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

Double Star Calculator - Orbit

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

Orbital Elements for STT392AB
WDS: STT392AB WDS ID/Discoverer
P: 270.300 Orbital period (years)
a: 0.26 Semi-major axis (arcseconds)
i: 112.7 Inclination (degrees)
Ω: 140.9 Longitude of ascending node (degrees)
T: 2027.000 Epoch of periastron passage (year)
e: 0.523 Eccentricity
ω: 34.1 Longitude of periastron (degrees)
Start-Year: 1890.0 Year
End-Year: 2160.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT392AB
Position: 195756.12+421538.9 Epoch-2000 right ascension and declination
WDS-ID: 19579+4216 WDS designation
Discoverer Code: STT392AB Discover designation and components
ADS number: 13186 Aitken Double Star catalog
HD number: 189377 HD catalog number
Hipparcos number: 98253 Hipparcos catalog number
V1: 6.6 Magnitude of the primary
V2: 8.4 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1997 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STT392AB



WDS 6th Orbit including measures of STT392AB

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


Ephemeris of STT392AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.115    131.1
-------------------------
1890.0     0.342    306.7
1891.0     0.340    306.5
1892.0     0.339    306.2
1893.0     0.337    306.0
1894.0     0.335    305.7
1895.0     0.334    305.4
1896.0     0.332    305.2
1897.0     0.330    304.9
1898.0     0.328    304.6
1899.0     0.327    304.3
1900.0     0.325    304.1
1901.0     0.323    303.8
1902.0     0.321    303.5
1903.0     0.319    303.2
1904.0     0.317    302.9
1905.0     0.315    302.6
1906.0     0.312    302.3
1907.0     0.310    302.0
1908.0     0.308    301.7
1909.0     0.306    301.4
1910.0     0.303    301.1
1911.0     0.301    300.7
1912.0     0.299    300.4
1913.0     0.296    300.1
1914.0     0.294    299.7
1915.0     0.291    299.4
1916.0     0.289    299.0
1917.0     0.286    298.7
1918.0     0.284    298.3
1919.0     0.281    297.9
1920.0     0.278    297.6
1921.0     0.276    297.2
1922.0     0.273    296.8
1923.0     0.270    296.4
1924.0     0.267    296.0
1925.0     0.265    295.6
1926.0     0.262    295.1
1927.0     0.259    294.7
1928.0     0.256    294.2
1929.0     0.253    293.8
1930.0     0.250    293.3
1931.0     0.247    292.8
1932.0     0.244    292.3
1933.0     0.241    291.8
1934.0     0.238    291.3
1935.0     0.234    290.8
1936.0     0.231    290.2
1937.0     0.228    289.7
1938.0     0.225    289.1
1939.0     0.222    288.5
1940.0     0.218    287.9
1941.0     0.215    287.3
1942.0     0.212    286.6
1943.0     0.209    286.0
1944.0     0.205    285.3
1945.0     0.202    284.6
1946.0     0.199    283.8
1947.0     0.195    283.1
1948.0     0.192    282.3
1949.0     0.189    281.4
1950.0     0.185    280.6
1951.0     0.182    279.7
1952.0     0.178    278.8
1953.0     0.175    277.9
1954.0     0.172    276.9
1955.0     0.168    275.8
1956.0     0.165    274.8
1957.0     0.162    273.7
1958.0     0.158    272.5
1959.0     0.155    271.3
1960.0     0.152    270.1
1961.0     0.149    268.7
1962.0     0.145    267.4
1963.0     0.142    265.9
1964.0     0.139    264.4
1965.0     0.136    262.9
1966.0     0.133    261.3
1967.0     0.130    259.5
1968.0     0.127    257.8
1969.0     0.125    255.9
1970.0     0.122    254.0
1971.0     0.119    251.9
1972.0     0.117    249.8
1973.0     0.115    247.6
1974.0     0.113    245.3
1975.0     0.110    242.9
1976.0     0.109    240.5
1977.0     0.107    237.9
1978.0     0.105    235.3
1979.0     0.104    232.6
1980.0     0.103    229.8
1981.0     0.102    226.9
1982.0     0.101    224.1
1983.0     0.100    221.1
1984.0     0.100    218.2
1985.0     0.100    215.2
1986.0     0.100    212.2
1987.0     0.100    209.2
1988.0     0.100    206.3
1989.0     0.101    203.4
1990.0     0.102    200.5
1991.0     0.103    197.6
1992.0     0.104    194.9
1993.0     0.105    192.2
1994.0     0.107    189.5
1995.0     0.108    187.0
1996.0     0.110    184.5
1997.0     0.112    182.1
1998.0     0.114    179.7
1999.0     0.115    177.5
2000.0     0.117    175.3
2001.0     0.119    173.2
2002.0     0.121    171.1
