Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:25:04

Orbital Elements for I49
WDS: I49 WDS ID/Discoverer
P: 500.000 Orbital period (years)
a: 0.71 Semi-major axis (arcseconds)
i: 100.7 Inclination (degrees)
Ω: 31.9 Longitude of ascending node (degrees)
T: 2005.800 Epoch of periastron passage (year)
e: 0.836 Eccentricity
ω: 118.3 Longitude of periastron (degrees)
Start-Year: 1775.0 Year
End-Year: 2275.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I49
Position: 010040.06-523458.0 Epoch-2000 right ascension and declination
WDS-ID: 01007-5235 WDS designation
Discoverer Code: I49 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 7.99 Magnitude of the primary
V2: 8.41 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I49



WDS 6th Orbit including measures of I49

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of I49
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.203    197.4
-------------------------
1775.0     0.692     49.4
1776.0     0.694     49.3
1777.0     0.696     49.2
1778.0     0.697     49.1
1779.0     0.699     49.1
1780.0     0.701     49.0
1781.0     0.703     48.9
1782.0     0.704     48.8
1783.0     0.706     48.8
1784.0     0.708     48.7
1785.0     0.710     48.6
1786.0     0.711     48.5
1787.0     0.713     48.5
1788.0     0.714     48.4
1789.0     0.716     48.3
1790.0     0.718     48.2
1791.0     0.719     48.2
1792.0     0.721     48.1
1793.0     0.722     48.0
1794.0     0.724     48.0
1795.0     0.725     47.9
1796.0     0.727     47.8
1797.0     0.728     47.7
1798.0     0.730     47.7
1799.0     0.731     47.6
1800.0     0.733     47.5
1801.0     0.734     47.5
1802.0     0.735     47.4
1803.0     0.737     47.3
1804.0     0.738     47.3
1805.0     0.739     47.2
1806.0     0.741     47.1
1807.0     0.742     47.1
1808.0     0.743     47.0
1809.0     0.744     46.9
1810.0     0.746     46.9
1811.0     0.747     46.8
1812.0     0.748     46.7
1813.0     0.749     46.7
1814.0     0.750     46.6
1815.0     0.751     46.5
1816.0     0.752     46.5
1817.0     0.753     46.4
1818.0     0.754     46.3
1819.0     0.756     46.3
1820.0     0.757     46.2
1821.0     0.758     46.1
1822.0     0.758     46.1
1823.0     0.759     46.0
1824.0     0.760     45.9
1825.0     0.761     45.9
1826.0     0.762     45.8
1827.0     0.763     45.8
1828.0     0.764     45.7
1829.0     0.765     45.6
1830.0     0.765     45.6
1831.0     0.766     45.5
1832.0     0.767     45.4
1833.0     0.768     45.4
1834.0     0.768     45.3
1835.0     0.769     45.3
1836.0     0.770     45.2
1837.0     0.770     45.1
1838.0     0.771     45.1
1839.0     0.771     45.0
1840.0     0.772     44.9
1841.0     0.773     44.9
1842.0     0.773     44.8
1843.0     0.774     44.8
1844.0     0.774     44.7
1845.0     0.774     44.6
1846.0     0.775     44.6
1847.0     0.775     44.5
1848.0     0.776     44.4
1849.0     0.776     44.4
1850.0     0.776     44.3
1851.0     0.777     44.3
1852.0     0.777     44.2
1853.0     0.777     44.1
1854.0     0.777     44.1
1855.0     0.777     44.0
1856.0     0.778     44.0
1857.0     0.778     43.9
1858.0     0.778     43.8
1859.0     0.778     43.8
1860.0     0.778     43.7
1861.0     0.778     43.7
1862.0     0.778     43.6
1863.0     0.778     43.5
1864.0     0.778     43.5
1865.0     0.778     43.4
1866.0     0.777     43.3
1867.0     0.777     43.3
1868.0     0.777     43.2
1869.0     0.777     43.2
1870.0     0.777     43.1
1871.0     0.776     43.0
1872.0     0.776     43.0
1873.0     0.776     42.9
