Double Star Calculator - Orbit

Orbital Elements for BU1195
WDS: BU1195 WDS ID/Discoverer
P: 500.000 Orbital period (years)
a: 0.319 Semi-major axis (arcseconds)
i: 65.6 Inclination (degrees)
Ω: 74.4 Longitude of ascending node (degrees)
T: 2012.390 Epoch of periastron passage (year)
e: 0.97 Eccentricity
ω: 196.9 Longitude of periastron (degrees)
Start-Year: 1775.0 Year
End-Year: 2275.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1195
Position: 075120.48-092416.9 Epoch-2000 right ascension and declination
WDS-ID: 07513-0924 WDS designation
Discoverer Code: BU1195 Discover designation and components
ADS number: 6412 Aitken Double Star catalog
HD number: 63976 HD catalog number
Hipparcos number: 38356 Hipparcos catalog number
V1: 7.51 Magnitude of the primary
V2: 7.73 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 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: Tok2023a Reference

Double Star Orbit for BU1195



WDS 6th Orbit including measures of BU1195

-- 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 BU1195
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.147    70.67
--------------------------
1775.00    0.604    81.81
1776.00    0.603    81.83
1777.00    0.603    81.85
1778.00    0.603    81.87
1779.00    0.602    81.89
1780.00    0.602    81.91
1781.00    0.602    81.93
1782.00    0.601    81.95
1783.00    0.601    81.97
1784.00    0.601    81.99
1785.00    0.600    82.01
1786.00    0.600    82.03
1787.00    0.599    82.05
1788.00    0.599    82.07
1789.00    0.598    82.09
1790.00    0.598    82.11
1791.00    0.598    82.13
1792.00    0.597    82.15
1793.00    0.597    82.17
1794.00    0.596    82.20
1795.00    0.596    82.22
1796.00    0.595    82.24
1797.00    0.594    82.26
1798.00    0.594    82.28
1799.00    0.593    82.30
1800.00    0.593    82.32
1801.00    0.592    82.34
1802.00    0.592    82.36
1803.00    0.591    82.38
1804.00    0.590    82.40
1805.00    0.590    82.43
1806.00    0.589    82.45
1807.00    0.588    82.47
1808.00    0.588    82.49
1809.00    0.587    82.51
1810.00    0.586    82.53
1811.00    0.585    82.55
1812.00    0.585    82.58
1813.00    0.584    82.60
1814.00    0.583    82.62
1815.00    0.582    82.64
1816.00    0.582    82.66
1817.00    0.581    82.68
1818.00    0.580    82.71
1819.00    0.579    82.73
1820.00    0.578    82.75
1821.00    0.578    82.77
1822.00    0.577    82.79
1823.00    0.576    82.82
1824.00    0.575    82.84
1825.00    0.574    82.86
1826.00    0.573    82.88
1827.00    0.572    82.90
1828.00    0.571    82.93
1829.00    0.570    82.95
1830.00    0.569    82.97
1831.00    0.568    83.00
1832.00    0.567    83.02
1833.00    0.566    83.04
1834.00    0.565    83.06
1835.00    0.564    83.09
1836.00    0.563    83.11
1837.00    0.562    83.13
1838.00    0.561    83.16
1839.00    0.560    83.18
1840.00    0.559    83.20
1841.00    0.558    83.23
1842.00    0.557    83.25
1843.00    0.555    83.27
1844.00    0.554    83.30
1845.00    0.553    83.32
1846.00    0.552    83.35
1847.00    0.551    83.37
1848.00    0.549    83.40
1849.00    0.548    83.42
1850.00    0.547    83.44
1851.00    0.546    83.47
1852.00    0.544    83.49
1853.00    0.543    83.52
1854.00    0.542    83.54
1855.00    0.540    83.57
1856.00    0.539    83.59
1857.00    0.538    83.62
1858.00    0.536    83.65
1859.00    0.535    83.67
1860.00    0.534    83.70
1861.00    0.532    83.72
1862.00    0.531    83.75
1863.00    0.529    83.77
1864.00    0.528    83.80
1865.00    0.526    83.83
1866.00    0.525    83.85
1867.00    0.523    83.88
