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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:37:09

Orbital Elements for STF2026AB
WDS: STF2026AB WDS ID/Discoverer
P: 433.791 Orbital period (years)
a: 2.38112 Semi-major axis (arcseconds)
i: 132.719 Inclination (degrees)
Ω: 13.026 Longitude of ascending node (degrees)
T: 1907.151 Epoch of periastron passage (year)
e: 0.80696 Eccentricity
ω: 193.054 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 STF2026AB
Position: 161557.07+072124.8 Epoch-2000 right ascension and declination
WDS-ID: 16160+0721 WDS designation
Discoverer Code: STF2026AB Discover designation and components
ADS number: 9982 Aitken Double Star catalog
HD number: 146413 HD catalog number
Hipparcos number: 79702 Hipparcos catalog number
V1: 9.48 Magnitude of the primary
V2: 9.86 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STF2026AB



WDS 6th Orbit including measures of STF2026AB

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


Ephemeris of STF2026AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     3.666     15.4
-------------------------
1809.0     3.075    348.5
1810.0     3.056    348.3
1811.0     3.036    348.0
1812.0     3.016    347.8
1813.0     2.996    347.6
1814.0     2.976    347.4
1815.0     2.956    347.2
1816.0     2.935    347.0
1817.0     2.914    346.8
1818.0     2.894    346.5
1819.0     2.872    346.3
1820.0     2.851    346.1
1821.0     2.829    345.9
1822.0     2.808    345.6
1823.0     2.786    345.4
1824.0     2.763    345.1
1825.0     2.741    344.9
1826.0     2.718    344.6
1827.0     2.696    344.4
1828.0     2.673    344.1
1829.0     2.649    343.8
1830.0     2.626    343.6
1831.0     2.602    343.3
1832.0     2.578    343.0
1833.0     2.554    342.7
1834.0     2.530    342.4
1835.0     2.505    342.1
1836.0     2.480    341.8
1837.0     2.455    341.5
1838.0     2.430    341.2
1839.0     2.404    340.9
1840.0     2.378    340.6
1841.0     2.352    340.2
1842.0     2.326    339.9
1843.0     2.299    339.5
1844.0     2.273    339.2
1845.0     2.246    338.8
1846.0     2.218    338.4
1847.0     2.191    338.0
1848.0     2.163    337.6
1849.0     2.135    337.2
1850.0     2.107    336.8
1851.0     2.078    336.4
1852.0     2.049    335.9
1853.0     2.020    335.5
1854.0     1.990    335.0
1855.0     1.961    334.5
1856.0     1.931    334.0
1857.0     1.901    333.5
1858.0     1.870    333.0
1859.0     1.839    332.4
1860.0     1.808    331.9
1861.0     1.777    331.3
1862.0     1.745    330.7
1863.0     1.713    330.0
1864.0     1.681    329.4
1865.0     1.648    328.7
1866.0     1.616    328.0
1867.0     1.583    327.3
1868.0     1.549    326.5
1869.0     1.516    325.7
1870.0     1.482    324.8
1871.0     1.447    324.0
1872.0     1.413    323.0
1873.0     1.378    322.1
1874.0     1.343    321.1
1875.0     1.308    320.0
1876.0     1.272    318.9
1877.0     1.237    317.7
1878.0     1.201    316.4
1879.0     1.165    315.0
1880.0     1.129    313.6
1881.0     1.092    312.1
1882.0     1.056    310.4
1883.0     1.019    308.7
1884.0     0.983    306.8
1885.0     0.947    304.8
1886.0     0.910    302.6
1887.0     0.875    300.2
1888.0     0.839    297.7
1889.0     0.804    294.9
1890.0     0.770    291.8
1891.0     0.736    288.5
1892.0     0.704    284.8
1893.0     0.673    280.9
1894.0     0.643    276.5
1895.0     0.616    271.7
1896.0     0.590    266.6
1897.0     0.568    260.9
1898.0     0.548    254.8
1899.0     0.531    248.4
1900.0     0.517    241.5
1901.0     0.506    234.2
1902.0     0.497    226.7
1903.0     0.490    219.0
1904.0     0.483    211.0
1905.0     0.476    202.8
1906.0     0.467    194.3
1907.0     0.455    185.5
1908.0     0.442    176.1
1909.0     0.429    166.2
1910.0     0.419    155.6
1911.0     0.413    144.7
1912.0     0.416    133.7
1913.0     0.426    123.0
1914.0     0.446    113.1
1915.0     0.473    104.1
1916.0     0.506     96.2
1917.0     0.544     89.3
1918.0     0.586     83.4
1919.0     0.630     78.3
1920.0     0.676     73.9
1921.0     0.723     70.0
1922.0     0.771     66.6
1923.0     0.820     63.7
1924.0     0.868     61.0
1925.0     0.916     58.6
