| WDS: | I390 | WDS ID/Discoverer |
| P: | 600.000 | Orbital period (years) |
| a: | 0.468 | Semi-major axis (arcseconds) |
| i: | 70.4 | Inclination (degrees) |
| Ω: | 266.2 | Longitude of ascending node (degrees) |
| T: | 2069.000 | Epoch of periastron passage (year) |
| e: | 0.6 | Eccentricity |
| ω: | 205.0 | Longitude of periastron (degrees) |
| Start-Year: | 1725.0 | Year |
| End-Year: | 2325.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I390 |
||
| Position: | 052451.04-581008.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 05249-5810 | WDS designation |
| Discoverer Code: | I390 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 35977 | HD catalog number |
| Hipparcos number: | 25313 | Hipparcos catalog number |
| V1: | 9.31 | Magnitude of the primary |
| V2: | 9.49 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2019 | 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: | Tok2020g | 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 0.156 50.78 -------------------------- 1725.00 0.710 271.93 1726.00 0.710 272.00 1727.00 0.709 272.07 1728.00 0.709 272.14 1729.00 0.709 272.21 1730.00 0.709 272.28 1731.00 0.709 272.35 1732.00 0.708 272.42 1733.00 0.708 272.49 1734.00 0.708 272.57 1735.00 0.708 272.64 1736.00 0.707 272.71 1737.00 0.707 272.78 1738.00 0.707 272.85 1739.00 0.706 272.92 1740.00 0.706 272.99 1741.00 0.705 273.06 1742.00 0.705 273.13 1743.00 0.705 273.20 1744.00 0.704 273.27 1745.00 0.704 273.34 1746.00 0.703 273.41 1747.00 0.703 273.49 1748.00 0.702 273.56 1749.00 0.702 273.63 1750.00 0.701 273.70 1751.00 0.700 273.77 1752.00 0.700 273.84 1753.00 0.699 273.92 1754.00 0.699 273.99 1755.00 0.698 274.06 1756.00 0.697 274.13 1757.00 0.697 274.21 1758.00 0.696 274.28 1759.00 0.695 274.35 1760.00 0.694 274.43 1761.00 0.694 274.50 1762.00 0.693 274.57 1763.00 0.692 274.65 1764.00 0.691 274.72 1765.00 0.690 274.79 1766.00 0.690 274.87 1767.00 0.689 274.94 1768.00 0.688 275.02 1769.00 0.687 275.09 1770.00 0.686 275.17 1771.00 0.685 275.24 1772.00 0.684 275.32 1773.00 0.683 275.39 1774.00 0.682 275.47 1775.00 0.681 275.54 1776.00 0.680 275.62 1777.00 0.679 275.70 1778.00 0.678 275.77 1779.00 0.677 275.85 1780.00 0.676 275.93 1781.00 0.675 276.00 1782.00 0.674 276.08 1783.00 0.673 276.16 1784.00 0.671 276.24 1785.00 0.670 276.31 1786.00 0.669 276.39 1787.00 0.668 276.47 1788.00 0.667 276.55 1789.00 0.665 276.63 1790.00 0.664 276.71 1791.00 0.663 276.79 1792.00 0.662 276.87 1793.00 0.660 276.95 1794.00 0.659 277.03 1795.00 0.658 277.11 1796.00 0.656 277.20 1797.00 0.655 277.28 1798.00 0.653 277.36 1799.00 0.652 277.44 1800.00 0.651 277.53 1801.00 0.649 277.61 1802.00 0.648 277.69 1803.00 0.646 277.78 1804.00 0.645 277.86 1805.00 0.643 277.95 