Double Star Calculator - Orbit

Orbital Elements for STT448

WDS:	STT448	WDS ID/Discoverer
P:	251.600	Orbital period (years)
a:	0.464	Semi-major axis (arcseconds)
i:	159.3	Inclination (degrees)
Ω:	22.6	Longitude of ascending node (degrees)
T:	2013.610	Epoch of periastron passage (year)
e:	0.805	Eccentricity
ω:	325.0	Longitude of periastron (degrees)
Start-Year:	1899.2	Year
End-Year:	2150.8	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT448
Position:	214100.68+292025.5	Epoch-2000 right ascension and declination
WDS-ID:	21410+2920	WDS designation
Discoverer Code:	STT448	Discover designation and components
ADS number:	15215	Aitken Double Star catalog
HD number:	206373	HD catalog number
Hipparcos number:	107060	Hipparcos catalog number
V1:	8.93	Magnitude of the primary
V2:	9.17	Magnitude of the secondary
Equinox:		Equinox
Date:	2023	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Doc2025a	Reference

Double Star Orbit for STT448

WDS 6th Orbit including measures of STT448

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

Legend:

Green plus signs:	Visual (micrometric) measures
Violet asterisks:	Photographic measures
Blue symbols:	Various interferometric techniques
Dot-dash line:	Indicates the line of nodes

