Double Star Calculator - Orbit

Orbital Elements for A948AB
WDS: A948AB WDS ID/Discoverer
P: 480.000 Orbital period (years)
a: 0.54 Semi-major axis (arcseconds)
i: 67.4 Inclination (degrees)
Ω: 17.2 Longitude of ascending node (degrees)
T: 1883.000 Epoch of periastron passage (year)
e: 0.629 Eccentricity
ω: 309.8 Longitude of periastron (degrees)
Start-Year: 1785.0 Year
End-Year: 2265.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A948AB
Position: 014620.17+443848.6 Epoch-2000 right ascension and declination
WDS-ID: 01463+4439 WDS designation
Discoverer Code: A948AB Discover designation and components
ADS number: 1392 Aitken Double Star catalog
HD number: 10765 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.8 Magnitude of the primary
V2: 10.3 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1996 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: USN2002 Reference

Double Star Orbit for A948AB



WDS 6th Orbit including measures of A948AB

-- 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 A948AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.362   145.23
--------------------------
1785.00    0.632   192.60
1786.00    0.630   192.76
1787.00    0.627   192.93
1788.00    0.624   193.09
1789.00    0.621   193.26
1790.00    0.618   193.43
1791.00    0.615   193.60
1792.00    0.612   193.78
1793.00    0.609   193.95
1794.00    0.606   194.13
1795.00    0.602   194.31
1796.00    0.599   194.49
1797.00    0.596   194.67
1798.00    0.592   194.86
1799.00    0.589   195.05
1800.00    0.585   195.24
1801.00    0.581   195.43
1802.00    0.578   195.62
1803.00    0.574   195.82
1804.00    0.570   196.02
1805.00    0.566   196.22
1806.00    0.562   196.43
1807.00    0.558   196.64
1808.00    0.553   196.85
1809.00    0.549   197.06
1810.00    0.545   197.28
1811.00    0.540   197.50
1812.00    0.536   197.73
1813.00    0.531   197.96
1814.00    0.526   198.19
1815.00    0.521   198.43
1816.00    0.517   198.67
1817.00    0.512   198.92
1818.00    0.506   199.17
1819.00    0.501   199.43
1820.00    0.496   199.69
1821.00    0.491   199.96
1822.00    0.485   200.24
1823.00    0.480   200.52
1824.00    0.474   200.81
1825.00    0.468   201.10
1826.00    0.462   201.40
1827.00    0.456   201.71
1828.00    0.450   202.03
1829.00    0.444   202.36
1830.00    0.438   202.69
1831.00    0.431   203.04
1832.00    0.425   203.40
1833.00    0.418   203.76
1834.00    0.411   204.14
1835.00    0.404   204.54
1836.00    0.397   204.94
1837.00    0.390   205.37
1838.00    0.383   205.80
1839.00    0.375   206.26
1840.00    0.368   206.73
1841.00    0.360   207.22
1842.00    0.352   207.74
1843.00    0.344   208.28
1844.00    0.336   208.84
1845.00    0.328   209.43
1846.00    0.320   210.06
1847.00    0.311   210.72
1848.00    0.302   211.41
1849.00    0.294   212.15
1850.00    0.285   212.93
1851.00    0.276   213.76
1852.00    0.266   214.65
1853.00    0.257   215.61
1854.00    0.247   216.63
1855.00    0.238   217.74
1856.00    0.228   218.95
1857.00    0.218   220.26
1858.00    0.208   221.70
1859.00    0.198   223.28
1860.00    0.188   225.03
1861.00    0.178   226.98
1862.00    0.168   229.16
1863.00    0.158   231.62
1864.00    0.148   234.41
1865.00    0.138   237.60
1866.00    0.129   241.27
1867.00    0.120   245.50
1868.00    0.111   250.41
1869.00    0.103   256.10
1870.00    0.097   262.66
1871.00    0.091   270.12
1872.00    0.087   278.41
1873.00    0.085   287.34
