Double Star Calculator - Orbit

Orbital Elements for HDS3257
WDS: HDS3257 WDS ID/Discoverer
P: 249.140 Orbital period (years)
a: 0.344 Semi-major axis (arcseconds)
i: 67.1 Inclination (degrees)
Ω: 51.2 Longitude of ascending node (degrees)
T: 2007.000 Epoch of periastron passage (year)
e: 0.415 Eccentricity
ω: 20.9 Longitude of periastron (degrees)
Start-Year: 1900.43 Year
End-Year: 2149.57 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS3257
Position: 225437.10+105352.8 Epoch-2000 right ascension and declination
WDS-ID: 22546+1054 WDS designation
Discoverer Code: HDS3257 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 216674 HD catalog number
Hipparcos number: 113134 Hipparcos catalog number
V1: 8.90 Magnitude of the primary
V2: 9.69 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2015c Reference

Double Star Orbit for HDS3257



WDS 6th Orbit including measures of HDS3257

-- 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 HDS3257
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.096   132.17
--------------------------
1900.43    0.415   245.30
1901.43    0.412   245.65
1902.43    0.409   246.01
1903.43    0.405   246.38
1904.43    0.402   246.75
1905.43    0.398   247.13
1906.43    0.394   247.51
1907.43    0.391   247.91
1908.43    0.387   248.31
1909.43    0.383   248.72
1910.43    0.379   249.13
1911.43    0.375   249.56
1912.43    0.371   249.99
1913.43    0.367   250.44
1914.43    0.362   250.90
1915.43    0.358   251.36
1916.43    0.353   251.84
1917.43    0.349   252.33
1918.43    0.344   252.83
1919.43    0.340   253.35
1920.43    0.335   253.88
1921.43    0.330   254.43
1922.43    0.326   254.99
1923.43    0.321   255.57
1924.43    0.316   256.17
1925.43    0.311   256.79
1926.43    0.306   257.42
1927.43    0.301   258.08
1928.43    0.296   258.76
1929.43    0.290   259.47
1930.43    0.285   260.20
1931.43    0.280   260.96
1932.43    0.275   261.75
1933.43    0.269   262.57
1934.43    0.264   263.42
1935.43    0.258   264.31
1936.43    0.253   265.23
1937.43    0.247   266.20
1938.43    0.242   267.21
1939.43    0.237   268.27
1940.43    0.231   269.38
1941.43    0.226   270.54
1942.43    0.220   271.76
1943.43    0.215   273.04
1944.43    0.209   274.38
1945.43    0.204   275.80
1946.43    0.199   277.30
1947.43    0.193   278.88
1948.43    0.188   280.54
1949.43    0.183   282.30
1950.43    0.178   284.16
1951.43    0.173   286.13
1952.43    0.168   288.21
1953.43    0.164   290.41
1954.43    0.159   292.74
1955.43    0.155   295.20
1956.43    0.151   297.79
1957.43    0.147   300.52
1958.43    0.143   303.40
1959.43    0.140   306.41
1960.43    0.137   309.55
1961.43    0.135   312.83
1962.43    0.133   316.22
1963.43    0.131   319.72
1964.43    0.129   323.30
1965.43    0.128   326.95
1966.43    0.128   330.65
1967.43    0.128   334.36
1968.43    0.128   338.07
1969.43    0.129   341.75
1970.43    0.130   345.37
1971.43    0.131   348.91
1972.43    0.133   352.36
1973.43    0.136   355.71
1974.43    0.138   358.93
1975.43    0.141     2.04
1976.43    0.144     5.01
1977.43    0.148     7.85
1978.43    0.151    10.56
1979.43    0.155    13.15
1980.43    0.159    15.62
1981.43    0.162    17.97
1982.43    0.166    20.21
1983.43    0.170    22.36
1984.43    0.174    24.40
1985.43    0.178    26.36
1986.43    0.181    28.24
1987.43    0.185    30.04
1988.43    0.188    31.78
1989.43    0.192    33.46
1990.43    0.195    35.08
1991.43    0.197    36.66
1992.43    0.200    38.19
1993.43    0.202    39.69
1994.43    0.204    41.16
1995.43    0.205    42.61
1996.43    0.206    44.04
1997.43    0.207    45.45
1998.43    0.207    46.86
1999.43    0.207    48.27
2000.43    0.206    49.69
2001.43    0.205    51.12
2002.43    0.204    52.56
2003.43    0.202    54.04
2004.43    0.199    55.55
2005.43    0.196    57.10
2006.43    0.192    58.71
2007.43    0.188    60.38
