0.334 210.60 2180.00 0.334 210.96 2181.00 0.334 211.32 2182.00 0.334 211.67 2183.00 0.334 212.03 2184.00 0.335 212.38 2185.00 0.335 212.74 2186.00 0.335 213.09 2187.00 0.335 213.45 2188.00 0.335 213.80 2189.00 0.335 214.15
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:54:43 |