1874.00    0.084   296.57
1875.00    0.086   305.66
1876.00    0.089   314.25
1877.00    0.094   322.08
1878.00    0.100   329.03
1879.00    0.107   335.10
1880.00    0.115   340.38
1881.00    0.124   344.96
1882.00    0.132   348.94
1883.00    0.141   352.44
1884.00    0.150   355.52
1885.00    0.159   358.27
1886.00    0.167     0.73
1887.00    0.175     2.96
1888.00    0.183     4.99
1889.00    0.191     6.86
1890.00    0.198     8.59
1891.00    0.205    10.20
1892.00    0.211    11.72
1893.00    0.217    13.14
1894.00    0.222    14.50
1895.00    0.227    15.79
1896.00    0.232    17.03
1897.00    0.236    18.22
1898.00    0.240    19.37
1899.00    0.244    20.49
1900.00    0.247    21.57
1901.00    0.250    22.63
1902.00    0.252    23.67
1903.00    0.254    24.69
1904.00    0.256    25.69
1905.00    0.258    26.68
1906.00    0.259    27.66
1907.00    0.260    28.62
1908.00    0.261    29.58
1909.00    0.262    30.54
1910.00    0.263    31.49
1911.00    0.263    32.43
1912.00    0.263    33.38
1913.00    0.263    34.32
1914.00    0.263    35.26
1915.00    0.263    36.20
1916.00    0.263    37.15
1917.00    0.262    38.10
1918.00    0.262    39.05
1919.00    0.261    40.01
1920.00    0.260    40.97
1921.00    0.260    41.93
1922.00    0.259    42.91
1923.00    0.258    43.89
1924.00    0.257    44.87
1925.00    0.256    45.87
1926.00    0.255    46.87
1927.00    0.254    47.88
1928.00    0.253    48.90
1929.00    0.251    49.93
1930.00    0.250    50.97
1931.00    0.249    52.02
1932.00    0.248    53.08
1933.00    0.247    54.14
1934.00    0.246    55.22
1935.00    0.244    56.31
1936.00    0.243    57.41
1937.00    0.242    58.52
1938.00    0.241    59.63
1939.00    0.240    60.76
1940.00    0.239    61.90
1941.00    0.238    63.05
1942.00    0.237    64.21
1943.00    0.236    65.37
1944.00    0.235    66.55
1945.00    0.234    67.73
1946.00    0.234    68.93
1947.00    0.233    70.13
1948.00    0.232    71.34
1949.00    0.232    72.55
1950.00    0.231    73.77
1951.00    0.230    75.00
1952.00    0.230    76.23
1953.00    0.230    77.47
1954.00    0.229    78.71
1955.00    0.229    79.95
1956.00    0.229    81.20
1957.00    0.229    82.45
1958.00    0.229    83.70
1959.00    0.229    84.95
1960.00    0.229    86.19
1961.00    0.229    87.44
1962.00    0.229    88.68
1963.00    0.230    89.93
1964.00    0.230    91.16
1965.00    0.230    92.40
1966.00    0.231    93.62
1967.00    0.232    94.84
1968.00    0.232    96.06
1969.00    0.233    97.26
1970.00    0.234    98.46
1971.00    0.235    99.65
1972.00    0.236   100.83
1973.00    0.237   102.00
1974.00    0.238   103.16
1975.00    0.239   104.30
1976.00    0.241   105.44
1977.00    0.242   106.56
1978.00    0.243   107.67
1979.00    0.245   108.77
1980.00    0.246   109.85
1981.00    0.248   110.92
1982.00    0.250   111.98
1983.00    0.251   113.02
1984.00    0.253   114.05
1985.00    0.255   115.06
1986.00    0.257   116.06
1987.00    0.259   117.04
1988.00    0.261   118.01
1989.00    0.263   118.97
1990.00    0.265   119.91
1991.00    0.267   120.83
1992.00    0.269   121.74
1993.00    0.271   122.64
1994.00    0.274   123.52
1995.00    0.276   124.38
1996.00    0.278   125.23
1997.00    0.281   126.07
1998.00    0.283   126.89
1999.00    0.285   127.70
2000.00    0.288   128.50
2001.00    0.290   129.28
2002.00    0.293   130.05
2003.00    0.296   130.80
2004.00    0.298   131.55
2005.00    0.301   132.27
