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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:09:10

Orbital Elements for I658
WDS: I658 WDS ID/Discoverer
P: 416.800 Orbital period (years)
a: 1.098 Semi-major axis (arcseconds)
i: 134.0 Inclination (degrees)
Ω: 98.7 Longitude of ascending node (degrees)
T: 1895.400 Epoch of periastron passage (year)
e: 0.474 Eccentricity
ω: 169.8 Longitude of periastron (degrees)
Start-Year: 1817.0 Year
End-Year: 2233.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I658
Position: 194937.33-552527.5 Epoch-2000 right ascension and declination
WDS-ID: 19496-5525 WDS designation
Discoverer Code: I658 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 186836 HD catalog number
Hipparcos number: 97548 Hipparcos catalog number
V1: 9.16 Magnitude of the primary
V2: 10.06 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I658



WDS 6th Orbit including measures of I658

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


Ephemeris of I658
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.283    128.9
-------------------------
1817.0     0.968     61.7
1818.0     0.958     61.0
1819.0     0.947     60.3
1820.0     0.936     59.5
1821.0     0.925     58.8
1822.0     0.914     58.1
1823.0     0.904     57.3
1824.0     0.893     56.5
1825.0     0.882     55.7
1826.0     0.871     54.9
1827.0     0.859     54.0
1828.0     0.848     53.1
1829.0     0.837     52.2
1830.0     0.826     51.3
1831.0     0.815     50.4
1832.0     0.804     49.4
1833.0     0.793     48.4
1834.0     0.782     47.4
1835.0     0.771     46.3
1836.0     0.760     45.2
1837.0     0.749     44.1
1838.0     0.738     43.0
1839.0     0.727     41.8
1840.0     0.716     40.5
1841.0     0.706     39.3
1842.0     0.695     38.0
1843.0     0.685     36.6
1844.0     0.674     35.3
1845.0     0.664     33.8
1846.0     0.654     32.4
1847.0     0.644     30.9
1848.0     0.635     29.3
1849.0     0.625     27.7
1850.0     0.616     26.1
1851.0     0.607     24.3
1852.0     0.598     22.6
1853.0     0.590     20.8
1854.0     0.582     18.9
1855.0     0.574     17.0
1856.0     0.566     15.1
1857.0     0.559     13.0
1858.0     0.552     11.0
1859.0     0.546      8.9
1860.0     0.540      6.7
1861.0     0.535      4.5
1862.0     0.530      2.3
1863.0     0.525    360.0
1864.0     0.521    357.6
1865.0     0.517    355.3
1866.0     0.514    352.9
1867.0     0.512    350.5
1868.0     0.510    348.0
1869.0     0.508    345.6
1870.0     0.507    343.1
1871.0     0.507    340.6
1872.0     0.506    338.1
1873.0     0.507    335.6
1874.0     0.508    333.2
1875.0     0.509    330.7
1876.0     0.510    328.2
1877.0     0.512    325.8
1878.0     0.515    323.4
1879.0     0.517    321.0
1880.0     0.520    318.6
1881.0     0.523    316.3
1882.0     0.527    314.0
1883.0     0.530    311.7
1884.0     0.534    309.5
1885.0     0.538    307.2
1886.0     0.541    305.1
1887.0     0.545    302.9
1888.0     0.549    300.8
1889.0     0.553    298.7
1890.0     0.556    296.6
1891.0     0.560    294.6
1892.0     0.563    292.5
1893.0     0.566    290.5
1894.0     0.569    288.6
1895.0     0.572    286.6
1896.0     0.574    284.7
1897.0     0.577    282.7
1898.0     0.579    280.8
1899.0     0.580    278.9
1900.0     0.582    277.0
1901.0     0.583    275.2
1902.0     0.584    273.3
1903.0     0.585    271.4
1904.0     0.585    269.6
1905.0     0.585    267.7
1906.0     0.585    265.9
1907.0     0.585    264.0
1908.0     0.585    262.1
1909.0     0.584    260.3
1910.0     0.584    258.4
1911.0     0.583    256.5
1912.0     0.582    254.7
1913.0     0.581    252.8
1914.0     0.580    250.9
1915.0     0.579    249.0
1916.0     0.578    247.1
1917.0     0.577    245.2
1918.0     0.577    243.3
1919.0     0.576    241.4
1920.0     0.575    239.4
1921.0     0.574    237.5
1922.0     0.574    235.6
1923.0     0.574    233.6
1924.0     0.574    231.7
1925.0     0.574    229.8
1926.0     0.574    227.8
1927.0     0.574    225.9
1928.0     0.575    224.0