1874.0     0.775     42.9
1875.0     0.775     42.8
1876.0     0.774     42.7
1877.0     0.774     42.7
1878.0     0.773     42.6
1879.0     0.773     42.5
1880.0     0.772     42.5
1881.0     0.772     42.4
1882.0     0.771     42.4
1883.0     0.770     42.3
1884.0     0.770     42.2
1885.0     0.769     42.2
1886.0     0.768     42.1
1887.0     0.767     42.0
1888.0     0.766     42.0
1889.0     0.765     41.9
1890.0     0.765     41.9
1891.0     0.764     41.8
1892.0     0.763     41.7
1893.0     0.762     41.7
1894.0     0.760     41.6
1895.0     0.759     41.5
1896.0     0.758     41.5
1897.0     0.757     41.4
1898.0     0.756     41.3
1899.0     0.754     41.3
1900.0     0.753     41.2
1901.0     0.752     41.2
1902.0     0.750     41.1
1903.0     0.749     41.0
1904.0     0.747     41.0
1905.0     0.746     40.9
1906.0     0.744     40.8
1907.0     0.742     40.8
1908.0     0.741     40.7
1909.0     0.739     40.6
1910.0     0.737     40.6
1911.0     0.735     40.5
1912.0     0.734     40.4
1913.0     0.732     40.3
1914.0     0.730     40.3
1915.0     0.728     40.2
1916.0     0.725     40.1
1917.0     0.723     40.1
1918.0     0.721     40.0
1919.0     0.719     39.9
1920.0     0.717     39.9
1921.0     0.714     39.8
1922.0     0.712     39.7
1923.0     0.709     39.6
1924.0     0.707     39.6
1925.0     0.704     39.5
1926.0     0.701     39.4
1927.0     0.699     39.3
1928.0     0.696     39.3
1929.0     0.693     39.2
1930.0     0.690     39.1
1931.0     0.687     39.0
1932.0     0.684     39.0
1933.0     0.681     38.9
1934.0     0.678     38.8
1935.0     0.675     38.7
1936.0     0.671     38.6
1937.0     0.668     38.5
1938.0     0.664     38.5
1939.0     0.661     38.4
1940.0     0.657     38.3
1941.0     0.653     38.2
1942.0     0.649     38.1
1943.0     0.646     38.0
1944.0     0.642     37.9
1945.0     0.637     37.9
1946.0     0.633     37.8
1947.0     0.629     37.7
1948.0     0.625     37.6
1949.0     0.620     37.5
1950.0     0.616     37.4
1951.0     0.611     37.3
1952.0     0.606     37.2
1953.0     0.601     37.1
1954.0     0.596     37.0
1955.0     0.591     36.9
1956.0     0.586     36.8
1957.0     0.580     36.7
1958.0     0.575     36.5
1959.0     0.569     36.4
1960.0     0.564     36.3
1961.0     0.558     36.2
1962.0     0.552     36.1
1963.0     0.545     36.0
1964.0     0.539     35.8
1965.0     0.533     35.7
1966.0     0.526     35.6
1967.0     0.519     35.4
1968.0     0.512     35.3
1969.0     0.505     35.2
1970.0     0.498     35.0
1971.0     0.490     34.9
1972.0     0.482     34.7
1973.0     0.474     34.5
1974.0     0.466     34.4
1975.0     0.457     34.2
1976.0     0.449     34.0
1977.0     0.440     33.8
1978.0     0.430     33.6
1979.0     0.421     33.4
1980.0     0.411     33.2
1981.0     0.401     33.0
1982.0     0.390     32.8
1983.0     0.380     32.5
1984.0     0.368     32.2
1985.0     0.357     32.0
1986.0     0.345     31.7
1987.0     0.332     31.3
1988.0     0.319     31.0
1989.0     0.305     30.6
1990.0     0.291     30.2
1991.0     0.276     29.7
1992.0     0.261     29.2
1993.0     0.245     28.6
1994.0     0.228     28.0
1995.0     0.210     27.2
1996.0     0.191     26.3
1997.0     0.171     25.1
1998.0     0.150     23.7
1999.0     0.128     21.8
2000.0     0.105     19.0
2001.0     0.080     14.6
2002.0     0.056      6.3
2003.0     0.033    345.5
2004.0     0.023    287.8
2005.0     0.040    243.8
2006.0     0.063    228.9
2007.0     0.086    222.2
2008.0     0.108    218.2