1806.00 0.642 278.03 1807.00 0.640 278.12 1808.00 0.639 278.21 1809.00 0.637 278.29 1810.00 0.635 278.38 1811.00 0.634 278.47 1812.00 0.632 278.56 1813.00 0.631 278.64 1814.00 0.629 278.73 1815.00 0.627 278.82 1816.00 0.626 278.91 1817.00 0.624 279.00 1818.00 0.622 279.09 1819.00 0.621 279.18 1820.00 0.619 279.28 1821.00 0.617 279.37 1822.00 0.615 279.46 1823.00 0.613 279.55 1824.00 0.612 279.65 1825.00 0.610 279.74 1826.00 0.608 279.84 1827.00 0.606 279.93 1828.00 0.604 280.03 1829.00 0.602 280.13 1830.00 0.600 280.22 1831.00 0.598 280.32 1832.00 0.597 280.42 1833.00 0.595 280.52 1834.00 0.593 280.62 1835.00 0.591 280.72 1836.00 0.589 280.82 1837.00 0.587 280.93 1838.00 0.585 281.03 1839.00 0.583 281.13 1840.00 0.580 281.24 1841.00 0.578 281.34 1842.00 0.576 281.45 1843.00 0.574 281.55 1844.00 0.572 281.66 1845.00 0.570 281.77 1846.00 0.568 281.88 1847.00 0.566 281.99 1848.00 0.563 282.10 1849.00 0.561 282.21 1850.00 0.559 282.32 1851.00 0.557 282.44 1852.00 0.554 282.55 1853.00 0.552 282.67 1854.00 0.550 282.78 1855.00 0.548 282.90 1856.00 0.545 283.02 1857.00 0.543 283.14 1858.00 0.541 283.26 1859.00 0.538 283.38 1860.00 0.536 283.50 1861.00 0.534 283.62 1862.00 0.531 283.75 1863.00 0.529 283.87 1864.00 0.526 284.00 1865.00 0.524 284.13 1866.00 0.521 284.26 1867.00 0.519 284.39 1868.00 0.516 284.52 1869.00 0.514 284.65 1870.00 0.511 284.79 1871.00 0.509 284.92 1872.00 0.506 285.06 1873.00 0.504 285.20 1874.00 0.501 285.34 1875.00 0.499 285.48 1876.00 0.496 285.62 1877.00 0.493 285.76 1878.00 0.491 285.91 1879.00 0.488 286.06 1880.00 0.485 286.21 1881.00 0.483 286.36 1882.00 0.480 286.51 1883.00 0.477 286.66 1884.00 0.474 286.82 1885.00 0.472 286.98 1886.00 0.469 287.14 1887.00 0.466 287.30 1888.00 0.463 287.46 1889.00 0.461 287.63 1890.00 0.458 287.79 1891.00 0.455 287.96 1892.00 0.452 288.13 1893.00 0.449 288.31 1894.00 0.446 288.48 1895.00 0.443 288.66 1896.00 0.441 288.84 1897.00 0.438 289.02 1898.00 0.435 289.21 1899.00 0.432 289.40 1900.00 0.429 289.59 1901.00 0.426 289.78 1902.00 0.423 289.98 1903.00 0.420 290.18 1904.00 0.417 290.38 1905.00 0.414 290.58 1906.00 0.411 290.79 1907.00 0.408 291.00 1908.00 0.405 291.21 1909.00 0.402 291.43 1910.00 0.399 291.65 1911.00 0.396 291.87 1912.00 0.392 292.10 1913.00 0.389 292.33 1914.00 0.386 292.57 1915.00 0.383 292.80 1916.00 0.380 293.05 1917.00 0.377 293.29 1918.00 0.373 293.54 1919.00 0.370 293.80 1920.00 0.367 294.06 1921.00 0.364 294.32 1922.00 0.361 294.59 1923.00 0.357 294.86 1924.00 0.354 295.14 1925.00 0.351 295.43 1926.00 0.348 295.72 1927.00 0.344 296.01 1928.00 0.341 296.31 1929.00 0.338 296.62 1930.00 0.335 296.93 1931.00 0.331 297.25 1932.00 0.328 297.57 1933.00 0.325 297.90 1934.00 0.321 298.24 1935.00 