Double Star Calculator - Orbit

Orbital Elements for I1206AB
WDS: I1206AB WDS ID/Discoverer
P: 400.000 Orbital period (years)
a: 0.325 Semi-major axis (arcseconds)
i: 110.4 Inclination (degrees)
Ω: 11.8 Longitude of ascending node (degrees)
T: 2273.500 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 121.3 Longitude of periastron (degrees)
Start-Year: 1825.0 Year
End-Year: 2225.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for I1206AB
Position: 105519.86-352949.8 Epoch-2000 right ascension and declination
WDS-ID: 10553-3530 WDS designation
Discoverer Code: I1206AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 94693 HD catalog number
Hipparcos number: 53399 Hipparcos catalog number
V1: 8.6 Magnitude of the primary
V2: 9.1 Magnitude of the secondary
Equinox: Equinox
Date: 2021 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2021f Reference

Double Star Orbit for I1206AB



WDS 6th Orbit including measures of I1206AB

-- 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 I1206AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.171    72.71
--------------------------
1825.00    0.230   358.75
1826.00    0.225   358.16
1827.00    0.220   357.54
1828.00    0.215   356.90
1829.00    0.211   356.24
1830.00    0.206   355.53
1831.00    0.201   354.80
1832.00    0.196   354.03
1833.00    0.191   353.21
1834.00    0.185   352.35
1835.00    0.180   351.44
1836.00    0.175   350.48
1837.00    0.169   349.45
1838.00    0.164   348.36
1839.00    0.159   347.20
1840.00    0.153   345.95
1841.00    0.148   344.61
1842.00    0.142   343.16
1843.00    0.137   341.60
1844.00    0.131   339.91
1845.00    0.126   338.07
1846.00    0.121   336.07
1847.00    0.115   333.88
1848.00    0.110   331.48
1849.00    0.105   328.85
1850.00    0.100   325.95
1851.00    0.095   322.76
1852.00    0.091   319.24
1853.00    0.087   315.37
1854.00    0.083   311.12
1855.00    0.079   306.48
1856.00    0.076   301.45
1857.00    0.074   296.07
1858.00    0.072   290.38
1859.00    0.071   284.46
1860.00    0.071   278.42
1861.00    0.071   272.39
1862.00    0.072   266.47
1863.00    0.074   260.77
1864.00    0.076   255.38
1865.00    0.079   250.35
1866.00    0.083   245.70
1867.00    0.086   241.44
1868.00    0.090   237.55
1869.00    0.095   234.01
1870.00    0.099   230.79
1871.00    0.104   227.86
1872.00    0.109   225.20
1873.00    0.114   222.76
1874.00    0.119   220.54
1875.00    0.124   218.49
1876.00    0.130   216.61
1877.00    0.135   214.86
1878.00    0.140   213.25
1879.00    0.145   211.75
1880.00    0.150   210.34
1881.00    0.154   209.03
1882.00    0.159   207.80
1883.00    0.164   206.63
1884.00    0.168   205.53
1885.00    0.173   204.49
1886.00    0.177   203.50
1887.00    0.181   202.55
1888.00    0.185   201.65
1889.00    0.189   200.78
1890.00    0.193   199.95
1891.00    0.197   199.15
1892.00    0.200   198.38
1893.00    0.203   197.63
1894.00    0.206   196.91
1895.00    0.209   196.20
1896.00    0.212   195.52
1897.00    0.215   194.85
1898.00    0.218   194.21
1899.00    0.220   193.57
1900.00    0.222   192.95
1901.00    0.224   192.34
1902.00    0.226   191.74
1903.00    0.228   191.15
1904.00    0.230   190.57
1905.00    0.231   190.00
1906.00    0.233   189.44
1907.00    0.234   188.88
1908.00    0.235   188.33
1909.00    0.236   187.78
1910.00    0.237   187.24
1911.00    0.238   186.70
1912.00    0.238   186.16
1913.00    0.239   185.63
1914.00    0.239   185.10
1915.00    0.240   184.57
1916.00    0.240   184.04
1917.00    0.240   183.52
1918.00    0.240   182.99
1919.00    0.240   182.46
1920.00    0.240   181.94
1921.00    0.240   181.41
1922.00    0.239   180.88
1923.00    0.239   180.35
1924.00    0.238   179.81
1925.00    0.238   179.28
1926.00    0.237   178.74
1927.00    0.236   178.20
1928.00    0.236   177.65
1929.00    0.235   177.11
1930.00    0.234   176.55