1929.0     0.576    222.0
1930.0     0.577    220.1
1931.0     0.579    218.2
1932.0     0.581    216.3
1933.0     0.583    214.4
1934.0     0.585    212.6
1935.0     0.587    210.7
1936.0     0.590    208.9
1937.0     0.593    207.1
1938.0     0.597    205.3
1939.0     0.601    203.5
1940.0     0.605    201.7
1941.0     0.609    200.0
1942.0     0.613    198.3
1943.0     0.618    196.6
1944.0     0.623    195.0
1945.0     0.629    193.3
1946.0     0.634    191.7
1947.0     0.640    190.2
1948.0     0.646    188.6
1949.0     0.652    187.1
1950.0     0.658    185.6
1951.0     0.665    184.2
1952.0     0.672    182.8
1953.0     0.679    181.4
1954.0     0.686    180.0
1955.0     0.693    178.7
1956.0     0.701    177.3
1957.0     0.708    176.1
1958.0     0.716    174.8
1959.0     0.724    173.6
1960.0     0.732    172.4
1961.0     0.740    171.2
1962.0     0.749    170.1
1963.0     0.757    168.9
1964.0     0.765    167.8
1965.0     0.774    166.8
1966.0     0.782    165.7
1967.0     0.791    164.7
1968.0     0.800    163.7
1969.0     0.809    162.7
1970.0     0.817    161.7
1971.0     0.826    160.8
1972.0     0.835    159.9
1973.0     0.844    158.9
1974.0     0.853    158.1
1975.0     0.862    157.2
1976.0     0.871    156.4
1977.0     0.880    155.5
1978.0     0.890    154.7
1979.0     0.899    153.9
1980.0     0.908    153.1
1981.0     0.917    152.4
1982.0     0.926    151.6
1983.0     0.935    150.9
1984.0     0.944    150.2
1985.0     0.953    149.4
1986.0     0.962    148.8
1987.0     0.971    148.1
1988.0     0.980    147.4
1989.0     0.989    146.7
1990.0     0.998    146.1
1991.0     1.007    145.5
1992.0     1.016    144.8
1993.0     1.025    144.2
1994.0     1.034    143.6
1995.0     1.043    143.0
1996.0     1.052    142.5
1997.0     1.060    141.9
1998.0     1.069    141.3
1999.0     1.078    140.8
2000.0     1.086    140.2
2001.0     1.095    139.7
2002.0     1.103    139.2
2003.0     1.112    138.7
2004.0     1.120    138.1
2005.0     1.129    137.6
2006.0     1.137    137.1
2007.0     1.145    136.7
2008.0     1.153    136.2
2009.0     1.162    135.7
2010.0     1.170    135.2
2011.0     1.178    134.8
2012.0     1.186    134.3
2013.0     1.194    133.9
2014.0     1.201    133.4
2015.0     1.209    133.0
2016.0     1.217    132.5
2017.0     1.225    132.1
2018.0     1.232    131.7
2019.0     1.240    131.3
2020.0     1.247    130.9
2021.0     1.255    130.5
2022.0     1.262    130.1
2023.0     1.269    129.7
2024.0     1.276    129.3
2025.0     1.283    128.9
2026.0     1.291    128.5
2027.0     1.297    128.1
2028.0     1.304    127.7
2029.0     1.311    127.4
2030.0     1.318    127.0
2031.0     1.325    126.6
2032.0     1.331    126.3
2033.0     1.338    125.9
2034.0     1.344    125.6
2035.0     1.351    125.2
2036.0     1.357    124.9
2037.0     1.363    124.5
2038.0     1.370    124.2
2039.0     1.376    123.8
2040.0     1.382    123.5
2041.0     1.388    123.2
2042.0     1.394    122.8
2043.0     1.400    122.5
2044.0     1.405    122.2
2045.0     1.411    121.9
2046.0     1.417    121.5
2047.0     1.422    121.2
2048.0     1.428    120.9
2049.0     1.433    120.6
2050.0     1.438    120.3
2051.0     1.443    120.0
2052.0     1.449    119.7
2053.0     1.454    119.4
2054.0     1.459    119.1
2055.0     1.463    118.8
2056.0     1.468    118.5
2057.0     1.473    118.2
2058.0     1.478    117.9
2059.0     1.482    117.6
2060.0     1.487    117.3
2061.0     1.491    117.0
2062.0     1.496    116.7
2063.0     1.500    116.5
2064.0     1.504    116.2
2065.0     1.508    115.9
2066.0     1.512    115.6
2067.0     1.516    115.3
2068.0     1.520    115.1
2069.0     1.524    114.8
2070.0     1.528    114.5
2071.0     1.531    114.2
2072.0     1.535    114.0
2073.0     1.538    113.7
2074.0     1.542    113.4
2075.0     1.545    113.2
2076.0     1.548    112.9
2077.0     1.551    112.6
2078.0     1.554    112.4
2079.0     1.557    112.1
2080.0     1.560    111.8
2081.0     1.563    111.6
2082.0     1.566    111.3