1926.0     0.964     56.5
1927.0     1.011     54.6
1928.0     1.059     52.8
1929.0     1.105     51.2
1930.0     1.151     49.7
1931.0     1.197     48.4
1932.0     1.242     47.1
1933.0     1.286     45.9
1934.0     1.330     44.8
1935.0     1.373     43.8
1936.0     1.416     42.8
1937.0     1.458     41.9
1938.0     1.499     41.0
1939.0     1.540     40.2
1940.0     1.581     39.4
1941.0     1.621     38.7
1942.0     1.660     38.0
1943.0     1.698     37.3
1944.0     1.737     36.7
1945.0     1.774     36.1
1946.0     1.811     35.5
1947.0     1.848     34.9
1948.0     1.884     34.4
1949.0     1.920     33.9
1950.0     1.955     33.4
1951.0     1.990     32.9
1952.0     2.024     32.4
1953.0     2.058     32.0
1954.0     2.091     31.5
1955.0     2.124     31.1
1956.0     2.157     30.7
1957.0     2.189     30.3
1958.0     2.221     29.9
1959.0     2.252     29.5
1960.0     2.283     29.2
1961.0     2.314     28.8
1962.0     2.344     28.5
1963.0     2.374     28.1
1964.0     2.403     27.8
1965.0     2.432     27.5
1966.0     2.461     27.1
1967.0     2.489     26.8
1968.0     2.517     26.5
1969.0     2.545     26.2
1970.0     2.572     26.0
1971.0     2.599     25.7
1972.0     2.626     25.4
1973.0     2.653     25.1
1974.0     2.679     24.9
1975.0     2.704     24.6
1976.0     2.730     24.3
1977.0     2.755     24.1
1978.0     2.780     23.8
1979.0     2.804     23.6
1980.0     2.829     23.4
1981.0     2.853     23.1
1982.0     2.876     22.9
1983.0     2.900     22.7
1984.0     2.923     22.5
1985.0     2.946     22.2
1986.0     2.968     22.0
1987.0     2.991     21.8
1988.0     3.013     21.6
1989.0     3.034     21.4
1990.0     3.056     21.2
1991.0     3.077     21.0
1992.0     3.098     20.8
1993.0     3.119     20.6
1994.0     3.140     20.4
1995.0     3.160     20.2
1996.0     3.180     20.0
1997.0     3.200     19.8
1998.0     3.219     19.7
1999.0     3.239     19.5
2000.0     3.258     19.3
2001.0     3.277     19.1
2002.0     3.295     18.9
2003.0     3.314     18.8
2004.0     3.332     18.6
2005.0     3.350     18.4
2006.0     3.368     18.3
2007.0     3.385     18.1
2008.0     3.403     17.9
2009.0     3.420     17.8
2010.0     3.437     17.6
2011.0     3.453     17.5
2012.0     3.470     17.3
2013.0     3.486     17.1
2014.0     3.502     17.0
2015.0     3.518     16.8
2016.0     3.534     16.7
2017.0     3.549     16.5
2018.0     3.564     16.4
2019.0     3.579     16.2
2020.0     3.594     16.1
2021.0     3.609     15.9
2022.0     3.624     15.8
2023.0     3.638     15.7
2024.0     3.652     15.5
2025.0     3.666     15.4
2026.0     3.680     15.2
2027.0     3.693     15.1
2028.0     3.706     15.0
2029.0     3.720     14.8
2030.0     3.733     14.7
2031.0     3.745     14.6
2032.0     3.758     14.4
2033.0     3.770     14.3
2034.0     3.783     14.2
2035.0     3.795     14.0
2036.0     3.807     13.9
2037.0     3.818     13.8
2038.0     3.830     13.6
2039.0     3.841     13.5
2040.0     3.853     13.4
2041.0     3.864     13.3
2042.0     3.874     13.1
2043.0     3.885     13.0
2044.0     3.896     12.9
2045.0     3.906     12.8
2046.0     3.916     12.6
2047.0     3.926     12.5
2048.0     3.936     12.4
2049.0     3.946     12.3
2050.0     3.955     12.1
2051.0     3.965     12.0
2052.0     3.974     11.9
2053.0     3.983     11.8
2054.0     3.992     11.7
2055.0     4.001     11.5
2056.0     4.009     11.4
2057.0     4.018     11.3
2058.0     4.026     11.2
2059.0     4.034     11.1
2060.0     4.042     11.0
2061.0     4.050     10.8
2062.0     4.057     10.7
2063.0     4.065     10.6
2064.0     4.072     10.5
2065.0     4.079     10.4
2066.0     4.086     10.3
2067.0     4.093     10.2
2068.0     4.100     10.1
2069.0     4.106      9.9
2070.0     4.113      9.8
2071.0     4.119      9.7
2072.0     4.125      9.6
2073.0     4.131      9.5
2074.0     4.137      9.4
2075.0     4.142      9.3
2076.0     4.148      9.2
2077.0     4.153      9.1
2078.0     4.158      8.9
2079.0     4.163      8.8
2080.0     4.168      8.7
2081.0     4.173      8.6
2082.0     4.178      8.5
2083.0     4.182      8.4
2084.0     4.186      8.3
2085.0     4.190      8.2