1868.00    0.522    83.91
1869.00    0.520    83.93
1870.00    0.519    83.96
1871.00    0.517    83.99
1872.00    0.516    84.02
1873.00    0.514    84.04
1874.00    0.512    84.07
1875.00    0.511    84.10
1876.00    0.509    84.13
1877.00    0.508    84.16
1878.00    0.506    84.19
1879.00    0.504    84.22
1880.00    0.502    84.24
1881.00    0.501    84.27
1882.00    0.499    84.30
1883.00    0.497    84.33
1884.00    0.495    84.36
1885.00    0.494    84.39
1886.00    0.492    84.42
1887.00    0.490    84.45
1888.00    0.488    84.48
1889.00    0.486    84.52
1890.00    0.484    84.55
1891.00    0.483    84.58
1892.00    0.481    84.61
1893.00    0.479    84.64
1894.00    0.477    84.67
1895.00    0.475    84.71
1896.00    0.473    84.74
1897.00    0.471    84.77
1898.00    0.469    84.81
1899.00    0.467    84.84
1900.00    0.465    84.87
1901.00    0.463    84.91
1902.00    0.460    84.94
1903.00    0.458    84.98
1904.00    0.456    85.01
1905.00    0.454    85.05
1906.00    0.452    85.08
1907.00    0.450    85.12
1908.00    0.447    85.16
1909.00    0.445    85.19
1910.00    0.443    85.23
1911.00    0.441    85.27
1912.00    0.438    85.31
1913.00    0.436    85.34
1914.00    0.434    85.38
1915.00    0.431    85.42
1916.00    0.429    85.46
1917.00    0.427    85.50
1918.00    0.424    85.54
1919.00    0.422    85.58
1920.00    0.419    85.63
1921.00    0.417    85.67
1922.00    0.414    85.71
1923.00    0.412    85.75
1924.00    0.409    85.80
1925.00    0.407    85.84
1926.00    0.404    85.89
1927.00    0.401    85.93
1928.00    0.399    85.98
1929.00    0.396    86.02
1930.00    0.393    86.07
1931.00    0.391    86.12
1932.00    0.388    86.17
1933.00    0.385    86.22
1934.00    0.382    86.27
1935.00    0.379    86.32
1936.00    0.377    86.37
1937.00    0.374    86.42
1938.00    0.371    86.48
1939.00    0.368    86.53
1940.00    0.365    86.58
1941.00    0.362    86.64
1942.00    0.359    86.70
1943.00    0.356    86.75
1944.00    0.353    86.81
1945.00    0.350    86.87
1946.00    0.346    86.93
1947.00    0.343    87.00
1948.00    0.340    87.06
1949.00    0.337    87.12
1950.00    0.334    87.19
1951.00    0.330    87.25
1952.00    0.327    87.32
1953.00    0.324    87.39
1954.00    0.320    87.46
1955.00    0.317    87.54
1956.00    0.313    87.61
1957.00    0.310    87.69
1958.00    0.306    87.76
1959.00    0.303    87.84
1960.00    0.299    87.92
1961.00    0.295    88.01
1962.00    0.292    88.09
1963.00    0.288    88.18
1964.00    0.284    88.27
1965.00    0.280    88.36
1966.00    0.276    88.46
1967.00    0.272    88.56
1968.00    0.268    88.66
1969.00    0.264    88.76
1970.00    0.260    88.87
1971.00    0.256    88.98
1972.00    0.252    89.09
1973.00    0.248    89.21
1974.00    0.244    89.33
1975.00    0.239    89.46
1976.00    0.235    89.59
1977.00    0.230    89.72
1978.00    0.226    89.87
1979.00    0.221    90.01
1980.00    0.217    90.17
1981.00    0.212    90.33
1982.00    0.207    90.49
1983.00    0.202    90.67
1984.00    0.197    90.85
1985.00    0.192    91.05
1986.00    0.187    91.25
1987.00    0.182    91.47
1988.00    0.177    91.70
1989.00    0.172    91.94
1990.00    0.166    92.20
1991.00    0.161    92.47
1992.00    0.155    92.77
1993.00    0.149    93.09
1994.00    0.143    93.43
1995.00    0.137    93.80
1996.00    0.131    94.21
1997.00    0.125    94.66
1998.00    0.118    95.16
1999.00    0.112    95.72
2000.00    0.105    96.34
2001.00    0.098    97.06
2002.00    0.091    97.89
2003.00    0.083    98.86
2004.00    0.075   100.04