2006.00    0.303   132.99
2007.00    0.306   133.69
2008.00    0.309   134.38
2009.00    0.312   135.06
2010.00    0.314   135.73
2011.00    0.317   136.39
2012.00    0.320   137.03
2013.00    0.323   137.66
2014.00    0.325   138.29
2015.00    0.328   138.90
2016.00    0.331   139.50
2017.00    0.334   140.09
2018.00    0.337   140.67
2019.00    0.340   141.24
2020.00    0.343   141.80
2021.00    0.346   142.35
2022.00    0.349   142.90
2023.00    0.352   143.43
2024.00    0.354   143.95
2025.00    0.357   144.47
2026.00    0.360   144.98
2027.00    0.363   145.47
2028.00    0.366   145.97
2029.00    0.369   146.45
2030.00    0.372   146.92
2031.00    0.375   147.39
2032.00    0.378   147.85
2033.00    0.381   148.30
2034.00    0.384   148.75
2035.00    0.387   149.19
2036.00    0.390   149.62
2037.00    0.393   150.05
2038.00    0.396   150.47
2039.00    0.399   150.88
2040.00    0.402   151.28
2041.00    0.405   151.69
2042.00    0.408   152.08
2043.00    0.411   152.47
2044.00    0.414   152.85
2045.00    0.417   153.23
2046.00    0.420   153.60
2047.00    0.423   153.97
2048.00    0.426   154.33
2049.00    0.429   154.69
2050.00    0.432   155.04
2051.00    0.435   155.39
2052.00    0.438   155.73
2053.00    0.441   156.07
2054.00    0.444   156.40
2055.00    0.447   156.73
2056.00    0.450   157.05
2057.00    0.453   157.37
2058.00    0.456   157.69
2059.00    0.459   158.00
2060.00    0.462   158.31
2061.00    0.465   158.62
2062.00    0.468   158.92
2063.00    0.470   159.21
2064.00    0.473   159.51
2065.00    0.476   159.80
2066.00    0.479   160.08
2067.00    0.482   160.37
2068.00    0.485   160.65
2069.00    0.488   160.92
2070.00    0.490   161.20
2071.00    0.493   161.47
2072.00    0.496   161.73
2073.00    0.499   162.00
2074.00    0.502   162.26
2075.00    0.504   162.52
2076.00    0.507   162.77
2077.00    0.510   163.03
2078.00    0.513   163.28
2079.00    0.515   163.52
2080.00    0.518   163.77
2081.00    0.521   164.01
2082.00    0.523   164.25
2083.00    0.526   164.49
2084.00    0.529   164.72
2085.00    0.531   164.95
2086.00    0.534   165.18
2087.00    0.537   165.41
2088.00    0.539   165.64
2089.00    0.542   165.86
2090.00    0.544   166.08
2091.00    0.547   166.30
2092.00    0.549   166.52
2093.00    0.552   166.74
2094.00    0.554   166.95
2095.00    0.557   167.16
2096.00    0.559   167.37
2097.00    0.562   167.58
2098.00    0.564   167.79
2099.00    0.567   167.99
2100.00    0.569   168.19
2101.00    0.572   168.39
2102.00    0.574   168.59
2103.00    0.576   168.79
2104.00    0.579   168.99
2105.00    0.581   169.18
2106.00    0.583   169.37
2107.00    0.586   169.56
2108.00    0.588   169.75
2109.00    0.590   169.94
2110.00    0.592   170.13
2111.00    0.595   170.31
2112.00    0.597   170.50
2113.00    0.599   170.68
2114.00    0.601   170.86
2115.00    0.603   171.04
2116.00    0.606   171.22
2117.00    0.608   171.40
2118.00    0.610   171.57
2119.00    0.612   171.75
2120.00    0.614   171.92
2121.00    0.616   172.10
2122.00    0.618   172.27
2123.00    0.620   172.44
2124.00    0.622   172.61
2125.00    0.624   172.78
2126.00    0.626   172.94
2127.00    0.628   173.11
2128.00    0.630   173.28
2129.00    0.632   173.44
2130.00    0.634   173.60
2131.00    0.636   173.76
2132.00    0.637   173.93
2133.00    0.639   174.09
2134.00    0.641   174.25
2135.00    0.643   174.40
2136.00    0.645   174.56
2137.00    0.646   174.72