2083.0     1.569    111.1
2084.0     1.571    110.8
2085.0     1.574    110.6
2086.0     1.576    110.3
2087.0     1.578    110.0
2088.0     1.581    109.8
2089.0     1.583    109.5
2090.0     1.585    109.3
2091.0     1.587    109.0
2092.0     1.589    108.8
2093.0     1.591    108.5
2094.0     1.592    108.3
2095.0     1.594    108.0
2096.0     1.596    107.8
2097.0     1.597    107.5
2098.0     1.599    107.3
2099.0     1.600    107.0
2100.0     1.601    106.8
2101.0     1.602    106.5
2102.0     1.604    106.3
2103.0     1.605    106.0
2104.0     1.605    105.8
2105.0     1.606    105.5
2106.0     1.607    105.3
2107.0     1.608    105.0
2108.0     1.608    104.8
2109.0     1.609    104.5
2110.0     1.609    104.3
2111.0     1.610    104.1
2112.0     1.610    103.8
2113.0     1.610    103.6
2114.0     1.610    103.3
2115.0     1.610    103.1
2116.0     1.610    102.8
2117.0     1.610    102.6
2118.0     1.610    102.3
2119.0     1.609    102.1
2120.0     1.609    101.8
2121.0     1.608    101.6
2122.0     1.608    101.3
2123.0     1.607    101.1
2124.0     1.606    100.9
2125.0     1.605    100.6
2126.0     1.604    100.4
2127.0     1.603    100.1
2128.0     1.602     99.9
2129.0     1.601     99.6
2130.0     1.600     99.4
2131.0     1.598     99.1
2132.0     1.597     98.9
2133.0     1.595     98.6
2134.0     1.594     98.4
2135.0     1.592     98.1
2136.0     1.590     97.9
2137.0     1.588     97.6
2138.0     1.586     97.4
2139.0     1.584     97.1
2140.0     1.582     96.9
2141.0     1.580     96.6
2142.0     1.577     96.3
2143.0     1.575     96.1
2144.0     1.572     95.8
2145.0     1.570     95.6
2146.0     1.567     95.3
2147.0     1.564     95.0
2148.0     1.561     94.8
2149.0     1.558     94.5
2150.0     1.555     94.3
2151.0     1.552     94.0
2152.0     1.549     93.7
2153.0     1.545     93.5
2154.0     1.542     93.2
2155.0     1.538     92.9
2156.0     1.535     92.7
2157.0     1.531     92.4
2158.0     1.527     92.1
2159.0     1.523     91.8
2160.0     1.519     91.6
2161.0     1.515     91.3
2162.0     1.511     91.0
2163.0     1.507     90.7
2164.0     1.502     90.5
2165.0     1.498     90.2
2166.0     1.493     89.9
2167.0     1.489     89.6
2168.0     1.484     89.3
2169.0     1.479     89.0
2170.0     1.474     88.7
2171.0     1.469     88.4
2172.0     1.464     88.1
2173.0     1.459     87.8
2174.0     1.454     87.5
2175.0     1.448     87.2
2176.0     1.443     86.9
2177.0     1.437     86.6
2178.0     1.432     86.3
2179.0     1.426     86.0
2180.0     1.420     85.7
2181.0     1.414     85.4
2182.0     1.408     85.1
2183.0     1.402     84.7
2184.0     1.396     84.4
2185.0     1.389     84.1
2186.0     1.383     83.7
2187.0     1.376     83.4
2188.0     1.370     83.1
2189.0     1.363     82.7
2190.0     1.356     82.4
2191.0     1.349     82.0
2192.0     1.342     81.7
2193.0     1.335     81.3
2194.0     1.328     81.0
2195.0     1.321     80.6
2196.0     1.314     80.2
2197.0     1.306     79.9
2198.0     1.298     79.5
2199.0     1.291     79.1
2200.0     1.283     78.7
2201.0     1.275     78.3
2202.0     1.267     77.9
2203.0     1.259     77.5
2204.0     1.251     77.1
2205.0     1.243     76.7
2206.0     1.235     76.3
2207.0     1.226     75.9
2208.0     1.218     75.5
2209.0     1.209     75.0
2210.0     1.200     74.6
2211.0     1.192     74.2
2212.0     1.183     73.7
2213.0     1.174     73.2
2214.0     1.165     72.8
2215.0     1.156     72.3
2216.0     1.146     71.8
2217.0     1.137     71.3
2218.0     1.128     70.8
2219.0     1.118     70.3
2220.0     1.109     69.8
2221.0     1.099     69.3
2222.0     1.089     68.8
2223.0     1.079     68.2
2224.0     1.069     67.7
2225.0     1.059     67.1
2226.0     1.049     66.5
2227.0     1.039     66.0
2228.0     1.029     65.4
2229.0     1.019     64.8
2230.0     1.008     64.1
2231.0     0.998     63.5
2232.0     0.987     62.9






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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