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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:22:14

Orbital Elements for STT277AB
WDS: STT277AB WDS ID/Discoverer
P: 337.200 Orbital period (years)
a: 0.548 Semi-major axis (arcseconds)
i: 65.6 Inclination (degrees)
Ω: 70.4 Longitude of ascending node (degrees)
T: 2012.290 Epoch of periastron passage (year)
e: 0.858 Eccentricity
ω: 88.1 Longitude of periastron (degrees)
Start-Year: 1857.0 Year
End-Year: 2193.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT277AB
Position: 141226.68+284302.3 Epoch-2000 right ascension and declination
WDS-ID: 14124+2843 WDS designation
Discoverer Code: STT277AB Discover designation and components
ADS number: 9158 Aitken Double Star catalog
HD number: 124346 HD catalog number
Hipparcos number: 69399 Hipparcos catalog number
V1: 8.73 Magnitude of the primary
V2: 8.61 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1997 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STT277AB



WDS 6th Orbit including measures of STT277AB

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


Ephemeris of STT277AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.234    263.7
-------------------------
1857.0     0.419    340.9
1858.0     0.419    341.3
1859.0     0.418    341.7
1860.0     0.418    342.1
1861.0     0.418    342.5
1862.0     0.418    342.9
1863.0     0.417    343.3
1864.0     0.417    343.7
1865.0     0.417    344.0
1866.0     0.417    344.4
1867.0     0.416    344.8
1868.0     0.416    345.2
1869.0     0.416    345.6
1870.0     0.415    346.0
1871.0     0.415    346.4
1872.0     0.415    346.8
1873.0     0.415    347.2
1874.0     0.414    347.6
1875.0     0.414    348.0
1876.0     0.414    348.4
1877.0     0.413    348.8
1878.0     0.413    349.2
1879.0     0.413    349.6
1880.0     0.412    350.0
1881.0     0.412    350.4
1882.0     0.412    350.8
1883.0     0.411    351.2
1884.0     0.411    351.6
1885.0     0.411    352.0
1886.0     0.410    352.4
1887.0     0.410    352.8
1888.0     0.410    353.2
1889.0     0.409    353.6
1890.0     0.409    354.0
1891.0     0.408    354.4
1892.0     0.408    354.8
1893.0     0.408    355.2
1894.0     0.407    355.7
1895.0     0.407    356.1
1896.0     0.406    356.5
1897.0     0.406    356.9
1898.0     0.406    357.3
1899.0     0.405    357.7
1900.0     0.405    358.1
1901.0     0.404    358.5
1902.0     0.404    359.0
1903.0     0.403    359.4
1904.0     0.403    359.8
1905.0     0.403      0.2
1906.0     0.402      0.6
1907.0     0.402      1.1
1908.0     0.401      1.5
1909.0     0.401      1.9
1910.0     0.400      2.3
1911.0     0.400      2.8
1912.0     0.399      3.2
1913.0     0.399      3.6
1914.0     0.398      4.0
1915.0     0.397      4.5
1916.0     0.397      4.9
1917.0     0.396      5.3
1918.0     0.396      5.8
1919.0     0.395      6.2
1920.0     0.395      6.6
1921.0     0.394      7.1
1922.0     0.393      7.5
1923.0     0.393      8.0
1924.0     0.392      8.4
1925.0     0.391      8.8
1926.0     0.391      9.3
1927.0     0.390      9.7
1928.0     0.389     10.2
1929.0     0.389     10.6
1930.0     0.388     11.1
1931.0     0.387     11.5
1932.0     0.386     12.0
1933.0     0.386     12.4
1934.0     0.385     12.9
1935.0     0.384     13.4
1936.0     0.383     13.8
1937.0     0.382     14.3
1938.0     0.382     14.8