0.318 298.59 1936.00 0.315 298.94 1937.00 0.311 299.30 1938.00 0.308 299.67 1939.00 0.304 300.04 1940.00 0.301 300.43 1941.00 0.298 300.82 1942.00 0.294 301.23 1943.00 0.291 301.64 1944.00 0.288 302.06 1945.00 0.284 302.49 1946.00 0.281 302.93 1947.00 0.277 303.39 1948.00 0.274 303.85 1949.00 0.271 304.33 1950.00 0.267 304.81 1951.00 0.264 305.31 1952.00 0.260 305.83 1953.00 0.257 306.35 1954.00 0.254 306.90 1955.00 0.250 307.45 1956.00 0.247 308.02 1957.00 0.243 308.61 1958.00 0.240 309.21 1959.00 0.237 309.83 1960.00 0.233 310.47 1961.00 0.230 311.13 1962.00 0.227 311.81 1963.00 0.223 312.50 1964.00 0.220 313.22 1965.00 0.217 313.96 1966.00 0.213 314.72 1967.00 0.210 315.51 1968.00 0.207 316.32 1969.00 0.204 317.15 1970.00 0.201 318.02 1971.00 0.197 318.91 1972.00 0.194 319.83 1973.00 0.191 320.78 1974.00 0.188 321.76 1975.00 0.185 322.77 1976.00 0.182 323.81 1977.00 0.179 324.89 1978.00 0.176 326.01 1979.00 0.174 327.16 1980.00 0.171 328.35 1981.00 0.168 329.58 1982.00 0.165 330.85 1983.00 0.163 332.17 1984.00 0.160 333.52 1985.00 0.158 334.92 1986.00 0.155 336.36 1987.00 0.153 337.84 1988.00 0.151 339.37 1989.00 0.149 340.95 1990.00 0.147 342.56 1991.00 0.145 344.23 1992.00 0.143 345.94 1993.00 0.141 347.69 1994.00 0.139 349.48 1995.00 0.138 351.32 1996.00 0.137 353.19 1997.00 0.135 355.10 1998.00 0.134 357.05 1999.00 0.133 359.02 2000.00 0.132 1.02 2001.00 0.132 3.05 2002.00 0.131 5.10 2003.00 0.131 7.16 2004.00 0.130 9.23 2005.00 0.130 11.31 2006.00 0.130 13.40 2007.00 0.130 15.48 2008.00 0.131 17.55 2009.00 0.131 19.62 2010.00 0.132 21.66 2011.00 0.132 23.69 2012.00 0.133 25.69 2013.00 0.134 27.67 2014.00 0.135 29.62 2015.00 0.136 31.54 2016.00 0.138 33.42 2017.00 0.139 35.26 2018.00 0.141 37.07 2019.00 0.142 38.83 2020.00 0.144 40.56 2021.00 0.146 42.24 2022.00 0.147 43.89 2023.00 0.149 45.49 2024.00 0.151 47.05 2025.00 0.153 48.57 2026.00 0.155 50.05 2027.00 0.157 51.49 2028.00 0.160 52.90 2029.00 0.162 54.27 2030.00 0.164 55.60 2031.00 0.166 56.89 2032.00 0.168 58.16 2033.00 0.170 59.39 2034.00 0.172 60.59 2035.00 0.175 61.76 2036.00 0.177 62.90 2037.00 0.179 64.02 2038.00 0.181 65.11 2039.00 0.183 66.18 2040.00 0.185 67.22 2041.00 0.186 68.25 2042.00 0.188 69.25 2043.00 0.190 70.24 2044.00 0.191 71.21 2045.00 0.193 72.17 2046.00 0.194 73.11 2047.00 0.195 74.04 2048.00 0.196 74.96 2049.00 0.197 75.87 2050.00 0.198 76.78 2051.00 0.199 77.67 2052.00 0.199 78.57 2053.00 0.199 79.46 2054.00 0.199 80.35 2055.00 0.199 81.24 2056.00 0.199 82.13 2057.00 0.198 83.03 2058.00 0.197 83.93 2059.00 0.196 84.84 2060.00 0.195 85.77 2061.00 0.193 86.70 2062.00 0.191 87.66 2063.00 0.189 88.63 2064.00 0.187 89.63 2065.00 0.184 90.65 2066.00 0.182 91.70 2067.00 0.179 92.79 2068.00 