2005.00    0.067   101.48
2006.00    0.059   103.33
2007.00    0.050   105.80
2008.00    0.041   109.37
2009.00    0.031   115.08
2010.00    0.021   126.13
2011.00    0.012   156.19
2012.00    0.010   232.26
2013.00    0.007     1.42
2014.00    0.023    49.42
2015.00    0.038    57.63
2016.00    0.051    61.36
2017.00    0.063    63.61
2018.00    0.074    65.17
2019.00    0.084    66.35
2020.00    0.094    67.27
2021.00    0.103    68.03
2022.00    0.112    68.67
2023.00    0.120    69.22
2024.00    0.128    69.69
2025.00    0.136    70.12
2026.00    0.143    70.50
2027.00    0.150    70.84
2028.00    0.157    71.15
2029.00    0.164    71.43
2030.00    0.171    71.70
2031.00    0.177    71.94
2032.00    0.183    72.17
2033.00    0.189    72.38
2034.00    0.195    72.58
2035.00    0.201    72.77
2036.00    0.207    72.94
2037.00    0.212    73.11
2038.00    0.218    73.27
2039.00    0.223    73.42
2040.00    0.229    73.56
2041.00    0.234    73.70
2042.00    0.239    73.83
2043.00    0.244    73.96
2044.00    0.249    74.08
2045.00    0.254    74.20
2046.00    0.258    74.31
2047.00    0.263    74.42
2048.00    0.268    74.52
2049.00    0.272    74.62
2050.00    0.277    74.72
2051.00    0.281    74.82
2052.00    0.285    74.91
2053.00    0.290    75.00
2054.00    0.294    75.08
2055.00    0.298    75.17
2056.00    0.302    75.25
2057.00    0.306    75.33
2058.00    0.310    75.41
2059.00    0.314    75.48
2060.00    0.318    75.56
2061.00    0.322    75.63
2062.00    0.326    75.70
2063.00    0.329    75.77
2064.00    0.333    75.83
2065.00    0.337    75.90
2066.00    0.340    75.96
2067.00    0.344    76.03
2068.00    0.347    76.09
2069.00    0.351    76.15
2070.00    0.354    76.21
2071.00    0.358    76.27
2072.00    0.361    76.32
2073.00    0.364    76.38
2074.00    0.367    76.43
2075.00    0.371    76.49
2076.00    0.374    76.54
2077.00    0.377    76.59
2078.00    0.380    76.64
2079.00    0.383    76.69
2080.00    0.386    76.74
2081.00    0.389    76.79
2082.00    0.392    76.84
2083.00    0.395    76.89
2084.00    0.398    76.94
2085.00    0.401    76.98
2086.00    0.404    77.03
2087.00    0.407    77.07
2088.00    0.410    77.12
2089.00    0.412    77.16
2090.00    0.415    77.20
2091.00    0.418    77.25
2092.00    0.421    77.29
2093.00    0.423    77.33
2094.00    0.426    77.37
2095.00    0.428    77.41
2096.00    0.431    77.45
2097.00    0.434    77.49
2098.00    0.436    77.53
2099.00    0.439    77.57
2100.00    0.441    77.60
2101.00    0.443    77.64
2102.00    0.446    77.68
2103.00    0.448    77.72
2104.00    0.451    77.75
2105.00    0.453    77.79
2106.00    0.455    77.82
2107.00    0.458    77.86
2108.00    0.460    77.89
2109.00    0.462    77.93
2110.00    0.464    77.96
2111.00    0.467    78.00
2112.00    0.469    78.03
2113.00    0.471    78.06
2114.00    0.473    78.10
2115.00    0.475    78.13
2116.00    0.477    78.16
2117.00    0.479    78.19
2118.00    0.481    78.23
2119.00    0.483    78.26
2120.00    0.485    78.29
2121.00    0.487    78.32
2122.00    0.489    78.35
2123.00    0.491    78.38
2124.00    0.493    78.41
2125.00    0.495    78.44
2126.00    0.497    78.47
2127.00    0.499    78.50
2128.00    0.501    78.53
2129.00    0.502    78.56
2130.00    0.504    78.59
2131.00    0.506    78.62
2132.00    0.508    78.65
2133.00    0.510    78.68
2134.00    0.511    78.70
2135.00    0.513    78.73
2136.00    0.515    78.76
2137.00    0.516    78.79
2138.00    0.518    78.82
2139.00    0.520    78.84
2140.00    0.521    78.87
2141.00    0.523    78.90
2142.00    0.524    78.92