2086.0     4.194      8.1
2087.0     4.198      8.0
2088.0     4.202      7.9
2089.0     4.206      7.8
2090.0     4.209      7.7
2091.0     4.212      7.6
2092.0     4.216      7.4
2093.0     4.219      7.3
2094.0     4.222      7.2
2095.0     4.224      7.1
2096.0     4.227      7.0
2097.0     4.229      6.9
2098.0     4.232      6.8
2099.0     4.234      6.7
2100.0     4.236      6.6
2101.0     4.238      6.5
2102.0     4.239      6.4
2103.0     4.241      6.3
2104.0     4.243      6.2
2105.0     4.244      6.1
2106.0     4.245      6.0
2107.0     4.246      5.9
2108.0     4.247      5.8
2109.0     4.248      5.7
2110.0     4.248      5.6
2111.0     4.249      5.4
2112.0     4.249      5.3
2113.0     4.250      5.2
2114.0     4.250      5.1
2115.0     4.250      5.0
2116.0     4.249      4.9
2117.0     4.249      4.8
2118.0     4.249      4.7
2119.0     4.248      4.6
2120.0     4.247      4.5
2121.0     4.246      4.4
2122.0     4.245      4.3
2123.0     4.244      4.2
2124.0     4.243      4.1
2125.0     4.242      4.0
2126.0     4.240      3.9
2127.0     4.238      3.8
2128.0     4.236      3.7
2129.0     4.235      3.6
2130.0     4.232      3.5
2131.0     4.230      3.4
2132.0     4.228      3.3
2133.0     4.225      3.1
2134.0     4.223      3.0
2135.0     4.220      2.9
2136.0     4.217      2.8
2137.0     4.214      2.7
2138.0     4.211      2.6
2139.0     4.207      2.5
2140.0     4.204      2.4
2141.0     4.200      2.3
2142.0     4.197      2.2
2143.0     4.193      2.1
2144.0     4.189      2.0
2145.0     4.185      1.9
2146.0     4.180      1.8
2147.0     4.176      1.7
2148.0     4.171      1.5
2149.0     4.167      1.4
2150.0     4.162      1.3
2151.0     4.157      1.2
2152.0     4.152      1.1
2153.0     4.146      1.0
2154.0     4.141      0.9
2155.0     4.135      0.8
2156.0     4.130      0.7
2157.0     4.124      0.6
2158.0     4.118      0.4
2159.0     4.112      0.3
2160.0     4.106      0.2
2161.0     4.099      0.1
2162.0     4.093    360.0
2163.0     4.086    359.9
2164.0     4.080    359.8
2165.0     4.073    359.7
2166.0     4.066    359.5
2167.0     4.058    359.4
2168.0     4.051    359.3
2169.0     4.044    359.2
2170.0     4.036    359.1
2171.0     4.028    359.0
2172.0     4.020    358.9
2173.0     4.012    358.7
2174.0     4.004    358.6
2175.0     3.996    358.5
2176.0     3.987    358.4
2177.0     3.979    358.3
2178.0     3.970    358.1
2179.0     3.961    358.0
2180.0     3.952    357.9
2181.0     3.943    357.8
2182.0     3.934    357.7
2183.0     3.924    357.5
2184.0     3.914    357.4
2185.0     3.905    357.3
2186.0     3.895    357.2
2187.0     3.885    357.0
2188.0     3.875    356.9
2189.0     3.864    356.8
2190.0     3.854    356.7
2191.0     3.843    356.5
2192.0     3.832    356.4
2193.0     3.821    356.3
2194.0     3.810    356.2
2195.0     3.799    356.0
2196.0     3.788    355.9
2197.0     3.776    355.8
2198.0     3.764    355.6
2199.0     3.753    355.5
2200.0     3.741    355.4
2201.0     3.728    355.2
2202.0     3.716    355.1
2203.0     3.704    355.0
2204.0     3.691    354.8
2205.0     3.678    354.7
2206.0     3.665    354.5
2207.0     3.652    354.4
2208.0     3.639    354.3
2209.0     3.626    354.1
2210.0     3.612    354.0
2211.0     3.598    353.8
2212.0     3.584    353.7
2213.0     3.570    353.5
2214.0     3.556    353.4
2215.0     3.542    353.2
2216.0     3.527    353.1
2217.0     3.513    352.9
2218.0     3.498    352.8
2219.0     3.483    352.6
2220.0     3.468    352.5
2221.0     3.452    352.3
2222.0     3.437    352.1
2223.0     3.421    352.0
2224.0     3.405    351.8
2225.0     3.389    351.7
2226.0     3.373    351.5
2227.0     3.357    351.3
2228.0     3.340    351.2
2229.0     3.324    351.0
2230.0     3.307    350.8
2231.0     3.290    350.6
2232.0     3.272    350.5
2233.0     3.255    350.3
2234.0     3.237    350.1
2235.0     3.220    349.9
2236.0     3.202    349.8
2237.0     3.184    349.6
2238.0     3.165    349.4
2239.0     3.147    349.2
2240.0     3.128    349.0






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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