2009.0     0.126    215.5
2010.0     0.141    213.4
2011.0     0.154    211.7
2012.0     0.165    210.3
2013.0     0.174    209.0
2014.0     0.181    207.8
2015.0     0.187    206.7
2016.0     0.191    205.7
2017.0     0.195    204.7
2018.0     0.198    203.7
2019.0     0.200    202.8
2020.0     0.202    201.9
2021.0     0.203    201.0
2022.0     0.203    200.1
2023.0     0.204    199.2
2024.0     0.204    198.3
2025.0     0.203    197.4
2026.0     0.203    196.5
2027.0     0.202    195.6
2028.0     0.201    194.7
2029.0     0.200    193.8
2030.0     0.199    192.9
2031.0     0.197    191.9
2032.0     0.196    191.0
2033.0     0.194    190.0
2034.0     0.192    189.0
2035.0     0.191    188.0
2036.0     0.189    187.0
2037.0     0.187    185.9
2038.0     0.185    184.8
2039.0     0.183    183.7
2040.0     0.181    182.6
2041.0     0.179    181.5
2042.0     0.177    180.3
2043.0     0.175    179.1
2044.0     0.173    177.9
2045.0     0.171    176.7
2046.0     0.169    175.4
2047.0     0.167    174.1
2048.0     0.165    172.7
2049.0     0.164    171.4
2050.0     0.162    170.0
2051.0     0.160    168.5
2052.0     0.159    167.1
2053.0     0.157    165.6
2054.0     0.155    164.1
2055.0     0.154    162.5
2056.0     0.153    161.0
2057.0     0.151    159.4
2058.0     0.150    157.7
2059.0     0.149    156.1
2060.0     0.148    154.4
2061.0     0.147    152.7
2062.0     0.146    151.0
2063.0     0.146    149.3
2064.0     0.145    147.5
2065.0     0.145    145.8
2066.0     0.144    144.0
2067.0     0.144    142.2
2068.0     0.144    140.4
2069.0     0.144    138.7
2070.0     0.144    136.9
2071.0     0.145    135.1
2072.0     0.145    133.3
2073.0     0.145    131.6
2074.0     0.146    129.8
2075.0     0.147    128.1
2076.0     0.148    126.4
2077.0     0.149    124.7
2078.0     0.150    123.1
2079.0     0.151    121.4
2080.0     0.152    119.8
2081.0     0.153    118.2
2082.0     0.155    116.7
2083.0     0.156    115.1
2084.0     0.158    113.6
2085.0     0.160    112.2
2086.0     0.162    110.7
2087.0     0.164    109.3
2088.0     0.166    108.0
2089.0     0.168    106.7
2090.0     0.170    105.4
2091.0     0.172    104.1
2092.0     0.175    102.9
2093.0     0.177    101.7
2094.0     0.179    100.5
2095.0     0.182     99.4
2096.0     0.184     98.3
2097.0     0.187     97.2
2098.0     0.190     96.1
2099.0     0.192     95.1
2100.0     0.195     94.1
2101.0     0.198     93.2
2102.0     0.201     92.3
2103.0     0.204     91.4
2104.0     0.206     90.5
2105.0     0.209     89.6
2106.0     0.212     88.8
2107.0     0.215     88.0
2108.0     0.218     87.2
2109.0     0.221     86.4
2110.0     0.224     85.7
2111.0     0.228     85.0
2112.0     0.231     84.3
2113.0     0.234     83.6
2114.0     0.237     82.9
2115.0     0.240     82.2
2116.0     0.243     81.6
2117.0     0.247     81.0
2118.0     0.250     80.4
2119.0     0.253     79.8
2120.0     0.256     79.2
2121.0     0.259     78.7
2122.0     0.263     78.1
2123.0     0.266     77.6
2124.0     0.269     77.1
2125.0     0.273     76.6
2126.0     0.276     76.1
2127.0     0.279     75.6
2128.0     0.283     75.2
2129.0     0.286     74.7
2130.0     0.289     74.2
2131.0     0.293     73.8
2132.0     0.296     73.4
2133.0     0.299     73.0
2134.0     0.303     72.6
2135.0     0.306     72.2
2136.0     0.309     71.8
2137.0     0.313     71.4
2138.0     0.316     71.0
2139.0     0.319     70.6
2140.0     0.323     70.3
2141.0     0.326     69.9
2142.0     0.329     69.6
2143.0     0.333     69.3
