Double Star Calculator - Orbit

Orbital Elements for B1288AB
WDS: B1288AB WDS ID/Discoverer
P: 449.820 Orbital period (years)
a: 0.326 Semi-major axis (arcseconds)
i: 67.5 Inclination (degrees)
Ω: 143.4 Longitude of ascending node (degrees)
T: 2013.700 Epoch of periastron passage (year)
e: 0.742 Eccentricity
ω: 284.9 Longitude of periastron (degrees)
Start-Year: 1800.09 Year
End-Year: 2249.91 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for B1288AB
Position: 152435.95-483455.2 Epoch-2000 right ascension and declination
WDS-ID: 15246-4835 WDS designation
Discoverer Code: B1288AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 136807 HD catalog number
Hipparcos number: 75427 Hipparcos catalog number
V1: 8.25 Magnitude of the primary
V2: 8.39 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 B1288AB



WDS 6th Orbit including measures of B1288AB

-- 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 B1288AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.126   144.13
--------------------------
1800.09    0.265   271.85
1801.09    0.266   272.16
1802.09    0.267   272.47
1803.09    0.267   272.77
1804.09    0.268   273.08
1805.09    0.269   273.38
1806.09    0.270   273.68
1807.09    0.271   273.98
1808.09    0.271   274.27
1809.09    0.272   274.57
1810.09    0.273   274.86
1811.09    0.274   275.15
1812.09    0.275   275.44
1813.09    0.275   275.73
1814.09    0.276   276.02
1815.09    0.277   276.31
1816.09    0.278   276.59
1817.09    0.278   276.87
1818.09    0.279   277.15
1819.09    0.280   277.43
1820.09    0.281   277.71
1821.09    0.281   277.99
1822.09    0.282   278.26
1823.09    0.283   278.53
1824.09    0.284   278.81
1825.09    0.284   279.08
1826.09    0.285   279.35
1827.09    0.286   279.61
1828.09    0.286   279.88
1829.09    0.287   280.15
1830.09    0.288   280.41
1831.09    0.289   280.67
1832.09    0.289   280.93
1833.09    0.290   281.19
1834.09    0.291   281.45
1835.09    0.291   281.71
1836.09    0.292   281.97
1837.09    0.293   282.22
1838.09    0.293   282.48
1839.09    0.294   282.73
1840.09    0.295   282.98
1841.09    0.295   283.23
1842.09    0.296   283.48
1843.09    0.296   283.73
1844.09    0.297   283.98
1845.09    0.298   284.22
1846.09    0.298   284.47
1847.09    0.299   284.72
1848.09    0.300   284.96
1849.09    0.300   285.20
1850.09    0.301   285.44
1851.09    0.301   285.68
1852.09    0.302   285.92
1853.09    0.302   286.16
1854.09    0.303   286.40
1855.09    0.303   286.64
1856.09    0.304   286.88
1857.09    0.304   287.11
1858.09    0.305   287.35
1859.09    0.305   287.58
1860.09    0.306   287.81
1861.09    0.306   288.05
1862.09    0.307   288.28
1863.09    0.307   288.51
1864.09    0.308   288.74
1865.09    0.308   288.97
1866.09    0.309   289.20
1867.09    0.309   289.43
1868.09    0.310   289.66
1869.09    0.310   289.89
1870.09    0.310   290.11
1871.09    0.311   290.34
1872.09    0.311   290.56
1873.09    0.311   290.79
1874.09    0.312   291.01
1875.09    0.312   291.24
1876.09    0.312   291.46
1877.09    0.313   291.69
1878.09    0.313   291.91
1879.09    0.313   292.13
1880.09    0.314   292.35
1881.09    0.314   292.57
1882.09    0.314   292.80
1883.09    0.314   293.02
