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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:37:26

Orbital Elements for STT43

WDS:	STT43	WDS ID/Discoverer
P:	289.200	Orbital period (years)
a:	0.886	Semi-major axis (arcseconds)
i:	124.2	Inclination (degrees)
Ω:	39.0	Longitude of ascending node (degrees)
T:	1804.422	Epoch of periastron passage (year)
e:	0.324	Eccentricity
ω:	203.8	Longitude of periastron (degrees)
Start-Year:	1881.0	Year
End-Year:	2169.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT43

Position:	024042.29+263720.5	Epoch-2000 right ascension and declination
WDS-ID:	02407+2637	WDS designation
Discoverer Code:	STT43	Discover designation and components
ADS number:	2034	Aitken Double Star catalog
HD number:	16638	HD catalog number
Hipparcos number:	12491	Hipparcos catalog number
V1:	7.90	Magnitude of the primary
V2:	9.04	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1999	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for STT43

WDS 6th Orbit including measures of STT43

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

Ephemeris of STT43

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.545    322.0
-------------------------
1881.0     0.922     55.2
1882.0     0.931     54.5
1883.0     0.940     54.0
1884.0     0.949     53.4
1885.0     0.958     52.8
1886.0     0.967     52.2
1887.0     0.976     51.7
1888.0     0.984     51.1
1889.0     0.992     50.6
1890.0     1.000     50.1
1891.0     1.007     49.6
1892.0     1.015     49.1
1893.0     1.022     48.6
1894.0     1.029     48.1
1895.0     1.036     47.6
1896.0     1.043     47.1
1897.0     1.049     46.6
1898.0     1.055     46.2
1899.0     1.061     45.7
1900.0     1.067     45.2
1901.0     1.072     44.8
1902.0     1.078     44.3
1903.0     1.083     43.9
1904.0     1.088     43.4
1905.0     1.093     43.0
1906.0     1.097     42.6
1907.0     1.101     42.1
1908.0     1.105     41.7
1909.0     1.109     41.3
1910.0     1.113     40.9
1911.0     1.116     40.5
1912.0     1.120     40.0
1913.0     1.123     39.6
1914.0     1.126     39.2
1915.0     1.128     38.8
1916.0     1.131     38.4
1917.0     1.133     38.0
1918.0     1.135     37.6
1919.0     1.137     37.2
1920.0     1.139     36.8
1921.0     1.140     36.4
1922.0     1.141     36.0
1923.0     1.143     35.6
1924.0     1.143     35.2
1925.0     1.144     34.8
1926.0     1.145     34.4
1927.0     1.145     34.0
1928.0     1.145     33.6
1929.0     1.145     33.2
1930.0     1.145     32.8
1931.0     1.144     32.4
1932.0     1.144     32.0
1933.0     1.143     31.6
1934.0     1.142     31.2
1935.0     1.141     30.8
1936.0     1.139     30.4
1937.0     1.138     30.0
1938.0     1.136     29.6
1939.0     1.134     29.2
1940.0     1.132     28.8
1941.0     1.130     28.4
1942.0     1.128     28.0
1943.0     1.125     27.6
1944.0     1.122     27.2
1945.0     1.119     26.8
1946.0     1.116     26.3
1947.0     1.113     25.9
1948.0     1.109     25.5
1949.0     1.106     25.1
1950.0     1.102     24.7
1951.0     1.098     24.2
1952.0     1.094     23.8
1953.0     1.090     23.4
1954.0     1.085     22.9
1955.0     1.081     22.5
1956.0     1.076     22.0
1957.0     1.071     21.6
1958.0     1.066     21.1
1959.0     1.061     20.7
1960.0     1.056     20.2
1961.0     1.050     19.7
1962.0     1.045     19.3
1963.0     1.039     18.8
1964.0     1.033     18.3
1965.0     1.027     17.8
1966.0     1.021     17.3
1967.0     1.014     16.8
1968.0     1.008     16.3
1969.0     1.001     15.8
1970.0     0.995     15.3
1971.0     0.988     14.7
1972.0     0.981     14.2
1973.0     0.974     13.7
1974.0     0.967     13.1
1975.0     0.959     12.5
1976.0     0.952     12.0
1977.0     0.944     11.4
1978.0     0.937     10.8
1979.0     0.929     10.2
1980.0     0.921      9.6
1981.0     0.913      9.0
1982.0     0.905      8.4
1983.0     0.897      7.7
1984.0     0.888      7.1
1985.0     0.880      6.4
1986.0     0.872      5.7
1987.0     0.863      5.0
1988.0     0.855      4.3
1989.0     0.846      3.6
1990.0     0.837      2.9
1991.0     0.828      2.1
1992.0     0.820      1.4
1993.0     0.811      0.6
1994.0     0.802    359.8
1995.0     0.793    359.0
1996.0     0.784    358.1
1997.0     0.775    357.3
1998.0     0.766    356.4
1999.0     0.757    355.5
2000.0     0.747    354.6
2001.0     0.738    353.6
2002.0     0.729    352.7
