| WDS: | I407 | WDS ID/Discoverer |
| P: | 292.320 | Orbital period (years) |
| a: | 0.574 | Semi-major axis (arcseconds) |
| i: | 101.4 | Inclination (degrees) |
| Ω: | 180.7 | Longitude of ascending node (degrees) |
| T: | 1979.860 | Epoch of periastron passage (year) |
| e: | 0.772 | Eccentricity |
| ω: | 135.6 | Longitude of periastron (degrees) |
| Start-Year: | 1878.84 | Year |
| End-Year: | 2171.16 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for I407 |
||
| Position: | 170805.63-413652.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17081-4137 | WDS designation |
| Discoverer Code: | I407 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 154569 | HD catalog number |
| Hipparcos number: | 83845 | Hipparcos catalog number |
| V1: | 8.28 | Magnitude of the primary |
| V2: | 7.50 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | 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: | Zir2013d | 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 0.191 222.22 -------------------------- 1878.84 0.806 187.91 1879.84 0.806 187.83 1880.84 0.806 187.75 1881.84 0.805 187.67 1882.84 0.805 187.60 1883.84 0.804 187.52 1884.84 0.804 187.44 1885.84 0.803 187.36 1886.84 0.802 187.28 1887.84 0.801 187.20 1888.84 0.800 187.12 1889.84 0.799 187.04 1890.84 0.798 186.96 1891.84 0.797 186.88 1892.84 0.795 186.80 1893.84 0.794 186.72 1894.84 0.793 186.64 1895.84 0.791 186.56 1896.84 0.789 186.48 1897.84 0.787 186.39 1898.84 0.785 186.31 1899.84 0.783 186.23 1900.84 0.781 186.15 1901.84 0.779 186.06 1902.84 0.777 185.98 1903.84 0.774 185.89 1904.84 0.772 185.81 1905.84 0.769 185.72 1906.84 0.766 185.63 1907.84 0.764 185.55 1908.84 0.761 185.46 1909.84 0.757 185.37 1910.84 0.754 185.28 1911.84 0.751 185.19 1912.84 0.747 185.10 1913.84 0.744 185.01 1914.84 0.740 184.92 1915.84 0.736 184.82 1916.84 0.732 184.73 1917.84 0.728 184.63 1918.84 0.724 184.54 1919.84 0.719 184.44 1920.84 0.715 184.34 1921.84 0.710 184.24 1922.84 0.705 184.14 1923.84 0.700 184.03 1924.84 0.695 183.93 1925.84 0.690 183.82 1926.84 0.684 183.71 1927.84 0.679 183.61 1928.84 0.673 183.49 1929.84 0.667 183.38 1930.84 0.661 183.26 1931.84 0.654 183.15 1932.84 0.648 183.03 1933.84 0.641 182.90 1934.84 0.634 182.78 1935.84 0.627 182.65 1936.84 0.620 182.52 1937.84 0.612 182.38 1938.84 0.604 182.25 1939.84 0.596 182.10 1940.84 0.588 181.96 1941.84 0.579 181.81 1942.84 0.571 181.66 1943.84 0.562 181.50 1944.84 0.552 181.33 1945.84 0.543 181.16 1946.84 0.533 180.99 1947.84 0.523 180.80 1948.84 0.512 180.61 1949.84 0.502 180.41 1950.84 0.490 180.21 1951.84 0.479 179.99 1952.84 0.467 179.76 1953.84 0.455 179.52 1954.84 0.442 179.27 1955.84 0.429 179.00 1956.84 0.416 178.71 1957.84 0.401 178.41 1958.84 0.387 178.08 1959.84 0.372 177.73 1960.84 0.356 177.34 1961.84 0.340 176.92 1962.84 0.323 176.46 1963.84 0.306 175.94 1964.84 0.288 175.36 1965.84 0.269 174.70 1966.84 0.249 173.94 1967.84 0.228 173.05 1968.84 0.207 171.97 1969.84 0.184 170.63 1970.84 0.161 168.91 1971.84 0.136 166.59 1972.84 0.111 163.23 1973.84 0.085 157.84 1974.84 0.059 147.74 1975.84 0.037 124.07 1976.84 0.031 72.76 1977.84 0.047 34.70 1978.84 0.071 19.32 1979.84 0.095 11.77 1980.84 0.116 7.15 1981.84 0.133 3.87 1982.84 0.147 1.28 1983.84 0.156 359.07 1984.84 0.163 357.07 1985.84 0.166 355.19 1986.84 0.168 353.37 1987.84 0.168 351.56 1988.84 0.166 349.73 1989.84 0.163 347.85 1990.84 0.160 345.90 1991.84 0.156 343.86 1992.84 0.151 341.71 1993.84 0.147 339.41 1994.84 0.142 336.96 1995.84 0.136 334.32 1996.84 0.131 331.47 1997.84 0.126 328.39 1998.84 0.121 325.06 1999.84 0.116 321.44 2000.84 0.112 317.53 2001.84 0.108 