1884.09    0.315   293.24
1885.09    0.315   293.46
1886.09    0.315   293.68
1887.09    0.315   293.90
1888.09    0.315   294.12
1889.09    0.316   294.34
1890.09    0.316   294.55
1891.09    0.316   294.77
1892.09    0.316   294.99
1893.09    0.316   295.21
1894.09    0.316   295.43
1895.09    0.316   295.65
1896.09    0.316   295.86
1897.09    0.316   296.08
1898.09    0.316   296.30
1899.09    0.316   296.52
1900.09    0.316   296.74
1901.09    0.316   296.95
1902.09    0.316   297.17
1903.09    0.316   297.39
1904.09    0.316   297.61
1905.09    0.316   297.83
1906.09    0.316   298.05
1907.09    0.316   298.26
1908.09    0.316   298.48
1909.09    0.316   298.70
1910.09    0.315   298.92
1911.09    0.315   299.14
1912.09    0.315   299.36
1913.09    0.315   299.58
1914.09    0.315   299.80
1915.09    0.314   300.02
1916.09    0.314   300.24
1917.09    0.314   300.46
1918.09    0.313   300.68
1919.09    0.313   300.91
1920.09    0.313   301.13
1921.09    0.312   301.35
1922.09    0.312   301.58
1923.09    0.311   301.80
1924.09    0.311   302.03
1925.09    0.310   302.26
1926.09    0.310   302.48
1927.09    0.309   302.71
1928.09    0.309   302.94
1929.09    0.308   303.17
1930.09    0.307   303.40
1931.09    0.307   303.63
1932.09    0.306   303.86
1933.09    0.305   304.10
1934.09    0.305   304.33
1935.09    0.304   304.57
1936.09    0.303   304.80
1937.09    0.302   305.04
1938.09    0.301   305.28
1939.09    0.300   305.52
1940.09    0.299   305.77
1941.09    0.298   306.01
1942.09    0.297   306.26
1943.09    0.296   306.50
1944.09    0.295   306.75
1945.09    0.294   307.00
1946.09    0.293   307.26
1947.09    0.292   307.51
1948.09    0.290   307.77
1949.09    0.289   308.03
1950.09    0.288   308.29
1951.09    0.287   308.56
1952.09    0.285   308.82
1953.09    0.284   309.09
1954.09    0.282   309.37
1955.09    0.281   309.64
1956.09    0.279   309.92
1957.09    0.277   310.20
1958.09    0.276   310.49
1959.09    0.274   310.78
1960.09    0.272   311.07
1961.09    0.270   311.37
1962.09    0.268   311.67
1963.09    0.266   311.97
1964.09    0.264   312.28
1965.09    0.262   312.60
1966.09    0.260   312.92
1967.09    0.258   313.25
1968.09    0.255   313.58
1969.09    0.253   313.92
1970.09    0.250   314.26
1971.09    0.248   314.61
1972.09    0.245   314.97
1973.09    0.243   315.34
1974.09    0.240   315.71
1975.09    0.237   316.10
1976.09    0.234   316.49
1977.09    0.231   316.89
1978.09    0.228   317.31
1979.09    0.224   317.74
1980.09    0.221   318.18
1981.09    0.217   318.63
1982.09    0.214   319.10
1983.09    0.210   319.59
1984.09    0.206   320.09
1985.09    0.202   320.62
1986.09    0.198   321.16
1987.09    0.193   321.73
1988.09    0.189   322.33
1989.09    0.184   322.96
1990.09    0.179   323.61
1991.09    0.174   324.31
1992.09    0.169   325.05
1993.09    0.164   325.84
1994.09    0.158   326.68
1995.09    0.152   327.58
1996.09    0.146   328.56
1997.09    0.140   329.63
1998.09    0.133   330.80
1999.09    0.126   332.09
2000.09    0.119   333.54
2001.09    0.112   335.18
2002.09    0.104   337.05
2003.09    0.096   339.23
2004.09    0.088   341.82
2005.09    0.079   344.95
2006.09    0.071   348.85
2007.09    0.062   353.83