2003.0     0.720    351.7
2004.0     0.711    350.7
2005.0     0.702    349.6
2006.0     0.693    348.6
2007.0     0.684    347.5
2008.0     0.675    346.3
2009.0     0.666    345.2
2010.0     0.658    344.0
2011.0     0.649    342.8
2012.0     0.641    341.5
2013.0     0.632    340.2
2014.0     0.624    338.9
2015.0     0.616    337.6
2016.0     0.608    336.2
2017.0     0.600    334.8
2018.0     0.592    333.3
2019.0     0.585    331.8
2020.0     0.578    330.3
2021.0     0.571    328.7
2022.0     0.564    327.1
2023.0     0.557    325.4
2024.0     0.551    323.7
2025.0     0.545    322.0
2026.0     0.539    320.2
2027.0     0.534    318.4
2028.0     0.529    316.6
2029.0     0.524    314.7
2030.0     0.520    312.8
2031.0     0.516    310.9
2032.0     0.513    308.9
2033.0     0.509    306.9
2034.0     0.507    304.9
2035.0     0.504    302.9
2036.0     0.502    300.8
2037.0     0.501    298.8
2038.0     0.500    296.7
2039.0     0.499    294.6
2040.0     0.499    292.5
2041.0     0.499    290.4
2042.0     0.499    288.3
2043.0     0.500    286.2
2044.0     0.501    284.2
2045.0     0.503    282.1
2046.0     0.505    280.1
2047.0     0.507    278.0
2048.0     0.510    276.0
2049.0     0.513    274.0
2050.0     0.516    272.1
2051.0     0.520    270.1
2052.0     0.524    268.2
2053.0     0.528    266.4
2054.0     0.532    264.5
2055.0     0.536    262.7
2056.0     0.540    260.9
2057.0     0.545    259.1
2058.0     0.550    257.4
2059.0     0.554    255.7
2060.0     0.559    254.0
2061.0     0.564    252.4
2062.0     0.569    250.7
2063.0     0.573    249.1
2064.0     0.578    247.6
2065.0     0.583    246.0
2066.0     0.587    244.5
2067.0     0.591    243.0
2068.0     0.595    241.5
2069.0     0.599    240.1
2070.0     0.602    238.6
2071.0     0.606    237.2
2072.0     0.608    235.8
2073.0     0.611    234.4
2074.0     0.613    233.0
2075.0     0.615    231.6
2076.0     0.617    230.3
2077.0     0.618    228.9
2078.0     0.618    227.5
2079.0     0.619    226.2
2080.0     0.618    224.8
2081.0     0.618    223.5
2082.0     0.616    222.1
2083.0     0.615    220.7
2084.0     0.612    219.4
2085.0     0.610    218.0
2086.0     0.606    216.6
2087.0     0.602    215.1
2088.0     0.598    213.7
2089.0     0.593    212.2
2090.0     0.588    210.7
2091.0     0.582    209.2
2092.0     0.576    207.7
2093.0     0.569    206.1
2094.0     0.562    204.5
2095.0     0.554    202.8
2096.0     0.546    201.1
2097.0     0.538    199.3
2098.0     0.530    197.5
2099.0     0.521    195.6
2100.0     0.512    193.6
2101.0     0.503    191.6
2102.0     0.493    189.5
2103.0     0.484    187.4
2104.0     0.475    185.1
2105.0     0.466    182.8
2106.0     0.457    180.3
2107.0     0.448    177.8
2108.0     0.440    175.1
2109.0     0.432    172.4
2110.0     0.424    169.6
2111.0     0.417    166.6
2112.0     0.411    163.6
2113.0     0.405    160.5
2114.0     0.400    157.3
2115.0     0.396    154.0
2116.0     0.393    150.6
2117.0     0.390    147.2
2118.0     0.389    143.8
2119.0     0.388    140.4
2120.0     0.389    136.9
2121.0     0.391    133.5
2122.0     0.393    130.1
2123.0     0.397    126.8
2124.0     0.401    123.5
2125.0     0.407    120.3
2126.0     0.413    117.2
2127.0     0.420    114.2
2128.0     0.428    111.3
2129.0     0.436    108.6
2130.0     0.445    105.9
2131.0     0.455    103.3
2132.0     0.465    100.9
2133.0     0.476     98.5
2134.0     0.487     96.3
2135.0     0.499     94.1
2136.0     0.511     92.1
2137.0     0.523     90.2
2138.0     0.535     88.3
2139.0     0.548     86.5
2140.0     0.561     84.8
2141.0     0.573     83.2
2142.0     0.586     81.7
2143.0     0.599     80.2
2144.0     0.613     78.8
2145.0     0.626     77.4
2146.0     0.639     76.1
2147.0     0.652     74.9
2148.0     0.665     73.7
2149.0     0.678     72.5
2150.0     0.691     71.4
2151.0     0.703     70.4
2152.0     0.716     69.3
2153.0     0.729     68.3
2154.0     0.741     67.4
2155.0     0.754     66.4
2156.0     0.766     65.5
2157.0     0.778     64.7
2158.0     0.790     63.8
2159.0     0.802     63.0
2160.0     0.813     62.2
2161.0     0.825     61.4
2162.0     0.836     60.7
2163.0     0.847     59.9
2164.0     0.858     59.2
2165.0     0.869     58.5
2166.0     0.879     57.8
2167.0     0.890     57.2
2168.0     0.900     56.5

Disclaimer

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.