0.175 93.92 2069.00 0.172 95.09 2070.00 0.168 96.31 2071.00 0.164 97.59 2072.00 0.160 98.94 2073.00 0.156 100.35 2074.00 0.151 101.85 2075.00 0.146 103.45 2076.00 0.142 105.15 2077.00 0.137 106.96 2078.00 0.132 108.91 2079.00 0.127 111.01 2080.00 0.122 113.29 2081.00 0.117 115.75 2082.00 0.112 118.42 2083.00 0.108 121.33 2084.00 0.103 124.51 2085.00 0.099 127.97 2086.00 0.095 131.73 2087.00 0.091 135.82 2088.00 0.088 140.24 2089.00 0.085 144.98 2090.00 0.083 150.03 2091.00 0.081 155.32 2092.00 0.080 160.81 2093.00 0.079 166.41 2094.00 0.079 172.01 2095.00 0.080 177.53 2096.00 0.082 182.88 2097.00 0.084 187.99 2098.00 0.087 192.80 2099.00 0.090 197.29 2100.00 0.094 201.44 2101.00 0.098 205.25 2102.00 0.103 208.75 2103.00 0.108 211.94 2104.00 0.113 214.85 2105.00 0.118 217.51 2106.00 0.123 219.95 2107.00 0.129 222.17 2108.00 0.134 224.21 2109.00 0.140 226.09 2110.00 0.146 227.81 2111.00 0.152 229.41 2112.00 0.158 230.88 2113.00 0.164 232.25 2114.00 0.170 233.52 2115.00 0.175 234.71 2116.00 0.181 235.81 2117.00 0.187 236.85 2118.00 0.193 237.82 2119.00 0.199 238.74 2120.00 0.205 239.60 2121.00 0.211 240.41 2122.00 0.217 241.18 2123.00 0.223 241.91 2124.00 0.229 242.60 2125.00 0.235 243.26 2126.00 0.240 243.88 2127.00 0.246 244.48 2128.00 0.252 245.05 2129.00 0.258 245.59 2130.00 0.263 246.11 2131.00 0.269 246.61 2132.00 0.274 247.09 2133.00 0.280 247.55 2134.00 0.285 247.99 2135.00 0.291 248.42 2136.00 0.296 248.83 2137.00 0.301 249.22 2138.00 0.307 249.60 2139.00 0.312 249.97 2140.00 0.317 250.33 2141.00 0.322 250.67 2142.00 0.327 251.01 2143.00 0.332 251.33 2144.00 0.337 251.65 2145.00 0.342 251.95 2146.00 0.347 252.25 2147.00 0.352 252.54 2148.00 0.357 252.82 2149.00 0.362 253.09 2150.00 0.367 253.35 2151.00 0.371 253.61 2152.00 0.376 253.87 2153.00 0.381 254.11 2154.00 0.385 254.35 2155.00 0.390 254.59 2156.00 0.394 254.82 2157.00 0.399 255.04 2158.00 0.403 255.26 2159.00 0.408 255.47 2160.00 0.412 255.68 2161.00 0.416 255.89 2162.00 0.421 256.09 2163.00 0.425 256.29 2164.00 0.429 256.48 2165.00 0.433 256.67 2166.00 0.437 256.86 2167.00 0.441 257.04 2168.00 0.445 257.22 2169.00 0.449 257.40 2170.00 0.453 257.57 2171.00 0.457 257.74 2172.00 0.461 257.91 2173.00 0.465 258.07 2174.00 0.469 258.23 2175.00 0.472 258.39 2176.00 0.476 258.55 2177.00 0.480 258.71 2178.00 0.483 258.86 2179.00 0.487 259.01 2180.00 0.490 259.16 2181.00 0.494 259.30 2182.00 0.497 259.44 2183.00 0.501 259.59 2184.00 0.504 259.73 2185.00 0.508 259.86 2186.00 0.511 260.00 2187.00 0.514 260.13 2188.00 0.518 260.27 2189.00 0.521 260.40 2190.00 0.524 260.53 2191.00 0.527 260.65 2192.00 0.530 260.78 2193.00 0.534 260.90 2194.00 0.537 261.03 2195.00 0.540 261.15 2196.00 0.543 261.27 2197.00 0.546 261.39 2198.00 