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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:45:31

Orbital Elements for STF346AB
WDS: STF346AB WDS ID/Discoverer
P: 227.000 Orbital period (years)
a: 0.47 Semi-major axis (arcseconds)
i: 77.5 Inclination (degrees)
Ω: 92.8 Longitude of ascending node (degrees)
T: 1938.500 Epoch of periastron passage (year)
e: 0.73 Eccentricity
ω: 323.0 Longitude of periastron (degrees)
Start-Year: 1912.0 Year
End-Year: 2138.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF346AB
Position: 030526.69+251518.7 Epoch-2000 right ascension and declination
WDS-ID: 03054+2515 WDS designation
Discoverer Code: STF346AB Discover designation and components
ADS number: 2336 Aitken Double Star catalog
HD number: 19134 HD catalog number
Hipparcos number: 14376 Hipparcos catalog number
V1: 6.21 Magnitude of the primary
V2: 6.19 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1980 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STF346AB



WDS 6th Orbit including measures of STF346AB

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


Ephemeris of STF346AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.546    259.7
-------------------------
1912.0     0.425    275.1
1913.0     0.413    275.4
1914.0     0.400    275.7
1915.0     0.387    276.1
1916.0     0.374    276.4
1917.0     0.360    276.8
1918.0     0.346    277.2
1919.0     0.331    277.7
1920.0     0.315    278.2
1921.0     0.299    278.7
1922.0     0.282    279.4
1923.0     0.265    280.0
1924.0     0.247    280.8
1925.0     0.228    281.8
1926.0     0.209    282.8
1927.0     0.188    284.2
1928.0     0.167    285.8
1929.0     0.145    287.9
1930.0     0.122    290.9
1931.0     0.099    295.1
1932.0     0.076    302.1
1933.0     0.053    315.0
1934.0     0.036    342.9
1935.0     0.035     28.3
1936.0     0.051     58.8
1937.0     0.072     73.1
1938.0     0.093     80.8
1939.0     0.112     85.8
1940.0     0.127     89.4
1941.0     0.137     92.4
1942.0     0.144     95.0
1943.0     0.148     97.4
1944.0     0.149     99.8
1945.0     0.148    102.1
1946.0     0.145    104.5
1947.0     0.141    107.1
1948.0     0.136    109.8
1949.0     0.130    112.7
1950.0     0.124    115.9
1951.0     0.117    119.5
1952.0     0.111    123.5
1953.0     0.105    127.9
1954.0     0.099    132.9
1955.0     0.094    138.4
1956.0     0.090    144.6
1957.0     0.086    151.3
1958.0     0.084    158.5
1959.0     0.083    166.0
1960.0     0.083    173.6
1961.0     0.084    181.0
1962.0     0.087    188.1
1963.0     0.091    194.7
1964.0     0.096    200.7
1965.0     0.101    206.1
1966.0     0.108    210.8
1967.0     0.115    215.0
1968.0     0.122    218.7
1969.0     0.130    222.0
1970.0     0.138    224.9
1971.0     0.146    227.5
1972.0     0.154    229.8
1973.0     0.163    231.9
1974.0     0.171    233.7
1975.0     0.180    235.4
1976.0     0.189    236.9
1977.0     0.197    238.3
1978.0     0.206    239.6
1979.0     0.215    240.8
1980.0     0.224    241.9
1981.0     0.232    242.9
1982.0     0.241    243.8
1983.0     0.250    244.6
1984.0     0.258    245.5
1985.0     0.267    246.2
1986.0     0.275    246.9
1987.0     0.283    247.6
1988.0     0.292    248.2
1989.0     0.300    248.8
1990.0     0.308    249.4
1991.0     0.316    249.9
1992.0     0.325    250.4
1993.0     0.333    250.9
1994.0     0.340    251.3
1995.0     0.348    251.8
1996.0     0.356    252.2
1997.0     0.364    252.6
1998.0     0.371    253.0
1999.0     0.379    253.3
2000.0     0.386    253.7
2001.0     0.394    254.0
2002.0     0.401    254.4
2003.0     0.408    254.7