313.32 2002.84 0.105 308.80 2003.84 0.102 303.99 2004.84 0.099 298.93 2005.84 0.098 293.67 2006.84 0.097 288.28 2007.84 0.097 282.83 2008.84 0.098 277.43 2009.84 0.099 272.15 2010.84 0.101 267.07 2011.84 0.104 262.25 2012.84 0.108 257.72 2013.84 0.112 253.50 2014.84 0.117 249.61 2015.84 0.122 246.02 2016.84 0.127 242.74 2017.84 0.133 239.73 2018.84 0.139 236.98 2019.84 0.146 234.47 2020.84 0.152 232.16 2021.84 0.159 230.05 2022.84 0.166 228.11 2023.84 0.173 226.33 2024.84 0.180 224.68 2025.84 0.187 223.16 2026.84 0.194 221.75 2027.84 0.201 220.44 2028.84 0.208 219.22 2029.84 0.216 218.09 2030.84 0.223 217.03 2031.84 0.230 216.04 2032.84 0.238 215.10 2033.84 0.245 214.23 2034.84 0.252 213.40 2035.84 0.260 212.62 2036.84 0.267 211.89 2037.84 0.274 211.19 2038.84 0.281 210.53 2039.84 0.289 209.90 2040.84 0.296 209.31 2041.84 0.303 208.74 2042.84 0.310 208.19 2043.84 0.317 207.68 2044.84 0.324 207.18 2045.84 0.331 206.71 2046.84 0.339 206.25 2047.84 0.346 205.82 2048.84 0.352 205.40 2049.84 0.359 205.00 2050.84 0.366 204.61 2051.84 0.373 204.24 2052.84 0.380 203.88 2053.84 0.387 203.53 2054.84 0.393 203.19 2055.84 0.400 202.87 2056.84 0.407 202.56 2057.84 0.413 202.25 2058.84 0.420 201.96 2059.84 0.426 201.67 2060.84 0.433 201.40 2061.84 0.439 201.13 2062.84 0.445 200.87 2063.84 0.451 200.61 2064.84 0.458 200.37 2065.84 0.464 200.13 2066.84 0.470 199.89 2067.84 0.476 199.67 2068.84 0.482 199.44 2069.84 0.488 199.23 2070.84 0.494 199.02 2071.84 0.500 198.81 2072.84 0.506 198.61 2073.84 0.512 198.41 2074.84 0.517 198.22 2075.84 0.523 198.03 2076.84 0.529 197.84 2077.84 0.534 197.66 2078.84 0.540 197.49 2079.84 0.545 197.31 2080.84 0.551 197.14 2081.84 0.556 196.98 2082.84 0.561 196.82 2083.84 0.567 196.65 2084.84 0.572 196.50 2085.84 0.577 196.34 2086.84 0.582 196.19 2087.84 0.587 196.04 2088.84 0.592 195.90 2089.84 0.597 195.75 2090.84 0.602 195.61 2091.84 0.607 195.47 2092.84 0.612 195.33 2093.84 0.617 195.20 2094.84 0.621 195.07 2095.84 0.626 194.93 2096.84 0.631 194.80 2097.84 0.635 194.68 2098.84 0.640 194.55 2099.84 0.644 194.43 2100.84 0.648 194.31 2101.84 0.653 194.19 2102.84 0.657 194.07 2103.84 0.661 193.95 2104.84 0.665 193.83 2105.84 0.669 193.72 2106.84 0.674 193.61 2107.84 0.677 193.49 2108.84 0.681 193.38 2109.84 0.685 193.28 2110.84 0.689 193.17 2111.84 0.693 193.06 2112.84 0.697 192.95 2113.84 0.700 192.85 2114.84 0.704 192.75 2115.84 0.707 192.64 2116.84 0.711 192.54 2117.84 0.714 192.44 2118.84 0.718 192.34 2119.84 0.721 192.24 2120.84 0.724 192.15 2121.84 0.727 192.05 2122.84 0.731 191.95 2123.84 0.734 191.86 2124.84 0.737 191.77 2125.84 0.740 191.67 2126.84 0.743 191.58 2127.84 0.745 191.49 2128.84 0.748 191.40 2129.84 0.751 191.30 2130.84 0.754 191.21 2131.84 0.756 191.12 2132.84 0.759 191.04 2133.84 0.761 190.95 2134.84 0.764 190.86 2135.84 0.766 190.77 2136.84 0.768 190.69 2137.84 0.770 190.60 2138.84 0.773 190.51 2139.84 0.775 190.43 2140.84 0.777 190.34 2141.84 0.779 190.26 2142.84 0.781 190.18 2143.84 0.783 190.09 2144.84 0.784 190.01 2145.84 0.786 189.93 2146.84 0.788 189.85 2147.84 0.789 189.76 2148.84 0.791 189.68 2149.84 0.792 189.60 2150.84 0.794 189.52 2151.84 0.795 189.44 2152.84 0.796 189.36 2153.84 0.797 189.28 2154.84 0.798 189.20 2155.84 0.799 189.12 2156.84 0.800 189.04 2157.84 0.801 188.96 2158.84 0.802 188.88 2159.84 0.803 188.80 2160.84 0.804 188.72 2161.84 0.804 188.64 2162.84 0.805 188.56 2163.84 0.805 188.48 2164.84 0.805 188.41 2165.84 0.806 188.33 2166.84 0.806 188.25 2167.84 0.806 188.17 2168.84 0.806 188.09 2169.84 0.806 188.01 2170.84 0.806 187.93
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:34:03 |