2138.00    0.648   174.88
2139.00    0.650   175.03
2140.00    0.651   175.18
2141.00    0.653   175.34
2142.00    0.655   175.49
2143.00    0.656   175.64
2144.00    0.658   175.79
2145.00    0.659   175.95
2146.00    0.661   176.10
2147.00    0.662   176.24
2148.00    0.664   176.39
2149.00    0.665   176.54
2150.00    0.667   176.69
2151.00    0.668   176.83
2152.00    0.670   176.98
2153.00    0.671   177.13
2154.00    0.672   177.27
2155.00    0.674   177.42
2156.00    0.675   177.56
2157.00    0.676   177.70
2158.00    0.678   177.84
2159.00    0.679   177.99
2160.00    0.680   178.13
2161.00    0.681   178.27
2162.00    0.682   178.41
2163.00    0.684   178.55
2164.00    0.685   178.69
2165.00    0.686   178.83
2166.00    0.687   178.97
2167.00    0.688   179.11
2168.00    0.689   179.24
2169.00    0.690   179.38
2170.00    0.691   179.52
2171.00    0.692   179.65
2172.00    0.693   179.79
2173.00    0.694   179.93
2174.00    0.695   180.06
2175.00    0.695   180.20
2176.00    0.696   180.33
2177.00    0.697   180.47
2178.00    0.698   180.60
2179.00    0.698   180.74
2180.00    0.699   180.87
2181.00    0.700   181.00
2182.00    0.700   181.14
2183.00    0.701   181.27
2184.00    0.702   181.40
2185.00    0.702   181.53
2186.00    0.703   181.67
2187.00    0.703   181.80
2188.00    0.704   181.93
2189.00    0.704   182.06
2190.00    0.705   182.20
2191.00    0.705   182.33
2192.00    0.705   182.46
2193.00    0.706   182.59
2194.00    0.706   182.72
2195.00    0.706   182.85
2196.00    0.706   182.98
2197.00    0.707   183.11
2198.00    0.707   183.24
2199.00    0.707   183.37
2200.00    0.707   183.51
2201.00    0.707   183.64
2202.00    0.707   183.77
2203.00    0.707   183.90
2204.00    0.707   184.03
2205.00    0.707   184.16
2206.00    0.707   184.29
2207.00    0.707   184.42
2208.00    0.707   184.55
2209.00    0.707   184.68
2210.00    0.706   184.81
2211.00    0.706   184.94
2212.00    0.706   185.07
2213.00    0.706   185.21
2214.00    0.705   185.34
2215.00    0.705   185.47
2216.00    0.704   185.60
2217.00    0.704   185.73
2218.00    0.703   185.86
2219.00    0.703   186.00
2220.00    0.702   186.13
2221.00    0.702   186.26
2222.00    0.701   186.39
2223.00    0.700   186.53
2224.00    0.700   186.66
2225.00    0.699   186.79
2226.00    0.698   186.93
2227.00    0.697   187.06
2228.00    0.696   187.20
2229.00    0.695   187.33
2230.00    0.695   187.47
2231.00    0.694   187.60
2232.00    0.692   187.74
2233.00    0.691   187.87
2234.00    0.690   188.01
2235.00    0.689   188.15
2236.00    0.688   188.29
2237.00    0.687   188.42
2238.00    0.685   188.56
2239.00    0.684   188.70
2240.00    0.683   188.84
2241.00    0.681   188.98
2242.00    0.680   189.12
2243.00    0.678   189.27
2244.00    0.677   189.41
2245.00    0.675   189.55
2246.00    0.673   189.70
2247.00    0.672   189.84
2248.00    0.670   189.99
2249.00    0.668   190.13
2250.00    0.666   190.28
2251.00    0.664   190.43
2252.00    0.662   190.57
2253.00    0.660   190.72
2254.00    0.658   190.87
2255.00    0.656   191.02
2256.00    0.654   191.18
2257.00    0.652   191.33
2258.00    0.650   191.48
2259.00    0.647   191.64
2260.00    0.645   191.80
2261.00    0.643   191.95
2262.00    0.640   192.11
2263.00    0.638   192.27
2264.00    0.635   192.43






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 14:53:40



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