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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:33:47

Orbital Elements for COU1642
WDS: COU1642 WDS ID/Discoverer
P: 433.800 Orbital period (years)
a: 0.247 Semi-major axis (arcseconds)
i: 59.3 Inclination (degrees)
Ω: 101.3 Longitude of ascending node (degrees)
T: 2026.000 Epoch of periastron passage (year)
e: 0.277 Eccentricity
ω: 11.9 Longitude of periastron (degrees)
Start-Year: 1809.0 Year
End-Year: 2241.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1642
Position: 222647.41+403329.6 Epoch-2000 right ascension and declination
WDS-ID: 22268+4033 WDS designation
Discoverer Code: COU1642 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 212900 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.5 Magnitude of the primary
V2: 8.5 Magnitude of the secondary
Equinox: Equinox
Date: 2011 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for COU1642



WDS 6th Orbit including measures of COU1642

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


Ephemeris of COU1642
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.176    106.6
-------------------------
1809.0     0.310    287.4
1810.0     0.310    287.7
1811.0     0.310    287.9
1812.0     0.309    288.2
1813.0     0.309    288.5
1814.0     0.308    288.7
1815.0     0.308    289.0
1816.0     0.307    289.2
1817.0     0.306    289.5
1818.0     0.306    289.8
1819.0     0.305    290.0
1820.0     0.305    290.3
1821.0     0.304    290.6
1822.0     0.303    290.8
1823.0     0.302    291.1
1824.0     0.302    291.4
1825.0     0.301    291.7
1826.0     0.300    291.9
1827.0     0.299    292.2
1828.0     0.298    292.5
1829.0     0.297    292.8
1830.0     0.297    293.0
1831.0     0.296    293.3
1832.0     0.295    293.6
1833.0     0.294    293.9
1834.0     0.293    294.2
1835.0     0.292    294.5
1836.0     0.291    294.8
1837.0     0.290    295.1
1838.0     0.289    295.4
1839.0     0.287    295.7
1840.0     0.286    296.0
1841.0     0.285    296.3
1842.0     0.284    296.6
1843.0     0.283    296.9
1844.0     0.282    297.2
1845.0     0.280    297.5
1846.0     0.279    297.8
1847.0     0.278    298.2
1848.0     0.276    298.5
1849.0     0.275    298.8
1850.0     0.274    299.1
1851.0     0.272    299.5
1852.0     0.271    299.8
1853.0     0.270    300.1
1854.0     0.268    300.5
1855.0     0.267    300.8
1856.0     0.265    301.2
1857.0     0.264    301.5
1858.0     0.262    301.9
1859.0     0.261    302.3
1860.0     0.259    302.6
1861.0     0.258    303.0
1862.0     0.256    303.4
1863.0     0.255    303.8
1864.0     0.253    304.1
1865.0     0.251    304.5
1866.0     0.250    304.9
1867.0     0.248    305.3
1868.0     0.246    305.7
1869.0     0.245    306.1
1870.0     0.243    306.6
1871.0     0.241    307.0
1872.0     0.239    307.4
1873.0     0.238    307.9
1874.0     0.236    308.3
1875.0     0.234    308.7
1876.0     0.232    309.2
1877.0     0.231    309.7
1878.0     0.229    310.1
1879.0     0.227    310.6
1880.0     0.225    311.1
1881.0     0.223    311.6
1882.0     0.221    312.1
1883.0     0.219    312.6
1884.0     0.218    313.1
1885.0     0.216    313.7
1886.0     0.214    314.2
1887.0     0.212    314.8
1888.0     0.210    315.3
1889.0     0.208    315.9
1890.0     0.206    316.5
1891.0     0.204    317.0
1892.0     0.202    317.7
1893.0     0.200    318.3
1894.0     0.198    318.9
1895.0     0.196    319.5
1896.0     0.194    320.2
1897.0     0.192    320.8
1898.0     0.190    321.5
1899.0     0.188    322.2
1900.0     0.186    322.9
1901.0     0.184    323.6
1902.0     0.182    324.4
1903.0     0.180    325.1
1904.0     0.179    325.9
1905.0     0.177    326.7
1906.0     0.175    327.5
1907.0     0.173    328.3
1908.0     0.171    329.2
1909.0     0.169    330.0
1910.0     0.167    330.9
1911.0     0.165    331.8
1912.0     0.163    332.7
1913.0     0.161    333.7
1914.0     0.160    334.6
1915.0     0.158    335.6
1916.0     0.156    336.6
1917.0     0.154    337.7
1918.0     0.152    338.7
1919.0     0.151    339.8
1920.0     0.149    340.9
1921.0     0.147    342.0
1922.0     0.146    343.2
1923.0     0.144    344.4
1924.0     0.143    345.6