2008.43    0.184    62.13
2009.43    0.179    63.97
2010.43    0.174    65.91
2011.43    0.168    67.98
2012.43    0.162    70.19
2013.43    0.156    72.58
2014.43    0.150    75.15
2015.43    0.144    77.95
2016.43    0.138    81.01
2017.43    0.131    84.36
2018.43    0.125    88.05
2019.43    0.119    92.10
2020.43    0.114    96.57
2021.43    0.109   101.46
2022.43    0.104   106.79
2023.43    0.101   112.55
2024.43    0.098   118.69
2025.43    0.096   125.12
2026.43    0.096   131.71
2027.43    0.096   138.32
2028.43    0.097   144.80
2029.43    0.100   151.02
2030.43    0.104   156.87
2031.43    0.108   162.30
2032.43    0.113   167.28
2033.43    0.119   171.80
2034.43    0.125   175.89
2035.43    0.131   179.57
2036.43    0.138   182.90
2037.43    0.146   185.90
2038.43    0.153   188.62
2039.43    0.161   191.08
2040.43    0.168   193.32
2041.43    0.176   195.37
2042.43    0.184   197.24
2043.43    0.192   198.95
2044.43    0.199   200.54
2045.43    0.207   202.00
2046.43    0.215   203.36
2047.43    0.222   204.63
2048.43    0.230   205.81
2049.43    0.238   206.92
2050.43    0.245   207.96
2051.43    0.252   208.94
2052.43    0.260   209.86
2053.43    0.267   210.74
2054.43    0.274   211.57
2055.43    0.281   212.36
2056.43    0.287   213.11
2057.43    0.294   213.82
2058.43    0.301   214.51
2059.43    0.307   215.16
2060.43    0.313   215.79
2061.43    0.320   216.40
2062.43    0.326   216.98
2063.43    0.332   217.54
2064.43    0.337   218.08
2065.43    0.343   218.60
2066.43    0.349   219.11
2067.43    0.354   219.60
2068.43    0.359   220.08
2069.43    0.365   220.54
2070.43    0.370   220.99
2071.43    0.375   221.42
2072.43    0.379   221.85
2073.43    0.384   222.27
2074.43    0.389   222.67
2075.43    0.393   223.07
2076.43    0.397   223.46
2077.43    0.401   223.84
2078.43    0.406   224.21
2079.43    0.409   224.57
2080.43    0.413   224.93
2081.43    0.417   225.28
2082.43    0.420   225.63
2083.43    0.424   225.97
2084.43    0.427   226.30
2085.43    0.430   226.63
2086.43    0.434   226.95
2087.43    0.437   227.27
2088.43    0.439   227.59
2089.43    0.442   227.90
2090.43    0.445   228.21
2091.43    0.447   228.51
2092.43    0.450   228.81
2093.43    0.452   229.11
2094.43    0.454   229.41
2095.43    0.456   229.70
2096.43    0.458   229.99
2097.43    0.460   230.28
2098.43    0.462   230.56
2099.43    0.463   230.84
2100.43    0.465   231.13
2101.43    0.466   231.41
2102.43    0.467   231.68
2103.43    0.469   231.96
2104.43    0.470   232.24
2105.43    0.471   232.51
2106.43    0.471   232.78
2107.43    0.472   233.05
2108.43    0.473   233.33
2109.43    0.473   233.60
2110.43    0.474   233.87
2111.43    0.474   234.14
2112.43    0.474   234.40
2113.43    0.474   234.67
2114.43    0.474   234.94
2115.43    0.474   235.21
2116.43    0.474   235.48
2117.43    0.474   235.75
2118.43    0.474   236.02
2119.43    0.473   236.29
2120.43    0.473   236.56
2121.43    0.472   236.83
2122.43    0.471   237.10
2123.43    0.470   237.38
2124.43    0.469   237.65
2125.43    0.468   237.93
2126.43    0.467   238.20
2127.43    0.466   238.48
2128.43    0.465   238.76
2129.43    0.463   239.04
2130.43    0.462   239.33
2131.43    0.460   239.61
2132.43    0.458   239.90
2133.43    0.456   240.19
2134.43    0.455   240.48
2135.43    0.453   240.77
2136.43    0.451   241.07
2137.43    0.448   241.37
2138.43    0.446   241.67
2139.43    0.444   241.98
2140.43    0.441   242.29
2141.43    0.439   242.60
2142.43    0.436   242.92
2143.43    0.434   243.24
2144.43    0.431   243.56
2145.43    0.428   243.89
2146.43    0.425   244.22
2147.43    0.422   244.56
2148.43    0.419   244.90
2149.43    0.416   245.25






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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 18:45:00



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