2144.0     0.336     68.9
2145.0     0.339     68.6
2146.0     0.343     68.3
2147.0     0.346     68.0
2148.0     0.349     67.7
2149.0     0.353     67.4
2150.0     0.356     67.1
2151.0     0.359     66.8
2152.0     0.363     66.5
2153.0     0.366     66.2
2154.0     0.369     65.9
2155.0     0.372     65.7
2156.0     0.376     65.4
2157.0     0.379     65.1
2158.0     0.382     64.9
2159.0     0.386     64.6
2160.0     0.389     64.4
2161.0     0.392     64.2
2162.0     0.395     63.9
2163.0     0.399     63.7
2164.0     0.402     63.4
2165.0     0.405     63.2
2166.0     0.408     63.0
2167.0     0.411     62.8
2168.0     0.415     62.6
2169.0     0.418     62.3
2170.0     0.421     62.1
2171.0     0.424     61.9
2172.0     0.427     61.7
2173.0     0.431     61.5
2174.0     0.434     61.3
2175.0     0.437     61.1
2176.0     0.440     60.9
2177.0     0.443     60.8
2178.0     0.446     60.6
2179.0     0.449     60.4
2180.0     0.453     60.2
2181.0     0.456     60.0
2182.0     0.459     59.8
2183.0     0.462     59.7
2184.0     0.465     59.5
2185.0     0.468     59.3
2186.0     0.471     59.2
2187.0     0.474     59.0
2188.0     0.477     58.8
2189.0     0.480     58.7
2190.0     0.483     58.5
2191.0     0.486     58.3
2192.0     0.489     58.2
2193.0     0.492     58.0
2194.0     0.495     57.9
2195.0     0.498     57.7
2196.0     0.501     57.6
2197.0     0.504     57.4
2198.0     0.507     57.3
2199.0     0.510     57.2
2200.0     0.512     57.0
2201.0     0.515     56.9
2202.0     0.518     56.7
2203.0     0.521     56.6
2204.0     0.524     56.5
2205.0     0.527     56.3
2206.0     0.530     56.2
2207.0     0.532     56.1
2208.0     0.535     55.9
2209.0     0.538     55.8
2210.0     0.541     55.7
2211.0     0.543     55.6
2212.0     0.546     55.4
2213.0     0.549     55.3
2214.0     0.552     55.2
2215.0     0.554     55.1
2216.0     0.557     54.9
2217.0     0.560     54.8
2218.0     0.562     54.7
2219.0     0.565     54.6
2220.0     0.568     54.5
2221.0     0.570     54.4
2222.0     0.573     54.2
2223.0     0.576     54.1
2224.0     0.578     54.0
2225.0     0.581     53.9
2226.0     0.583     53.8
2227.0     0.586     53.7
2228.0     0.589     53.6
2229.0     0.591     53.5
2230.0     0.594     53.4
2231.0     0.596     53.3
2232.0     0.599     53.2
2233.0     0.601     53.1
2234.0     0.603     53.0
2235.0     0.606     52.9
2236.0     0.608     52.8
2237.0     0.611     52.7
2238.0     0.613     52.6
2239.0     0.616     52.5
2240.0     0.618     52.4
2241.0     0.620     52.3
2242.0     0.623     52.2
2243.0     0.625     52.1
2244.0     0.627     52.0
2245.0     0.630     51.9
2246.0     0.632     51.8
2247.0     0.634     51.7
2248.0     0.637     51.6
2249.0     0.639     51.5
2250.0     0.641     51.4
2251.0     0.643     51.3
2252.0     0.645     51.3
2253.0     0.648     51.2
2254.0     0.650     51.1
2255.0     0.652     51.0
2256.0     0.654     50.9
2257.0     0.656     50.8
2258.0     0.658     50.7
2259.0     0.660     50.7
2260.0     0.663     50.6
2261.0     0.665     50.5
2262.0     0.667     50.4
2263.0     0.669     50.3
2264.0     0.671     50.2
2265.0     0.673     50.2
2266.0     0.675     50.1
2267.0     0.677     50.0
2268.0     0.679     49.9
2269.0     0.681     49.8
2270.0     0.683     49.7
2271.0     0.684     49.7
2272.0     0.686     49.6
2273.0     0.688     49.5
2274.0     0.690     49.4






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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