1925.0     0.141    346.8
1926.0     0.140    348.1
1927.0     0.138    349.4
1928.0     0.137    350.7
1929.0     0.135    352.0
1930.0     0.134    353.4
1931.0     0.133    354.8
1932.0     0.132    356.2
1933.0     0.131    357.6
1934.0     0.130    359.1
1935.0     0.129      0.6
1936.0     0.128      2.1
1937.0     0.127      3.7
1938.0     0.126      5.2
1939.0     0.125      6.8
1940.0     0.125      8.4
1941.0     0.124     10.0
1942.0     0.123     11.6
1943.0     0.123     13.2
1944.0     0.123     14.9
1945.0     0.122     16.6
1946.0     0.122     18.2
1947.0     0.122     19.9
1948.0     0.122     21.6
1949.0     0.122     23.2
1950.0     0.122     24.9
1951.0     0.122     26.6
1952.0     0.122     28.3
1953.0     0.122     29.9
1954.0     0.123     31.6
1955.0     0.123     33.2
1956.0     0.124     34.9
1957.0     0.124     36.5
1958.0     0.125     38.1
1959.0     0.125     39.7
1960.0     0.126     41.2
1961.0     0.127     42.8
1962.0     0.128     44.3
1963.0     0.129     45.8
1964.0     0.130     47.3
1965.0     0.131     48.8
1966.0     0.132     50.2
1967.0     0.133     51.7
1968.0     0.134     53.0
1969.0     0.135     54.4
1970.0     0.136     55.8
1971.0     0.137     57.1
1972.0     0.139     58.4
1973.0     0.140     59.7
1974.0     0.141     60.9
1975.0     0.143     62.2
1976.0     0.144     63.4
1977.0     0.145     64.6
1978.0     0.147     65.7
1979.0     0.148     66.9
1980.0     0.149     68.0
1981.0     0.151     69.1
1982.0     0.152     70.2
1983.0     0.153     71.3
1984.0     0.155     72.3
1985.0     0.156     73.3
1986.0     0.157     74.3
1987.0     0.159     75.3
1988.0     0.160     76.3
1989.0     0.161     77.3
1990.0     0.162     78.2
1991.0     0.164     79.2
1992.0     0.165     80.1
1993.0     0.166     81.0
1994.0     0.167     81.9
1995.0     0.168     82.8
1996.0     0.169     83.6
1997.0     0.170     84.5
1998.0     0.171     85.3
1999.0     0.172     86.2
2000.0     0.173     87.0
2001.0     0.174     87.9
2002.0     0.175     88.7
2003.0     0.175     89.5
2004.0     0.176     90.3
2005.0     0.177     91.1
2006.0     0.177     91.9
2007.0     0.178     92.7
2008.0     0.178     93.4
2009.0     0.179     94.2
2010.0     0.179     95.0
2011.0     0.179     95.8
2012.0     0.179     96.5
2013.0     0.180     97.3
2014.0     0.180     98.1
2015.0     0.180     98.9
2016.0     0.180     99.6
2017.0     0.180    100.4
2018.0     0.179    101.2
2019.0     0.179    101.9
2020.0     0.179    102.7
2021.0     0.179    103.5
2022.0     0.178    104.3
2023.0     0.178    105.1
2024.0     0.177    105.8
2025.0     0.176    106.6
2026.0     0.176    107.4
2027.0     0.175    108.2
2028.0     0.174    109.1
2029.0     0.173    109.9
2030.0     0.172    110.7
2031.0     0.171    111.6
2032.0     0.170    112.4
2033.0     0.169    113.3
2034.0     0.168    114.1
2035.0     0.167    115.0
2036.0     0.166    115.9
2037.0     0.164    116.8
2038.0     0.163    117.8
2039.0     0.162    118.7
2040.0     0.160    119.7
2041.0     0.159    120.7
2042.0     0.157    121.6
2043.0     0.156    122.7
2044.0     0.154    123.7
2045.0     0.152    124.8
2046.0     0.151    125.8
2047.0     0.149    127.0
2048.0     0.147    128.1
2049.0     0.146    129.2
2050.0     0.144    130.4
2051.0     0.142    131.6
2052.0     0.141    132.9
2053.0     0.139    134.2
2054.0     0.137    135.5
2055.0     0.135    136.8
2056.0     0.134    138.2
2057.0     0.132    139.6
2058.0     0.130    141.0
2059.0     0.129    142.5
2060.0     0.127    144.0
2061.0     0.126    145.6
2062.0     0.124    147.2
2063.0     0.123    148.8
2064.0     0.121    150.5
2065.0     0.120    152.2
2066.0     0.119    153.9
2067.0     0.117    155.7
2068.0     0.116    157.5
2069.0     0.115    159.4
2070.0     0.114    161.3
2071.0     0.113    163.2
2072.0     0.112    165.2
2073.0     0.111    167.2
2074.0     0.111    169.2
2075.0     0.110    171.2
2076.0     0.110    173.3
2077.0     0.109    175.3
2078.0     0.109    177.4
2079.0     0.109    179.5
2080.0     0.109    181.6
2081.0     0.109    183.7
2082.0     0.109    185.8
2083.0     0.109    187.9
2084.0     0.110    189.9