Ephemeris of STT448

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.245   300.23
--------------------------
1899.20    0.818   232.93
1900.20    0.817   232.67
1901.20    0.817   232.42
1902.20    0.816   232.16
1903.20    0.815   231.90
1904.20    0.814   231.65
1905.20    0.813   231.39
1906.20    0.812   231.13
1907.20    0.811   230.87
1908.20    0.810   230.61
1909.20    0.809   230.35
1910.20    0.807   230.09
1911.20    0.806   229.82
1912.20    0.804   229.56
1913.20    0.803   229.29
1914.20    0.801   229.03
1915.20    0.799   228.76
1916.20    0.798   228.49
1917.20    0.796   228.22
1918.20    0.794   227.95
1919.20    0.792   227.68
1920.20    0.790   227.41
1921.20    0.787   227.13
1922.20    0.785   226.86
1923.20    0.783   226.58
1924.20    0.780   226.30
1925.20    0.778   226.02
1926.20    0.775   225.73
1927.20    0.773   225.45
1928.20    0.770   225.16
1929.20    0.767   224.87
1930.20    0.764   224.58
1931.20    0.761   224.29
1932.20    0.758   223.99
1933.20    0.755   223.69
1934.20    0.752   223.39
1935.20    0.748   223.09
1936.20    0.745   222.78
1937.20    0.741   222.47
1938.20    0.738   222.16
1939.20    0.734   221.84
1940.20    0.730   221.52
1941.20    0.726   221.20
1942.20    0.722   220.87
1943.20    0.718   220.55
1944.20    0.714   220.21
1945.20    0.710   219.87
1946.20    0.706   219.53
1947.20    0.701   219.19
1948.20    0.697   218.84
1949.20    0.692   218.48
1950.20    0.687   218.12
1951.20    0.682   217.76
1952.20    0.677   217.39
1953.20    0.672   217.01
1954.20    0.667   216.63
1955.20    0.662   216.25
1956.20    0.657   215.85
1957.20    0.651   215.45
1958.20    0.645   215.05
1959.20    0.640   214.63
1960.20    0.634   214.21
1961.20    0.628   213.78
1962.20    0.622   213.34
1963.20    0.616   212.90
1964.20    0.609   212.44
1965.20    0.603   211.98
1966.20    0.596   211.50
1967.20    0.590   211.01
1968.20    0.583   210.52
1969.20    0.576   210.01
1970.20    0.569   209.49
1971.20    0.561   208.95
1972.20    0.554   208.40
1973.20    0.546   207.84
1974.20    0.539   207.25
1975.20    0.531   206.66
1976.20    0.523   206.04
1977.20    0.515   205.41
1978.20    0.506   204.75
1979.20    0.498   204.07
1980.20    0.489   203.37
1981.20    0.480   202.64
1982.20    0.471   201.88
1983.20    0.462   201.10
1984.20    0.452   200.28
1985.20    0.442   199.42
1986.20    0.432   198.53
1987.20    0.422   197.59
1988.20    0.412   196.61
1989.20    0.401   195.58
1990.20    0.390   194.49
1991.20    0.379   193.33
1992.20    0.368   192.11
1993.20    0.356   190.80
1994.20    0.344   189.41
1995.20    0.332   187.91
1996.20    0.319   186.30
1997.20    0.307   184.56
1998.20    0.293   182.66
1999.20    0.280   180.57
2000.20    0.266   178.27
2001.20    0.251   175.72
2002.20    0.237   172.84
2003.20    0.222   169.59
2004.20    0.206   165.84
2005.20    0.190   161.49
2006.20    0.174   156.33
2007.20    0.158   150.12
2008.20    0.142   142.49
2009.20    0.126   132.92
2010.20    0.112   120.75
2011.20    0.099   105.29
2012.20    0.091    86.29
2013.20    0.088    64.81
2014.20    0.091    43.24
2015.20    0.098    23.84
2016.20    0.108     7.58
2017.20    0.120   354.33
2018.20    0.133   343.58
2019.20    0.146   334.78
2020.20    0.160   327.49
2021.20    0.174   321.36
2022.20    0.188   316.14
2023.20    0.202   311.63
2024.20    0.215   307.68
2025.20    0.228   304.20
2026.20    0.241   301.10
2027.20    0.254   298.31
2028.20    0.267   295.79
2029.20    0.279   293.49
2030.20    0.291   291.38
2031.20    0.303   289.44
2032.20    0.314   287.64
2033.20    0.326   285.97
2034.20    0.337   284.41
2035.20    0.348   282.95
2036.20    0.358   281.57
2037.20    0.369   280.28
2038.20    0.379   279.06
2039.20    0.389   277.90
2040.20    0.399   276.79
2041.20    0.409   275.74
2042.20    0.418   274.74
2043.20    0.427   273.79
2044.20    0.437   272.87
2045.20    0.446   271.99
2046.20    0.454   271.15
2047.20    0.463   270.33
2048.20    0.472   269.55
2049.20    0.480   268.79
2050.20    0.488   268.07
2051.20    0.496   267.36
2052.20    0.504   266.68
2053.20    0.512   266.01
2054.20    0.520   265.37
2055.20    0.527   264.75
2056.20    0.535   264.14
2057.20    0.542   263.55
2058.20    0.549   262.97
2059.20    0.556   262.41
2060.20    0.563   261.87
2061.20    0.570   261.33
2062.20    0.576   260.81
2063.20    0.583   260.30
2064.20    0.589   259.81
2065.20    0.596   259.32
2066.20    0.602   258.84
2067.20    0.608   258.38
2068.20    0.614   257.92
2069.20    0.620   257.47
2070.20    0.626   257.03
2071.20    0.631   256.59
2072.20    0.637   256.17
2073.20    0.642   255.75
2074.20    0.648   255.34
2075.20    0.653   254.94
2076.20    0.658   254.54
2077.20    0.663   254.15
2078.20    0.668   253.76
2079.20    0.673   253.38
2080.20    0.678   253.01
2081.20    0.683   252.64
2082.20    0.687   252.27
2083.20    0.692   251.91
2084.20    0.696   251.56
2085.20    0.701   251.21
2086.20    0.705   250.86
2087.20    0.709   250.52
2088.20    0.713   250.18
2089.20    0.717   249.85
2090.20    0.721   249.52
2091.20    0.725   249.19
2092.20    0.729   248.87
2093.20    0.732   248.55
2094.20    0.736   248.23
2095.20    0.740   247.91
2096.20    0.743   247.60
2097.20    0.746   247.29
2098.20    0.750   246.99
2099.20    0.753   246.69
2100.20    0.756   246.39
2101.20    0.759   246.09
2102.20    0.762   245.79
2103.20    0.765   245.50
2104.20    0.768   245.21
2105.20    0.771   244.92
2106.20    0.773   244.63
2107.20    0.776   244.35
2108.20    0.778   244.06
2109.20    0.781   243.78
2110.20    0.783   243.50
2111.20    0.785   243.23
2112.20    0.788   242.95
2113.20    0.790   242.67
2114.20    0.792   242.40
2115.20    0.794   242.13
2116.20    0.796   241.86
2117.20    0.798   241.59
2118.20    0.799   241.32
2119.20    0.801   241.05
2120.20    0.803   240.79
2121.20    0.804   240.52
2122.20    0.806   240.26
2123.20    0.807   240.00
2124.20    0.808   239.73
2125.20    0.810   239.47
2126.20    0.811   239.21
2127.20    0.812   238.95
2128.20    0.813   238.69
2129.20    0.814   238.44
2130.20    0.815   238.18
2131.20    0.816   237.92
2132.20    0.817   237.66
2133.20    0.817   237.41
2134.20    0.818   237.15
2135.20    0.819   236.90
2136.20    0.819   236.64
2137.20    0.819   236.39
2138.20    0.820   236.13
2139.20    0.820   235.88
2140.20    0.820   235.62
2141.20    0.820   235.37
2142.20    0.820   235.12
2143.20    0.820   234.86
2144.20    0.820   234.61
2145.20    0.820   234.35
2146.20    0.820   234.10
2147.20    0.820   233.85
2148.20    0.819   233.59
2149.20    0.819   233.34
2150.20    0.818   233.08

Disclaimer

This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 18:28:28