1939.0     0.381     15.2
1940.0     0.380     15.7
1941.0     0.379     16.2
1942.0     0.378     16.6
1943.0     0.377     17.1
1944.0     0.376     17.6
1945.0     0.375     18.1
1946.0     0.374     18.6
1947.0     0.373     19.1
1948.0     0.372     19.5
1949.0     0.371     20.0
1950.0     0.370     20.5
1951.0     0.369     21.0
1952.0     0.367     21.5
1953.0     0.366     22.0
1954.0     0.365     22.5
1955.0     0.364     23.1
1956.0     0.362     23.6
1957.0     0.361     24.1
1958.0     0.360     24.6
1959.0     0.358     25.1
1960.0     0.357     25.7
1961.0     0.355     26.2
1962.0     0.354     26.8
1963.0     0.352     27.3
1964.0     0.351     27.9
1965.0     0.349     28.4
1966.0     0.347     29.0
1967.0     0.346     29.5
1968.0     0.344     30.1
1969.0     0.342     30.7
1970.0     0.340     31.3
1971.0     0.338     31.9
1972.0     0.336     32.5
1973.0     0.334     33.1
1974.0     0.331     33.7
1975.0     0.329     34.3
1976.0     0.327     34.9
1977.0     0.324     35.6
1978.0     0.322     36.2
1979.0     0.319     36.9
1980.0     0.316     37.6
1981.0     0.314     38.3
1982.0     0.311     39.0
1983.0     0.308     39.7
1984.0     0.304     40.4
1985.0     0.301     41.1
1986.0     0.298     41.9
1987.0     0.294     42.7
1988.0     0.290     43.5
1989.0     0.286     44.3
1990.0     0.282     45.1
1991.0     0.278     46.0
1992.0     0.273     46.9
1993.0     0.268     47.8
1994.0     0.263     48.8
1995.0     0.257     49.8
1996.0     0.251     50.9
1997.0     0.245     52.0
1998.0     0.239     53.1
1999.0     0.231     54.4
2000.0     0.224     55.7
2001.0     0.215     57.1
2002.0     0.206     58.6
2003.0     0.197     60.3
2004.0     0.186     62.1
2005.0     0.173     64.3
2006.0     0.160     66.7
2007.0     0.144     69.6
2008.0     0.127     73.4
2009.0     0.106     78.4
2010.0     0.082     86.1
2011.0     0.056    100.8
2012.0     0.034    137.8
2013.0     0.039    197.0
2014.0     0.064    224.7
2015.0     0.090    236.5
2016.0     0.113    243.1
2017.0     0.134    247.5
2018.0     0.152    250.9
2019.0     0.167    253.6
2020.0     0.181    255.8
2021.0     0.194    257.7
2022.0     0.205    259.4
2023.0     0.216    261.0
2024.0     0.226    262.4
2025.0     0.234    263.7
2026.0     0.243    264.9
2027.0     0.250    266.0
2028.0     0.258    267.0
2029.0     0.265    268.0
2030.0     0.271    269.0
2031.0     0.277    269.9
2032.0     0.283    270.8
2033.0     0.288    271.6
2034.0     0.293    272.4
2035.0     0.298    273.2
2036.0     0.303    273.9
2037.0     0.307    274.7
2038.0     0.312    275.4
2039.0     0.316    276.1
2040.0     0.320    276.7
2041.0     0.323    277.4
2042.0     0.327    278.0
2043.0     0.330    278.7
2044.0     0.334    279.3
2045.0     0.337    279.9
2046.0     0.340    280.5
2047.0     0.343    281.1
2048.0     0.346    281.6
2049.0     0.349    282.2
2050.0     0.351    282.8
2051.0     0.354    283.3
2052.0     0.356    283.8
2053.0     0.359    284.4
2054.0     0.361    284.9
2055.0     0.363    285.4
2056.0     0.365    285.9
2057.0     0.367    286.4
2058.0     0.369    286.9
2059.0     0.371    287.4
2060.0     0.373    287.9
2061.0     0.375    288.4
2062.0     0.377    288.9
2063.0     0.379    289.4
2064.0     0.380    289.8
2065.0     0.382    290.3
2066.0     0.384    290.8
2067.0     0.385    291.2