2003.0     0.123    169.2
2004.0     0.125    167.2
2005.0     0.127    165.4
2006.0     0.129    163.6
2007.0     0.130    161.8
2008.0     0.132    160.1
2009.0     0.133    158.4
2010.0     0.135    156.8
2011.0     0.136    155.1
2012.0     0.136    153.5
2013.0     0.137    151.9
2014.0     0.137    150.4
2015.0     0.137    148.8
2016.0     0.137    147.2
2017.0     0.136    145.6
2018.0     0.135    144.0
2019.0     0.133    142.4
2020.0     0.132    140.7
2021.0     0.129    138.9
2022.0     0.126    137.1
2023.0     0.123    135.2
2024.0     0.120    133.2
2025.0     0.115    131.1
2026.0     0.111    128.8
2027.0     0.106    126.3
2028.0     0.101    123.5
2029.0     0.096    120.4
2030.0     0.090    117.0
2031.0     0.085    113.1
2032.0     0.079    108.7
2033.0     0.074    103.6
2034.0     0.069     97.7
2035.0     0.064     91.0
2036.0     0.060     83.3
2037.0     0.058     74.8
2038.0     0.056     65.6
2039.0     0.056     56.1
2040.0     0.057     46.8
2041.0     0.059     38.0
2042.0     0.063     30.1
2043.0     0.067     23.1
2044.0     0.072     17.0
2045.0     0.078     11.7
2046.0     0.084      7.2
2047.0     0.090      3.3
2048.0     0.097    359.9
2049.0     0.104    357.0
2050.0     0.110    354.4
2051.0     0.117    352.1
2052.0     0.124    350.0
2053.0     0.130    348.2
2054.0     0.137    346.5
2055.0     0.144    345.0
2056.0     0.150    343.7
2057.0     0.157    342.4
2058.0     0.163    341.3
2059.0     0.169    340.2
2060.0     0.175    339.2
2061.0     0.181    338.3
2062.0     0.187    337.4
2063.0     0.193    336.6
2064.0     0.199    335.8
2065.0     0.204    335.1
2066.0     0.210    334.4
2067.0     0.215    333.7
2068.0     0.220    333.1
2069.0     0.225    332.5
2070.0     0.230    331.9
2071.0     0.235    331.4
2072.0     0.240    330.9
2073.0     0.245    330.3
2074.0     0.249    329.9
2075.0     0.254    329.4
2076.0     0.258    328.9
2077.0     0.262    328.5
2078.0     0.266    328.1
2079.0     0.270    327.7
2080.0     0.274    327.3
2081.0     0.278    326.9
2082.0     0.282    326.5
2083.0     0.285    326.1
2084.0     0.289    325.8
2085.0     0.292    325.4
2086.0     0.296    325.1
2087.0     0.299    324.8
2088.0     0.302    324.4
2089.0     0.305    324.1
2090.0     0.308    323.8
2091.0     0.311    323.5
2092.0     0.314    323.2
2093.0     0.316    322.9
2094.0     0.319    322.6
2095.0     0.322    322.3
2096.0     0.324    322.0
2097.0     0.326    321.7
2098.0     0.329    321.5
2099.0     0.331    321.2
2100.0     0.333    320.9
2101.0     0.335    320.6
2102.0     0.337    320.4
2103.0     0.339    320.1
2104.0     0.341    319.9
2105.0     0.343    319.6
2106.0     0.344    319.4
2107.0     0.346    319.1
2108.0     0.347    318.9
2109.0     0.349    318.6
2110.0     0.350    318.4
2111.0     0.351    318.1
2112.0     0.353    317.9
2113.0     0.354    317.7
2114.0     0.355    317.4
2115.0     0.356    317.2
2116.0     0.357    317.0
2117.0     0.358    316.7
2118.0     0.359    316.5
2119.0     0.359    316.3
2120.0     0.360    316.0
2121.0     0.361    315.8
2122.0     0.361    315.6
2123.0     0.362    315.4
2124.0     0.362    315.1
2125.0     0.363    314.9
2126.0     0.363    314.7
2127.0     0.363    314.5
2128.0     0.364    314.2
2129.0     0.364    314.0
2130.0     0.364    313.8
2131.0     0.364    313.6
2132.0     0.364    313.3
2133.0     0.364    313.1
2134.0     0.364    312.9
2135.0     0.364    312.7
2136.0     0.363    312.4
2137.0     0.363    312.2
2138.0     0.363    312.0
2139.0     0.362    311.8
2140.0     0.362    311.5
2141.0     0.361    311.3
2142.0     0.361    311.1
2143.0     0.360    310.9
2144.0     0.359    310.6
2145.0     0.359    310.4
2146.0     0.358    310.2
2147.0     0.357    309.9
2148.0     0.356    309.7
2149.0     0.355    309.5
2150.0     0.354    309.2
2151.0     0.353    309.0
2152.0     0.352    308.8
2153.0     0.351    308.5
2154.0     0.350    308.3
2155.0     0.349    308.0
2156.0     0.348    307.8
2157.0     0.346    307.6
2158.0     0.345    307.3
2159.0     0.344    307.1



 

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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