0.549 261.51 2199.00 0.552 261.62 2200.00 0.554 261.74 2201.00 0.557 261.85 2202.00 0.560 261.97 2203.00 0.563 262.08 2204.00 0.566 262.19 2205.00 0.568 262.30 2206.00 0.571 262.41 2207.00 0.574 262.51 2208.00 0.576 262.62 2209.00 0.579 262.73 2210.00 0.581 262.83 2211.00 0.584 262.93 2212.00 0.587 263.04 2213.00 0.589 263.14 2214.00 0.591 263.24 2215.00 0.594 263.34 2216.00 0.596 263.44 2217.00 0.599 263.54 2218.00 0.601 263.64 2219.00 0.603 263.74 2220.00 0.606 263.83 2221.00 0.608 263.93 2222.00 0.610 264.02 2223.00 0.612 264.12 2224.00 0.614 264.21 2225.00 0.617 264.30 2226.00 0.619 264.40 2227.00 0.621 264.49 2228.00 0.623 264.58 2229.00 0.625 264.67 2230.00 0.627 264.76 2231.00 0.629 264.85 2232.00 0.631 264.94 2233.00 0.633 265.03 2234.00 0.635 265.11 2235.00 0.636 265.20 2236.00 0.638 265.29 2237.00 0.640 265.38 2238.00 0.642 265.46 2239.00 0.644 265.55 2240.00 0.645 265.63 2241.00 0.647 265.72 2242.00 0.649 265.80 2243.00 0.650 265.88 2244.00 0.652 265.97 2245.00 0.654 266.05 2246.00 0.655 266.13 2247.00 0.657 266.21 2248.00 0.658 266.30 2249.00 0.660 266.38 2250.00 0.661 266.46 2251.00 0.663 266.54 2252.00 0.664 266.62 2253.00 0.666 266.70 2254.00 0.667 266.78 2255.00 0.668 266.86 2256.00 0.670 266.93 2257.00 0.671 267.01 2258.00 0.672 267.09 2259.00 0.674 267.17 2260.00 0.675 267.25 2261.00 0.676 267.32 2262.00 0.677 267.40 2263.00 0.678 267.48 2264.00 0.680 267.55 2265.00 0.681 267.63 2266.00 0.682 267.71 2267.00 0.683 267.78 2268.00 0.684 267.86 2269.00 0.685 267.93 2270.00 0.686 268.01 2271.00 0.687 268.08 2272.00 0.688 268.16 2273.00 0.689 268.23 2274.00 0.690 268.31 2275.00 0.691 268.38 2276.00 0.692 268.45 2277.00 0.693 268.53 2278.00 0.693 268.60 2279.00 0.694 268.67 2280.00 0.695 268.75 2281.00 0.696 268.82 2282.00 0.697 268.89 2283.00 0.697 268.97 2284.00 0.698 269.04 2285.00 0.699 269.11 2286.00 0.699 269.18 2287.00 0.700 269.25 2288.00 0.701 269.33 2289.00 0.701 269.40 2290.00 0.702 269.47 2291.00 0.702 269.54 2292.00 0.703 269.61 2293.00 0.704 269.68 2294.00 0.704 269.76 2295.00 0.705 269.83 2296.00 0.705 269.90 2297.00 0.705 269.97 2298.00 0.706 270.04 2299.00 0.706 270.11 2300.00 0.707 270.18 2301.00 0.707 270.25 2302.00 0.707 270.32 2303.00 0.708 270.39 2304.00 0.708 270.46 2305.00 0.708 270.53 2306.00 0.708 270.60 2307.00 0.709 270.67 2308.00 0.709 270.74 2309.00 0.709 270.81 2310.00 0.709 270.88 2311.00 0.709 270.95 2312.00 0.710 271.02 2313.00 0.710 271.09 2314.00 0.710 271.16 2315.00 0.710 271.23 2316.00 0.710 271.30 2317.00 0.710 271.37 2318.00 0.710 271.44 2319.00 0.710 271.51 2320.00 0.710 271.58 2321.00 0.710 271.65 2322.00 0.710 271.72 2323.00 0.710 271.79 2324.00 0.710 271.86
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:36:54 |