1931.00    0.233   175.99
1932.00    0.232   175.43
1933.00    0.231   174.86
1934.00    0.230   174.29
1935.00    0.228   173.71
1936.00    0.227   173.12
1937.00    0.226   172.53
1938.00    0.224   171.93
1939.00    0.223   171.33
1940.00    0.221   170.71
1941.00    0.220   170.09
1942.00    0.218   169.46
1943.00    0.217   168.81
1944.00    0.215   168.16
1945.00    0.214   167.50
1946.00    0.212   166.83
1947.00    0.210   166.15
1948.00    0.209   165.46
1949.00    0.207   164.76
1950.00    0.205   164.05
1951.00    0.204   163.32
1952.00    0.202   162.58
1953.00    0.200   161.83
1954.00    0.198   161.06
1955.00    0.196   160.28
1956.00    0.195   159.49
1957.00    0.193   158.68
1958.00    0.191   157.85
1959.00    0.189   157.01
1960.00    0.187   156.16
1961.00    0.186   155.29
1962.00    0.184   154.40
1963.00    0.182   153.49
1964.00    0.180   152.56
1965.00    0.179   151.62
1966.00    0.177   150.66
1967.00    0.175   149.68
1968.00    0.173   148.68
1969.00    0.172   147.66
1970.00    0.170   146.62
1971.00    0.169   145.56
1972.00    0.167   144.48
1973.00    0.165   143.38
1974.00    0.164   142.26
1975.00    0.162   141.12
1976.00    0.161   139.96
1977.00    0.160   138.78
1978.00    0.158   137.57
1979.00    0.157   136.35
1980.00    0.156   135.11
1981.00    0.154   133.84
1982.00    0.153   132.56
1983.00    0.152   131.25
1984.00    0.151   129.93
1985.00    0.150   128.59
1986.00    0.149   127.24
1987.00    0.148   125.87
1988.00    0.148   124.48
1989.00    0.147   123.08
1990.00    0.146   121.66
1991.00    0.146   120.23
1992.00    0.145   118.79
1993.00    0.145   117.35
1994.00    0.144   115.89
1995.00    0.144   114.43
1996.00    0.144   112.96
1997.00    0.144   111.49
1998.00    0.144   110.01
1999.00    0.144   108.54
2000.00    0.144   107.07
2001.00    0.144   105.59
2002.00    0.144   104.13
2003.00    0.144   102.67
2004.00    0.145   101.21
2005.00    0.145    99.77
2006.00    0.146    98.33
2007.00    0.146    96.91
2008.00    0.147    95.50
2009.00    0.148    94.10
2010.00    0.149    92.72
2011.00    0.150    91.35
2012.00    0.151    90.01
2013.00    0.152    88.67
2014.00    0.153    87.36
2015.00    0.154    86.07
2016.00    0.155    84.80
2017.00    0.156    83.54
2018.00    0.158    82.31
2019.00    0.159    81.10
2020.00    0.161    79.91
2021.00    0.162    78.74
2022.00    0.164    77.60
2023.00    0.165    76.47
2024.00    0.167    75.37
2025.00    0.168    74.29
2026.00    0.170    73.23
2027.00    0.172    72.19
2028.00    0.174    71.18
2029.00    0.176    70.18
2030.00    0.177    69.21
2031.00    0.179    68.25
2032.00    0.181    67.32
2033.00    0.183    66.40
2034.00    0.185    65.51
2035.00    0.187    64.63
2036.00    0.189    63.78
2037.00    0.191    62.94
2038.00    0.193    62.12
2039.00    0.196    61.32
2040.00    0.198    60.53
2041.00    0.200    59.76
2042.00    0.202    59.01
2043.00    0.204    58.27
2044.00    0.206    57.55
2045.00    0.209    56.85
2046.00    0.211    56.16
2047.00    0.213    55.48
2048.00    0.215    54.82
2049.00    0.217    54.17
2050.00    0.220    53.53
2051.00    0.222    52.91
2052.00    0.224    52.30
2053.00    0.226    51.70
2054.00    0.229    51.12
2055.00    0.231    50.54
2056.00    0.233    49.98
2057.00    0.236    49.43
2058.00    0.238    48.88
2059.00    0.240    48.35
2060.00    0.242    47.83
2061.00    0.245    47.32
2062.00    0.247    46.81
2063.00    0.249    46.32
2064.00    0.251    45.84
2065.00    0.254    45.36
2066.00    0.256    44.89
2067.00    0.258    44.43
2068.00    0.260    43.98
2069.00    0.263    43.54
2070.00    0.265    43.10
2071.00    0.267    42.67
2072.00    0.269    42.25
2073.00    0.271    41.83
2074.00    0.274    41.42
2075.00    0.276    41.02
2076.00    0.278    40.62
2077.00    0.280    40.23
2078.00    0.282    39.85
2079.00    0.284    39.47
2080.00    0.286    39.10