2068.0     0.386    291.7
2069.0     0.388    292.1
2070.0     0.389    292.6
2071.0     0.391    293.0
2072.0     0.392    293.5
2073.0     0.393    293.9
2074.0     0.394    294.4
2075.0     0.396    294.8
2076.0     0.397    295.2
2077.0     0.398    295.7
2078.0     0.399    296.1
2079.0     0.400    296.5
2080.0     0.401    296.9
2081.0     0.402    297.4
2082.0     0.403    297.8
2083.0     0.404    298.2
2084.0     0.405    298.6
2085.0     0.406    299.0
2086.0     0.406    299.5
2087.0     0.407    299.9
2088.0     0.408    300.3
2089.0     0.409    300.7
2090.0     0.410    301.1
2091.0     0.410    301.5
2092.0     0.411    301.9
2093.0     0.412    302.3
2094.0     0.412    302.7
2095.0     0.413    303.1
2096.0     0.413    303.5
2097.0     0.414    303.9
2098.0     0.415    304.3
2099.0     0.415    304.7
2100.0     0.416    305.1
2101.0     0.416    305.5
2102.0     0.417    305.9
2103.0     0.417    306.3
2104.0     0.418    306.6
2105.0     0.418    307.0
2106.0     0.418    307.4
2107.0     0.419    307.8
2108.0     0.419    308.2
2109.0     0.420    308.6
2110.0     0.420    309.0
2111.0     0.420    309.4
2112.0     0.421    309.7
2113.0     0.421    310.1
2114.0     0.421    310.5
2115.0     0.422    310.9
2116.0     0.422    311.3
2117.0     0.422    311.7
2118.0     0.422    312.0
2119.0     0.423    312.4
2120.0     0.423    312.8
2121.0     0.423    313.2
2122.0     0.423    313.6
2123.0     0.423    313.9
2124.0     0.424    314.3
2125.0     0.424    314.7
2126.0     0.424    315.1
2127.0     0.424    315.5
2128.0     0.424    315.8
2129.0     0.424    316.2
2130.0     0.425    316.6
2131.0     0.425    317.0
2132.0     0.425    317.3
2133.0     0.425    317.7
2134.0     0.425    318.1
2135.0     0.425    318.5
2136.0     0.425    318.9
2137.0     0.425    319.2
2138.0     0.425    319.6
2139.0     0.425    320.0
2140.0     0.425    320.4
2141.0     0.425    320.7
2142.0     0.425    321.1
2143.0     0.425    321.5
2144.0     0.425    321.9
2145.0     0.425    322.2
2146.0     0.425    322.6
2147.0     0.425    323.0
2148.0     0.425    323.4
2149.0     0.425    323.7
2150.0     0.425    324.1
2151.0     0.425    324.5
2152.0     0.425    324.9
2153.0     0.425    325.2
2154.0     0.425    325.6
2155.0     0.425    326.0
2156.0     0.425    326.4
2157.0     0.425    326.7
2158.0     0.425    327.1
2159.0     0.425    327.5
2160.0     0.425    327.9
2161.0     0.425    328.3
2162.0     0.425    328.6
2163.0     0.424    329.0
2164.0     0.424    329.4
2165.0     0.424    329.8
2166.0     0.424    330.1
2167.0     0.424    330.5
2168.0     0.424    330.9
2169.0     0.424    331.3
2170.0     0.424    331.7
2171.0     0.423    332.0
2172.0     0.423    332.4
2173.0     0.423    332.8
2174.0     0.423    333.2
2175.0     0.423    333.6
2176.0     0.423    333.9
2177.0     0.422    334.3
2178.0     0.422    334.7
2179.0     0.422    335.1
2180.0     0.422    335.5
2181.0     0.422    335.9
2182.0     0.422    336.2
2183.0     0.421    336.6
2184.0     0.421    337.0
2185.0     0.421    337.4
2186.0     0.421    337.8
2187.0     0.421    338.2
2188.0     0.420    338.5
2189.0     0.420    338.9
2190.0     0.420    339.3
2191.0     0.420    339.7
2192.0     0.419    340.1






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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