2085.0     0.110    192.0
2086.0     0.111    194.0
2087.0     0.112    196.0
2088.0     0.112    198.0
2089.0     0.113    200.0
2090.0     0.114    201.9
2091.0     0.115    203.7
2092.0     0.117    205.6
2093.0     0.118    207.4
2094.0     0.119    209.2
2095.0     0.121    210.9
2096.0     0.122    212.6
2097.0     0.124    214.2
2098.0     0.125    215.8
2099.0     0.127    217.4
2100.0     0.129    218.9
2101.0     0.131    220.4
2102.0     0.133    221.8
2103.0     0.134    223.2
2104.0     0.136    224.6
2105.0     0.138    225.9
2106.0     0.140    227.2
2107.0     0.142    228.4
2108.0     0.145    229.6
2109.0     0.147    230.8
2110.0     0.149    231.9
2111.0     0.151    233.0
2112.0     0.153    234.1
2113.0     0.155    235.1
2114.0     0.158    236.1
2115.0     0.160    237.1
2116.0     0.162    238.1
2117.0     0.165    239.0
2118.0     0.167    239.9
2119.0     0.169    240.8
2120.0     0.171    241.7
2121.0     0.174    242.5
2122.0     0.176    243.3
2123.0     0.178    244.1
2124.0     0.181    244.9
2125.0     0.183    245.6
2126.0     0.185    246.4
2127.0     0.187    247.1
2128.0     0.190    247.8
2129.0     0.192    248.4
2130.0     0.194    249.1
2131.0     0.197    249.8
2132.0     0.199    250.4
2133.0     0.201    251.0
2134.0     0.203    251.6
2135.0     0.205    252.2
2136.0     0.208    252.8
2137.0     0.210    253.4
2138.0     0.212    253.9
2139.0     0.214    254.5
2140.0     0.216    255.0
2141.0     0.218    255.5
2142.0     0.221    256.1
2143.0     0.223    256.6
2144.0     0.225    257.1
2145.0     0.227    257.5
2146.0     0.229    258.0
2147.0     0.231    258.5
2148.0     0.233    259.0
2149.0     0.235    259.4
2150.0     0.237    259.9
2151.0     0.239    260.3
2152.0     0.241    260.7
2153.0     0.243    261.2
2154.0     0.244    261.6
2155.0     0.246    262.0
2156.0     0.248    262.4
2157.0     0.250    262.8
2158.0     0.252    263.2
2159.0     0.253    263.6
2160.0     0.255    264.0
2161.0     0.257    264.3
2162.0     0.259    264.7
2163.0     0.260    265.1
2164.0     0.262    265.4
2165.0     0.264    265.8
2166.0     0.265    266.2
2167.0     0.267    266.5
2168.0     0.268    266.9
2169.0     0.270    267.2
2170.0     0.271    267.5
2171.0     0.273    267.9
2172.0     0.274    268.2
2173.0     0.276    268.5
2174.0     0.277    268.9
2175.0     0.278    269.2
2176.0     0.280    269.5
2177.0     0.281    269.8
2178.0     0.282    270.1
2179.0     0.284    270.4
2180.0     0.285    270.7
2181.0     0.286    271.1
2182.0     0.287    271.4
2183.0     0.288    271.7
2184.0     0.290    272.0
2185.0     0.291    272.2
2186.0     0.292    272.5
2187.0     0.293    272.8
2188.0     0.294    273.1
2189.0     0.295    273.4
2190.0     0.296    273.7
2191.0     0.297    274.0
2192.0     0.298    274.3
2193.0     0.299    274.5
2194.0     0.300    274.8
2195.0     0.300    275.1
2196.0     0.301    275.4
2197.0     0.302    275.6
2198.0     0.303    275.9
2199.0     0.304    276.2
2200.0     0.304    276.4
2201.0     0.305    276.7
2202.0     0.306    277.0
2203.0     0.306    277.2
2204.0     0.307    277.5
2205.0     0.307    277.8
2206.0     0.308    278.0
2207.0     0.309    278.3
2208.0     0.309    278.6
2209.0     0.310    278.8
2210.0     0.310    279.1
2211.0     0.310    279.3
2212.0     0.311    279.6
2213.0     0.311    279.8
2214.0     0.312    280.1
2215.0     0.312    280.4
2216.0     0.312    280.6
2217.0     0.312    280.9
2218.0     0.313    281.1
2219.0     0.313    281.4
2220.0     0.313    281.6
2221.0     0.313    281.9
2222.0     0.313    282.1
2223.0     0.314    282.4
2224.0     0.314    282.6
2225.0     0.314    282.9
2226.0     0.314    283.1
2227.0     0.314    283.4
2228.0     0.314    283.7
2229.0     0.314    283.9
2230.0     0.314    284.2
2231.0     0.313    284.4
2232.0     0.313    284.7
2233.0     0.313    284.9
2234.0     0.313    285.2
2235.0     0.313    285.4
2236.0     0.313    285.7
2237.0     0.312    285.9
2238.0     0.312    286.2
2239.0     0.312    286.4
2240.0     0.311    286.7






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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