2008.09    0.053     0.42
2009.09    0.046     9.42
2010.09    0.039    21.89
2011.09    0.034    38.66
2012.09    0.033    58.66
2013.09    0.035    78.11
2014.09    0.040    93.80
2015.09    0.047   105.34
2016.09    0.055   113.71
2017.09    0.063   119.93
2018.09    0.072   124.73
2019.09    0.080   128.55
2020.09    0.087   131.69
2021.09    0.094   134.34
2022.09    0.101   136.63
2023.09    0.107   138.64
2024.09    0.113   140.44
2025.09    0.119   142.06
2026.09    0.124   143.55
2027.09    0.128   144.93
2028.09    0.133   146.21
2029.09    0.137   147.42
2030.09    0.140   148.56
2031.09    0.144   149.64
2032.09    0.147   150.68
2033.09    0.150   151.67
2034.09    0.153   152.62
2035.09    0.155   153.54
2036.09    0.158   154.44
2037.09    0.160   155.30
2038.09    0.162   156.15
2039.09    0.164   156.97
2040.09    0.165   157.78
2041.09    0.167   158.57
2042.09    0.169   159.34
2043.09    0.170   160.10
2044.09    0.171   160.85
2045.09    0.173   161.59
2046.09    0.174   162.31
2047.09    0.175   163.03
2048.09    0.176   163.74
2049.09    0.177   164.44
2050.09    0.178   165.14
2051.09    0.178   165.82
2052.09    0.179   166.51
2053.09    0.180   167.18
2054.09    0.180   167.86
2055.09    0.181   168.52
2056.09    0.182   169.19
2057.09    0.182   169.85
2058.09    0.183   170.50
2059.09    0.183   171.16
2060.09    0.183   171.81
2061.09    0.184   172.46
2062.09    0.184   173.10
2063.09    0.184   173.75
2064.09    0.184   174.39
2065.09    0.185   175.03
2066.09    0.185   175.67
2067.09    0.185   176.30
2068.09    0.185   176.94
2069.09    0.185   177.58
2070.09    0.186   178.21
2071.09    0.186   178.84
2072.09    0.186   179.48
2073.09    0.186   180.11
2074.09    0.186   180.74
2075.09    0.186   181.37
2076.09    0.186   182.00
2077.09    0.186   182.64
2078.09    0.186   183.27
2079.09    0.186   183.90
2080.09    0.186   184.53
2081.09    0.186   185.16
2082.09    0.186   185.79
2083.09    0.186   186.42
2084.09    0.186   187.05
2085.09    0.186   187.68
2086.09    0.186   188.32
2087.09    0.186   188.95
2088.09    0.186   189.58
2089.09    0.186   190.21
2090.09    0.186   190.85
2091.09    0.186   191.48
2092.09    0.186   192.11
2093.09    0.186   192.75
2094.09    0.186   193.38
2095.09    0.185   194.01
2096.09    0.185   194.65
2097.09    0.185   195.28
2098.09    0.185   195.92
2099.09    0.185   196.55
2100.09    0.185   197.19
2101.09    0.185   197.82
2102.09    0.185   198.46
2103.09    0.185   199.09
2104.09    0.185   199.73
2105.09    0.185   200.36
2106.09    0.185   201.00
2107.09    0.185   201.63
2108.09    0.185   202.27
2109.09    0.185   202.90
2110.09    0.185   203.54
2111.09    0.185   204.17
2112.09    0.185   204.81
2113.09    0.186   205.44
2114.09    0.186   206.08
2115.09    0.186   206.71
2116.09    0.186   207.34
2117.09    0.186   207.97
2118.09    0.186   208.61
2119.09    0.186   209.24
2120.09    0.186   209.87
2121.09    0.186   210.50
2122.09    0.186   211.13
2123.09    0.187   211.75
2124.09    0.187   212.38
2125.09    0.187   213.00
2126.09    0.187   213.63
2127.09    0.187   214.25
2128.09    0.187   214.87
2129.09    0.188   215.50
2130.09    0.188   216.12