2143.00    0.526    78.95
2144.00    0.528    78.98
2145.00    0.529    79.00
2146.00    0.531    79.03
2147.00    0.532    79.06
2148.00    0.534    79.08
2149.00    0.535    79.11
2150.00    0.536    79.13
2151.00    0.538    79.16
2152.00    0.539    79.18
2153.00    0.541    79.21
2154.00    0.542    79.23
2155.00    0.543    79.26
2156.00    0.545    79.28
2157.00    0.546    79.31
2158.00    0.547    79.33
2159.00    0.549    79.36
2160.00    0.550    79.38
2161.00    0.551    79.41
2162.00    0.552    79.43
2163.00    0.554    79.45
2164.00    0.555    79.48
2165.00    0.556    79.50
2166.00    0.557    79.53
2167.00    0.558    79.55
2168.00    0.560    79.57
2169.00    0.561    79.60
2170.00    0.562    79.62
2171.00    0.563    79.64
2172.00    0.564    79.67
2173.00    0.565    79.69
2174.00    0.566    79.71
2175.00    0.567    79.74
2176.00    0.568    79.76
2177.00    0.569    79.78
2178.00    0.570    79.80
2179.00    0.571    79.83
2180.00    0.572    79.85
2181.00    0.573    79.87
2182.00    0.574    79.89
2183.00    0.575    79.92
2184.00    0.576    79.94
2185.00    0.577    79.96
2186.00    0.578    79.98
2187.00    0.579    80.00
2188.00    0.580    80.03
2189.00    0.580    80.05
2190.00    0.581    80.07
2191.00    0.582    80.09
2192.00    0.583    80.11
2193.00    0.584    80.13
2194.00    0.584    80.16
2195.00    0.585    80.18
2196.00    0.586    80.20
2197.00    0.587    80.22
2198.00    0.587    80.24
2199.00    0.588    80.26
2200.00    0.589    80.28
2201.00    0.589    80.31
2202.00    0.590    80.33
2203.00    0.591    80.35
2204.00    0.591    80.37
2205.00    0.592    80.39
2206.00    0.593    80.41
2207.00    0.593    80.43
2208.00    0.594    80.45
2209.00    0.594    80.47
2210.00    0.595    80.49
2211.00    0.595    80.52
2212.00    0.596    80.54
2213.00    0.597    80.56
2214.00    0.597    80.58
2215.00    0.597    80.60
2216.00    0.598    80.62
2217.00    0.598    80.64
2218.00    0.599    80.66
2219.00    0.599    80.68
2220.00    0.600    80.70
2221.00    0.600    80.72
2222.00    0.601    80.74
2223.00    0.601    80.76
2224.00    0.601    80.78
2225.00    0.602    80.80
2226.00    0.602    80.82
2227.00    0.602    80.84
2228.00    0.603    80.86
2229.00    0.603    80.88
2230.00    0.603    80.90
2231.00    0.604    80.92
2232.00    0.604    80.94
2233.00    0.604    80.96
2234.00    0.604    80.99
2235.00    0.605    81.01
2236.00    0.605    81.03
2237.00    0.605    81.05
2238.00    0.605    81.07
2239.00    0.605    81.09
2240.00    0.606    81.11
2241.00    0.606    81.13
2242.00    0.606    81.15
2243.00    0.606    81.17
2244.00    0.606    81.19
2245.00    0.606    81.21
2246.00    0.606    81.23
2247.00    0.606    81.25
2248.00    0.606    81.27
2249.00    0.606    81.29
2250.00    0.607    81.31
2251.00    0.607    81.33
2252.00    0.607    81.35
2253.00    0.607    81.37
2254.00    0.607    81.39
2255.00    0.607    81.41
2256.00    0.607    81.43
2257.00    0.606    81.45
2258.00    0.606    81.47
2259.00    0.606    81.49
2260.00    0.606    81.51
2261.00    0.606    81.53
2262.00    0.606    81.55
2263.00    0.606    81.57
2264.00    0.606    81.59
2265.00    0.606    81.61
2266.00    0.605    81.63
2267.00    0.605    81.65
2268.00    0.605    81.67
2269.00    0.605    81.69
2270.00    0.605    81.71
2271.00    0.605    81.73
2272.00    0.604    81.75
2273.00    0.604    81.77
2274.00    0.604    81.79






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 16:02:17



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