2081.00    0.288    38.73
2082.00    0.291    38.37
2083.00    0.293    38.01
2084.00    0.295    37.66
2085.00    0.297    37.31
2086.00    0.299    36.97
2087.00    0.301    36.63
2088.00    0.303    36.29
2089.00    0.305    35.97
2090.00    0.307    35.64
2091.00    0.308    35.32
2092.00    0.310    35.00
2093.00    0.312    34.69
2094.00    0.314    34.38
2095.00    0.316    34.07
2096.00    0.318    33.77
2097.00    0.320    33.47
2098.00    0.321    33.18
2099.00    0.323    32.88
2100.00    0.325    32.60
2101.00    0.327    32.31
2102.00    0.328    32.03
2103.00    0.330    31.75
2104.00    0.332    31.47
2105.00    0.333    31.19
2106.00    0.335    30.92
2107.00    0.337    30.65
2108.00    0.338    30.39
2109.00    0.340    30.12
2110.00    0.341    29.86
2111.00    0.343    29.60
2112.00    0.344    29.34
2113.00    0.345    29.09
2114.00    0.347    28.83
2115.00    0.348    28.58
2116.00    0.350    28.33
2117.00    0.351    28.08
2118.00    0.352    27.84
2119.00    0.353    27.59
2120.00    0.355    27.35
2121.00    0.356    27.11
2122.00    0.357    26.87
2123.00    0.358    26.63
2124.00    0.359    26.40
2125.00    0.360    26.16
2126.00    0.361    25.93
2127.00    0.362    25.70
2128.00    0.363    25.47
2129.00    0.364    25.24
2130.00    0.365    25.01
2131.00    0.366    24.78
2132.00    0.367    24.56
2133.00    0.368    24.33
2134.00    0.369    24.11
2135.00    0.369    23.89
2136.00    0.370    23.66
2137.00    0.371    23.44
2138.00    0.371    23.22
2139.00    0.372    23.00
2140.00    0.373    22.78
2141.00    0.373    22.56
2142.00    0.374    22.35
2143.00    0.374    22.13
2144.00    0.374    21.91
2145.00    0.375    21.70
2146.00    0.375    21.48
2147.00    0.375    21.26
2148.00    0.376    21.05
2149.00    0.376    20.83
2150.00    0.376    20.62
2151.00    0.376    20.40
2152.00    0.376    20.19
2153.00    0.376    19.98
2154.00    0.376    19.76
2155.00    0.376    19.55
2156.00    0.376    19.33
2157.00    0.376    19.12
2158.00    0.376    18.90
2159.00    0.376    18.69
2160.00    0.375    18.47
2161.00    0.375    18.26
2162.00    0.375    18.04
2163.00    0.374    17.82
2164.00    0.374    17.61
2165.00    0.373    17.39
2166.00    0.373    17.17
2167.00    0.372    16.95
2168.00    0.371    16.73
2169.00    0.371    16.51
2170.00    0.370    16.29
2171.00    0.369    16.07
2172.00    0.368    15.84
2173.00    0.367    15.62
2174.00    0.366    15.39
2175.00    0.365    15.17
2176.00    0.364    14.94
2177.00    0.363    14.71
2178.00    0.362    14.48
2179.00    0.361    14.24
2180.00    0.359    14.01
2181.00    0.358    13.77
2182.00    0.356    13.54
2183.00    0.355    13.30
2184.00    0.353    13.05
2185.00    0.352    12.81
2186.00    0.350    12.56
2187.00    0.348    12.31
2188.00    0.347    12.06
2189.00    0.345    11.81
2190.00    0.343    11.55
2191.00    0.341    11.29
2192.00    0.339    11.03
2193.00    0.337    10.76
2194.00    0.334    10.49
2195.00    0.332    10.22
2196.00    0.330     9.94
2197.00    0.327     9.66
2198.00    0.325     9.37
2199.00    0.322     9.08
2200.00    0.320     8.79
2201.00    0.317     8.49
2202.00    0.314     8.18
2203.00    0.311     7.87
2204.00    0.309     7.56
2205.00    0.306     7.24
2206.00    0.302     6.91
2207.00    0.299     6.57
2208.00    0.296     6.23
2209.00    0.293     5.88
2210.00    0.289     5.52
2211.00    0.286     5.15
2212.00    0.283     4.78
2213.00    0.279     4.39
2214.00    0.275     4.00
2215.00    0.272     3.59
2216.00    0.268     3.17
2217.00    0.264     2.74
2218.00    0.260     2.30
2219.00    0.256     1.84
2220.00    0.252     1.37
2221.00    0.247     0.88
2222.00    0.243     0.38
2223.00    0.239   359.85
2224.00    0.234   359.31






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 16:31:56



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