2131.09    0.188   216.73
2132.09    0.188   217.35
2133.09    0.188   217.97
2134.09    0.189   218.58
2135.09    0.189   219.19
2136.09    0.189   219.80
2137.09    0.189   220.41
2138.09    0.190   221.02
2139.09    0.190   221.62
2140.09    0.190   222.23
2141.09    0.191   222.83
2142.09    0.191   223.43
2143.09    0.191   224.02
2144.09    0.192   224.62
2145.09    0.192   225.21
2146.09    0.192   225.80
2147.09    0.193   226.39
2148.09    0.193   226.98
2149.09    0.194   227.56
2150.09    0.194   228.14
2151.09    0.194   228.72
2152.09    0.195   229.30
2153.09    0.195   229.87
2154.09    0.196   230.44
2155.09    0.196   231.01
2156.09    0.197   231.57
2157.09    0.197   232.14
2158.09    0.198   232.70
2159.09    0.198   233.26
2160.09    0.199   233.81
2161.09    0.199   234.36
2162.09    0.200   234.91
2163.09    0.200   235.46
2164.09    0.201   236.00
2165.09    0.201   236.54
2166.09    0.202   237.08
2167.09    0.202   237.62
2168.09    0.203   238.15
2169.09    0.203   238.68
2170.09    0.204   239.20
2171.09    0.205   239.73
2172.09    0.205   240.25
2173.09    0.206   240.76
2174.09    0.206   241.28
2175.09    0.207   241.79
2176.09    0.208   242.30
2177.09    0.208   242.80
2178.09    0.209   243.30
2179.09    0.210   243.80
2180.09    0.210   244.29
2181.09    0.211   244.79
2182.09    0.212   245.28
2183.09    0.212   245.76
2184.09    0.213   246.24
2185.09    0.214   246.72
2186.09    0.214   247.20
2187.09    0.215   247.68
2188.09    0.216   248.15
2189.09    0.216   248.61
2190.09    0.217   249.08
2191.09    0.218   249.54
2192.09    0.219   250.00
2193.09    0.219   250.45
2194.09    0.220   250.90
2195.09    0.221   251.35
2196.09    0.222   251.80
2197.09    0.222   252.24
2198.09    0.223   252.68
2199.09    0.224   253.12
2200.09    0.225   253.55
2201.09    0.225   253.99
2202.09    0.226   254.41
2203.09    0.227   254.84
2204.09    0.228   255.26
2205.09    0.228   255.68
2206.09    0.229   256.10
2207.09    0.230   256.51
2208.09    0.231   256.92
2209.09    0.232   257.33
2210.09    0.232   257.74
2211.09    0.233   258.14
2212.09    0.234   258.54
2213.09    0.235   258.94
2214.09    0.236   259.33
2215.09    0.236   259.72
2216.09    0.237   260.11
2217.09    0.238   260.50
2218.09    0.239   260.88
2219.09    0.240   261.26
2220.09    0.240   261.64
2221.09    0.241   262.02
2222.09    0.242   262.39
2223.09    0.243   262.76
2224.09    0.244   263.13
2225.09    0.245   263.50
2226.09    0.245   263.86
2227.09    0.246   264.22
2228.09    0.247   264.58
2229.09    0.248   264.94
2230.09    0.249   265.29
2231.09    0.250   265.64
2232.09    0.250   265.99
2233.09    0.251   266.34
2234.09    0.252   266.68
2235.09    0.253   267.02
2236.09    0.254   267.36
2237.09    0.255   267.70
2238.09    0.255   268.04
2239.09    0.256   268.37
2240.09    0.257   268.70
2241.09    0.258   269.03
2242.09    0.259   269.36
2243.09    0.259   269.68
2244.09    0.260   270.01
2245.09    0.261   270.33
2246.09    0.262   270.65
2247.09    0.263   270.96
2248.09    0.264   271.28
2249.09    0.264   271.59






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 17:15:01



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