2004.0     0.415    255.0
2005.0     0.423    255.3
2006.0     0.430    255.6
2007.0     0.436    255.8
2008.0     0.443    256.1
2009.0     0.450    256.4
2010.0     0.457    256.6
2011.0     0.463    256.9
2012.0     0.470    257.1
2013.0     0.476    257.3
2014.0     0.482    257.6
2015.0     0.489    257.8
2016.0     0.495    258.0
2017.0     0.501    258.2
2018.0     0.507    258.4
2019.0     0.513    258.6
2020.0     0.518    258.8
2021.0     0.524    259.0
2022.0     0.530    259.2
2023.0     0.535    259.4
2024.0     0.541    259.5
2025.0     0.546    259.7
2026.0     0.551    259.9
2027.0     0.557    260.1
2028.0     0.562    260.2
2029.0     0.567    260.4
2030.0     0.572    260.5
2031.0     0.577    260.7
2032.0     0.581    260.9
2033.0     0.586    261.0
2034.0     0.591    261.2
2035.0     0.595    261.3
2036.0     0.600    261.4
2037.0     0.604    261.6
2038.0     0.608    261.7
2039.0     0.612    261.9
2040.0     0.616    262.0
2041.0     0.620    262.1
2042.0     0.624    262.3
2043.0     0.628    262.4
2044.0     0.632    262.5
2045.0     0.635    262.7
2046.0     0.639    262.8
2047.0     0.642    262.9
2048.0     0.646    263.0
2049.0     0.649    263.2
2050.0     0.652    263.3
2051.0     0.655    263.4
2052.0     0.658    263.5
2053.0     0.661    263.7
2054.0     0.664    263.8
2055.0     0.666    263.9
2056.0     0.669    264.0
2057.0     0.671    264.1
2058.0     0.674    264.2
2059.0     0.676    264.4
2060.0     0.678    264.5
2061.0     0.680    264.6
2062.0     0.682    264.7
2063.0     0.684    264.8
2064.0     0.686    264.9
2065.0     0.688    265.0
2066.0     0.689    265.1
2067.0     0.691    265.2
2068.0     0.692    265.3
2069.0     0.693    265.5
2070.0     0.694    265.6
2071.0     0.696    265.7
2072.0     0.697    265.8
2073.0     0.697    265.9
2074.0     0.698    266.0
2075.0     0.699    266.1
2076.0     0.699    266.2
2077.0     0.700    266.3
2078.0     0.700    266.4
2079.0     0.700    266.5
2080.0     0.700    266.6
2081.0     0.700    266.7
2082.0     0.700    266.8
2083.0     0.700    266.9
2084.0     0.699    267.0
2085.0     0.699    267.2
2086.0     0.698    267.3
2087.0     0.697    267.4
2088.0     0.696    267.5
2089.0     0.695    267.6
2090.0     0.694    267.7
2091.0     0.693    267.8
2092.0     0.692    267.9
2093.0     0.690    268.0
2094.0     0.688    268.1
2095.0     0.687    268.2
2096.0     0.685    268.3
2097.0     0.683    268.5
2098.0     0.680    268.6
2099.0     0.678    268.7
2100.0     0.675    268.8
2101.0     0.673    268.9
2102.0     0.670    269.0
2103.0     0.667    269.1
2104.0     0.664    269.3
2105.0     0.661    269.4
2106.0     0.657    269.5
2107.0     0.653    269.6
2108.0     0.650    269.7
2109.0     0.646    269.9
2110.0     0.642    270.0
2111.0     0.637    270.1
2112.0     0.633    270.2
2113.0     0.628    270.4
2114.0     0.623    270.5
2115.0     0.618    270.6
2116.0     0.613    270.8
2117.0     0.608    270.9
2118.0     0.602    271.1
2119.0     0.596    271.2
2120.0     0.590    271.3
2121.0     0.584    271.5
2122.0     0.577    271.6
2123.0     0.570    271.8
2124.0     0.563    272.0
2125.0     0.556    272.1
2126.0     0.549    272.3
2127.0     0.541    272.5
2128.0     0.533    272.7
2129.0     0.525    272.8
2130.0     0.516    273.0
2131.0     0.507    273.2
2132.0     0.498    273.4
2133.0     0.489    273.6
2134.0     0.479    273.9
2135.0     0.469    274.1
2136.0     0.458    274.3
2137.0     0.447    274.6






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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